Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component
Patent
1979-06-19
1980-11-25
Peters, G. O.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Nitrogen or nitrogenous component
423242, 423431, 423567A, C01B 1704, C01C 110
Patent
active
042358523
ABSTRACT:
A process is described for treating an exhaust gas containing NO.sub.x and SO.sub.x in which NO.sub.x and SO.sub.x are effectively converted into industrially useful products of NH.sub.3, or sulfur by use of an aqueous absorbing solution containing at least iron chelate salt and potassium sulfite.
REFERENCES:
patent: 3932587 (1976-01-01), Grantham et al.
patent: 3991161 (1976-11-01), Saitoh et al.
patent: 4141961 (1979-02-01), Miller
Kudo Yoshihiko
Nomoto Kohki
Kureha Kagaku Kogyo KabushikiKaisha
Peters G. O.
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