| abstract |
The present invention provides a kind of oxychlorination process, and it has with Types Below, wherein ethene is converted into 1,2 dichloroethanes in the presence of supported copper catalyst, improvement includes：Use the loaded catalyst prepared in the following manner：(i) in first step, with the first aqueous solution oxide impregnation alumina supporter comprising copper, alkaline-earth metal and alkali metal so as to forming the first catalytic component；And (ii) impregnates first catalytic component so as to form the loaded catalyst, wherein second aqueous solution is substantially free of alkali metal in subsequent step with second aqueous solution comprising copper and alkaline-earth metal. |