Diffusion apparatus utilizing tubular semi-permeable membrane

Details Diffusion apparatus utilizing tubular semi-permeable membrane Diffusion apparatus utilizing tubular semi-permeable membrane

1978-05-03

1980-11-04

Spear, Jr., Frank A.

Liquid purification or separation

With repair or assembling means

210321B, 210494M, B01D 3100

Patent

active

042318750

ABSTRACT:
A diffusion apparatus is disclosed including an outer casing and an inner core within the outer casing providing an annular space therebetween so that a tubular semi-permeable membrane having a first end and a second end and spacing material can be helically wound around the inner core within the annular space. The apparatus includes first fluid directing means communicating with a first fluid within the interior of the tubular semi-permeable membrane at a first end thereof, second fluid directing means communicating with a second fluid within the annular space for contacting the outer surface of the tubular semi-permeable membrane with the second fluid, wherein the first fluid directing means includes channel means integral with the inner core, and third fluid directing means communicating with the first fluid within the interior of the tubular semi-permeable membrane at the second end thereof.

REFERENCES:
patent: 3712475 (1973-01-01), Martinez
patent: 3852198 (1974-12-01), Murakami
patent: 4006088 (1977-02-01), Salkin
patent: 4008157 (1977-02-01), Miller et al.
patent: 4009107 (1977-02-01), Miller et al.
patent: 4009108 (1977-02-01), Miller et al.
patent: 4028253 (1977-06-01), Miller et al.
patent: 4035305 (1977-07-01), Miller et al.
patent: 4059530 (1977-11-01), Luppi

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