Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1994-01-18
1996-06-11
Spear, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210652, B01D 6104
Patent
active
055252346
ABSTRACT:
A process for improving the separation rate of water from a stream of aqueous caffeine and coffee bean extract by reverse osmosis by adding to the stream an effective amount of polyvinylpyrrolidone.
REFERENCES:
patent: 4203824 (1980-05-01), Achia et al.
Kronmiller David L.
Netwig Craig L.
King Lee Technologies
Spear Frank
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