Filter apparatus

Details Filter apparatus Filter apparatus

B - Operations, Transporting

01

D

182/15

B01D 31/00 (1980.01)

Patent

CA 1129349

ABSTRACT OF THE DISCLOSURE There is disclosed a filter apparatus which comprises arrays of parallel channels defined by a stiff plastics material and arranged in layers to form a stack, alternate layers being inverted to arrange that in adjacent layers each channel in one of said adjacent layers is opposite a said channel in the other said adjacent layer and said opposite channels either have adjacent openings along the length of said opposite channels or have adjacent bases, and micro filtration or ultra filtration membrane means interposed between said opposite channels at said adjacent openings, the channels on one side of each membrane means being open at one end of the length of the stack for a feed liquid to enter said channels, and the channels on the other side of said membrane means being open at the other end of the stack for filtrate from said feed liquid to leave the stack after flow- ing through the membrane means into said channels. This filter apparatus constitutes a first aspect of the invention. Also disclosed herein, according to a second aspect of the present invention, is a filter plant which comprises a feed pump means for feeding a feed liquid, a filter apparatus according to the above-described first aspect of the invention and to which the feed pump means is arranged to deliver the feed liquid, and a reservoir to which filtrate from the filter apparatus is arranged to be delivered.

333619

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