发明名称 |
Process for the purification of aqueous solutions of amine-oxides |
摘要 |
PCT No. PCT/AT94/00105 Sec. 371 Date Apr. 19, 1995 Sec. 102(e) Date Apr. 19, 1995 PCT Filed Aug. 2, 1994 PCT Pub. No. WO95/05888 PCT Pub. Date Mar. 2, 1995.A process for the purification of aqueous solutions of amine-oxides, characterized in that said solutions are contacted with an aqueous purification solution of an alkali hydroxide and/or ion pair reagent by means of an anion active membrane. By means of the process according to the invention, an efficient separation, particularly of anions of lower carboxylic acids and inorganic acids, can be achieved.
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申请公布号 |
US5503749(A) |
申请公布日期 |
1996.04.02 |
申请号 |
US19950424266 |
申请日期 |
1995.04.19 |
申请人 |
LENZINC AKTIENGESELLSCHAFT |
发明人 |
MAENNER, JOHANN;FIRGO, HEINRICH;KALT, WOLFRAM;RICHARDT, WERNER |
分类号 |
B01D61/24;D01F13/02;(IPC1-7):B01D15/04 |
主分类号 |
B01D61/24 |
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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