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 2538992
An improved 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 a) impregnating a preformed alpha-alumina carrier with at least one modifier selected from among alkali metal silicates and alkaline earth metal silicates, b) drying said impregnated carrier; and c) calcining said dried carrier. The carrier may optionally be washed, prior to being impregnated by conventional catalytic material and/or promoter material.
Cette invention concerne un support amélioré convenant pour la préparation d'un catalyseur remarquablement performant pour la production d'oxydes d'alkylène tels que l'oxyde d'éthylène. La réalisation du support passe par les opérations suivantes: a) imprégnation d'un support d'alpha-alumine préformé avec au moins un agent modificateur pris parmi des silicates de métal alcalin et des silicates de métal alcalino-terreux; b) séchage dudit support après imprégnation; et c) calcination dudit support après séchage. Le support peut être lavé éventuellement avant imprégnation au moyen d'un matériau catalytique classique et/ou un matériau promoteur.
Bhasin Madan Mohan
Liu Albert Cheng-Yu
Serafin Juliana G.
Seyedmonir Seyed R.
Soo Hwaili
Dow Technology Investments Llc
Smart & Biggar
Union Carbide Chemicals & Plastics Technology Corporation
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