Method for sulfur dioxide and nitrogen reduction in boiler stack

Details Method for sulfur dioxide and nitrogen reduction in boiler stack Method for sulfur dioxide and nitrogen reduction in boiler stack

1990-09-27

1992-03-31

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423242, C01B 2100, C01B 1700

Patent

active

051006340

ABSTRACT:
A method wherein a boiler stack may be retrofitted for sulfur dioxide removal with ammonium sulfite scrubbing and nitrogen oxide reduction by reaction with chelated iron, and wherein a nitrogeneous fertilizer fortified with chelated iron is produced and stored in a cooling pond for sale as a 50% solution.

REFERENCES:
patent: 2862789 (1958-12-01), Burgess
patent: 3695829 (1972-10-01), Griffin
patent: 3927178 (1975-12-01), Jordan
patent: 4372932 (1983-02-01), Hass

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