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REVERSE OSMOSIS MEMBRANE SEPARATION METHOD AND REVERSE OSMOSIS MEMBRANE SEPARATION APPARATUS

申请公布号:JP2007090288(A)

申请号:JP20050285708

申请日期:2005.09.30

申请公布日期:2007.04.12

申请人:
TORAY IND INC

发明人:SUGITA KAZUYA

分类号:B01D61/04;B01D61/02;B01D61/12;B01D65/02;B01D69/12;B01D71/16;B01D71/64

主分类号:B01D61/04

摘要:PROBLEM TO BE SOLVED: To provide a method for stably operating an apparatus by preventing deterioration in membrane function in the case of separation using a reverse osmosis membrane for desalination of seawater. SOLUTION: The reverse osmosis membrane separation method is for treating an acidic substance-containing object liquid to be treated with a membrane separation apparatus having a reverse osmosis membrane. The reverse osmosis membrane separation method includes addition of an organic compound or phosphorus compound having reducibility to the object liquid to be treated before treatment of the object liquid to be treated with the membrane separation apparatus. COPYRIGHT: (C)2007,JPO&INPIT

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