The invention provides methods and compositions for improving the production of alumina hydrate. The invention involves adding one or more polysaccharides to liquor or slurry in the fluid circuit of the production process. The one or more polysaccharides can be a cross linked polysaccharide (such as cross linked dex...

The invention provides a method of controlling silica in the liquor circuit of the Bayer process. The method involves addition of a promoter material to enhance the precipitation of DSP and includes adding one or more silica dispersion materials or dry silica forms to those parts of the circuit where precipitation o...

The present disclosure is directed to compositions and methods that may be used for enhanced oil recovery, for modifying the permeability of subterranean formations and for increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations. The compositions may include, for example, exp...

A method of conditioning a membrane biological reactor mixed liquor containing one or more nonionic polysaccharides and/or one or more organic molecules is disclosed. The method comprises: a) selecting one or more anionic polymers, b) adding a composition containing one or more water soluble anionic polymers selecte...

This invention is directed to a composition comprising expandable polymeric microparticles comprising an interpenetrating polymer network (IPN). The IPN constrains the microparticle to an unexpanded volume average particle size diameter of from about 0.05 to about 5,000 microns. Labile cross-links in the polymers of...

The invention provides a method of improving a flotation separation process. The method involves an organophosphorus compound, a material previously thought to only be of use in controlling scale deposit on surfaces of equipment used in cyanide leaching. In the invention the organoposphorus compound is added to the ...

Uses for a composition comprising a polymer derived from at least two monomers: acrylic x and an alkylamine wherein said polymer is modified to contain a functional group capable of scavenging one or more compositions containing one or more metals are disclosed. These polymers have many uses in various mediums inclu...

A treatment bath for use in the. manufacture of copper plated or metallized semiconductor davices and a method of inhibiting corrosion of copper plated or matalized surfaces and circuitry in the semiconductor devices immersed in an aqoeous fluid in a treatment bath comprising adding to the aqueous fluid an effecti...

The invention is directed to a method for reducing fluorescence in recycled pulp wherein the method includes: contacting a pulp slurry containing fluorescent agents with chlorine dioxide; and contacting the pulp slurry with a sodium hypochlorite component in an amount sufficient to reduce the fluorescence of the pul...

The invention is directed towards methods and compositions for identifying the specific microorganisms present in a particular potion of a papermaking processes. The method involves obtaining a sample from the process which is such that little or no live examples of the microorganism remain. However because DNA from...

The invention is directed towards methods and compositions for identifying the specific microorganisms present in a particular potion of a papermaking processes. The method involves obtaining and comparing a diversity index of a sample from the process. Because no system is completely free from biological infestatio...

A method of correcting measurements of a chemical sensor used in an industrial facility. The method involves correcting for errors known to occur in the steady state and the dynamic state for specifically recognized situations. This method allows for correcting errors that occur due to deadtime false zero measuremen...

Methods and compositions for separating materials are provided. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first material and the second material in a slurry with a beneficiation composition. The ben...

A fracturing fluid may include water; at least one polymeric viscosifier; at least one proppant; and a solution of peracetic acid in an amount effective to inhibit bacterial growth. Other embodiments are directed to methods for inhibiting bacterial contamination in a fracturing fluid and/or ballast water. ...

The present invention relates ways to increase the output of a high quality product from the precipitation liquor crystallization process exemplified through the aluminum hydroxide recovery processes such as the Bayer process. The invention is a method of increasing the size of precipitated of a liquor. The inventio...

The invention provides a method of removing mercaptans from hydrocarbon fluids. The method involves using an alpha-amino ether to scavenge the mercaptans. The scavenging reaction converts the mercaptans into a hydrocarbon soluble compound that mitigates the odor of the mercaptans.

The invention provides a method of removing hydrogen sulfide from hydrocarbon fluids. The method involves using a nitroxide molecule to promote a sulfide scavenger such as alkyl-triazine. The nitroxide effectively accelerates the scavengers activity. This allows for the avoidance of the introduction of halides into ...

The invention directed to a method of reducing the increase in viscosity and the drop in the heat transfer coefficient that commonly occurs with quenching media which is repeatedly circulated through a hot reaction vessel. The method comprises adding a preserving composition to the quenching media. The composition c...

The invention relates to a production method for producing stable chloramine. The method allows for the production of stable chloramine with the use of concentrated Chlorine source and concentrated amine source and agitation during production. The method produces a chloramine that has a pH of at least 5 with a most ...

Methods of producing the N-alkyl (alkyl)acrylamides. In a general embodiment, the present disclosure provides a method of producing an N-alkyI (alkyl)acrylamide comprising providing an aqueous solution comprising an N-alkyI amine and adding to the aqueous solution a base and an (alkyl)acrylic anhydride to form a pre...

A composition and method for improving retention and drainage in a papermaking process is disclosed. An unexpected synergistic effect has been observed when certain amounts of a promoter are used in conjunction with a microparticle. Optionally, a flocculant is also used to further improve the observed synergism. The...

Disclosed is a method of creating a real-time oxidation-reduction potential signature in a hot water system to detect REDOX stress and inhibit corrosion in the hot water system. The method includes defining one or more operational protective zones in the hot water system. One or more of the operational protective zo...

