Title:
二元燃料酸化触媒、二元燃料ＳＣＲ排ガス処理機構、二元燃料ディーゼル内燃機関、および、その制御方法
Document Type and Number:
Japanese Patent JP6501115
Kind Code:
B2
Abstract:
The present invention provides a dual-fuel oxidation catalyst, a dual-fuel SCR exhaust gas treatment mechanism, a dual-fuel diesel internal combustion engine, and a control method thereof to reduce the NOx purification effect of the SCR catalyst and the PM purifying effect by combustion in the smoke removal filter Worry. The dual fuel oxidation catalyst is used to treat exhaust gas of an internal combustion engine using diesel fuel and natural gas fuel as fuels, and has a function of converting a part of nitrogen monoxide contained in combustion exhaust gas of diesel fuel into nitrogen dioxide, Wherein the function of oxidizing and decomposing methane contained in the exhaust gas is such that when the inlet temperature of the combustion exhaust gas to the dual-fuel oxidation catalyst is 200DEG C or higher and 300DEG C or lower, the conversion rate of nitrogen monoxide to nitrogen dioxide is 20 % Or more and 60% or less, and when the inlet temperature is 380 DEG C, 80% or more of the methane in the exhaust gas is oxidized and decomposed.
Inventors:
Takeaki Kitamura
Daisuke Shimizu
Ryota Kakurai
Daisuke Shimizu
Ryota Kakurai
Application Number:
JP2015099954A
Publication Date:
April 17, 2019
Filing Date:
May 15, 2015
Export Citation:
Assignee:
Acr corporation
International Classes:
B01J23/63; B01D53/94; F01N3/022; F01N3/023; F01N3/08; F01N3/24; F01N3/28; F02D19/06; F02D19/08
Domestic Patent References:
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Foreign References:
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| US20140271429 | ||||
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Attorney, Agent or Firm:
Fumio Takino
Takao Kawasaki
Toshiaki Tsuda
Takao Kawasaki
Toshiaki Tsuda