A method for purification of ethylene-containing feed streams from steam crackers or fluid catalytic crackers (FCC), wherein the feed streams further comprises hydrogen, carbon monoxide, acetylenes, oxygen, nitrogen oxides, is disclosed. The method comprises contacting an ethylene-comprising gas stream with a Ru-bas...

A process for the sulfidation of a sour gas shift catalyst, wherein ihe temperature of the sulfidation feed stream is coordinated with the sulfur/hydrogen molar ratio in that feed stream to obtain enhanced performance of the sour gas shift catalyst. In the sulfidation process to produce a sour gas shift catalyst, th...

The present development is a catalyst for use in water gas shift processes, a method for making the catalyst and a method of using the catalyst. The catalyst is composed of iron oxide, copper oxide, zinc oxide, alumina, and optionally, potassium oxide, and is produced using a hydrothermal synthesis process. The cata...

A calcium-aluminate cement based catalyst support having a cross-sectional diameter as small as 0.5 mm and as large as 1.6 mm wherein said particles are formed by extrusion or pelletizing is disclosed.

A process for converting a sugar, sugar alcohol, or glycerol to a valuable chemical is described. The process may use a support comprising zirconium oxide promoted by a polyacid or promoter material. A catalytically active metal may be impregnated on the  polyacid-promoted zirconium oxide support and the catalyst ma...

A polyacid-promoted, zirconia catalyst or catalyst support having a high crush strength, surface area and pore volume is described. The polyacid-promoted, zirconia catalyst or catalyst support may be made by combining a zirconium compound with a polyacid/promoter material that includes the Group 6 metals (i.e., chro...

A catalyst for selective hydrogenation of acetylenes and diolefins, particularly in a raw gas feed stream for front end selective hydrogenation. The catalyst contains a low surface area carrier with a surface area from 2 - 20 m2/g, wherein the pore volume of the pores of the carrier is greater than 0.4 cc/g, wherein...

The present invention relates to a catalyst for the Fischer-Tropsch process, said catalyst comprising a catalyst particle, which comprises at least one metal that is an efficient carbon monoxide adsorbed and at least one promoter, dispersed on a support to form said catalyst particle, said particle comprising cobalt...

A method for producing a high surface area iron material starting with a low surface area iron metal is disclosed. The iron material of the present invention has a surface area of at least about 200 m2/g, and is prepared via a method which comprises reacting a low surface area iron metal with oxygen and an organi...

The present development relates to a catalyst composition for the selective hydrogenation of acetylene and to a method for preparing the catalyst. The catalyst comprises iridium, palladium and, optionally, at least one of the elements selected from the group consisting of silver, gold, copper, zinc and tin. In a p...

The present development is a method for generating pure hydrogen from an organic acid solution and a zero-valent metal. By reacting the metal with the organic acid rather than a mineral acid, hydrogen generation occurs at a gradual and more consistent rate than is observed by prior art methods, making the present...

The present invention relates to a process for producing hydrocarbons employing catalyst particles supported on a stabilized catalyst support with an enhanced hydrothermal stability, comprising: reacting a feed gas comprising carbon monoxide and hydrogen under conversion promoting conditions in the presence of a su...

The present invention relates to a method for making a catalyst precursor with an enhanced hydrothermal stability, comprising: a) shaping a material comprising a crystalline hydrous alumina precursor to form a shaped alumina precursor material in the form of particles with a desired average particle size, wherein t...

The present invention relates to a method for making a catalyst precursor with enhanced hydrothermal stability, comprising: providing a material comprising a crystalline hydrous alumina precursor, wherein the crystalline hydrous alumina precursor comprises at least one crystalline boehmite having an average crystal...

The present development relates to a process for enrobing active catalytic materials with a protective coating to form pastilles, and to an apparatus for making the pastilles. The process comprises mixing an active catalyst powder with a hydrocarbon material in a low-shear jacketed blender at a temperature slightly ...

A method for producing a catalyst for use in the dehydrogenation of ethylbenzene to styrene is disclosed. The catalyst of the present invention comprises a high purity metal and at least one promoter in the form of solid oxides, oxide hydrates, hydroxides, hydroxycarbonates or metals. The catalyst is prepared via a ...

A desiccant composition for moisture absorption in a high humidityatmosphere of a relative humidity of greater than 50 % comprisinga deliquescent salt and a modified starch, wherein the, whereindeliquescent salt comprises at least about 5 to about 95 percent ofthe composition by weigh...

The present invention relates to a catalyst for the Fischer- Tropsch process, said catalyst comprising a catalyst particle, which comprises at least one metal that is an efficient carbon monoxide adsorber and at least one promoter, dispersed on a support to form said catalyst particle, said particle comprisi...