Method for sulfur dioxide control II

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

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423 50, C01B 1700

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active

042358531

ABSTRACT:
A method and apparatus for removing sulfur dioxide from a gas stream such as a stack gas stream utilizing an aqueous slurry of manganous hydroxide as an absorbant and utilizing a regeneration of manganous hydroxide from manganous sulfate thereby produced.

REFERENCES:
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patent: 3150923 (1964-09-01), Bienstock
patent: 3226192 (1965-12-01), Atsukawa et al.
patent: 3251649 (1966-05-01), Atsukawa et al.
patent: 3607001 (1971-09-01), Finfer et al.
patent: 4076793 (1978-02-01), Nikolai
Peckkovsky, Sulfating of Manganese Compounds by Sulfur Dioxide, J. Applied Chemistry (USSR), 29:1067-70, (1956).

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