The present invention relates to a high tenacity cellulosic fibre having a tenacity higher than 5 grams per denier. The fibre comprises 10% to 20% by weight of cellulosic raw material based on the total weight of the fibre. The cellulose fibre is obtained from cellulosic raw material wherein at least 70% of the cell...

The present disclosure relates to a process for producing metallic carbide particulate reinforced aluminum alloy matrix composite. The present disclosure envisages generating in-situ carbon for reacting with the metal containing compound in the molten aluminum matrix to obtain metallic carbide particulate. A hydroca...

The present invention envisages a spin pack device for continuous spinning of polymer to form filament for producing high quality staple fiber. The device in accordance with the present invention is characterized by a twin heating arrangement wherein the first heating arrangement uniformly heats the polymer supply p...

An acrylonitrile polymer composite suitable for fibers is disclosed. The acrylonitrile polymer composite is formed by modifying an acrylonitrile polymer with a modified starch, wherein the modified starch has a degree of substitution of at least 1.5 obtained by modifying a starch with a starch modifier with a formul...

ABSTRACT METHOD FOR RECOVERY OF ALUMINA FROM ALUMINIUM DROSS A method for recovery of a-alumina from aluminium dross is disclosed. The method comprises of grinding aluminium dross to obtain particles having average particle size in the range of 80-100 micron, leaching aluminium dross with an acid to obtain a l...

The present disclosure relates to a process for obtaining Carbon black powder with a sulfur content of less than 0.07% . The process includes step of reacting carbon black powder with a sulfur content of 1-2% with an alkali metal or salt thereof, in a fluid media, at a temperature in the range of 100°C to 350 °C and...

A PROCESS FOR PREPARATION OF CELLULOSE DOPE The invention relates to a 5 method for preparing a cellulose dope comprising mixing and dissolving the cellulosic raw material in dilute and concentrated aqueous organic solvent in a two-stage process to form a homogeneous slurry, followed by heating the homogeneous s...

The present invention envisages a geopolymer-based concrete composition comprising fly ash, an alkaline activator having Na2O:SiO2 molar ratio in the range of 0.68 - 1.13, calcium hydroxide, and water, along with inert aggregates and ordinary portland cement. The composition of the present invention provides concret...

An insert for a current collector bar is disclosed. The current collector bar formed from a first material and defining a length L\ a width ' W and a height "H\ wherein the insert is formed of a second material and has a length T extending between a first end and a second end, the length T less than the length 4L5 o...

A polymer product is provided. The polymer product includes an active arrester and an active compound. The active compound is selected from the group consisting of a volatile insecticide and an antimicrobial. The wash durability of the polymer product is in a range of from about 30 percent to about 95 percent over 1...

A mixing apparatus for mixing solid in liquid slurry solution is disclosed. The mixing apparatus includes a tank defining a top surface, a bottom surface and a side surface, and having an inlet for receiving the solution at or proximate the top surface. A draft tube is vertically arranged within the tank and having ...

The present invention relates to the process for the preparation of Potassium fluoride (KF) from cheaply available hydrofluorosilicic acid [H2SiF6] which is a by-product from the fertilizer industry and with silica [SiO2]. In accordance with this invention there is provided a process for effective manufacturing pot...

The present invention is to provide a process for the preparation of aluminum fluoride anhydride having low silica content and large particle size and the process which increases the product yield.

A method for synthesis of chlorinated paraffin, the method comprising reacting a C8-24 paraffinic hydrocarbon with chlorine gas in the presence of 100 to 1500 ppm of an stabilizer at a temperature in the range of 25 C to 200 C and at a pressure in the range of 1 to 3 atmospheres.

A process for preparing epichlorohydrin comprising the steps: (a) reacting allyl chloride with an inorganic peroxide compound in the presence of at least one solvent at a temperature of about 40 to 50 degree C in atleast one reactor containing a catalyst bed to obtain a resultant mixture of epichlorohydrin, unreacte...

The present invention envisages an electrically conductive coating which aids in resistance spot welding of aluminum sheets and galvanized steel sheets. The electrically conductive coating comprises a non-metallic component selected from carbon black, carbon black feedstock, graphite, an ionic substance, or a mixtur...

