Drainage disc for membrane assembly

Details Drainage disc for membrane assembly Drainage disc for membrane assembly

1988-04-28

1989-09-26

Sever, Frank

Liquid purification or separation

Casing divided by membrane into sections having inlet

Plural diverse structured membranes within a single casing

21032175, 21032184, B01D 1300

Patent

active

048698210

ABSTRACT:
A composite membrane assembly which comprises a membrane and a backing plate, wherein the backing plate has a socket disposed therein. The improvement comprises a drainage disc which fits into the socket and permits the drainage of filtrate there-through. The drainage disc has a circular groove, radial grooves, vertical grooves and a center hole. The drainage disc is composed of a material which has thermal expansion coefficient substantially similar to that of the backing plate.

REFERENCES:
patent: 3615024 (1971-10-01), Michaels
patent: 3994799 (1976-11-01), Yao et al.
patent: 4264447 (1981-04-01), Nicolet
patent: 4302270 (1981-11-01), Nicolet
patent: 4749481 (1988-06-01), Wheatley
patent: 4778532 (1988-10-01), McConnell et al.
Door-Oliver, "Iopor CIP Ultrafiltration Systems for the Food and Dairy Industries", Bulletin 10-5, 1979.
Dorr-Oliver, "Dorr-Oliver Ultrafiltration Systems", Bulletin 10-2US-0986, 1986.
Bulletin 10-6, "Series `S` Ultrafiltration System for Feasibility Studies * Economic Modeling * Process Development * Product Development * Primary Processing", Dorr-Oliver Inc., 1969.

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