| 发明名称 |
Catalyst recovery |
| 摘要 |
<p>A method for recovering heavy metal catalyst from a catalyst containing residue derived from the production of aromatic polycarboxylic acids which comprises primarily from 85-95% by weight acetic acid and from 5-15% by weight water. <IMAGE></p> |
| 申请公布号 |
EP1281438(A3) |
申请公布日期 |
2005.06.22 |
| 申请号 |
EP20020078345 |
申请日期 |
1997.08.08 |
| 申请人 |
E.I. DU PONT DE NEMOURS & COMPANY |
发明人 |
JEFFERY, IAN CHARLES;DR.WHISTON, KEITH |
| 分类号 |
B01J31/40;B01J38/68;C07C51/42;(IPC1-7):B01J38/68;C07C51/00 |
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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