Gel potting method for filtering hollow fibre membranes

Details Gel potting method for filtering hollow fibre membranes Gel potting method for filtering hollow fibre membranes

B - Operations, Transporting

01

D

B01D 69/04 (2006.01) B01D 63/02 (2006.01)

Patent

CA 2308234

Headers are prepared with an opening including an inner space defining a part of a permeate channel. A thixotropic, water soluble gel is placed in the header in the space reserved for the permeate channel. A plurality of hollow fibre membranes are collected together and their open ends are inserted into the gel. A fixing liquid, typically a resin, is placed over the gel. The fixing liquid surrounds each membrane and then solidifies, simultaneously sealing the outer surfaces of the membranes and forming a plug in the opening of the header to complete the permeate channel. After the fixing liquid has solidified, the gel is removed in part by vibrating the gel to a liquid state or dissolving it. The space initially occupied by the gel becomes part of the permeate channel after the gel is removed.

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