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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.

Inventors:
田林 俊介
広沢 洋帆
高木 健太朗
丸谷 由恵
岡本 宜記
山田 博之
古野 修治
佐々木 崇夫
木村 将弘
Application Number:
JP2014557655A
Publication Date:
March 20, 2019
Filing Date:
October 31, 2014
Export Citation:
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Assignee:
東レ株式会社
International Classes:
B01D63/10; B01D69/10
Domestic Patent References:
JP2006247453A
JP2000051671A
JP2002095935A
JP2008531270A
Foreign References:
WO2013005826A1
Attorney, Agent or Firm:
特許業務法人栄光特許事務所
濱田 百合子
古館 久丹子
山崎 智子