Apparatus for carrying out membrane separation processes

Details Apparatus for carrying out membrane separation processes Apparatus for carrying out membrane separation processes

1989-10-20

1990-08-28

Sever, Frank

Liquid purification or separation

Casing divided by membrane into sections having inlet

Each section having inlet

21032185, B01D 6310

Patent

active

049523139

ABSTRACT:
An apparatus for carrying out membrane separation processes is described. It comprises a housing, at least one spirally wound-up membrane pocket arranged within the housing and containing at least one drainage layer and semipermeable membranes applied to both sides thereof, a spacer between the individual wound plies of the membrane pocket, a centrally arranged collection line, a first end-face opening as an inlet for the material to be separated, a second end-face opening as an outlet for the concentrate and a discharge line for the permeate which has passed into the collection line. The permeate passage from the membrane pocket into the collection line is kept sealed from the space filled with the material to be separated by means of spring-elastic elements, and the semipermeable membranes are mutually joined by energy-bonded seams in the membrane pocket regions adjacent to the side edges. According to the invention no adhesive is required for the apparatus.

REFERENCES:
patent: 3966616 (1976-06-01), Bray
patent: 4019988 (1977-04-01), Ziegler
patent: 4059530 (1977-11-01), Luppi
patent: 4235723 (1980-11-01), Bartlett
patent: 4475973 (1984-10-01), Tanaka
patent: 4769140 (1988-09-01), van Dijk et al.

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