B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/85
B01J 23/50 (2006.01) B01J 23/96 (2006.01) C07D 301/10 (2006.01)
Patent
CA 1144912
Abstract of the Disclosure: Supported catalysts con- taining silver and alkali metals, for the preparation of ethylene oxide from ethylene and oxygen in the gas phase, are prepared or regenerated by modifying, respectively, a new or spent supported catalyst which already contains metallic silver and may or may not contain the light alXall metals lithium and/or sodium and, where a spent Catalyst is concerned, also contains the heavy alkali metals potassium, rubidium and/or cesium with asolu- tion containing the heavy alkali metals, the modifier solution used containing a) a surfactant and/or a reducing agent, in the case of the preparation of a new catalyst or b) a surfactan, in the case of the regeneration of a spent catalyst,
344609
Koopmann Juergen
Mross Wolf D.
Schwarzmann Matthias
Titzenthaler Eckart
Vogt Volker
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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