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Title:
HOLLOW FIBER MEMBRANE FOR IMMERSION FILTRATION, HOLLOW FIBER MEMBRANE MODULE FOR IMMERSION FILTRATION USING IT, IMMERSION FILTRATION DEVICE, AND IMMERSION FILTRATION METHOD
Document Type and Number:
Japanese Patent JP2014231059
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a hollow fiber membrane for immersion filtration, a hollow fiber membrane module for immersion filtration using it, an immersion filtration device, and an immersion filtration method capable of continuing filtration operation for a long period without deterioration of permeability and deposition of attachments on a membrane surface even in a case that the hollow fiber membrane filtration is continued in a suspension having high concentration.SOLUTION: Provided are a hollow fiber membrane 3 for immersion filtration having one or more projections on its outer surface, and a hollow fiber membrane module 19 for immersion filtration made by bonding and fixing the plural hollow fiber membranes 3 for immersion filtration to a housing 1.

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Inventors:
SASAGAWA MANABU
KANNO NAOYA
HONJO KENJI
Application Number:
JP2014148323A
Publication Date:
December 11, 2014
Filing Date:
July 18, 2014
Export Citation:
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Assignee:
MITSUBISHI RAYON CO
International Classes:
B01D69/08; B01D63/02; B01D65/08; C02F1/44; D01F6/00
Domestic Patent References:
JP2006305443A2006-11-09
JPS62225206A1987-10-03
JPS60143780U1985-09-24
Foreign References:
US20030140790A12003-07-31
Attorney, Agent or Firm:
Masatake Shiga
Norio Takahashi
Mitsuyoshi Suzuki



 
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