Method for the removal of sulfur dioxide and nitrogen oxides for

Details Method for the removal of sulfur dioxide and nitrogen oxides for Method for the removal of sulfur dioxide and nitrogen oxides for

1996-01-19

1997-11-04

Jones, Deborah

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423235, C01B 1722

Patent

active

056836660

ABSTRACT:
A process for the simultaneous removal of sulfur dioxide and nitrogen oxides from a gaseous stream uses a sorbent containing magnesium ions and sulfite ions for sulfur dioxide removal and a metal chelating agent for nitrogen oxides removal, with the production of an amine disulfonate salt, such as potassium amine disulfonate, as a purified saleable by product.

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patent: 4957716 (1990-09-01), Cichanowicz et al.
patent: 5200160 (1993-04-01), Benson et al.
patent: 5246680 (1993-09-01), Pikkujamsa
patent: 5384111 (1995-01-01), Tseng et al.
patent: 5618511 (1997-04-01), Randolph et al.

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