发明名称 |
METHOD OF COBALT REGENERATING FROM DESTILATION WASTE PRODUCTS BY THE DIMETHYLTEREPTALATE PRODUCTION |
摘要 |
The distillation residue (normally discarded) is extracted with a 0.1-40 wt. % aq. soln of an organic acid (e.g. acetic acid) at 50-200 degrees C (pref. 85-105 degrees C) in a continuous or discontinuous manner, the ratio of the organic phase to the aq. phase being 1:8 to 8:1. |
申请公布号 |
BG27881(A3) |
申请公布日期 |
1980.01.15 |
申请号 |
BG19720021725 |
申请日期 |
1972.10.26 |
申请人 |
INST CIEZKIEJ SYNTEZY ORGA |
发明人 |
POKORZKA;SZELEJEWSKI |
分类号 |
C07C63/00;C07C69/82;(IPC1-7):B01D11/02 |
主分类号 |
C07C63/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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