The present invention provides a modified polymer dope composition. The present invention also provides high luster acrylic fibers and a process for manufacturing the same.

A method for enhancing the reflectivity of an aluminum element having an initial reflectivity below 75 percent includes cleaning the element with a first cleaning agent, drying the cleaned element, reducing roughness of at least one surface of the dried element by electro-polishing OT chemical polishing, cleaning t...

The present disclosure relates to a compound of Formula I: Formula I wherein, R1, R2, R3, R4 and R5 have the meaning as defined in the description. The present disclosure also relates to a process for preparing the compound of Formula I and its application for dissolution of pulp and polymer. ...

A black colored fiber is provided. The black colored fiber has a lightness value "L" in a range of from about 13.0 to about 9.0 and a color strength "K/S" in a range of from about 22 to about 50. A black colorant formulation and a black colorant pigment are also provided. Processes are also provided. ...

ABSTRACT A WHITE CEMENT BUILDING MATERIAL A cured building material is disclosed. The cured building material comprising a white cement in a range of 15-30% (w/w), fibers in a range of 5-18% (w/w) wherein a majority of the fibers have an aspect ratio of approximately 0.5: 1, a hydrophobic polymer in a concentr...

Rotary dryer for drying bulk solids. Each of the lifters (3) of the dryer comprises an angular member having a planar base (5) and a planar scooping lip (6) at an angle 91 of 100 to 150° with respect to the planar base. The lifter also comprises a pair of end closing members (7, 7), one at each end of the angular me...

The present disclosure provides a method for isolation and purification of sodium sulfide (Na2S) formed during desulfurization of petroleum residue. The process involves treating a sludge containing Na2S obtained during desulfurization of petroleum residue with a mixture of at least one organic solvent and water. ...

ABSTRACT A DRYING AID FOR A REDISPERSIBLE POLYMER POWDER A drying aid for a redispersible polymer powder is disclosed. The drying aid is a formaldehyde condensate of substituted alkoxy benzene sulfonic acid. A process for preparing the drying aid is also disclosed. Further, a redispersible powder including the...

The present invention provides a process for reinforced aluminum matrix composite. The aluminum matrix composite is reinforced with compound selected from the group consisting of Titanium carbide, Titanium boride, Vanadium and Zirconium compounds . The process is carried out pneumatically using pressurized carrier g...

The present invention provides a process for purification of tertiary amine N-oxides from a spin bath solution after the production of lyocell fibres therein. The process comprises filtering the spin bath solution and then passing the filtered solution first through an anion exchange resin followed by a cation excha...

The invention relates to a method for removal of at least 70% of hemicellulose impurity from a spin bath N-Methyl-Morpholine N-Oxide (NMMO) solution. The method comprises contacting the spin bath NMMO solution with ¬an activated granular carbonaceous material and then contacting the filtered solution with at least o...

The present invention relates to a method of increasing the Hunter Whiteness of white cement by 1-10%. The whiteness is increased by changing the valency of iron present in the clinker from ferric to ferrous. Reference (Figure 1)

[027] According to the present invention, there is provided a method of preparing composite clinker having 20% - 45% of belite content, comprising the steps of preparing belite rich clinker using limestone having 4% - 8% alumina and 14% - 20% silica content; preparing portland clinker having up to 15% - 25% belite c...

The Invention relates to a method to minimize loss of N-Methyl-Morpholine N-Oxide (NMMO) in an effluent generated during regeneration cycle of ion-exchange resin systems during Lyocell fibre manufacturing process, the spin bath being operably connected with the ion-exchange resin systems, the method comprising passi...

The present invention relates to a method for extracting syngenite [K2Ca(SO4)2H20] and potassium chloride [KCl] from alkali bypass dust. The syngenite obtained is at least 65% by weight of the alkali bypass dust and the crystals of KCl obtained have over 95% purity.

The present invention relates to a cathode carbon block resulting in an enhanced aluminium reduction cell performance in a smelting process and formed of a mixture of a carbonaceous material including graphite, a metal and a binding agent, the cathode carbon block comprising 10 a first and second lateral zon...

