Method for the removal of sulfur dioxide and nitrogen oxides for a gaseous stream
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United States of America Patent
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Nov 4, 1997
Grant Date -
N/A
app pub date -
Jan 19, 1996
filing date -
Jan 19, 1996
priority date (Note) -
Expired
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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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