Title:
分離膜エレメント
Document Type and Number:
Japanese Patent JP6485044
Kind Code:
B2
Abstract:
This separation membrane element has a water collection tube and a separation membrane leaf of which a plurality of sheets are stacked and wound around the periphery of the water collection tube. The separation membrane leaf is provided with a sheet that is configured by causing separation membranes, which are provided with a supply-side surface and a permeation-side surface, to be such that the supply-side surfaces face each other, a protrusion being adhered between the permeation-side surfaces of overlapping separation membrane leaves. Of the protrusion, the maximum height and minimum height have a ratio that is 1.10 to 1.50 inclusive, the variation coefficient is 0.02 to 0.15 inclusive, and the degree of impregnation of the protrusion in the sheet is 10-100% inclusive.
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| WO/2003/106003 | PURIFIED WATER SUPPLY SYSTEM |
| JP6973650 | Separation membrane element and its usage, as well as water treatment equipment |
Inventors:
Shunsuke Tabayashi
Hirosawa Hiroho
Kentaro Takagi
Yurie Marutani
Yoshiki Okamoto
Hiroyuki Yamada
Shuji Furuno
Takao Sasaki
Masahiro Kimura
Hirosawa Hiroho
Kentaro Takagi
Yurie Marutani
Yoshiki Okamoto
Hiroyuki Yamada
Shuji Furuno
Takao Sasaki
Masahiro Kimura
Application Number:
JP2014557655A
Publication Date:
March 20, 2019
Filing Date:
October 31, 2014
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
International Classes:
B01D63/10; B01D69/10
Domestic Patent References:
| JP2006247453A | ||||
| JP2000051671A | ||||
| JP2002095935A | ||||
| JP2008531270A |
Foreign References:
| WO2013005826A1 |
Attorney, Agent or Firm:
Patent business corporation glory patent office
Yuriko Hamada
Furudate Kutanko
Tomoko Yamazaki
Yuriko Hamada
Furudate Kutanko
Tomoko Yamazaki