Disclosed is a method of controlling a real-time oxidation-reduction potential in a hot water system to inhibit corrosion in the hot water system. The method includes defining one or more operational protective zones in the hot water system. One or more of the operational protective zones includes an oxidation-reduc...

A method of inhibiting scale formation and deposition from a feed stream passing through a membrane system is disclosed. The method comprises: (a) controlling the pH of said feed stream within the range between about 7.0 and about 8.2; (b) optionally controlling the temperature of said feed stream within the range b...

A method for monitoring the deposition of one or more organic materials dispersed in an aqueous medium in a papermaking process comprising: measuring the rate of deposition of the organic materials from the aqueous medium on-to a quartz crystal microbalance having a top side contacting with the aqueous medium coated...

The invention provides a method of efficiently determining the effectiveness of managing a chemical or industrial facility. The method involves identifying various industrial site assets and recording various specs of those assets over time. The various assets are grouped according to some hierarchy such as location...

The invention provides for treatment strategies that prevent or control the growth of organisms that degrade oxidant stabilizers in oxidant stabilized biocides. This allows stabilized halogen programs to perform at their intended level and prevents the need for increased halogen usage in an attempt to maintain contr...

The invention provides a method of producing paper with a higher proportion of mineral filler particles than is otherwise be possible without the expected loss in paper strength. The method allows for the use of the greater amount of filler particles by coating at least some of the filler particles with a material t...

A method for the reduction of the emission of mercury into the environment from the burning of fossil fuels with the use of polydithiocarbamic compounds. The polydithiocarbamic compounds are used for the capture of mercury from the resulting flue gases using a flue gas desulfurization systems or scrubbers. The metho...

A method of removing metals and amines from crude oil comprising adding an effective metal removing amount of one or more hydroxycarboxylic acids selected from lactic acid and malic acid and salts thereof to said crude oil; adding wash water to said crude oil; mixing said crude oil, acid and wash water to form an em...

The invention provides a method of inhibiting the accumulation of DSP scale in the liquor circuit of Bayer process equipment. The method includes adding one or more particular silane based small molecules to the liquor fluid circuit. These scale inhibitors reduce DSP scale formation and thereby increase fluid throug...

A method of predicting the stability of a hydrocarbon process stream is disclosed and claimed. The method includes obtaining samples from one or more process streams and measuring the actual stability and the near infrared spectral absorbance of those samples. A classification model is initially developed to identif...

A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of a composition comprising one or more co-polymers of N-alkyl (alkyl)acrylamide monomers and one or more cationic monomers selected from acid and alkyl chloride quaternary salts ...

The invention provides a method of efficiently producing branched, cyclic glycerol-based polyols with a co-product as anti-biodegrading agent from inexpensive readily available glycerol monomer. The method involves polymerizing glycerol or glycerol with at least another monomer to multiple other monomers in the pres...

The invention provides a method and apparatus for determining the amount of various materials in a liquid sample. Because the apparatus is particularly resilient it can be used repeatedly with very harsh liquid samples such as boot water from an oil refinery. The apparatus uses at least one volume and/or concentrati...

The invention provides a method and apparatus for determining the amount of various materials in a liquid sample. Because the apparatus is particularly resilient It can be used repeatedly with very harsh liquid samples such as boot water from an oil refinery. The apparatus uses at least one volume and/or concentrati...

An apparatus and method for monitoring and controlling microbiological activity in a process stream by measuring dissolved oxygen is disclosed.

An apparatus and method for monitoring and controlling microbiological activity in a process stream by measuring dissolved oxygen is disclosed.

A method for controlling treatment of an industrial water system is disclosed. The method comprises the steps of providing an apparatus for controlling delivery of at least one treatment chemical the apparatus comprising at least one sensor and an electronic input/output device carrying out a protocol; measuring a p...

A composition and method for resolving reverse emulsions and complex water external emulsions using one or more polyepihalohydrins,one or more polyelectrolytes thereof,and any combination thereof is disclosed and claimed. The disclosed invention may be used in any crude oil production process where such emulsions ar...

Disclosed and claimed is a composition and method of inhibiting the formation of hydrate agglomerates in a fluid comprising water gas and optionally liquid hydrocarbon comprising adding to the fluid an effective anti agglomerant amount of any of the formulas described above and optionally salts thereof. ...

This invention relates to an improved method for inhibiting the formation and deposition of silica arid silicate compounds in a water system. In particular the method includes adding to the water system a relatively low molecular weight organic anionic polymer. The polymer preferably has an acrylic acid or methacryl...

The invention provides a method of recovering and recycling waste coating color from papermaking coating process for use as wet end filler. The inventive method overcomes many technical challenges inherent in using waste coating colors as wet end filler such as the coatings having fine pigments that hurts sheet stre...

Green compositions and technologies are provided. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first material and the second material in a slurry with a beneficiation composition. The beneficiation com...

The invention provides a method of efficiently producing branched cyclic glycerol based polymer surface active products having ester and alkyl functional groups with a co product as anti biodegrading agent from inexpensive readily available glycerol monomer. The method involves polymerizing glycerol or glycerol with...

The invention provides a method of improving dewatering efficiency increasing sheet wet web strength increasing sheet wet strength and enhancing filler retention in a papermaking process. The method improves the efficiency of dewatering aid by coating at least some of the filler particles with a material that preven...

