Liquid purification or separation – Casing divided by membrane into sections having inlet – Each section having inlet
Patent
1992-08-18
1993-11-23
Sever, Frank
Liquid purification or separation
Casing divided by membrane into sections having inlet
Each section having inlet
21032184, B01D 6128, B01D 6308
Patent
active
052641236
ABSTRACT:
A system for removing acid from a metal-rich acid stream by diffusion dialysis. The acid stream is contacted with a water stream through an ion exchange membrane, in a series, counter-current flow contactor. The contactor is formed of a stack of layers of ion exchange membranes and impervious separators with flow-control apertures. The stack includes switch-back spacers which cause the flow to switch direction.
REFERENCES:
patent: 3673068 (1972-06-01), Seko et al.
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