Process for preparing ethylene oxide

Details Process for preparing ethylene oxide Process for preparing ethylene oxide

C - Chemistry, Metallurgy

07

D

260/372.7

C07D 301/10 (2006.01) B01J 23/66 (2006.01) B01J 23/68 (2006.01)

Patent

CA 1045145

ABSTRACT OF THE DISCLOSURE A process for preparing ethylene oxide by the catalytic vapor phase oxidation of ethylene with molecular oxygen in the presence of a catalytic composition whose constituent metallic elements and atomic ratio are represented by the general formula AgaBabXcTldKeCsfOg wherein X represents at least one metallic element of the group consisting of tin and antimony, a, b, d, e, f and g are number of atoms of silver, barium, thallium, potassium, cesium and oxygen, respectively, and c is the sum of the number of atoms of at least one metallic element of the group consisting of tin and antimony; and when a is 100, b is a number from 0 to 100, c is a number from 0.001 to 0.15, d is a number from 0 to 0.1, e is a number from 0 to 0.1, f is a number from 0 to 0.1, with the proviso that the relationship 0 < d + e + f ? 0.3 is satisfied, and g is a number determined by the valence requirements of the other elements present. - 1 -

208680

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