Recovery of elemental sulfur from sulfur dioxide bearing waste g

Details Recovery of elemental sulfur from sulfur dioxide bearing waste g Recovery of elemental sulfur from sulfur dioxide bearing waste g

1973-10-29

1976-07-13

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423242, C01D 1704

Patent

active

039694925

ABSTRACT:
Process for effecting the selective removal of sulfur dioxide values from industrial waste gases or the like and conversion thereof to elemental sulfur wherein a particularly constituted solution of mixed ammonium phosphates is exposed to absorbent contact with the sulfur dioxide bearing gas stream followed by recovery of the sulfur values therefrom and regeneration of the absorbent solution preparatory to reexposure thereof to the sulfur dioxide bearing gas stream.

REFERENCES:
patent: 2142987 (1939-01-01), Bacon et al.
patent: 3431072 (1969-03-01), Rozie et al.
patent: 3630672 (1971-12-01), Potts
patent: 3633339 (1972-11-01), Wiewiorowski
patent: 3767777 (1973-10-01), Frye et al.

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