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Reaction of NO with hypochlorous acid

โœ Scribed by Elena Ghibaudi; John R. Barker; Sidney W. Benson

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
459 KB
Volume
11
Category
Article
ISSN
0538-8066

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โœฆ Synopsis

Abstract

The reaction between NO(g) at concentrations between 0.1 and 1.0 Torr in 1โ€atm N~2~ and aqueous solutions of NaClO has been studied over the pH range of 6โ€“12 and hypochlorite concentrations between 0.01 and 1.0__M__. A very rapid and efficient reaction occurs leading to the production of about 30%โ€“40% of the NO as NO~2~ and with conversions of NO up to 98% at about 1โ€sec contact time. It is shown that a fast chain reaction initiated by the endothermic step
equation image
can account for the data. The very exothermic reaction NO + ClO^โˆ’^ โ†’ NO~2~ + Cl^โˆ’^ is shown to be at least 30โ€fold slower than i. The overall reaction seems very promising as a method of reducing NO and NO~2~ emissions from the exhausts of industrial plants.

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