发明名称 |
A METHOD OF RECOVERING A CATALYTIC METAL |
摘要 |
<p>A method of recovering a catalytic cobalt and/or manganese from a distillation residue in a process for preparing an aromatic carboxylic acid comprising a liquid-phase oxidation of the aromatic hydrocarbon having aliphatic substituent(s) or its oxidized derivatives in the presence of the catalytic cobalt and/or manganese and the distillation of the reaction product, which comprises successively or simultaneously treating the distillation residue with water and with an organic solvent having a relative dielectric constant D of</p> |
申请公布号 |
EP0066436(B1) |
申请公布日期 |
1986.01.22 |
申请号 |
EP19820302643 |
申请日期 |
1982.05.24 |
申请人 |
MITSUBISHI GAS CHEMICAL COMPANY, INC. |
发明人 |
SUZUKI, TAKASHI;KITAHARA, KOUICHI;FURUTA, TOMIYOSHI;NOZAKI, SADAO |
分类号 |
B01J31/40;C07C51/47;(IPC1-7):B01J31/40;C07C51/265 |
主分类号 |
B01J31/40 |
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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