Nitrogen oxide scrubbing with alkaline peroxide solution

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

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423210, C01B 2100

Patent

active

056372825

ABSTRACT:
A nitrogen oxide scrubbing process comprises the step of contacting effluent containing nitrogen oxide with an aqueous alkaline peroxide solution. The process may take place in scrubbing towers where the aqueous solution flows countercurrent to the effluent.

REFERENCES:
patent: 4425313 (1984-01-01), Cooper
patent: 5064625 (1991-11-01), Curtius
patent: 5112587 (1992-05-01), von Wedel et al.
patent: 5397549 (1995-03-01), Newman
Rossi, "How to Control NO.sub.x " Pollution Engineering, Apr. 1995, pp. 50-52 Apr. 1995.
Kasper et al., "Control of Nitrogen Oxide Emissions by Hydrogen Peroxide-Enhanced Gas-Phase Oxidation of Nitric Oxide," 46 J. Air & Waste Mgt. Assoc. 127 (1996).

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