| 摘要 |
IMPROVED PROCESS FOR ETHYLENE EPOXIDATION (D#81,125-F) Disclosed is an improved process for the epoxidation of ethylene, wherein ethylene is reacted with oxygen in a mol ratio of about one, in the presence of a silver metal catalyst and a halide gas phase inhibitor, at a pressure of about 200 to 300 psig, said improvements comprising: introducing into the reaction zone a feed gas mixture comprising: 30 to 90 mol% ethylene, 0 to 55 mol% methane, 0 to 15 mol% one or more inert, non-hydrocarbon gases or mixtures thereof, 0 to 10 mol% carbon dioxide, 2 to 10 mol% oxygen, 1 to 50 ppm organic halide gas phase inhibitor, and maintaining the temperature in the reaction zone between 180 and 350.degree.C.
|
