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: Compositions of stabilized stereoregular polymer of branched higher alpha-olefins, grafting compounds, free radical generators, glass and epoxy resins and/or epoxy-functional silanes and/or hydroxy functional compounds are provided as well as methods for making these compounds and articles thereof.

Abstract: A process for separating polar substances (preferably water, alcohols, ethers, aldehydes, nitriles) from hydrocarbon fluids employs a sorbent comprising aluminum borate and zirconium borate. Preferably, the sorbent composition has been prepared by coprecipitation.

Abstract: Glass reinforced of epoxy modified styrene/styrene copolymer and one or more polymers of styrene, are provided.Methods of making these blends and articles made therefrom are provided.

Abstract: C.sub.4 -C.sub.15 alkanes (preferably C.sub.4 -C.sub.8 alkanes) are disproportionated in the presence of at least one alkylaluminum chloride (preferably isobutylaluminum dichloride), at least one chloroalkane (preferably carbon tetrachloride), and at least one solid material (selected from a group comprising alumina, silica, aluminosilicates, various other aluminum compounds, various boron compounds, and sulfonated styrene polymers).

Abstract: An alkane/fluoroalkane feed is treated with an acidic alumina to reduce the amount of fluoroalkane(s) in the feed. In a particularly preferred embodiment, the feed is treated with a sulfur-containing alumina so as to convert a major portion of fluoroalkane(s) to higher alkane(s).

Abstract: A zeolite-containing cracking catalyst is passivated with lithium sulfate and, preferably, at least one additional passivating agent (more preferably at least one antimony compound). The thus-passivated cracking catalyst is employed in a process for catalytically cracking a hydrocarbon-containing oil feed. In another embodiment, lithium sulfate and, preferably, at least one additional passivating agent are added to a hydrocarbon-containing oil feed which is catalytically cracked in the presence of a zeolite-containing cracking catalyst.

Abstract: A process for converting catalytic cracking catalyst fines to a shaped composition comprises acid-treatment of catalytic cracking catalyst fines, followed by separation and drying of the acid-treated fines; preparing a shapable mixture by mixing the dried catalyst fines with calcium aluminate, sodium silicate, phosphoric acid and water; shaping (preferably extruding) the obtained shapable mixture; and drying and thereafter calcining the obtained shaped particles. A shaped composition having high crash strength is obtained by this process.

Abstract: A zeolite-containing cracking catalyst is passivated with compounds of (a) antimony and (b) zirconium and/or tungsten. The thus-passivated cracking catalyst is employed in a process for catalytically cracking a hydrocarbon-containing oil feed. In another embodiment, compounds of (a) antimony and (b) zirconium and/or tungsten are added to a hydrocarbon-containing oil feed which is catalytically cracked in the presence of a zeolite-containing cracking catalyst.

Abstract: A process for simultaneously producing C.sub.5 -C.sub.12 alkane(s) and C.sub.5 -C.sub.8 tertiary alkyl ether(s) employs a liquid feed mixture containing (a) at least one C.sub.4 -C.sub.7 isoalkane, (b) at least one second reactant which is at least one C.sub.4 -C.sub.8 isoalkane, and/or at least one C.sub.4 -C.sub.8 tertiary alkyl alcohol, and (c) at least one C.sub.1 -C.sub.6 linear alkyl alcohol, wherein the liquid feed mixture is contacted at effective reaction conditions with a catalyst consisting essentially of trifluoromethanesulfonic acid and a specific solid carrier material (preferably alumina).

Abstract: Solid waste material which contains arsenic and/or mercury impurities is encapsulated in a cured polysulfide polymer so as to alleviate leaching of arsenic and/or mercury into aqueous liquids. Preferably, the solid waste material is first extracted with an alcohol such as ethanol or, alternatively, treated with an oxidizing agent such as aqueous hydrogen peroxide and then substantially dried before the encapsulation with the polymer is carried out.

Abstract: A solid combination of elemental sulfur and an inorganic support material (preferably alumina), is contacted with at least one liquid C.sub.5 -C.sub.12 alkane and/or cycloalkane, followed by substantially removing the C.sub.5 -C.sub.12 hydrocarbon from the thus-contacted solid combination of elemental sulfur and inorganic support. This process improves the trialkyl arsine absorption capacity of the solid combination.

