Process for removing oxides of nitrogen and sulfur from exhaust

Details Process for removing oxides of nitrogen and sulfur from exhaust Process for removing oxides of nitrogen and sulfur from exhaust

1975-04-03

1977-02-22

Vertiz, Oscar R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423239, 423242, 423555, 423212, C01B 2100

Patent

active

040092445

ABSTRACT:
The present invention relates to a process for wet-treating an exhaust gas which comprises simultaneously removing a nitrogen oxide (NO.sub.x) and a sulfur oxide (SO.sub.x) from an exhaust gas containing these oxides by treating exhaust gas containing oxides of nitrogen and sulfur with a lime or limestone slurry containing alkali metal or alkaline earth metal iodide.

REFERENCES:
patent: 2242217 (1941-05-01), Amenabar
patent: 3499723 (1970-03-01), Hamilton et al.
patent: 3556722 (1971-01-01), Owaki et al.
patent: 3652227 (1972-03-01), Harman et al.
patent: 3733393 (1973-05-01), Couillaud et al.
patent: 3773897 (1973-11-01), Fields et al.
patent: 3888968 (1975-06-01), Atsukawa et al.
Chemical Abstracts-1957-15226a.

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