发明名称 |
Composite semipermeable membrane, production process thereof, and element, fluid separation equipment and treatment method for boron-containing water using the same |
摘要 |
A composite semipermeable membrane, which comprises a separating functional layer comprising a reactant of polyfunctional amine with polyfunctional acid halide, wherein a water-soluble organic material is in contact with the separating functional layer, and the separating functional layer has a boron removal ratio of 95% or more, when seawater at 25° C. having a pH of 6.5, a boron concentration of 5 ppm and a TDS concentration of 3.5% by weight is permeated under an operation pressure of 5.5 MPa.
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申请公布号 |
US7641054(B2) |
申请公布日期 |
2010.01.05 |
申请号 |
US20050666752 |
申请日期 |
2005.11.04 |
申请人 |
TORAY INDUSTRIES, INC. |
发明人 |
SASAKI TAKAO;TOMIOKA HIROKI;NAKATSUJI KOJI |
分类号 |
B01D29/00;B01D39/14;B01D67/00 |
主分类号 |
B01D29/00 |
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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