Low temperature SNCR process for NO(x) control

Moo Been Chang, Chin Fong Cheng

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15 Scopus citations


Results from an experimental investigation of plasma-assisted reduction of NO to N2 in gas streams are presented. Reduction of NO is primarily achieved via its reaction with NH2 and NH radicals which are externally generated via the dissociation of NH3 with dielectric barrier discharges. As high as 75% removal efficiency of NO is achieved at room temperature for the gas stream containing 300 ppmv NO. High temperatures, essential for conventional selective noncatalytic reduction (SNCR) to be effective, can be greatly reduced using this technique. Effects of NH3 to NO molar ratio and oxygen content on the NO removal efficiency will also be reported.

Original languageEnglish
Pages (from-to)73-78
Number of pages6
JournalScience of the Total Environment
Issue number1
StatePublished - 9 May 1997


  • ammonia injection
  • NO(x) removal
  • plasma generation
  • selective noncatalytic reduction (SNCR)


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