| 发明名称 |
SEPARATION MEMBRANE ELEMENT |
| 摘要 |
To provide a separation membrane element that is able to increase the amount of permeate fluid per unit time and also able to improve stability performance, provided is a separation membrane element, comprising a separation membrane and a permeate spacer, wherein a separation functional layer is arranged on the surface of said separation membrane and a nonwoven fabric served as a substrate is arranged on the back surface of said separation membrane, wherein said permeate spacer is arranged on the back surface side of said substrate, wherein said permeate spacer is made of a different material from said separation membrane, and a projection area ratio of said permeate spacer to said separation membrane is 0.03 to 0.80. |
| 申请公布号 |
US2014224726(A1) |
申请公布日期 |
2014.08.14 |
| 申请号 |
US201113642449 |
申请日期 |
2011.06.02 |
| 申请人 |
Kimura Masahiro;Oto Katsufumi;Takagi Kentarou;Hirozawa Hiroho;Koiwa Masakazu;Suzuki Yutaro |
发明人 |
Kimura Masahiro;Oto Katsufumi;Takagi Kentarou;Hirozawa Hiroho;Koiwa Masakazu;Suzuki Yutaro |
| 分类号 |
B01D69/12 |
主分类号 |
B01D69/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A separation membrane element comprising a separation membrane and a permeate spacer,
wherein a separation functional layer is arranged on the surface of said separation membrane and a nonwoven fabric served as a substrate is arranged on the back surface of said separation membrane, wherein said permeate spacer is arranged on the back surface side of said substrate, wherein said permeate spacer is made of a different material from said separation membrane, wherein said permeate spacer is impregnated into said separation membrane and a projection area ratio of said permeate spacer to said separation membrane is 0.03 to 0.80. |
| 地址 |
Otsu-shi JP |
