MANUFACTURE OF DENATURED SILVER CATALYSTS

申请公布号：JPS52117293(A)

申请号：JP19770031236

申请日期：1977.03.23

申请公布日期：1977.10.01

申请人：

SHELL INT RESEARCH

发明人：IAN ERUNESUTO MATSUKUSUUERU

分类号：B01J23/66;B01J23/96;B01J38/48;C07B61/00;C07D301/10

主分类号：B01J23/66

摘要：Silver catalysts providing improved selectivities for the oxidation of ethylene to ethylene oxide are prepared by (a) subjecting a catalyst comprising from about 1 to about 35 percent by weight of silver on a porous refractory catalyst support to a stabilization treatment, and (b) depositing from about 0.00004 to about 0.008 gram equivalent weights per kilogram of total catalyst of ions of one or more of the alkali metals potassium, rubidium or cesium on the stabilized catalyst.

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