Sulphur oxide removal from gas

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Sulfur or sulfur containing component

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Details

C01B 1700

Patent

active

042017556

ABSTRACT:
Two zones are connected to each other and to a source of gas containing sulfur oxide as a pollutant to be removed. The gas is passed through the two zones in series and scrubbed with aqueous solutions. The pH level is controlled in each zone to minimize the amount of chemical added to the solutions and maximize the efficiency of the sulfur oxide removal.

REFERENCES:
patent: 1271899 (1918-07-01), Howard et al.
patent: 2113198 (1938-04-01), Nonhebel et al.
patent: 3790660 (1974-02-01), Earl et al.
patent: 3808321 (1974-04-01), Fukui et al.
patent: 3980756 (1976-09-01), Dixson et al.

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