Process for recovering organic hydroxides from waste solutions

Details Process for recovering organic hydroxides from waste solutions Process for recovering organic hydroxides from waste solutions

1997-02-12

1999-02-09

Gorgos, Kathryn L.

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

204522, 204530, 205703, B01D 6144

Patent

active

058689168

ABSTRACT:
In one embodiment, the present invention relates to a process for recovering an organic hydroxide from waste solutions containing the organic hydroxide and impurities including the steps of precipitating the organic hydroxide from the waste solution as an insoluble salt; removing the salt from the waste solution and placing the salt in a liquid to form a second solution; charging the second solution to an electrochemical cell containing at least two compartments, a cathode, an anode and a divider and passing a current through the cell whereby the organic hydroxide is regenerated; and recovering the organic hydroxide from the cell.

REFERENCES:
patent: 4714530 (1987-12-01), Hale et al.
patent: 4931155 (1990-06-01), Dutcher et al.
patent: 5316679 (1994-05-01), Bruening
patent: 5354434 (1994-10-01), Satoh et al.
patent: 5389211 (1995-02-01), Sharifian et al.
patent: 5405508 (1995-04-01), Kawakami et al.
International Search Report for PCT Patent Applications Serial No. PCT/US98/02344 mailed Jun. 23, 1998.

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