The invention provides a method of removing sulfides from viscous petroleum streams such as asphalt  crude oil  and oil slurry using zinc octoate in which the molar ratio of zinc complexed with octanoic acid is not 1:2. Because zinc has a +2 charge and carboxylic acid has a –1 charge  it was previously assumed that ...

NA

The invention provides methods and compositions for improving the production of alumina hydrate. The invention involves adding one or more cross-linked ethylsulfonated polysaccharides to liquor or slurry in the fluid circuit of the production process. The one or more polysaccharides include cross-linked dextran or ...

An apparatus and method for estimating ore quality using color correlations is disclosed. The apparatus and method quantify ash or garde concentration in process streams and/or samples in real time allowing for the optimization of ore processing operations. The apparatus and method employ a light beam at a given wav...

The invention is directed towards methods and compositions for treating piles of particulate materials to inhibit and prevent the loss of valuable fuel or mineral dust from being released from storage piles or open containers. The method involves applying to the pile a binder coating containing VAE and crude glyceri...

The invention provides a method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in a papermaking process. The method improves the efficiency of drainage aids or wet web strength aids or wet strength aid by coating at least some of th...

The invention provides a method of inhibiting the accumulation of DSP scale in the liquor circuit of Bayer process equipment. The method includes adding one or more particular silane based small molecules to the liquor fluid circuit. These scale inhibitors reduce DSP scale formation and thereby increase fluid throug...

The invention provides a method of improving a flotation separation process. The method involves an organophosphorus compound a material previously thought to only be of use in controlling scale deposit on surfaces of equipment used in cyanide leaching. In the invention the organoposphorus compound is added to the f...

A method of treating one or more hair shafts, each hair shaft including a cuticle layer and a cortex enclosed in the cuticle layer is disclosed. The method comprises: selecting one or more polymers that can penetrate the hair shafts with a pore size of about 5 angstroms to about 5000 angstroms; and treating the hair...

The invention provides a composition of matter and a method, which enhance the process of mechanically pulping paper precursors. The composition of matter includes a small quantity of a reducing agent and a source of alkali. When added to the pulped material, e.g., wood chips, before or during mechanical pulping, th...

Processes for recovering hydrocarbons from subterranean formations are disclosed. The hydrocarbon can be contacted with water or steam and one or more additives, and subsequently recovered. The hydrocarbon can be selected from heavy or light crude oil, bitumen, an oil sand ore, a tar sand ore and combinations thereo...

A PROCESS OF TREATING A GAS STREAM CONTAINING MERCURY IS DISCLOSED. THE METHOD COMPRISES: APPLYING A SORBENT INTO SAID GAS STREAM AHEAD OF A PARTICULATE MATTER COLLECTION DEVICE, IN ORDER TO ADSORB AT LEAST A PORTION OF A MERCURY CONTAINING COMPOUND, WHEREIN SAID SORBENT CONTAINS A COMPOSITION COMPRISING A COMPOUND ...

A method of monitoring and controlling one or more types of hydrophobic contaminants in a papermaking process is disclo0sed. The methodology utilizes the measurement of hydrophobic dyes, which are capable of fluorescing and interacting with the hydrophobic contaminants. In addition, a method of determining the relat...

A silica containing composition is disclosed. The silica composition comprising a compound having the following formula (SiO)(OH)MOF: wherein M optionally exists and said M is at least one of the following metal or metalloid cations: boron magnesium aluminum calcium titanium vanadium manganese iron cobalt nickel cop...

A device (10) for measuring oxidation-reduction potential at operating temperature and pressure in hot water systems is disclosed and claimed. The device includes a flow-through cell (25), an oxidation-reduction potential probe (26), a temperature detector (26a, 300), and an external pressure-balanced reference elec...

A composition comprising a polymer derived from at least two monomers: acrylic x and an alkylamine wherein said polymer is modified to contain a functional group capable of scavenging one or more compositions containing one or more metals is disclosed. These polymers have many uses in various mediums including waste...

A silica containing composition is disclosed. The composition comprises a compound having the following formula: (SiO)(OH)MSF: wherein M is at least one of the following metal or metalloid cations: boron magnesium aluminum calcium titanium vanadium manganese iron cobalt nickel copper zinc zirconium molybdenum pallad...

This invention is directed to a composition comprising encapsulated expandable polymeric microparticles including expandable base microparticles encapsulated in a shell of at least one layer of a labile or degradable encapsulation material. The encapsulated microparticles have an unexpanded volume average particle s...

A method of preparing a stable dispersion of flocculated filler particles for use in papermaking processes comprises sequential addition of a first flocculating agent to an aqueous dispersion of filler particles followed by shearing of the dispersion, followed by addition of a second flocculating agent to the disper...

This invention is directed to a composition comprising crosslinked expandable polymeric microparticles comprising structured polymers having labile crosslinks or having a labile core and non-labile crosslinks. The starting configuration of the structured polymers constrains the microparticle to an unexpanded volume ...

The present invention provides a composition and method for inhibiting the growth of microorganisms in industrial water systems. Methods employing the composition comprising halogen-based hydantoin or hydantoin-stabilized halogen in combination with peracetic acid demonstrate synergistic control of microbial growth,...

