Separator

Details Separator Separator

1975-06-19

1976-06-08

Spear, Jr., Frank A.

Liquid purification or separation

Filter

Divided filtered, and unfiltered liquid passages

210494M, B01D 3100

Patent

active

039620964

ABSTRACT:
A separator in which at least one tubular separating element comprising a semipermeable membrane in the shape of a lined envelope and a corrugated spacer which are wound spirally around a collecting pipe having a plurality of small transverse bores. The spacer is positioned between adjacent convolutions of the envelope and forms channels which extend substantially parallel to the collecting pipe. The inner part of the envelope is open to the outer periphery of the collecting pipe. The spacer is provided with notches in opposite edges thereof arranged so that the notches in the respective edges open in opposite circumferential directions. The notches allow passage of the liquid being treated, as well as objects for cleaning the membrane, from one channel to the next. The separator and the collecting pipe are housed in a pressure vessel. Cushion gaskets are pressed against the ends of the semipermeable film and the corrugated spacer thereby forming a continuous tortuous passage for flow of the liquid to be treated and for movement of membrane-cleaning objects.

REFERENCES:
patent: 3852198 (1974-12-01), Murakami
patent: 3872014 (1975-03-01), Schell

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