ABSTRACT A CONTINUOUS PROCESS FOR PREPARING DICHLOROHYDRIN The invention relates to a continuous process for preparing dichlorohydrin from the starting materials of glycerol and hydrogen chloride in a three-reactor system, wherein the product dichlorohydrin is formed in a first reactor (1) by reaction of monochlo...

ABSTRACT A continuous process for xanthation of alkali cellulose and a system thereof. [032] The present invention related to a continuous process for xanthation of alkali cellulose 310 comprising the steps of preparing a solution of carbon disulphide and an organic solvent; agitating the solution and the alkali c...

ABSTRACT A process for obtaining a dope dyed viscose fibre The present invention relates to a process for obtaining a dope dyed viscose fibre. More particularly, the present invention relates to a process for obtaining a dope dyed viscose fibre by using surface modified carbon black as a pigment. The process compri...

A device to open wet staple fibre and form a uniformly loosened fibre mat The invention relates to a device to open wet staple fibre to yield a uniformly loosened fibre mat. The device comprises a fibre feeding arm for introducing mixture of staple fibre and dilute solvent into the trough; a distributor plate encas...

The present invention relates to an apparatus for drying wet staple fibre, comprising an opener to open the wet fibre mat that is connected to a fluidized bed dryer wherein hot air is blown at high pressure to dry the opened fibre, a separation unit connected to the fluidized bed dryer through a duct, said separatio...

ABSTRACT A composition for sintered lightweight aggregate and a method of preparing the same. [027] According to the present invention, there is provided a composition for sintered lightweight aggregate compromising, by weight of the composition, 60 – 90 % of fly ash; (8 – 30 % of red mud; 0.1 – 10 % of clay;...

ABSTRACT Dietary fibre and method of preparing the same. The present invention relates to a method of preparing dietary fibre from a banana pseudo-stem, comprising treating pieces of the pseudo-stem with a de-browning solution for 10 to 30 minutes at a temperature of 10°C to 40°C, wherein the de-browning solution c...

The invention relates to a system for controlling moisture content in a downstream fibre web passing through a drying section, the fibre drying section including a plurality of drying zones each of which maintained at a pre-determined temperature through a temperature controlled mechanism during operation, the syste...

ABSTRACT A cathode assembly resulting in an enhanced aluminium reduction cell performance in a smelting process [036] The present invention relates to a cathode assembly for an aluminium electrolysis cell. Specifically, the invention relates to a cathode block that results in an increased magnetohydrodynamic (MH...

ABSTRACT A method of 3D printing [024] The present invention relates to a method of 3D printing wherein two layers of concrete are printed in a perpendicular direction to each other by using two separate 3D printers having circular nozzles. Printing of these perpendicular layers is repeated alternately until a desi...

A method for plastering a wall surface. [023] The present invention provides a method for plastering a wall surface comprising of a positioning a formwork on a wall surface to define a gap between the formwork and the wall surface, the formwork contacting the wall surface on all sides except the top side of the for...

ABSTRACT A composition to repair cracks on a wall surface and a method of preparation thereof [030] The present invention relates to a composition to repair cracks on a wall surface. The composition provided is such that there is no need to first widened the crack and clean it of dirt. It reduced the multi-step p...

A method for 3D printing of concrete building component directly on a 3D printed concrete structure. [017] According to the present invention there is provided a method for 3D printing of concrete building component in a different plane with respect to a 3D printed concrete structure, comprising of positioning a m...

ABSTRACT A process for preparation of cellulose solution for spinning of fibres [040] The present invention relates to A process for preparation of cellulose solution, comprising the steps of a) mixing a pre-determined quantity of shredded cellulosic pulp to an aqueous zwitterionic liquid solvent; b) heating the s...

The present invention provides an apparatus for simultaneous grinding and screening (SGS) unit operations. The apparatus enhances selective grinding & screening of feed materials, thereby separating undesirable contents from the ores. The present invention also provides a simultaneous grinding and screening process ...