Dust control and/or freeze control compositions and methods of using the compositions are provided. In an embodiment, the present invention provides methods of utilizing the dust control and/or freeze control products. For example, the method can comprise preventing the agglomeration of particulate material comprisi...

A device (10) for measuring oxidation-reduction potential at operating temperature and pressure in hot water systems is disclosed and claimed. The device includes a flow-through cell (25), an oxidation-reduction potential probe (26), a temperature detector (26a, 300), and an external pressure-balanced reference elec...

The present invention relates to a method for forming a silica-based particle or composite consisting of a silica-based material, an active, with or without a surface modification, and the related composition. The silica-based particle is illustrated by the formula (SiO2)x(OH)yRzSt, whereby R is an active or actives...

The present invention provides for a composition comprising: a) activated magnesium silicate; b) optionally a suspending agent for said activated magnesium silicate; c) water,- d) optionally an emulsifier,- e) optionally excluding caustic soda; and f) optionally excluding hydrogen peroxide. The present invention ...

A treatment bath for use in the manufacture of copper plated or metallized semiconductor devices and a method of inhibiting corrosion of copper plated or metallized surfaces and circuitry in the semiconductor devices immersed in an aqueous fluid in a treatment bath comprising adding to the aqueous fluid an effective...

A method of operating a papermaking process containing a press section with at least one press nip is disclosed. The method comprises simultaneously performing the following steps: (a) providing a press media for said papermaking process that has a MFP size that is less than the MFP size of a press media that was or...

A method of preparing a modified diallyl-N,N-disubstituted ammonium halide polymer and use of the polymer in combination with one or more high molecular weight, water soluble cationic, anionic, nonionic, zwitterionic or amphoteric polymers for increasing retention and drainage in a papermaking furnish. ...

A method of preparing a modified diallyl-N,N-disubstituted ammonium halide polymer and use of the polymer in combination with one or more high molecular weight, water soluble cationic, anionic, nonionic, zwitterionic or amphoteric polymers for increasing retention and drainage in a papermaking furnish. ...

The present disclosure is directed to a method of improving the transfer of slurry in a Bayer process through the addition of one or more chemical species to a Bayer process, wherein said chemical species is selected from the group consisting of: non-ionic surfactants, polyglycols, polyglycol ethers, anionic surfact...

This invention concerns methods and apparatus for measuring oxidation reduction potentials of water in a hot water system at system temperature and pressure and methods of using the measured oxidation-reduction potential to monitor and control the addition of oxygen scavengers or oxygen to the system in order to mai...

A method of mixing chemical into a process stream of thin stock pipe in a papermaking process is disclosed and claimed. Chemical is added to a portion of a process stream drawn from the thin stock pipe. This mixture is then fed to the thin stock pipe to mix with said process stream.

A method of enhancing the dewatering of a paper sheet on a paper machine comprising adding to the paper sheet about 0.05 lb/ton to about 15 lb/ton, based on dry fiber, of one or more aldehyde functionalized polymers comprising amino or amido groups wherein at least about 15 mole percent of the amino or amido groups ...

A cosmetically acceptable composition comprising one or more hydrophobically modified polyacrylamides prepared by incorporating hydrophobic moieties into a polymer compound acrylamide, one or more cationic monomers and optionally one or more anionic monomers. The composition may be incorporated into products for tre...

An improved method and composition for producing aluminum hydroxide crystals from precipitation liquor, involves the addition of an emulsified crystal growth modifier comprising a C8-C10 fatty acid, precursors, salts or blends thereof. The emulsified crystal growth modifier also facilitates an upward shift in partic...

A method of applying to a metal surface a composition and drying the surface for crosslinking, which composition comprises a dispersion in the solvent of a compound comprising the reaction product of (1) a polyamine in which a plurality of amine groups are bonded to at least one Tadical comprising alkylene or arylen...

The invention relates to an apparatus for the production of oxidizing biocides. The apparatus can be used as a remote production system where the product is stored use or it can be an in situ production system where the product can be in fluid connection with the system being treated. The preferred product of the sy...

The invention relates to a production method for producing stable chloramines. The method allows for the production of stable chloramines with the use of concentrated Chlorine source and concentrated amine source and agitation during production. The method produces a chloramines that has a pH of at least 5 with a mo...

This invention relates to an improved method of inhibiting corrosion and calcium sulfate and calcium carbonate scaling in thermal and membrane desalination processes. The method includes adding a composition having an oligomeric phosphinosuccinic acid to seawater or recirculation brine in a desalting process to prod...

An apparatus for feeding one or more chemicals into a process stream of a papermaking process is disclosed, as well as a method of utilizing the apparatus for feeding one or more chemicals into a process stream is disclosed.

A method for monitoring and controlling the concentration of chemicals added to and present in water systems via the use of a solid state fluorometer. Biological materials that exist in water systems are monitored and controlled through the use of a solid state fluorometer.

A cosmetically acceptable composition comprising from about 0.1 to about 10 weight percent, based on polymer solids, of a water-soluble ampholyte polymer comprising: from at least 1 to as much as 95 weight percent of the nonionic monomer acrylamide; from at least 5 to as much as 80 weight percent of the cationic mon...

