O.Z. 0050/43029 Ethylene oxide is prepared by oxidizing ethylene with oxygen in the presence of silverand promoter-containing catalysts using at least two silver catalysts of different selectivity and activity in a combined catalyst bed, wherein the gaseous reaction mixture comes into contact with silver catalysts of increasing activity and decreasing selectivity on passage through the reactor.
申请公布号
CA2089982(A1)
申请公布日期
1993.08.21
申请号
CA19932089982
申请日期
1993.02.19
申请人
HERZOG, KLAUS;BOECK, STEFAN;MROSS, WOLF D.;PLUECKHAN, JUERGEN;BOEHNING, KARL-HEINZ;SCHWARZMANN, MATTHIAS
发明人
HERZOG, KLAUS;BOECK, STEFAN;MROSS, WOLF D.;PLUECKHAN, JUERGEN;BOEHNING, KARL-HEINZ;SCHWARZMANN, MATTHIAS