Hybrid membrane separation systems

Details Hybrid membrane separation systems Hybrid membrane separation systems

1989-04-21

1990-07-31

Sever, Frnk

Liquid purification or separation

Processes

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

210641, 210644, 210652, B01D 1300

Patent

active

049448820

ABSTRACT:
Hybrid membrane-based separation systems are disclosed that are useful in separating solvents and solutes. The hybrid systems combine any of the solvent removal processes reverse osmosis, nanofiltration, membrane distillation and pervaporation with any one of more of the solute removal processes utilizing pervaporation membranes, supported-liquid membranes, coupled transport membranes, and membrane contactors, the solvent and solute removal processes forming part of a recycle stream that utilizes membrane separation retentates as feeds and as recycle feed stream make-up.

REFERENCES:
patent: 4770784 (1988-09-01), Davis et al.

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