Abstract: Novel compositions, being effective as catalysts for alkane and/or cycloalkane isomerization, are prepared by a method which includes the steps of impregnating alumina with a sulfate of at least one metal selected from the group consisting of copper, iron, cobalt, nickel, manganese, zinc and magnesium, calcining the thus-obtained impregnated alumina materials, and heating the calcined materials with AlCl.sub.3 and at least one chlorinated hydrocarbon (preferably CCl.sub.4) at a temperature of about 40.degree.-90.degree. C. Preferably, this method also includes a step of treating the calcined impregnated alumina materials with gaseous hydrogen chloride before the heating with AlCl.sub.3 and the chlorinated hydrocarbon(s) is carried out.

Abstract: A composition of matter comprises trifluorometbanesulfonic acid and a solid inorganic material which contains aluminum borate and aluminum oxide, This composition is used as a catalyst for alkylating at least one C.sub.2 -C.sub.10 alkane (preferably isobutane and/or an isooctane) with at least one C.sub.2 -C.sub.10 alkene (preferably pentene-1 and/or hexene-1).

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: Materials which have been prepared by a method which includes the steps of (1) impregnating alumina with a sulfate of at least one metal selected from the group consisting of copper, iron, cobalt, nickel, manganese, zinc and magnesium, (2) calcining the thus-obtained impregnated alumina materials, and (3) heating the calcined materials with AlCl.sub.3 and at least one chlorinated hydrocarbon (preferably CCl.sub.4) at a temperature of about 40.degree.-90.degree. C. are employed as catalysts in the isomerization of C.sub.5 -C.sub.10 cycloalkanes (preferably methylcyclopentane). A select group of the thus-prepared materials are employed as catalysts in the isomerization of C.sub.4 -C.sub.10 alkanes (preferably n-pentane and 2-methylbutane). Preferably, the catalyst preparation method also includes a step of treating the calcined impregnated alumina materials with gaseous hydrogen chloride before they are heated with AlCl.sub.3 and the chlorinated hydrocarbon(s).

Abstract: A composition of matter comprises trifluoromethanesulfonic acid on a solid support material which contains boron phosphate and/or boron sulfate. Preferred support materials are boron phosphate, boron phosphate-coated silica and boron sulfate-coated silica. The above composition is used as a catalyst for alkylating at least one C.sub.2 -C.sub.7 alkane (preferably isobutane or an isopentane) with at least one C.sub.2 -C.sub.7 alkene (preferably butene-2).

Abstract: A liquid tin-containing antifoulant composition is injected into a metal-walled thermal cracking reactor tube, concurrently with the injection of a gaseous stream (preferably a steam-diluted C.sub.2 -C.sub.4 alkane stream), through a nozzle of an injection quill which is positioned in the center region of the reactor tube substantially parallel to the flow of the gaseous stream.A liquid tin-containing antifoulant is injected into a metal-walled thermal cracking reactor tube through a nozzle of an injection quill at a temperature of about 1000.degree.-1300.degree. F. while a gaseous stream (preferably a steam-diluted C.sub.2 -C.sub.4 alkane stream) flows through the reactor tube, followed by raising the temperature to about 1400.degree.-1800.degree. F. Preferably, the metal walls of the reactor tube are treated with steam after the antifoulant injection at about 1000.degree.-1300.degree. F. but before the antifoulant injection at about 1400.degree.-1800.degree. F.

Abstract: In one embodiment of this invention, a process for alkylating C.sub.3 -C.sub.6 alkanes (paraffins) with C.sub.3 -C.sub.6 alkenes (monoolefins) employs a catalyst composition which has been prepared by heating a mixture consisting essentially of aluminum chloride, at least one metal sulfate (CuSO.sub.4, FeSO.sub.4, NiSO.sub.4, MgSO.sub.4, CaSO.sub.4 or combinations thereof), at least one inorganic refractory support material (alumina, silica, silica-alumina, aluminum phosphate, aluminum phosphate/oxide or combinations thereof), and at least one chlorinated hydrocarbon (preferably carbon tetrachloride). In another embodiment of this invention, a process for alkylating C.sub.3 -C.sub.6 alkanes with C.sub.3 -C.sub.6 alkenes employs a catalyst which has been prepared by heating a mixture consisting essentially of aluminum chloride, aluminum phosphate, silica, and at least one chlorinated hydrocarbon (preferably carbon tetrachloride).