Method for removing sulphur in elemental form from gases contain

Details Method for removing sulphur in elemental form from gases contain Method for removing sulphur in elemental form from gases contain

1988-10-11

1990-06-26

McFarlane, Anthony

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423242, 423577, C01B 1705, C01B 1716

Patent

active

049370570

ABSTRACT:
The present invention relates to a method for removing sulphur dioxide and possible hydrogen sulphide as well as nitric oxides from exhaust gases by means of sulphides in a liquid phase so that the sulphur is recovered in the form of molten elemental sulphur. The soluble sulphates formed in the scrubbing are regenerated after a known fashion by means of sulphides or by reducing back into sulphides and are conducted back into the sulphur dioxide absorption stage.

REFERENCES:
patent: 2209331 (1940-07-01), Haglund
patent: 2863732 (1958-12-01), Bowers et al.
patent: 3529957 (1970-09-01), Kunda et al.
patent: 3784680 (1974-01-01), Strong et al.
patent: 4083944 (1978-04-01), Chalmers
patent: 4418014 (1983-11-01), Daniek
patent: 4444736 (1984-04-01), Shapiro

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