Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1990-10-04
1992-07-21
Sever, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
21032165, B01D 6122
Patent
active
051320150
ABSTRACT:
An ultrafiltration system with a recirculating closed loop design and a feed control valve outside the loop which admits feed to the loop under permeate level control was shown to be operable with a constant recirculation flow thus minimizing membrane fouling. A fast flush was also possible without closing the permeate valve.
REFERENCES:
patent: 4968429 (1990-11-01), Yen
Rohm and Haas Company
Sever Frank
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