发明名称 |
Process for separating organic impurities from chromium(III) sulphate solution containing sulphuric acid |
摘要 |
These solutions, which are formed in oxidation processes using chromium(VI) oxide, can be freed of organic impurities in a simple way by bringing them into contact at elevated temperature with an alcohol having from 1 to 14 carbon atoms.
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申请公布号 |
DE3605751(A1) |
申请公布日期 |
1987.08.27 |
申请号 |
DE19863605751 |
申请日期 |
1986.02.22 |
申请人 |
HOECHST AG |
发明人 |
STENZEL,JUERGEN,DR.;WOJTECH,BERNHARD,DR. |
分类号 |
C01G37/08;(IPC1-7):C01G37/08;B01D3/40;B01D11/04 |
主分类号 |
C01G37/08 |
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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