Selective clogging of failed fibers

Details Selective clogging of failed fibers Selective clogging of failed fibers

B - Operations, Transporting

01

D

B01D 67/00 (2006.01) B01D 63/02 (2006.01) B01D 65/10 (2006.01)

Patent

CA 2124295

A method of selectively clogging failed hollow fibers of a membrane module packed together with a plurality of non-failed fibers in a shell-and-bore arrangement comprises: (i) Holding the module vertically and bringing the module end into contact with a liquid sealant; (ii) Causing the liquid sealant to rise into the failed fibers to a height greater than that of the failure; (iii) Allowing the sealant to solidify at least partially; (iv) Cutting off a length of the fiber bundle of such height that non-failed fibers bores are exposed while failed fibers remain clogged.

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