Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1977-07-18
1978-08-15
Prescott, Arthur C.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204301, 423242, 423519, 423520, 423539, B01D 1302
Patent
active
041070151
ABSTRACT:
Removal of sulfur dioxide from an aqueous solution containing the same is effected by subjecting the solution to electrodialytic water splitting. In particular SO.sub.2 is removed from dilute gas streams by means of alkaline solution scrubbing, regeneration of the scrubbing solution and liberation of concentrated SO.sub.2 by means of a membrane water splitter. Waste sulfate produced in the process may be converted to sulfuric acid in a separate membrane water splitter or otherwise processed by conventional means.
REFERENCES:
patent: 3562139 (1971-02-01), Leitz
patent: 3645882 (1972-02-01), Parsi
patent: 3661762 (1972-05-01), Parsi
patent: 4024043 (1977-05-01), Dege et al.
patent: 4033842 (1977-07-01), Loest et al.
Chlanda Frederick P.
Liu Kang-Jen
Nagasubramanian Krishnamurthy
Allied Chemical Corporation
Harman Robert A.
Plantamura Arthur J.
Prescott Arthur C.
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