Waste stream treatment

Details Waste stream treatment Waste stream treatment

1975-06-30

1977-01-18

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423239, 423244, 423524, C01B 1704, C01B 1700, C01B 1782

Patent

active

040039870

ABSTRACT:
The effluent streams from utility stack gases containing nitric oxides and sulfur dioxide are entrained with sulfuric acid and carbon monoxide from refinery cracking and other industrial plants and in a sequence of separation and reaction steps nitrogen and carbon dioxide are vented to the atmosphere and regenerated concentrated sulfuric acid and sulfur produced.

REFERENCES:
patent: 1822447 (1931-09-01), Merrian
patent: 2678872 (1954-05-01), Kachkaroff et al.
patent: 3454355 (1969-07-01), Ryason
patent: 3864451 (1975-02-01), Lee et al.
patent: 3911081 (1975-10-01), Maness et al.

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