Method of producing calcium sulfate dihydrate in connection with

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

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423166, 423555, C01B 1700

Patent

active

045768030

ABSTRACT:
A scrubber for flue gases from a fossil-fired power plant in which calcium sulfate dihydrate is produced by recirculating the scrubbing water suspension containing lime and introducing oxygen into the sump collection, has a discontinuously operated pump which withdraws the suspension for recovering of the solid product only discontinuously so as to maintain the solids concentration between 40 and 130 g/l.

REFERENCES:
patent: 2080779 (1937-05-01), Lessing
patent: 2090142 (1937-08-01), Nonhebel et al.
patent: 2090143 (1937-08-01), Nonhebel et al.

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