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.
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
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