B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/50 (2006.01) B01J 23/02 (2006.01) B01J 23/66 (2006.01) B01J 27/12 (2006.01) B01J 27/18 (2006.01) B01J 27/24 (2006.01) C07D 301/10 (2006.01) C07D 303/04 (2006.01)
Patent
CA 2249440
Propylene is oxidized to propylene oxide in the vapor phase using an oxygen- containing gas and a supported silver catalyst comprising silver and a support comprised in whole or in substantial part of an alkaline earth metal-containing compound selected from alkaline earth metal titanates, tribasic calcium phosphate, calcium molybdate and calcium fluoride. Such supports provide significantly higher selectivity to the desired epoxide than would be expected from the performance of related materials. Propylene oxide selectivity may be further enhanced through the introduction of nitrogen oxide species such as NO, aliphatic halides such as ethyl chloride, and carbon dioxide into the oxygen-containing gas.
Gaffney Anne
Kahn Andrew
Pitchai Rangasamy
Arco Chemical Technology L.p.
Osler Hoskin & Harcourt Llp
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