PROCESS FOR THE PREPARATION OF PURE DIMETHYL ETHER
摘要
<p>Pure dimethyl ether is prepared by catalytic dehydration of methanol over a gamma -Al2O3 catalyst which preferably contains small amounts of SiO2 and purification of the dehydration product by addition thereof to a distillation column to obtain pure dimethyl ether on certain plates of this column and taking off the pure dimethyl ether and impurities above certain plates of the same column.</p>
申请公布号
GR880300102(T1)
申请公布日期
1989.06.22
申请号
GR19880300102T
申请日期
1989.06.22
申请人
UNION RHEINISCHE BRAUNKOHLEN KRAFTSTOFF AKTIENGESELLSCHAFT
发明人
DORNHAGEN, HORST, DR.;HAMMER, HARTMUT, DR.;MEISENBURG, EWALD;HAAS, BERND, DR.