发明名称 |
PROCESS FOR PURIFYING A TERTIARY AMINOXIDE AQUEOUS SOLUTION |
摘要 |
The invention is concerned with a process for the purification of an aqueous solution of a tertiary amine-oxide containing impurities partially present in a dissolved and partially in a non-dissolved, colloidal state, and is characterized by a combination of the steps of (A) removing from the aqueous solution substantially all of said impurities present in a non-dissolved, colloidal state and (B) contacting said aqueous solution obtained in step (A) with an ion exchanger.
|
申请公布号 |
CA2202625(A1) |
申请公布日期 |
1997.02.27 |
申请号 |
CA19962202625 |
申请日期 |
1996.08.16 |
申请人 |
LENZING AKTIENGESELLSCHAFT |
发明人 |
MANGENG, BRUNO;MULLEDER, EDUARD;MANNER, JOHANN;SCHWENNINGER, FRANZ |
分类号 |
B01D21/01;C07D295/28;D01D5/06;D01F2/00;D01F13/02;(IPC1-7):D01F13/00;B01D21/02 |
主分类号 |
B01D21/01 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|