Abstract: A catalyst composition suitable for use in aromatization of non-aromatic hydrocarbons comprises a shape-selective crystalline slicate such as ZSM-5 and a titanometallate-type layered metal oxide comprising a layered metal oxide and pillars of an oxide of at least one element selected from Groups IB, IIB, IIIA, IIIB, IVA, IVB, VA, VB, VIA, VIIA and VIIIA of the Periodic Table of the Elements separating the layers of the metal oxide where each layer of the metal oxide has the general formula[M.sub.x .sub.y Z.sub.2-(x+y) O.sub.4 ].sup.

Abstract: A catalyst composition suitable for use in aromatization of non-aromatic hydrocarbons comprises a shape-selective crystalline silicate such as ZSM-5 and a titanometallate-type layered metal oxide comprising a layered metal oxide and pillars of an oxide of at least one element selected from Groups IB, IIB, IIIA, IIIB, IVA, IVB, VA, VB, VIA, VIIA and VIIIA of the Periodic Table of the Elements separating the layers of the metal oxide where each layer of the metal oxide has the general formula[M.sub.x .quadrature..sub.y Z.sub.2-(x+y) O.sub.4 ].sup.q-wherein M is at least one metal of valence n wherein n is an integer between 0 and 7, .quadrature.represents a vacancy site, Z is a tetravalent metal, and whereinq=4y-x(n-4)O<x+y<2.

Abstract: There is provided a process for redispersing agglomerated noble metals such as platinum over the surface of certain tetrahedral crystalline oxides containing oxides of aluminum and phosphorus. Examples of such crystalline oxides include aluminophosphate (i.e. AlPO.sub.4 s), silicoaluminophosphates (i.e. SAPOs), ELAPSOs, MeAPOs, FeAPOs, TiAPOs and FCAPOs. The agglomerated noble metals may be redispersed by containing the supported noble metal with a suitable treating agent such as a stream of gas comprising molecular chlorine.

Abstract: There is provided a process for converting propane to ethylene over a zeolite catalyst comprising ZSM-23. This zeolite may be contacted with an anhydrous acidic oxide gas capable of accepting hydrogen by reacting therewith, such as sulfur dioxide (SO.sub.2), in order to enhance the ethylene selectivity of the conversion. The zeolite may either be pretreated with this acidic oxide gas or contacted in situ by cofeeding the acidic oxide gas along with the propane reactant. Particularly in view of the tendency of zeolites such as ZSM-5 to further convert olefins produced into aromatics and other hydrocarbons, the large degree of ethylene selectivity achieved by the process of the present invention is surprising.

Abstract: Organic-swelled layered metal chalcogenide is intercalated with polymeric chalcogenide by contacting with a hydrolyzable polymeric chalcogenide precursor under an inert atmosphere, e.g., nitrogen to minimize formation of extralaminar polymeric chalcogenide. The chalcogenide precursor is then hydrolyzed.

Abstract: There is provided a process for converting a C.sub.5 -C.sub.10 paraffinic feedstock such as a Udex reffinate into other hydrocarbons including C.sub.6 -C.sub.8 aromatics, C.sub.2 -C.sub.4 olefins, C.sub.9.sup.+ aromatics and C.sub.1 -C.sub.3 paraffins. By using a catalyst comprising (1) a binder and (2) ZSM-5 or ZSM-11, said catalyst having low acid catalytic activity as measured by an alpha value of 25 or less, the selectivity to the more desired C.sub.6 -C.sub.8 aromatics and C.sub.2 -C.sub.4 olefins is increased. The low alpha value of the catalyst may be achieved by deactivating the catalyst under conditions comprising steaming, high temperature calcining and/or coking.

Abstract: A method is provided for converting feedstock comprising paraffins by selective oxidative coupling to product comprising higher hydrocarbons including dimers of said feedstock paraffins which comprises contacting said feedstock with a catalyst composition comprising a thermally stable layered metal chalcogenide having adjacent layers separated by chalcogenide pillars, and an alkali metal.

Abstract: A process is disclosed for converting a methanol and/or methyl ether-containing reactant feed along with a hydrogen-containing gaseous diluent to a light olefin-containing product over a ZSM-45 aluminosiloicate zeolite based catalyst composition. By using such ZSM-45 zeolite catalysts, methanol and/or methyl ether can be advantageously converted to an olefin-containing hydrocarbon product enriched in C.sub.2 to C.sub.4 olefins. The hydrogen-containing gaseous diluent is co-fed to the conversion reaction zone and the conversion reaction is conducted at a pressure of at least about 3 atmospheres in order to enhance catalyst lifetime.