The method of dispersing, dissolving, or reducing the viscosity of hydrocarbon foulants including heavy oil, tars, asphaltenes, polynuclear aromatic hydrocarbons, coke, polymers, light oil, oxidized hydrocarbon and thermal decomposition products, and the like in fluids in contact with hydrocarbon processing equipmen...

Methods and compositions for grinding materials are provided. In an embodiment, the present invention provides a method of grinding solid materials. For example, the method can comprise mixing the solid material with the grinding aid, and using a grinding media such as steel balls to grind the solids. The grinding a...

A method of stabilizing silica-containing anionic microparticles upon mixing of the silica-containing anionic microparticles with hard water comprising adding one or more hardness-abating additives to the hard water prior to mixing of the hard water and the silica-containing anionic microparticles; or adding an effe...

Method for monitoring the deposition of organic deposits from a papermaking liquid or slurry. The method involves measuring the rate of deposition of organic deposits from the liquid or slurry of a papermaking process onto a quartz crystal microbalance having a top side in contact with the liquid or slurry and the b...

A composition of matter of formula TG13-R and a composition of matter of formula TG14-R.

Oxidative compositions and processes that preserve and enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process are identified. The oxidative composition and method maintains and/or enhances brightness, prevents yellowing, and enhances the performance ...

A viscoelastic surfactant composition having improved rheological performance comprising one or more quaternized amidoamine surfactants, one or more tertiary amine amides, one or more polymeric acids and one or more electrolytes, viscosified aqueous fluids comprising the surfactant composition and methods of making ...

A method of monitoring and inhibiting scale precipitation and deposition from spent liquor in pulp mill evaporators and concentrators is disclosed. The method includes connecting a black liquor deposition monitor to a pulp mill evaporator or concentrator and measuring the thermal conductivity on the outer surface of...

The present disclosure pertains to a method of improving the grinding of a bauxite containing slurry during the grinding stage of an alumina extraction process. Specifically, an effective amount of one or more non-ionic surfactants, polyglycols, polyglycol ethers, anionic surfactants, anionic polymers, or a combinat...

A method of removing one or more heavy metals from industrial wastewater by a disclosed membrane separation process. Specifically, the following steps of: (a) collecting an industrial wastewater containing heavy metals in a receptacle (b) adjusting the pH so said system to achieve hydroxide precipitation of said hea...

A method for increasing the floccule size and volume of alumina trihydrate during the Bayer processing of bauxite ore using a flocculant in conjunction with a water continuous polymer. The addition of the flocculant and the water continuous polymer to the alumina trihydrate slurry following the security filtration a...

The composition of matter of formula TG13-R(1) and a composition of matter of formula TG14-R(II) where R is H or C1-C6 alkyl, is described and claimed. These compositions of matter have been found to be useful in a Coating Mixture that is applied to aluminium or aluminium alloys.

The present invention provides an inverse emulsion polymer having a dispersed phase composed of an aqueous solution of an acrylic polymer and a continuous phase composed of an ester of a fatty acid and a water soluble alcohol. The present invention further includes a method of water treatment which includes adding t...

The present invention relates ways to increase the output of a high quality product from the aluminum hydroxide recovery processes such as the Bayer process. The invention is a method of increasing the size of precipitated aluminum hydroxide while not reducing the total production amounts. The invention relates to t...

A device for measuring oxidation-reduction potential at operating temperature and pressure in hot water systems is disclosed and claimed. The device includes a flow-through cell, an oxidation-reduction potential probe, a temperature detector, and an external pressure-balanced reference electrode assembly. Each compo...

A coating oil composition and methods of using the composition for dust control is provided. The coating oil comprises utilizing a by-product from the manufacture of biodiesel and/or fatty alkyl esters, wherein the by-product comprises C6-C24 saturated and unsaturated fatty acids, C6-C24 saturated and unsaturated fa...

An apparatus and method for monitoring microbiological activity in a process stream by measuring dissolved oxygen is disclosed. Bulk microbiological activity and surface associated biological activity are measured using this apparatus and method.

A product for dust control and freeze control, wherein the product comprises a mixture from about 45 to about 90 weight percent of glycerin, from about 50 weight percent of water and from about 2 to about 15 weight percent of a water soluble salt is described and claimed. The product may be diluted with about 10 ...

Aqueous dispersions comprising one or more ethylene-acrylic acid polymers and an effective dispersing amount of one or more NN-dialkylalkanolamines are useful for preparing substrates for use in electrophotographic or digital offset printing processes.

A method of decreasing the rate of photoyellowing in paper containing mechanical pulp comprising: applying an aqueous solution containing an effective amount of one or more salts of thiocyanic acid on the surface of a paper sheet in a paper-making process.

An apparatus for feeding one or more chemicals into a papermaking process is disclosed. More specifically, a method for feeding chemistry into a thick stock of a papermaking process is disclosed.

In the mining process, linear, branched, hyperbranched or dendrimeric polyols or mixtures thereof are employed as process stabilization aids for aqueous solutions and, or suspensions of metal salts. A specific application area of the polyols is the stabilization of bauxite liquor in the Bayer process of producing al...

A composition of matter which is aluminum hydroxide, produced using the Bayer Process, wherein the aluminum hydroxide produced has a Total Organic Carbon of less than about 0.5 milligrams Total Organic Carbon/gram aluminum hydroxide.

