Process for the removal of sulfur oxide constituents from a wast

Details Process for the removal of sulfur oxide constituents from a wast Process for the removal of sulfur oxide constituents from a wast

1991-10-31

1993-07-06

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

42324308, C01B 1700

Patent

active

052251764

ABSTRACT:
A waste gas from a chemical process is treated to remove undesirable substances, especially sulphur dioxide, by contacting said waste gas with acidic solution, e.g. industrial waste solution, at pH less than 2 to effect pre-cleaning, and then contacting said waste gas with alkaline solution e.g. seawater.

REFERENCES:
patent: 3616597 (1971-11-01), Stewart
patent: 3899099 (1975-08-01), Oiestad
patent: 4147756 (1979-04-01), Dahlstrom et al.
patent: 4152218 (1979-05-01), Narita et al.
Patent Abstracts of Japan vol. 8, No. 225(C-247)(1662) Oct. 1984 (JP-A-59 109 225).

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