Abstract: The invention relates to catalytic treatment of paraffin feeds to alter the hydrogen content of the feed, for example, by producing effluents the aromatic content of which exceeds that of the feed in which the catalyst is a non-acidic composition containing a strong dehydrogenation/hydrogenation metal and zeolite beta in non-acidic form.

Abstract: Benzene reacts with itself to produce liquid aromatic compounds having more than 6 carbon atoms, in the presence of zeolite characterized as a medium pore size and having an activity defined by an alpha value of at least 50.

Abstract: Disproportionation of toluene with high conversion thereof to produce benzene and xylenes is accomplished by subjecting toluene to disproportionation conditions in the presence of a catalyst comprising a crystalline silicate or crystalline aluminosilicate zeolite containing framework gallium, said zeolite having a silica to alumina ratio of at least about 12 and a constraint index, as hereinafter defined, within the approximate range of 1 to 12.

Abstract: A catalytic dehydrogenation to produce the unsaturated analogs of aliphatic compounds with high process selectivity for the unsaturated analog production. The catalytic dehydrogenation comprises contacting the aliphatic compound, under dehydrogenation conditions, with a catalyst composition comprising a dehydrogenation metal and indium containing non-acidic crystalline microporous material.

Abstract: A process selective for converting dimethylhexanes to aromatic analogs is described. Application of the exhibited selectivity of the process allows upgrading alkylate dimethylhexane(s) of low RON to produce higher RON analogs without affecting changes in other components of the alkylate. The catalysts preferred comprise platinum and non-acidic supports such as [Sn]ZSM-5 and [In]ZSM-5.

Abstract: The catalyst composition comprises a layered metal oxide and/or sulfide of a metal selected from the group consisting of Group VB and VIB metals and containing inserted atomic hydrogen therein, with no chemical bond between said atomic hydrogen and anionic oxygen or anionic sulfur of the oxide or sulfide. It is useful for demetallizing resids.

Abstract: A new xylene isomerization process which is capable of converting ethylbenzene and non-aromatic exhaustively while selectively converting xylenes to thermal equilibrium in mixed EB/xylene feeds is proposed. The new process employs a two component catalyst system; each of the components contains a strong hydrogenation metal and a zeolite. The zeolite of each of the two components differs from the other in its selectivity for xylene isomerization and its capacity to deethylete ethylbenzene. That selectivity for xylene isomerization is described by xylene diffusion properties of the zeolite.

Abstract: A process scheme for the recovery of high purity p-xylene or p-xylene and ethyl benzene from C.sub.8 aromatics is described. In the process, zeolites such as ZSM-5 type, zeolite beta and ZSM-11 with optimum silica alumina ratio is used as the adsorbent and light hydrocarbons, such as C.sub.5 is used as the desorbent. The process system is operated isothermally at low temperature and low pressures.

Abstract: Catalytic dewaxing of wax containing hydrocarbon feedstocks is undertaken in the presence of a catalyst composition comprising a dehydrogenation metal in combination with a non-acidic microporous crystalline material containing tin to maximize liquid yield.

Abstract: A catalytic process is provided for converting C.sub.2 to C.sub.12 aliphatic hydrocarbons to aromatics by contacting them under conversion conditions with a crystalline zeolite catalyst having a Constraint Index of about 1 to 12 and containing gallium. Preferably, the zeolite is a low acidity zeolite. In certain embodiments, gallium is inserted into the zeolite framework. Gallium can also be deposited, exchanged or impregnated into the zeolite.

Abstract: A catalytic dehydrogenation to produce the unsaturated analogs of aliphatic compounds with high process selectivity for the unsaturated analog production. The catalytic dehydrogenation comprises contacting the aliphatic compound, under dehydrogenation conditions, with a catalyst composition comprising a dehydrogenation metal and tin containing non-acidic crystalline microporous material.

Abstract: A process is provided for transalkylation of polyalkylaromatics over a catalyst comprising a molecular sieve having a high lattice aluminum content whereby its silica/alumina mole ratio is less than 40 and an alpha value of at least about 140.

Abstract: An improved, low-pressure reforming process based on non-acidic metal containing crystalline microporous catalyst, in which the feed is a naptha rich in C.sub.6 -C.sub.7 low octane hydrocarbons, such as paraffins, and in which the reformate has increased aromatic content and increased octane value over that of the feed.

Abstract: This invention provides process embodiments for shape-selective oxidation of cyclic ketones to lactone and/or omega-hydroxycarboxylic acid products in the presence of a zeolite catalyst composition such as ZSM-5 or zeolite Beta.Cyclohexanone can be converted to epsilon-caprolactone or 6-hydroxycaproic acid as a main product under selected conditions.

Abstract: Non-acid microporous crystalline indium containing materials are combined with Group VIII metal such as platinum to produce catalysts which exhibit high selectivity for dehydrocyclization of C.sub.5.sup.+ paraffins and which exhibit little, if any, cracking activity for hexane and heptane.

Abstract: The invention relates to catalytic treatment of paraffin feeds to alter the hydrogen content of the feed, for example, by producing effluents the aromatic content of which exceeds that of the feed in which the catalyst is a non-acidic composition containing a strong dehydrogenation/hydrogenation metal and zeolite beta in non-acidic form.

Abstract: A fluid catalytic cracking method which comprises:(a) cracking a hydrocarbon feed stock in the presence of a mixed catalyst system which comprises particles of a first, amorphous cracking catalyst and/or large crystalline cracking catalyst component which requires frequent regeneration in a catalyst regeneration zone and particles of a second, shape selective crystalline silicate zeolite catalyst component which is less coke deactivated than the first catalyst component and requires less frequent regeneration than the latter, there being a sufficient difference between one or more of the characterizing physical properties of each catalyst component that the rate of circulation of particles of second catalyst component through the regeneration zone is, on the average, less than that of particles of first catalyst component, said cracking providing a product rich in C.sub.2-6 olefins; and,b) catalytically converting C.sub.2 -C.sub.6 olefins obtained from step (a) to a product containing gasoline and distillate.

Abstract: The present invention discloses a catalytic cracking process featuring at least one riser reactor, at least one stripping unit and at least one regenerator, which comprises:(a) cracking a C.sub.

Abstract: A mixed catalyst system is disclosed which comprises particles of a first, component which requires frequent regeneration in a catalyst regeneration zone and particles of a second catalyst component which is less coke deactivated than the first catalyst component and requires less frequent regeneration than the latter, there being a sufficient difference between one or more of the characterizing physical properties of each catalyst component that the rate of circulation of particles of second catalyst component through the regeneration zone is, on the average, less than that of particles of first catalyst component.

Abstract: Long chain (C.sub.7+) paraffins are isomerized over a large pore, highly siliceous zeolite catalyst such as zeolite Y or ZSM-20 having a structural silica:alumina ratio of at least 10:1. The use of the highly siliceous zeolite inhibits the degree of cracking and also permits weaker hydrogenation components such as palladium to be used in the catalyst.