Process for desulfurizing an exhaust gas

Details Process for desulfurizing an exhaust gas Process for desulfurizing an exhaust gas

1982-06-22

1983-12-13

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423166, C01B 1700

Patent

active

044204655

ABSTRACT:
A process for desulfurizing an exhaust gas which comprises desulfurizing an exhaust gas containing SO.sub.2 by bringing it into contact with a slurry containing calcium compounds and aluminum compounds, characterized in that the concentration of the dissolved aluminum ion in said slurry is detected and a manganese compound is supplied into said slurry in such a manner that the ratio of the concentration of manganese (including both solid and liquid) to said concentration of the dissolved aluminum ion may be maintained in a molar ratio of less than 1 in said slurry.

REFERENCES:
patent: 2342704 (1944-02-01), Striplin
patent: 3836630 (1974-09-01), Noguchi et al.
patent: 3920794 (1975-11-01), La Mantia et al.

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