| 发明名称 |
Reprocessing aqueous solutions of N-methyl-morpholine N-oxide, especially spent precipitation baths from cellulose spinning processes |
| 摘要 |
A method for reprocessing aqueous solutions of N-methyl-morpholine N-oxide (NMMO) arising from the production of formed cellulose products, especially spent precipitation baths, comprises contacting the solution with a gas containing 1-20 vol.% ozone.
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| 申请公布号 |
DE19821176(A1) |
申请公布日期 |
1999.11.18 |
| 申请号 |
DE19981021176 |
申请日期 |
1998.05.12 |
| 申请人 |
OSTTHUERINGISCHE MATERIALPRUEFGESELLSCHAFT FUER TEXTIL UND KUNSTSTOFFE MBH RUDOLSTADT |
发明人 |
TAEGER, EBERHARD;BUETNER, REINER;GRANES, GERHARD |
| 分类号 |
C07D295/24;(IPC1-7):C07D295/24 |
主分类号 |
C07D295/24 |
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