Spiral membrane module with controlled by-pass seal

Details Spiral membrane module with controlled by-pass seal Spiral membrane module with controlled by-pass seal

1980-09-11

1981-11-17

Spear, Jr., Frank A.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210652, 210137, 2104332, 210450, B01D 3100, B01D 1300

Patent

active

043010130

ABSTRACT:
A membrane apparatus, which apparatus comprises a housing and a spiral membrane module positioned in the housing to define an annular clearance space between the outside wall of the spiral membrane module and the interior wall surface of the housing, and an open-mesh type or netting material peripherally surrounding the spiral membrane module and positioned in the annular clearance space in a partial sealing relationship, to provide a controlled by-pass of the feed stream through the open-mesh-type material in the annular clearance space, to prevent accumulation of feed material in the annular space.

REFERENCES:
patent: 3339341 (1967-09-01), Maxwell et al.
patent: 3510004 (1970-05-01), Hoeltzenbein
patent: 3542203 (1970-11-01), Hancock et al.

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