Abstract: A composition and method of making a strength enhanced composition are described. The composition comprises zinc oxide, silica and colloidal oxide solution. The colloidal oxide solution is utilized as a binding agent to provide a strength enhanced absorbent composition that can be utilized in an absorption process for the purpose of removing sulfur contaminants from fluid streams.

Abstract: A sorbent composition is provided comprising: (a) a zinc component; (b) a colloidal oxide component; and (c) a metal oxide component. This sorbent composition can be subjected to a steaming treatment that improves its sulfur loading capability.

Abstract: A sorbent composition is provided comprising: (a) a zinc component; (b) a colloidal oxide component; and (c) a metal oxide component. This sorbent composition can be subjected to a steaming treatment that improves its sulfur loading capability.

Abstract: A process to make a sorbent composition said process comprising: (a) contacting (i) at least one zinc component, where said zinc component consists essentially of zinc oxide, or a compound convertible to zinc oxide, (ii) at least one silica component, where said silica component consists essentially of silica, or a compound convertible to silica, (iii) at least one colloidal oxide component, where said colloidal oxide component consists essentially of particles of a metal oxide where said metal oxide is selected from the group consisting of alumina, silica, titania, zirconia, tin oxide, antimony oxide, cerium oxide, yttrium oxide, copper oxide, iron oxide, manganese oxide, molybdenum oxide, tungsten oxide, chromium oxide, and mixtures thereof, (iv) at least one pore generator component, wherein the amount of pore generator is from 1 to about 15 weight percent based on the total weight of said sorbent composition, and wherein said sorbent composition consists essentially of components (a)(i) through (a)(iv) to

Abstract: A process to rejuvenate a spent sorbent to produce a rejuvenated sorbent is provided. This process comprises: (a) contacting a spent sorbent with a zinc composition that comprises zinc oxide, or a precursor to zinc oxide, to form a contacted composition; (b) drying said contacted composition at a temperature in the range of about 25.degree. C. to about 375.degree. C. for a time period in the range of about 1 minute to about 24 hours, to form a dried, contacted composition; and (c) calcining said dried, contacted composition at a temperature in the range of about 400.degree. C. to about 800.degree. C. for a time period in the range of about 1 minute to about 24 hours, to form said rejuvenated sorbent.

Abstract: A process to produce a sorbent composition is provided. This process comprises: (a) contacting a zinc component, an alumina component, and a dispersant component, to form a mixture; and then (b) spray drying said mixture to form particles; and then (c) contacting said particles with a zinc compound, wherein said zinc compound is zinc oxide, or it is a compound convertible to zinc oxide, to form a sorbent composition.

Abstract: Provided is an improved process for removing hydrogen sulfide from fluid streams by contacting a hydrogen sulfide contaminated fluid stream with a novel fluidizable sorbent composition comprising zinc oxide, alumina and silica. Further provided is a novel method for producing a fluidizable sorbent composition containing zinc oxide, alumina and silica.

Abstract: In a process for preparing a dehydrogenation catalyst of the type in which a support comprising zinc aluminate is impregnated with at least one of platinum and tin from an impregnation solution, the improvement comprises simultaneously impregnating the support with the platinum and the tin by contacting the support with an impregnation solution which comprises, in solution, a tin compound, a platinum compound, and carboxylic acid. The thus prepared catalyst can be employed in the dehydrogenation of at least one alkane containing 2-8 carbon atoms per molecule in the presence of steam.

Abstract: In a process for preparing a dehydrogenation catalyst of the type in which a support comprising zinc aluminate is impregnated with at least one of platinum and tin from an impregnation solution, the improvement comprises simultaneously impregnating the support with the platinum and the tin by contacting the support with an impregnation solution which comprises, in solution, a tin compound, a platinum compound, and a carboxylic acid. The thus prepared catalyst can be employed in the dehydrogenation of at least one alkane containing 2-8 carbon atoms per molecule in the presence of steam.

