Purification of samples by interphase mass transfer using microp

Details Purification of samples by interphase mass transfer using microp Purification of samples by interphase mass transfer using microp

1991-08-19

1994-01-11

Spear, Frank

Liquid purification or separation

Processes

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

21032168, 21050023, B01D 6302

Patent

active

052778215

ABSTRACT:
Method and apparatus are provided for accomplishing improved separation and purification of an analyte by mass transfer between immiscible phases employing microporous hollow-fiber membranes. The invention eliminates several problems of the prior art. A number of possible modes of separation by mass transfer are possible according to the invention, including liquid-liquid extraction, back extraction, simultaneous forward and back extraction, gas absorption into a liquid, gas stripping from a liquid and simultaneous gas absorption and stripping.

REFERENCES:
patent: 3956112 (1976-05-01), Lee et al.
patent: 4516580 (1985-05-01), Polanyi
patent: 4517080 (1985-05-01), DeLoach et al.
patent: 4976867 (1990-12-01), Callahan et al.

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