ABSTRACT A process to recover zinc from process effluent generated during rayon manufacturing process [024] The present invention related to a process to recover zinc from process effluent generated during rayon manufacturing process, comprising the steps of a) mixing said process effluent into a solvent mixture ...

ABSTRACT A glittering cementitious binder composition and a method of preparing the same The present invention relates to a glittering cementitious binder composition comprising cement in a range of 98 to 99.99% by weight of the composition and a glittering agent in a range of 0.1 to 2% by weight of the compos...

ABSTRACT Provided herein is a process for recovery of valuable metals from a compound containing vanadium and nickel comprising the steps of leaching the compound containing vanadium and nickel using an aqueous solution comprising of water and/or dilute mineral acid to obtain a leached slurry and filtering the le...

ABSTRACT Provided herein is a method to enhance the whiteness index of a white cement. The method comprises of partly substituting clay and mineralizer with aluminium dross during clinkerization. The replacement of aluminium dross in raw material for clinkerization augments the formation of alite and tri-calcium a...

The present invention relates to a process for reducing chemical oxygen demand (COD) in the range of 50-150 mg/L in an effluent discharged during viscose manufacturing. The untreated feed sample is collected in a feed tank wherein it is dosed with either Fenton reagent or Hypochlorite and is circulated through the h...

[026] The present invention relates to a method of isolation of refined fibre (RF) having degree of polymerization in the range of 700- 850 and tenacity of less than 10 g/denier from a banana pseudo-stem. The refined fibre has a total water holding capacity of 6 gm/gm to 8 gm /gm of fibre, total carbohydrate content...

Provided herein is a method of reducing degradation of a chelate during process of hydrogen sulphide removal comprising of, contacting a hydrogen sulphide containing gas stream with an aqueous solution comprising of a metal chelate and at least one stabilizer.

Provided herein is a far infrared reflecting cellulosic fiber comprising at least one additive integrated in the fiber structure, wherein the additive is at least one metal oxide selected from a group consisting of cerium oxide, calcium oxide, alumina, silica, magnesium oxide and ferric oxide or combination thereof....

Provided herein is a waste heat recovery boiler (100) assembly comprising, connected in a single enclosure. The boiler comprises of an inlet (5) for up taking of exhaust gas; a plurality of nozzles (8) placed along circulation path of exhaust gas; a radiation section (12) having a plurality of radiation screens (9);...

The invention relates to a high-yielding method of preparing dithiopyrophosphate comprising: (a) adding 4-(dialkylamino)pyridine and a base to a solution of neopentyl glycol in an organic solvent, and adding thiophosphoryl chloride at 60 to 80 °C for 1.5 to 3h followed by mixing at 70 to 90 °C for 3 to 5h; (b) cooli...

Provided herein is a method for precipitating alumina by using a mixing system having a multi-stage agitator, said agitator consisting of a vertical drive shaft having an impeller assembly coupled to said drive shaft, said impeller assembly comprise of a plurality of impellers having at least three hydrofoil blades ...

Provided herein is a process for producing a high-purity alumina, comprising the steps of: (a) sublimation of anhydrous aluminium chloride at a predetermined temperature to recover pure aluminium chloride; (b) dissolving aluminium chloride from step (a) in water to obtain aluminium chloride solution; (c) introducing...

The present invention relates to a coloured cement composition comprising white cemen and up to 1% of natural colorants, both mixed in water, wherein said natural colorants provid color and a retardation effect to the cement composition resulting in delay in final setting time The naturally occurring colorants ca...

The present invention relates to a fragrant cement composition comprising a mixture of cement and camphor, mixed in water, wherein said camphor is added to cement in the range of 5% to 55%, by weight of the cement. The present invention also relates to a method of preparing a fragrant cement composition comprising e...

ABSTRACT A process for manufacturing Lyocell filament yarn and an apparatus thereof. [039] The present invention relates to a process for manufacturing lyocell filament yarn with improved mechanical properties and an apparatus thereof. The process involves washing of filament yarn with sequential decrease in NMMO ...

