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Title:
MEMBRANE SEPARATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/098990
Kind Code:
A1
Abstract:
This membrane separation device (1) comprises: a casing; a filter membrane that has a single-layer structure made by copolymerizing hydrophilic monomers, and that partitions the casing into a concentrated-side space (S) to which water to be treated (W2) is supplied and a permeation-side space (P) in which permeated water (PW) separated from the water to be treated (W2) is housed; a first gas supply device (11) that supplies a gas to the concentrated-side space (S) which is in a non-immersed state; and a gas discharge section (14) that discharges the gas from the concentrated-side space (S).

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Inventors:
ODA MASATO (JP)
MIZUTANI HIROSHI (JP)
HAGIMOTO TOSHIKI (JP)
Application Number:
PCT/JP2016/085763
Publication Date:
June 15, 2017
Filing Date:
December 01, 2016
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND ENVIRONMENTAL & CHEMICAL ENG CO LTD (JP)
International Classes:
B01D63/00; B01D65/02; B01D65/06; C02F1/44
Domestic Patent References:
WO2011004786A12011-01-13
Foreign References:
JP2007152285A2007-06-21
JPH07171330A1995-07-11
JP2011161417A2011-08-25
JPH10202272A1998-08-04
JP2007296500A2007-11-15
JP2012205971A2012-10-25
JP2014147900A2014-08-21
JP2014061486A2014-04-10
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
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