发明名称 |
CATALYST RECOVERY PROCESS |
摘要 |
<p>Disclosed is a process for the recovery of noble metals from a catalyst-tar formed in a process in which acetic anhydride is prepared by carbonylating methyl acetate in the presence of a noble metal containing catalyst such as rhodium, lithium and methyl iodide. The rhodium is recovered from the tar formed in the process by treating the catalyst containing tar with a lower fatty acid at a temperature of at least 100 DEG C. thereby isolating the noble metal which precipitates from the tar.</p> |
申请公布号 |
DE3664645(D1) |
申请公布日期 |
1989.08.31 |
申请号 |
DE19863664645 |
申请日期 |
1986.04.25 |
申请人 |
EASTMAN KODAK COMPANY (A NEW JERSEY CORPORATION) |
发明人 |
ZOELLER, JOSEPH, ROBERT |
分类号 |
C07C51/56;B01J31/40;B01J38/00;B01J38/62;C01G55/00;C07C51/00;C07C51/573;C07C53/12;C07C67/00;C22B3/16;C22B7/00;C22B11/00;(IPC1-7):C22B11/04;C22B3/00 |
主分类号 |
C07C51/56 |
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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