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
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