A method for the reduction of the emission of mercury into the environment from the burning of fossil fuels with the use of polydithiocarbamic compounds. The polydithiocarbamic compounds are used for the capture of mercury from the resulting flue gases using a flue gas desulfurization systems or scrubbers. The metho...

Methods of monitoring residual treating agent in treated water wherein the fluorescence intensity of the water at least two different dosages of treating agent tagged or traced with fluorescent tracers are correlated with the residual concentration of treating agent. The fluorescence response at the different treati...

A method of monitoring and optionally controlling the addition of one or more surface additives to a papermaking process is disclosed. The method comprises the following steps: (a) adding a known amount of one or more surface additives to a papermaking process either alone or in known proportion with a known amount ...

A composition for anti-microbial effect in a water system such as a pulp and paper processing line with an aqueous sluriy. The composition comprises a free chlorine-generating biocide comprising a chlorine source, urea, and an alkali in a concentration sufficient to provide a pH greater than 1 0, and typically at le...

Methods and compositions for separating materials are provided. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first material and the second material in a slurry with a beneficiation composition. The ben...

Methods and compositions for separating materials are provided. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first material and the second material in a slurry with a beneficiation composition. The ben...

The invention pertains to a method of improving flux in a membrane bioreactor (4) having membrane (5) by adding an effective amount of cationic, amphoteric, and zwitterionic polymers, or a combination thereof. The membrane bioreactor (4) is in a system also including an aerobic reactor (2) and anaerobic digester (3)...

An improved method and composition for producing aluminum hydroxide crystals in a Bayer process pregnant liquor, involve the addition of a crystallization modifier comprising a C8-CIO fatty acid, precursors, salts or blends thereof. The alkyl chain of the fatty acid crystallization modifier is free of functional gro...

The present disclosure is directed to compositions and methods for enhanced oil recovery, for modifying the permeability of subterranean formations and for increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations. The compositions may include, for example, expandable cross-lin...

An improved method and composition for producing aluminum hydroxide crystals in a Bayer process pregnant liquor, involve the addition of an emulsified crystallization modifier comprising a C8-C10 fatty acid, precursors, salts or blends thereof. The alkyl chain of the fatty acid crystallization modifier is free of fu...

A method of processing backwash water by use of a membrane separation process is disclosed. Specifically, the following steps are taken to process backwash water: collecting backwash water in a receptacle suitable to hold said backwash water; treating said backwash water with one or more water soluble polymers, wher...

The current invention relates to the inhibition of scale deposits in an acidic slurry or solution. The current invention uses an aqueous synthetic mixture comprising a phosphate, phosphonate, anionic polymer, or combinations thereof in the slurry and/or solution to inhibit scale during the processing of ore. The pr...

A method of preparing a stable dispersion of flocculated filler particles for use in papermaking processes comprises sequential addition of high and low molecular weight flocculating agents to an aqueous dispersion of filler particles followed by shearing of the resultant filler flocs to the desired particle size re...

Compositions for adjusting coal bulk density and methods of using the compositions are provided. In an embodiment, the present invention provides methods of utilizing the compositions to adjust coal bulk density. The compositions can comprise one or more components selected from a group consisting of vegetable oils,...

Compositions and processes that preserve and enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process are identified. The composition and method maintains and/or enhances brightness, prevent yellowing, and enhances the performance of paper products. Us...

Methods and compositions for separating materials are provided j. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first material and the second material in a slurry with a beneflciation composition. The b...

This invention relates to an improved method of inhibiting corrosion and calcium sulfate and calcium carbonate scaling in thermal and membrane desalination processes. The method includes adding a composition having an acrylic acid 2-acrylamido-2-methylpropyl sulfonic acid copolymer, optionally combined with an oligo...

The present disclosure is directed to compositions and methods that may be used for enhanced oil recovery, for modifying the permeability of subterranean formations and for increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations. The compositions may include, for example, exp...

This invention is directed to a composition comprising expandable polymeric microparticles comprising hydrophobic polymers having a backbone with labile pendant groups, the microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 50 microns. The starting configuration of ...

NA

The current invention relates to a composition that allows for the reduction of dust in an environment through application to a hard surface in that environment or dispersal of dust into the environment is minimized. The composition allows for instant reduction of dust and for the elimination of the absorption of mo...

A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of a composition comprising one or more homo- or co-polymers of N-alkyl (alkyl)acrylamide synthesized by polymerizing one or more N-alkyl (alkyl)acrylamide monomers in a solvent c...

A method of optimizing system parameters in a crude unit to reduce corrosion and corrosion byproduct deposition in the crude unit is disclosed and claimed. The method includes measuring or predicting properties associated with the system parameters and using an automated controller to analyze the properties to cause...

This invention relates to methods for reducing the viscosity of hydrocarbon liquids encountered in petroleum operations. The method includes forming a low viscosity emulsion by contacting hydrocarbon liquids with an effective amount of a water-soluble polymer having pendant methyl ether groups. ...

This invention is directed to methods for quickly inverting and dispersing a flocculant in a digestion process prior to the production of an aqueous slurry to achieve settlement of solids and clarification of the slurry water. In particular, this invention relates to methods for quickly inverting a flocculant-contai...

