three-burn

The results showed that putting three way catalyst before the NO_x adsorber catalyst is the best scheme of reducing NO_x emission in lean burn gasoline engine, and NO_x conversion efficiency reaches 97.3% in the experimental condition.

试验结果表明：三元催化转化器位于吸附还原催化转化器之前的布置方案具有最好的降低稀燃汽油机NOx排放的效果.在该试验条件下，NOx催化转化率最高可达到97.3%。

The effects of the new catalyzing system consisting of traditional three way catalyst converter and adsorber-reduction catalyst converter on the emission characteristics and fuel economy of lean burn SI engine operated under different speeds and loads were investigated.

应用传统的三效催化器和稀燃NOx吸附还原催化器组成的新型复合尾气催化系统对稀燃发动机不同转速和负荷工况下的排放特性和燃油经济性的影响进行了实验研究。

Reduction of NO_x Emission in Lean Burn Gasoline Engine Under Different Combination Schemes of NO_x Adsorber and Three Way Catalysts

用吸附还原与三元催化器组合降低富氧汽油机NO x的排放