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SCR


Selective Catalytic Reduction (SCR) refers to reducing Nitrogen Oxides (NOx) in diesel exhaust.

  • A reductant, usually ammonia solution is combined with a stream of exhaust gas and reacted to a catalyst
  • The SCR reaction occurs, as the reaction towards completion, the products are nitrogen and carbon dioxide are produced
  • Selective Catalytic Reduction is sensitive to contamination and plugging which came from abnormal occurrences, even normal operation
  • The Diesel Particulate Filter is used as an after treatment in order to conform with the requirements to significantly reduceParticulate Filter is used as an after treatment in order to conform with the requirements to significantly reduce exhaust emissions