Abstract: Hydrogen sulfide is removed from a gas by contacting it with an absorbent composition consisting essentially of a mixed oxide of iron, zinc and nickel and an inorganic binder.

Abstract: A process for the double bond isomerization of olefinic compounds is provided comprising contacting an olefinic compound and a sulfated zirconia catalyst.

Abstract: A catalytic composite comprising a combination of catalytically effective amounts of a platinum component, optionally a second metal component such as tin or rhenium, and a halogen component with a porous carrier support material is disclosed. The platinum, second metal (if present) and halogen components are present in the catalytic composite in amounts, calculated on an elemental basis, of about 0.2 to about 0.4 wt. percent platinum metal, about 0.2 to about 0.5 wt. percent the second metal, and 0.5 to about 1.5 wt. percent halogen. Moreover, the metallic components are substantially uniformly distributed throughout the porous carrier support material. The support material is spherical gamma alumina having a characteristic pore structure including "superpores" (200-10,000 nm or greater) interconnected with "mesopores" (5-20 nm), wherein 80% or more of the pore volume (N.sub.2) resides in pores of less than 150 .ANG..

Abstract: Provided is an improved process for removing hydrogen sulfide from fluid streams by contacting hydrogen sulfide contaminated fluid streams with a novel composition comprising zinc oxide and a diatomite material coated with a colloidal oxide. Additionally, a novel method for producing a composition comprising the steps of coating a diatomite material with a colloidal oxide solution followed by mixing the thus coated diatomite material with zinc oxide to form a paste is further provided.

Abstract: Shaped zirconia particles are prepared by mixing zirconia powder with an aqueous colloidal zirconia solution or an aqueous acid solution so as to obtain a shapable mixture containing about 4-40 weight-% water, shaping this mixture, and heating the shaped particles at a temperature in excess of about 90.degree. C.

Abstract: Hydrogen sulfide is removed from a gas by contacting it with an absorbent composition consisting essentially of a mixed oxide of iron, zinc and nickel and an inorganic binder.

Abstract: A composition is prepared by mixing at least one aluminum halide (preferably AlCl.sub.3), at least one copper(II) salt (preferably CuCl.sub.2), calcium aluminate and at least one alcohol (preferably ethanol), shaping the mixture, and drying the shaped particles. The thus-obtained catalyst composition can be employed as a catalyst in the isomerization of alkanes and/or cycloalkanes.

Abstract: A process for dehydrogenating C.sub.2 -C.sub.8 alkanes in the presence of steam and a catalyst composition containing zinc aluminate, a tin oxide and platinum, wherein the zinc aluminate support material has been prepared by calcining zinc oxide and a hydrated alumina (so as to alleviate coking during the dehydrogenation process).

Abstract: A catalyst composition is prepared by mixing at least an aluminum halide (preferably AlCl.sub.3), at least one copper(II) salt (preferably CuCl.sub.2), calcium aluminate and at least one alcohol (preferably ethanol), shaping the mixture, and drying the shaped particles. The thus-obtained catalyst composition is employed in the isomerization of alkanes and/or cycloalkanes.

Abstract: A catalytic composite comprising a combination of catalytically effective amounts of a platinum component, optionally a second metal component such as tin or rhenium, and a halogen component with a porous carrier support material is disclosed. The platinum, second metal (if present) and halogen components are present in the catalytic composite in amounts, calculated on an elemental basis, of about 0.2 to about 0.4 wt. percent platinum metal, about 0.2 to about 0.5 wt. percent the second metal, and 0.5 to about 1.5 wt. percent halogen. Moreover, the metallic components are substantially uniformly distributed throughout the porous carrier support material. The support material is spherical gamma alumina having a characteristic pore structure including "superpores" (200-10,000 nm or greater) interconnected with "mesopores" (5-20 nm), wherein 80% or more of the pore volume (N.sub.2) resides in pores of less than 150 .ANG..