发明名称 |
METHOD FOR PURIFYING SUSPENDED WATER BY MEMBRANE FILTRATION |
摘要 |
<p>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. <IMAGE></p> |
申请公布号 |
EP1251102(A1) |
申请公布日期 |
2002.10.23 |
申请号 |
EP20010901389 |
申请日期 |
2001.01.17 |
申请人 |
ASAHI KASEI KABUSHIKI KAISHA |
发明人 |
KUBOTA, NOBORU;IKEMOTO, TAKASHI;HATAYAMA, HIROSHI |
分类号 |
B01D61/14;B01D67/00;B01D69/02;B01D69/08;B01D71/26;B01D71/34;C02F1/44;(IPC1-7):C02F1/44 |
主分类号 |
B01D61/14 |
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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