Dust control and/or freeze conditioning compositions and methods of using the compositions are provided. In an embodiment, the present invention provides methods of utilizing the dust control and/or freeze conditioning products. For example, the method can comprise preventing the agglomeration of particulate materia...

A method and apparatus for preparing a N,N-dialkylaminoalkyl acrylate in a continuous transesterification reaction. The reaction involves adding alkyl acrylates such as mcthacrylatc or cthacrylate to a reboiler mechanism and efficiently removing alcohol co-products. Because the reaction is continuous, the alkyl acry...

The invention provides a method and apparatus for controlling the formation of foulant deposits on petroleum processing equipment. The invention involves a first mixture comprising an acid phosphate ester. The first mixture is applied to the surface of the petroleum processing equipment at a high temperature. Then a...

The invention relates to improved elimination of scale in processing systems. The method removes existing scale while also eliminating buildup. The invention relates to phosphate and sulfate scale. The invention further allows for improved anti-scaling without the need to make any pH adjustments. The method provides...

Described and claimed is a novel system and method for monitoring the metabolic rate of a cellular population in an industrial process. The invention includes obtaining a sample of the cellular population and initiating a reaction between a metabolic component of the cellular population and bioreporter. The reaction...

Disclosed and claimed is a method of demulsifying an emulsion comprising water and oil. The method comprises adding an effective amount of a composition comprising at least one substantially fully quaternized ammonium adduct of polyephalohydrin that has a molecular weight from about 500 Da to about 2,500 Da. ...

The invention provides a method of removing hydrogen sulfide from hydrocarbon fluids. The method involves using an alpha-amino ether as a hydrogen sulfide scavenger. This allows for the introduction of an oil soluble scavenger in lieu of water-soluble scavengers.

The invention provides methods and compositions for improving the production of alumina. The invention involves adding a product containing one or more polysaccharides to liquor within the fluid circuit of the production process, where one of the polysaccharides is scleroglucan. The use of scleroglucan can impart a ...

Novel sizing mixtures to achieve improved sizing along with other benefits is disclosed and claimed. The invention is a composition comprising a sizing mixture having a stabilizing amount of one or more aldehyde functionalized polymers and a sizing amount of a sizing composition. The invention is also a method of im...

A composition for use in investment casting shells and a method of making the composition is disclosed. The composition includes an engineered binder and a refractory flour. The engineered binder comprises a siliceous material and at least one organic component selected from: at least one type of wood pulp; at least...

A method for minimizing the addition of water to a phosphoric acid production process is described. The method uses phosphoric acid to make down a flocculant that is added to the process in order to promote filtration or clarification of crude phosphoric acid. Preferably, the phosphoric acid is a crude, clarified ph...

The present invention provides a device for producing a water treatment solution from a solid chemical block for distribution into a water system selected from the group comprising an institutional water system and an industrial water system. The device includes a housing to contain the solid chemical block. A fluid...

The present invention provides a device for producing a water treatment solution from a solid chemical block for distribution into a water system selected from the group comprising an institutional water system and an industrial water system. The device includes a housing to contain the solid chemical block. A fluid...

A method to control a cooling water system based on the rate of consumption of a fluorescent polymer is described and claimed.

Colloidal compositions and methods of preparing same are provided. The colloidal compositions include a silicate and a metal dispersed therein. The colloidal compositions can further include a stabilizer, such as a quaternary amine, to enhance the dispersion of the metal loading within the silicate. The colloidal co...

Disclosed and claimed is a composition and method of inhibiting the formation of hydrate agglomerates in a fluid comprising water, gas, and optionally liquid hydrocarbon comprising adding to the fluid an effective anti-agglomerant amount of the following formula and optionally salts thereof formula (I) : wherein eac...

The invention is directed to methods and compositions for reducing the deposition of pitches and stickies in a papermaking process. The method involves introducing an anionic glycerol based polymer to the papermaking process. This anionic polymer prevents the pitches and stickies from depositing and agglomarting in ...

A method and composition for the reduction of the emission of selenium into the environment from the burning of fossil fuels with the use of two chemistries either individually or in combination with each other. The method uses polydithiocarbamic compounds including polydithiocarbamic compounds derived from a polyme...

A method of preparing a stable dispersion of flocculated filler particles for use in papermaking processes comprises use of microparticle prior to simultaneous to and/or after addition of a first flocculating agent to an aqueous dispersion of filler particles followed by addition of a second flocculating agent to th...

The invention is directed towards methods compositions and apparatus for increasing the strength of paper made out of a furnish having a large proportion of OCC. The method involves the following steps: 1) Providing a paper furnish having a large amount of OCC in it 2) adding strength promoter to the furnish prior t...

The invention is directed towards methods and apparatus for accurately detecting the presence and concentration of an oxidant in a turbid water sample. This method is very helpful in allowing accurate and efficient (not too much nor too little) amounts of microbe killing oxidants to be introduced to water supplies t...

Methods of increasing the yield of tall oil soap from a black liquor are provided. In an embodiment, the method comprises adding a separation aid to the black liquor. The separation aid comprises alkyl alcohol alkoxylates of formula RO[(CH2CHCH3O)x(CH2CH2O)y]M and combinations thereof, wherein R is straight or branc...