Abstract: Alumina-composited zeolite catalysts are activated by contact with an aqueous ammonium solution under ammonia gas pressure such that a pH of at least about 8 is maintained in the solution. The treated zeolite may thereafter be calcined without prior ammonium-exhange to provide the zeolite in the hydrogen form. Catalysts which are activated in this manner are useful for converting alcohols and/or ethers to hydrocarbons including aromatics.

Abstract: A process for producing substantially linear hydrocarbons by oligomerizing a lower olefin at elevated temperature and pressure which comprises contacting the lower olefin under oligomerization/polymerization conditions with siliceous acidic ZSM-23 zeolite having Bronsted acid activity; wherein the zeolite has acidic pore activity and wherein the zeolite surface is rendered substantially inactive for acidic reactions. The zeolite surface can be neutralized by a bulky pyridine compound having an effective cross-section larger than the zeolite pore. The preferred deactivating agent is 2,4,6-collidine, which may be applied to the zeolite as a pretreatment or added with olefin feed in a continuous process. The olefin oligomers may be used as alkylating agents to prepare biodegradable alkylbenzenes and alkylphenylsulfonates. A preferred catalyst for this alkylation reaction is dealuminized mordenite.

Abstract: A process for the production of ethers from an olefin containing feedstock. The process includes two-stages for the production of ethers which comprises, in a first stage, isomerizing an olefin containing feedstock over a thermally stable layered metal oxide type catalyst having interspathic polymeric silica between the layers so as to produce iso-olefins and then, in a second stage, reacting the resultant iso-olefins with alcohols in the presence of an etherification catalyst so as to produce ethers from the iso-olegins.

Abstract: A method for hydrotreating residual oil which comprises utilizing a hydrotreating catalyst which contains a thermally stable composition comprising a layered metal oxide containing an interspathic polymeric oxide having a d-spacing of at least about 10 angstroms at hydrotreating conditions. Said conditions include temperature ranging from about 357.degree. C. to 454.degree. C. (675.degree. F. to 850.degree. F.), a hydrogen partial pressure of at least about 2860 kPa (400 psig) and a liquid hourly space velocity ranging between about 0.1 and 10 hr.sup.-1.

Abstract: There is provided a process for preparation of crystalline microporous silicoaluminophosphates. The process involves the incorporation of a silicate complexing agent, such as fluoride, into an aqueous reaction mixture.

Abstract: There is provided a method for activating preformed, crystalline aluminum phosphates by combining these aluminum phosphates with an activating metal oxide, such as silica, and water under conditions, such as mulling, sufficient to increase the acid catalytic activity of the material.

Abstract: There is provided a catalyst comprising a zeolite component and a microcrystalline, microporous aluminum phosphate component. Examples of the zeolite component are ZSM-5 and zeolite Beta, and an example of an aluminum phosphate component is AlPO.sub.4 -5. The aluminum phosphate component provides increased catalyst activity and lifetime. Also provided for in this disclosure are a method for making the zeolite/aluminum phosphate composite and a process for using this composite in the preparation or conversion of hydrocarbons, e.g., in a dewaxing process.

Abstract: A process is disclosed for converting a methanol-containing feed to a light olefin-containing product over a ZSM-12 zeolite catalyst, preferably modified by incorporation of either magnesium, manganese or both magnesium and manganese. By using such Mg and/or Mn-modified ZSM-12 zeolite catalysts, methanol and/or methyl ether can be converted to an olefin-containing hydrocarbon product enriched in C.sub.2 to C.sub.4 olefins and especially enriched in the particular light olefin propylene.

Abstract: There is provided a process for producing aromatic hydrocarbons. The process involves contacting one or more non-aromatic compounds, such as propane, propylene, or methanol, with a catalyst containing a zeolite, such as ZSM-5. The zeolite is modified with phosphorus oxide by impregnating the zeolite with a source of phosphate ions, such as an aqueous solution of an ammonium phosphate, followed by calcination.

Abstract: A fast fluidized bed regenerator of an FCC apparatus is improved by incorporating into the regenerator an internal riser, for more complete combustion of coke, and by providing a means of preventing catalyst flow reversals between the spent and regenerated beds of the catalyst.

Abstract: Zeolite supported, organochromium based catalyst compositions are provided which are especially suitable for the polymerization of 1-olefins such as ethylene. Pi-bonded organochromium [II] compounds such as chromocene (dicyclopentadienyl chromium) are reacted with ZSM-5 type zeolites to produce such novel catalysts.

Abstract: This invention relates to a method for preparing a synthetic porous crystalline aluminosilicate zeolite, characterized as zeolite ZSM-45. This crystalline material may have a silica to alumina molar ratio of at least 8. This synthetic zeolite is analogous, in some respects, to the naturally occurring zeolite, levynite. The ZSM-45 zeolite is prepared with a dimethyldiethylammonium directing agent. ZSM-45 exhibits a characteristic X-ray diffraction pattern.