B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 65/10 (2006.01) B01D 63/04 (2006.01)
Patent
CA 2484096
A membrane module has, or can be fitted with, a transparent or translucent cover over a block of potting material holding hollow fiber membranes. To locate a defective fiber, a liquid is placed over the ends of the membranes while the separating surfaces of the membranes are exposed to a gas and a pressure differential is applied to produce bubbles of the gas in the liquid through a defect requiring repair. The location of the defective fiber is revealed by the bubbles. The module is repaired by closing the end of the defective fiber. The pressure differential may be applied by suction an the cover such that the separating surfaces of the membranes do not need to be installed in a pressure vessel. The end of the defective membrane may be sealed by manipulating devices from outside of the cover such that the cover does not need to be removed. The cover can also be used to create a permeate cavity, or other part of a header assembly, used in normal operation of the module.
Breitner Joseph
Pedersen Steven Kristian
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Zenon Environmental Inc.
Zenon Technology Partnership
LandOfFree
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