稀燃汽油机NOx排放控制的实验研究.pdf

维普资讯
· 试验·测试·
稀燃汽油机 NO 净化技术
一吸附还原催化法试验研究木
孙志军张继鹏’李志军刘书亮
(;)
【摘要】简述了降低稀燃汽油机 NO 排放的催化分解法、选择还原催化法和吸附还原催化法。在 8A—FE型汽油
机上进行的试验表明,吸附还原催化法可有效地降低稀燃汽油机的 NO 排放。建议采用传统三效催化器在前、稀燃
NO 吸附还原催化转化器在后的联合布置方案,并严格限制汽油中的含硫量。
主题词:汽油机稀薄燃烧 N 吸附还原催化法
中图分类号: 文献标识码:A 文章编号:1000—3703(2005)07—0022—03
Experimental Studies onNOx cleaning Technology for bustion
GasolineEngines卜_—— Abs0rpti0n Reduction CatalysisMethod
Sun Zhijun',Zhang Jupeng~,Li Zhijun2,Liu Shuliang2 Shuliang2 Zhijun2,Liu Jupeng~,Li SunZhijun',Zhang
( University; University} University} University; (
【Abstract]The catalysis position selective reduction catalysis method and the absorption reduction reduction absorption the andmethod catalysis reduction position 【Abstract]Thecatalysis
catalysis methodcatalysis reducing for NO bustion gasoline engines are bhefly shown is by tests
with a 8A—FE cgasoline engine that the absorption reduction catalysis method can effectively reduce NO emissions of
bustion layout design concept to locate the typical three-way catalystahead and the lean
combustion NO absorption reducation catalystbehind presentedis and proposedis it control strictly tosulfur content.
Key words:Gasolineengine,bustion,No ,Absorptionreduction catalysis method
1 汽油机稀燃与 NOx净化问题
节