| 简介 |
PURPOSE : A catalyst for oxychlorination of ethylene to 1, 2- dichloroethane processed in a pinned layer is provided to improve a conversion rate with high specific productivity of 1, 2- dichloroethane high compared with a catalyst having same geometric parameter and composition.CONSTITUTION : A catalyst for oxychlorinationhas a granular form of hollow having geometric structure, and includes one or more chlorides of metal selected from a group consisting of cupric chloride, alkali metal, alkaline earth metal and a rare earth metal. The catalyst further includes copper 3~12 weight%%, alkali metal 1~4 weight%%, alkaline earth metal 005~2 weight%% and rare earth metal 01~3 weight%%. The chloride is supported on an alumina granular. A macropore volume fraction of the catalyst granular is 20%%~40%%. A diameter of a pore at maximum value of macropore volume fraction distribution curve is 800nm~1500nm. The bulk density of the catalyst is 065~080g / ml.COPYRIGHT KIPO 2010 |
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