Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1985-07-08
1988-12-06
Hruskoci, Peter
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
55 16, 55158, 21032183, 21032185, 2104943, 2104941, B01D 5322
Patent
active
047894806
ABSTRACT:
A membrane module is disclosed which comprises at least one elongated, planar membrane element which is composed of two membranes aligned opposite one another so as to define a closed cavity into which active surfaces of both membranes face. At both ends of the membrane element, separate conduits attached to the two membranes are in communication with the cavity, such that the feed flow from one conduit to the other through the cavity is radial, relative to the membrane element. The membrane element can be spirally wound around one or both of the conduits.
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patent: 3367504 (1968-02-01), Westmoreland
patent: 3367787 (1968-02-01), Thijssen et al.
patent: 3839201 (1974-10-01), Miller
patent: 4083780 (1978-04-01), Call
patent: 4147114 (1979-04-01), Holmes
Kremen, Seymours, "Technology and Engineering of R06A-Spiral Wound Osmosis Membrane Modules", Chap. 17 of Reverse Osmosis and Synthetic Membranes, S. Sourirajan editor, National Res. Council Canada, 1977, pp. 371-385, NRCC. 15627.
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