Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Sulfur or sulfur containing component
Patent
1975-06-27
1978-04-04
Vertiz, O. R.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Sulfur or sulfur containing component
204180P, 423522, 423539, 423166, C01B 1700, B01K 500, C01B 1722, C01B 1748
Patent
active
040828352
ABSTRACT:
Sulfur dioxide is separated from an aqueous solution containing the same by subjecting the stream to electrodialytic water splitting. In particular a novel method for removing SO.sub.2 from dilute gas streams by means of alkaline solution scrubbing, regeneration of the scrubbing solution and liberation of concentrated SO.sub.2 effected by means of a two-compartment membrane water splitter is provided. Optionally, waste sulfate produced in the process may be converted to sulfuric acid in a separate membrane water splitter or otherwise processed by conventional means.
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Chlanda Frederick P.
Liu Kang-Jen
Nagasubramanian Krishnamurthy
Allied Chemical Corporation
Criss Roger H.
Heller Gregory A.
Plantamura Arthur J.
Vertiz O. R.
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