| 发明名称 |
Spiral wound module including membrane sheet with regions having different permeabilities |
| 摘要 |
The present invention is directed toward spiral wound modules including membrane sheets with regions (70,72) having different permeabilities. Said regions are arranged either axially or radially or both.
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| 申请公布号 |
US8496825(B1) |
申请公布日期 |
2013.07.30 |
| 申请号 |
US201113808281 |
申请日期 |
2011.10.17 |
| 申请人 |
JONS STEVEN D.;MARSH, III ALLYN R.;DOW GLOBAL TECHNOLOGIES LLC |
发明人 |
JONS STEVEN D.;MARSH, III ALLYN R. |
| 分类号 |
B01D63/00;B01D35/28;B01D63/10;B01D69/00;B01D71/00;C02F1/44 |
主分类号 |
B01D63/00 |
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