A Study of After-Treatment System for Heavy Duty Trucks at Low Temperature Conditions

Paper #:
  • 2016-01-0924

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-0924
Citation:
Nakagawa, S., Tsumagari, I., Sato, S., and Machida, K., "A Study of After-Treatment System for Heavy Duty Trucks at Low Temperature Conditions," SAE Technical Paper 2016-01-0924, 2016, doi:10.4271/2016-01-0924.
Pages:
6
Abstract:
The conventional NOx after-treatment system could not perform sufficient NOx removal since exhaust gas temperature falls down by low-fuel-consumption and waste heat recovery of a diesel engine. In order to realize a new after-treatment system with high NOx conversion rate at a low catalyst temperature, studies on adopting an ozone generator (NO oxidization promotion) and a urea reformer (ammonia addition) into the Urea SCR (Selective Catalytic Reduction) system have been conducted.
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