| 发明名称 |
VERFAHREN ZUR HERSTELLUNG NIEDERER OLEFINE AUS METHANOL-WASSER-GEMISCHEN |
| 摘要 |
Olefins having from 2 to 4 carbon atoms are manufactured from methanol and/or dimethyl ether in the presence of water and a manganese-containing aluminum silicate catalyst. Before or after application of the manganese, the aluminum silicate is washed with a solution of ethylene-diaminetetraacetic acid or tartaric acid adjusted to a pH of from 3 to 7 by means of a base. |
| 申请公布号 |
DE2928922(A1) |
申请公布日期 |
1981.02.12 |
| 申请号 |
DE19792928922 |
申请日期 |
1979.07.18 |
| 申请人 |
HOECHST AG |
发明人 |
WUNDER,FRIEDRICH,DIPL.-CHEM.DR.;LEUPOLD,ERNST-INGO,DIPL.-CHEM.DR.;HACHENBERG,HORST,DIPL.-CHEM.DR.;SCHMIDT,HANS-JOACHIM,DIPL.-CHEM.DR. |
| 分类号 |
B01J29/00;B01J29/076;C07B61/00;C07C1/00;C07C1/20;C07C11/02;C07C67/00 |
主分类号 |
B01J29/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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