发明名称 WATER TREATMENT METHOD AND WATER TREATMENT APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To provide a water treatment method for enhancing a recovery without deteriorating a treatment capacity, and a water treatment apparatus. <P>SOLUTION: The water treatment method includes a separation process A for performing flocculation pressure flotation separation and/or flocculation/sedimentation separation after raw water is once stored in a raw water storage tank, a separation process B for subjecting the treated water obtained in the separation process A to filtering treatment and a separation process C for separating the treated water obtained in the separation process B using a reverse osmosis membrane to obtain permeating water. The separation process B has a washing process and the washing waste water produced in the washing process is refluxed to the raw water storage tank. <P>COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008173534(A) 申请公布日期 2008.07.31
申请号 JP20070007059 申请日期 2007.01.16
申请人 TORAY IND INC 发明人 KIHARA MASAHIRO;NAKAMURA YOSHISUKE
分类号 C02F9/00;B01D24/00;B01D24/02;B01D29/66;C02F1/24;C02F1/44;C02F1/52 主分类号 C02F9/00
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