The current invention relates to the inhibition of scale deposits in an acidic slurry or solution. The current invention uses an aqueous synthetic mixture comprising a phosphate, phosphonate, anionic polymer, or combinations thereof in the slurry and/or solution to inhibit scale during the processing of ore. The pro...

Disclosed herein are compositions and methods to increase paper machine performance and enhance sizing. The compositions include a sizing agent, an emulsifier, and an aqueous component. The emulsifier may be an aldehyde-functionalized polymer

The present invention provides for a composition for deinking a cellulosic substrate comprising: (a) activated magnesium hydroxide; (b) optionally a suspending agent for said activated magnesium hydroxide; (c) water; (d) optionally an emulsifier; (e) optionally excluding caustic soda; and (f) optionally excluding hy...

The invention provides a composition of matter and a method of its use in preventing unwanted polymerization reactions. The composition comprises an inhibitor and a retarder. The inhibitor is highly effective. The retarder is reliable under extreme and emergency situations. The inhibitor can be an alkylhydroxylamine...

A method of preparing a stable dispersion of flocculated filler particles for use in papermaking processes comprises sequential addition of a first flocculating agent to an aqueous dispersion of filler particles followed by shearing of the dispersion followed by addition of a second flocculating agent to the dispers...

A composition comprising a pile of particulate material comprising a dust generating material; a polyvinyl acetate; and crude glycerin, wherein the ratio of polyvinyl acetate to glycerin by weight in the composition is between 100:1 and 1:100.

The invention provides methods and compositions for inhibiting the accumulation of DSP scale in the liquor circuit of Bayer process equipment. The method includes adding one or more GPS surfactant based small molecules to the liquor fluid circuit. These scale inhibitors reduce DSP scale formation and thereby increas...

Methods of forming a silica based products are disclosed. One method comprises: (a) providing a silica containing precursor (SCP) contained in solution that has a pH less than or equal to a pH of 7; (b) optionally doping the SCP with one or more metal species wherein said doping occurs when the solution has ...

The invention provides a method of producing paper with a higher proportion of mineral filler particles than is otherwise be possible without the expected loss in paper strength by preflocculating the filler particles. The method allows for the use of the greater amount of filler particles by coating at least some o...

The invention provides a method of continuously producing high quality quaternized N N dialkylaminoethyl (meth)acrylates (DMAEA MCQ) that has a long shelf life and which is stable in water. The method involves placing starting marterials into a continuously stirred tank reactor in the presence of less than 6% water....

The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability additive can be post added to the finish polymer product, added to the reaction vessel prior to inducing functionalization of ...

A method of conditioning mixed liquor having a mixed liquor suspendedsolids loading of about 5 g/L to about 30 g/L in a membrane biologicalreactor comprising adding to the mixed liquor an effective coagulating andflocculating amount of one or more water soluble cationic, antiphoteric or

Methods and systems for monitoring and/or controlling membrane separation systems or processes are provided.The present invention utilizes measurable amounts of inert fluorescent tracer(s) added to a feed stream to evaluate and/or control thepurification of such feed stream during membrane separa...

Methods and systems for monitoring and/or controlling membrane separation systems or processes are provided. The present invention utilizes measurable amounts of inert fluorescent tracers and tagged fluorescent agents added to a feed stream to evaluate and/or control one or more parameters specific to mem...

A method and apparatus for measuring the deposit forming propensity of a continuously flowing fluid having a bulkpH of about 1 to about 12 comprising measuring the rate at which deposit forms on a quartz crystal microbalance (1) having a topside comprising a working electrode (16) in contact with...

A method of purifying juice obtained from plant material, comprising the steps of:a. obtaining plant material;b. removing juice from at least a portion of said plant material to obtaina process liquid, wherein said process liquid contains sucrose, non-sucrose substances, and water, an...

A polymer comprising pendant salicylic acid groups and having a weight averagemolecular weight or at least 2,000.000 daltons, wherein said polymer is preparedby free radical polymerization of one or more salicylic acid containing monomers,one or more acrylate monomers selected from the grou...

A sugar production system.A sugar production system, comprising: an aeration chamber; and a sugarprocess liquid; wherein the sugar process liquid flows through a containmentzone within the aeration chamber coincident to a flow of gas through thecontainment zone to provide a conditione...

A treatment bath for use in the. manufacture of copper plated or metallized semiconductor davices and a methodof inhibiting corrosion of copper plated or matalized surfaces and circuitry in the semiconductor devices immersed in an aqoeousfluid in a treatment bath comprising adding to the aqueous ...

A method for the production of aluminum hydroxide, produced using theBayer Process, comprising producing the aluminum hydroxide wherein theTotal Organic Carbon of the aluminum hydroxide is less than about 0.5milligrams Total Organic Carbon/gram of aluminum hydroxide. ...

The invention provides methods and compositions for improving the rheology of red mud removed from Bayer Process liquor. The method includes adding a flocculant and a cross linked polysaccharide to the liquor. This combination separates the red mud from the liquor but also prevents the red mud from becoming too thic...

The invention provides a method of improving dewatering efficiency increasing sheet wet web strength increasing sheet wet strength and enhancing filler retention in a papermaking process The method improves the efficiency of drainage aids or wet web strength aids or wet strength aid by coating at least some of the f...