发明授权
US4885405A Process for the production of pure dimethylether and a catalyst used in the process 失效
用于生产纯二甲醚的方法和该方法中使用的催化剂

Process for the production of pure dimethylether and a catalyst used in
the process
摘要:
This invention relates to a process for the production of pure dimethylether by catalytic dehydration of methanol in the presence of a .gamma.-Al.sub.2 O.sub.3 -catalyst which contains a small quantity of SiO.sub.2.
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