发明名称 |
MULTI-PASS HYPERFILTRATION SYSTEM |
摘要 |
<p>The present invention is directed toward a multi-pass hyperfiltration system (38) including at least two passes (42,44) of spiral wound modules positioned in series along a fluid pathway; including: a first pass is located upstream along the fluid pathway with respect to a second pass such that permeate from the first pass is directed along the fluid pathway (40) to the second pass, and each pass comprises a pressure vessel enclosing at least one spiral wound module, each module including at least one hyper-filtration membrane envelop and feed spacer sheet wound about a permeate collection tube, wherein the system is characterized by the first pass comprising a spiral wound module including a feed spacer sheet having a thickness greater 0.65 mm and the second pass comprising a spiral wound module including a feed spacer sheet having a thickness less than 0.65 mm.</p> |
申请公布号 |
EP2790818(A1) |
申请公布日期 |
2014.10.22 |
申请号 |
EP20130706899 |
申请日期 |
2013.02.20 |
申请人 |
DOW GLOBAL TECHNOLOGIES LLC |
发明人 |
JOHNSON, JON E.;BUSCH, MARKUS;MAJAMAA, KATARIINA;ROSENBERG, STEVEN;JONS, STEVEN D. |
分类号 |
B01D63/12 |
主分类号 |
B01D63/12 |
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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