Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1984-07-06
1988-03-08
Spear, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210176, B01D 1300
Patent
active
047298332
ABSTRACT:
An aqueous solution can be concentrated in respect to a volatile substance ontained therein by maintaining the aqueous solution on both sides of a porous membrane which has a pore size of 0.05 to 150 microns and giving a temperature difference between the two respective portions divided by the membrane.
REFERENCES:
patent: 2411238 (1946-11-01), Zender
patent: 2712386 (1955-07-01), Jones et al.
patent: 3035060 (1962-05-01), Binning et al.
patent: 3615024 (1971-10-01), Michaels
patent: 4311594 (1982-01-01), Perry
Honda Zenijiro
Komada Hajime
General Director of the Agency of Industrial Science and Technol
Spear Frank
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