ABSTRACT A METHOD OF IMPROVING METAL RECOVERY FROM DISCARDED SLAG Provided herein is a method for improving recovery of copper from slag in a slag cleaning furnace (SCF), comprising: (a) charging said slag cleaning furnace with smelting slag and converter slag (b) contacting said smelting slag and converter slag w...

The present invention relates to an apparatus for enhancing performance of an aluminium reduction cell in a smelting process. It comprises a current collector bar and a metal insert placed inside the collector bar. The material of construction of the inserts is different from the material of construction of the coll...

Provided herein is a compression recovery cellulosic fiber comprising at least one elastomeric polymer integrated in the fiber structure, wherein the elastomeric polymer is selected from a group consisting of natural and synthetic rubbers or thermoplastic elastomers or other polymers having elastomeric properties or...

Provided herein is a process for treating low grade phosphate rock. The process comprising: a) reacting phosphate rock with a solution of hydrochloric acid to form a slurry comprising an aqueous phase and a solid phase; b) filtering slurry of step (a) to separate said aqueous phase and said solid phase; (c) performi...

Provided herein is a method of reducing formation of elemental sulphur in a viscose process. The method comprises of carrying out ripening of viscose solution under inert conditions thereby inhibiting oxidation of viscose solution during ripening. The inert conditions comprise of vacuum and/or in presence of nitroge...

Provided herein is a transparent sealing composition comprising, at least one dispersing agent in the range of 0.2 to 2.0 wt%, at least one thickener in the range of 0.05-1.0 wt%, at least one hydrophilic polymer in the range of 0.01-0.15 wt%, ethylene oxide condensate of alkyl phenol in the range of 0.05-1.5 wt%, c...

Provided herein is a method for preparing a cellulosic product with flat cross-section comprising extruding a cellulose dope through a die having one or more four sided slit/s to obtain cellulose product with flat cross section. The ratio of slit inlet and outlet thickness to width is in the range between 0.0001-0.1...

Provided herein is a process of preparing a polylactic acid tape yarn, comprising of melting a blend of polylactic acid and at least one filler material in an extruder, extruding said blend of molten polylactic acid and filler through a die to obtain a film of polylactic acid, passing said film of polylactic acid th...

ABSTRACT METHOD OF ANALYZING THE IMPURITIES IN HIGH PURITY ALUMINA Provided herein is a method of analyzing the impurities in alumina sample. The method comprising the steps of: a) contacting said alumina sample with a reagent mixture comprising ortho phosphoric acid, hydrofluoric acid and water; b) heating mixtur...

The present disclosure describes a novel electrode comprising rGO/Bi2Sn2O7 composites leading to their higher electrochemical performance (capacity of over 1000 mAh/g) in Lithium-Ion battery device in contrast with Graphite (372mAh/g) and also Graphene (470 mAh/g) and even the Bi2Sn2O7 based anodes. Graphene-Bi2Sn2O...

The invention relates to demonstration of synthesis of copper nanoparticles from the solid wastes of the copper manufacturing plant such as mil-scales, slag and rejected cathodes. The process relates to retrieval of copper from wastes in the form of value added copper nanoparticles which could be used as an additive...

The present disclosure relates to a method to reduce elemental sulphur formation in the viscose process by use of metal compounds during the steeping/ xanthation / dissolution steps of the process. This disclosure relates to 0.01-1.0 w/w% of addition of metal compounds with respect to cellulose which reduces the for...

This invention relates to a process for producing low sodium alumina, said process comprising: digesting an aluminium feedstock with an acid at a temperature selected from 150-250?; treating the digested feedstock with a pH modifier to adjust the pH to a value between 4-5; adding a quinoline based organic reactant t...

The application of WD-XRF new analytical method for aluminumchlorohydrate (ACH) is discussed in the paper in-detail while addressing sample complexity, and instrument sensitivity to achieve reliable results. The complexity of the sample was well addressed by dissolve the samples with mineral acids and developed in-...

ABSTRACT A MULTI-FUNCTIONAL TEXTILE PRODUCT WITH FAR INFRARED REFELECTIVE PROPERTY The present invention relates to a far infrared reflective (FIR) additive, a multi-functional composition comprising the same, and a method of applying the multi-functional composition to a fabric.