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Title:
PROCESS FOR PRODUCITON OF HOLLOW-FIBER MEMBRANE BUNDLES
Document Type and Number:
WIPO Patent Application WO/2008/007608
Kind Code:
A1
Abstract:
A process for the production of hollow-fiber membrane bundles whose ends are fixed with a casting material, characterized by fixing the ends of hollow-fiber membranes with a casting material with an insert placed in a hollow fiber membrane bundle at a nearer site to the center of the bundle than the region for forming a fixed part and then removing the insert from the interior of the resulting bundle; and a process for producing hollow-fiber membrane filter elements by using the above process. The hollow-fiber membrane bundle obtained by the process of the invention can be used in various filtration methods including external-pressure filtration.

Inventors:
ISHIBASHI YUZURU (JP)
WATANABE AKIHIRO (JP)
Application Number:
PCT/JP2007/063472
Publication Date:
January 17, 2008
Filing Date:
July 05, 2007
Export Citation:
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Assignee:
ASAHI KASEI CHEMICALS CORP (JP)
ISHIBASHI YUZURU (JP)
WATANABE AKIHIRO (JP)
International Classes:
B01D63/00; B01D63/02
Foreign References:
JPH10174835A1998-06-30
JP2005296937A2005-10-27
JPS6369509A1988-03-29
JPS63168004U1988-11-01
JP2003164736A2003-06-10
JPS63171607A1988-07-15
JP2000157846A2000-06-13
JPH0655043A1994-03-01
JPH06327905A1994-11-29
Other References:
See also references of EP 2042228A4
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