| 发明名称 |
Process for removing colored components from solvent for polyacrylonitrile |
| 摘要 |
A process for removing colored components from a recovered inorganic solvent of polyacrylonitrile, without an appreciable decrease in the concentration of active components, using a reverse osmosis membrane whose NaCl rejection is in the range of 10% to 97%, under a permeation pressure lower than 20 kg/cm2.
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| 申请公布号 |
US5300229(A) |
申请公布日期 |
1994.04.05 |
| 申请号 |
US19930009940 |
申请日期 |
1993.01.27 |
| 申请人 |
JAPAN EXLAN COMPANY LIMITED |
发明人 |
KAWASAKI, SHIRO;KOHARA, NORIYUKI |
| 分类号 |
B01D61/02;C02F1/44;C08J11/02;D01F6/18;D01F13/04;(IPC1-7):B01D61/00 |
主分类号 |
B01D61/02 |
| 代理机构 |
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