Title:
A MEMBRANE CONTACTOR AND METHOD OF MAKING THE SAME
Document Type and Number:
WIPO Patent Application WO2006044255
Kind Code:
A3
Abstract:
A hollow fiber membrane contactor includes a perforated center tube, a first mat comprising a first hollow fiber membrane, a second mat comprising a second hollow fiber membrane, a first tube sheet, a second tube sheet, a shell, and end caps. The first and second hollow fiber membranes are dissimilar. The first and second mats surround the center tube, and the first and second tube sheets affix the first and second mats to the center tube. The first hollow fiber membrane has a first lumen, and the second hollow fiber membrane has a second lumen. The first lumen may be open at the first tube sheet and closed at the second tube sheet while the second lumen may be open at the second tube sheet and closed at the first tube sheet. The shell surrounds the first and second mats, and it is sealed to the tube sheets. The end caps are affixed to the shell thereby defining headspaces therebetween the tube sheets and the end caps.
Inventors:
SENGUPTA AMITAVA (US)
WIESE FRANK (DE)
WIESE FRANK (DE)
Application Number:
PCT/US2005/036182
Publication Date:
November 16, 2006
Filing Date:
October 06, 2005
Export Citation:
Assignee:
CELGARD LLC (US)
International Classes:
B01D63/00; B01D63/02; B01D63/04; B01D63/06; B01D61/00; B01D67/00
Foreign References:
| US4784768A | 1988-11-15 | |||
| US4940617A | 1990-07-10 | |||
| US6616841B2 | 2003-09-09 | |||
| US6214232B1 | 2001-04-10 |
Other References:
See also references of EP 1807177A4
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