发明名称 |
A METHOD FOR MEMBRANE FILTRATION PURIFICATION OF SUSPENDED WATER |
摘要 |
A method for membrane filtration purification of suspended water, comprising filtering the suspended water under an external pressure through a porous hollow fiber membrane comprising a polyolefin, a copolymer of olefin and halogenated olefin, halogenated polyolefin or a mixture thereof and having an open area ratio in an outer surface of not less than 20 % and a pore diameter in a minimum pore diameter layer of not smaller than 0.03 .mu.m and not larger than 1 .mu.m.
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申请公布号 |
CA2397580(C) |
申请公布日期 |
2007.06.12 |
申请号 |
CA20012397580 |
申请日期 |
2001.01.17 |
申请人 |
ASAHI KASEI KABUSHIKI KAISHA |
发明人 |
HATAYAMA, HIROSHI;IKEMOTO, TAKASHI;KUBOTA, NOBORU |
分类号 |
C02F1/44;B01D61/14;B01D67/00;B01D69/02;B01D69/08;B01D71/26;B01D71/34 |
主分类号 |
C02F1/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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