发明名称 |
METHOD FOR THE PROCESSING OF CRUDE PHENOL FROM COAL LIQUEFACTION |
摘要 |
1. A process for the treatment of crude phenol which has been recovered in accordance with the phenoraffin process from phenol-containing fractions from the liquefaction of coal, characterized in that the phenols are separated by distillation from high-boiling accompanying substances, reacted with diluted acid and subsequently subjected to a fractionated distillation and the phenol and o-cresol fractions obtained are subjected to crystallization. |
申请公布号 |
ZA8408632(B) |
申请公布日期 |
1985.10.30 |
申请号 |
ZA19840008632 |
申请日期 |
1984.11.05 |
申请人 |
RUTGERSWERKE AKTIENGESELLSCHAFT |
发明人 |
DR HANS SPENGLER;DR KONRAD STOLZENBERG |
分类号 |
C07C39/04;C07C37/68;C07C37/70;C07C37/84 |
主分类号 |
C07C39/04 |
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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