Method for the removal of nitric oxide from gas streams

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component

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423212, B01D 5334

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active

043259251

ABSTRACT:
A method for removing nitric oxide from gas streams containing same. The nitric acid is removed by contacting the nitric oxide with elemental iron in the presence of water. The nitric oxide is believed to be reduced to nitrogen gas. The method has particular applications to removal of nitric oxide from gas streams produced during combustion of carbonaceous materials.

REFERENCES:
patent: 3206414 (1965-09-01), Gunther
patent: 3370914 (1968-02-01), Gross et al.
patent: 3565574 (1971-02-01), Rearby et al.
Klimisch et al; The Catalytic Chem. of Nitrogen Oxides; Plenum Press; N.Y.; 1975, pp. 119-127 & 252-259.

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