Abstract

The possibility of removing the pollutants by arc plasma injection from dirty gas containing higher concentrations of NOx, SOx, HCl and dust emitted from a municipal refuse incinerator has been studied in this paper. A low-power arc plasma generator is designed and operated continuously on argon gas with high stability. The air is injected from a capillary into an argon plasma jet, and the formation of NOx is measured in order to assess the generation of specific radicals in the plasma wake. The optimum injection points for generating radicals and for the stable operation of the plasma are discussed; the formation of NOx in the presence of oxygen for a practical system is also evaluated.

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