B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/68 (2006.01) B01J 21/04 (2006.01) B01J 21/12 (2006.01) B01J 37/06 (2006.01) C07D 301/10 (2006.01)
Patent
CA 2538989
An improved alpha-alumina carrier useful for preparing a catalyst having excellent catalytic performance when used in the production of alkylene oxide, such as ethylene oxide. The carrier is obtained by impregnating a preformed alpha-alumina carrier with at least one alkali metal hydroxide modifier, drying said impregnated carrier, calcining, said dried carrier, and washing said calcined carrier. A particularly useful alkali metal hydroxide is sodium hydroxide.
L'invention concerne un support d'alpha-alumine amélioré utilisé dans la préparation d'un catalyseur présentant une excellente efficacité catalytique lorsqu'il est utilisé dans la production d'un oxyde d'alkylène, tel que l'oxyde d'éthylène. Le support est obtenu par imprégnation d'un support d'alpha-alumine préformé avec au moins un modificateur d'hydroxyde de métal alcalin, par séchage dudit support imprégné, par calcination dudit support séché, et par lavage dudit support calciné. L'hydroxyde de métal alcalin utilisé, en particulier, est l'hydroxyde de sodium.
Dow Technology Investments Llc
Smart & Biggar
Union Carbide Chemicals & Plastics Technology Corporation
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