Process for absorption of SO.sub.2 into phosphate absorbent

Details Process for absorption of SO.sub.2 into phosphate absorbent Process for absorption of SO.sub.2 into phosphate absorbent

1984-02-27

1985-05-28

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

C01B 1700

Patent

active

045199949

ABSTRACT:
Higher loadings of SO.sub.2 into an aqueous phosphate absorbent are achieved by use of a pH of no less than about 4.5 and a molarity (e.g., 3.0 or above) which produces a greater SO.sub.2 absorption than expected.

REFERENCES:
patent: 3633339 (1972-01-01), Wiewiorowski et al.
patent: 3911093 (1975-10-01), Sherif et al.
patent: 3960687 (1976-06-01), Bakke et al.
patent: 3969492 (1976-07-01), Witte et al.
patent: 4080423 (1978-03-01), Smith et al.
patent: 4211761 (1980-07-01), Tung

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