| 发明名称 |
Process for producing phenolic compounds |
| 摘要 |
In an improved process for recovering a phenolic compound, the improvement comprising, subjecting a phenolic containing fraction recovered overhead in an extractive distillation, to a subsequent steam distillation; recovering the phenolic product as a bottoms fraction therefrom, and recycling such product to some point upstream in the process.
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| 申请公布号 |
US4351967(A) |
申请公布日期 |
1982.09.28 |
| 申请号 |
US19800202482 |
申请日期 |
1980.10.31 |
| 申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD. |
发明人 |
NISHIMURA, TADAHIKO;YAMAMOTO, HIROSHI;OSUO, MASATOSHI;KANAZAWA, AKIO |
| 分类号 |
C07C27/00;C07C37/08;C07C37/68;C07C37/74;C07C37/76;C07C37/80;C07C37/86;C07C39/02;C07C39/04;C07C67/00;(IPC1-7):B01D3/40 |
主分类号 |
C07C27/00 |
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