Abstract:
Bismuth- and phosphorus-containing catalyst supports, naphtha reforming catalysts made from such supports, methods of making both support and catalyst, and a naphtha reforming process using such catalysts.
Abstract:
A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds is disclosed. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes an effective amount of at least one Group 8, 9, or 10 metal source; an effective amount of at least one bromide composition; an effective amount of at least one activating organic solvent; an effective amount of a combination of inorganic co-catalysts comprising at least one titanium source and at least one copper source; and an effective amount of at least one base.
Abstract:
The invention is relative to a method of producing hydrogen peroxide by direct synthesis in which hydrogen and oxygen are reacted in the presence of a heterogeneous, carrier-free or carrier-bound catalyst containing at least one noble metal in the presence or absence of a solvent and to a catalyst for carrying out the method. The use of a halide promoter and/or of a mineral acid can be avoided by using a noble-metal catalyst containing an inorganic iodine compound in an amount corresponding to 0.01 to 15% by weight iodine relative to the noble-metal content.
Abstract:
A catalyst composition comprising an inorganic support material, a palladium component, a silver component, and a promotor component having the formula XYFn, wherein X is an alkaline metal, Y is an element selected from the group consisting of antimony, phosphorus, boron, aluminum, gallium, indium, thallium, and arsenic, and n is an integer which makes YFn a monovalent anion. The above-described catalyst is employed as a catalyst in the selective hydrogenation of acetylene. The above-described catalyst is made by incorporating a palladium component, a silver component, and a promotor component into an inorganic support material.
Abstract:
A process for the production of acetylopyridines of the formula (1): 1 by reacting a pyridinecarboxylic ester of the formula (II): 2 wherein R1 is C1-8-alkyl, with acetic acid in the gas phase in the presence of a catalyst. The active material of the catalyst is titanium dioxide and at least one alkali or alkaline earth metal oxide, and it is supported on an alumina-silica support having an apparent porosity of at least 50 percent. The process has the advantage of producing only small amounts of by-products (e.g, pyidine).
Abstract:
A mixed metal oxide, which may be an orthorhombic phase material, is improved as a catalyst for the production of unsaturated carboxylic acids, or unsaturated nitrites, from alkanes, or mixtures of alkanes and alkenes, by contact with a liquid contacting member selected from the group consisting of organic acids, alcohols, inorganic acids and hydrogen peroxide.
Abstract:
Novel active catalyst compositions comprising a compound or mixture of compounds represented by the formulaSbFXmY4nullma complex of such a compound or mixture of such compounds being represented by the formulaR.SbFXmY4nullmor a combination of such compounds and complexes where in each formula, X is an anionic moiety, Y is an anion or anions resulting from the deprotonation of an active hydrogen-containing compound(s), m is 0 to 3 and R is one or more active hydrogen containing compound acting as molecules of solvation. The catalyst compositions are useful to promote alkoxylation reactions.
Abstract:
The present invention discloses synthesis gas catalysts, and methods for making such catalysts, that are active for promoting partial oxidation of light hydrocarbons to CO and H2. The catalysts comprise a support and an active metal. The catalysts may further comprise a promoter and halide or a rare earth oxyhalide. The present invention further discloses a method for producing synthesis gas by net partial oxidation of light hydrocarbons by contacting O2 and light hydrocarbons in the presence of a synthesis gas catalyst as previously described. The present invention also describes a method for extending the life of a synthesis gas catalyst by contacting the catalyst with a halide. A method for making middle distillates from light hydrocarbons by partial oxidation of light hydrocarbons over a synthesis gas catalyst as previously described and Fischer-Tropsch reaction is also disclosed.
Abstract:
The invention relates to a process for the preparation of an epoxidation catalyst, which process involves impregnating a silicon containing carrier with a gas stream consisting of titanium halide. The invention also relates to a process for the preparation of alkylene oxide using such catalyst.