柴油机污染物排放后处理技术的研究进展

Study Progress on Diesel Engine Exhausted Pollutants After-treatment Technique

国内外柴油机主要排放物NOx和微粒的后处理技术的研究现状和最新技术发展动态表明,机内、机外处理技术的组合,是达到未来柴油机排放标准、实现大幅度降低柴油机污染物排放的趋势。分析了各种机外净化技术的特点和存在问题,阐述了燃油含硫量对柴油机排放后处理的影响。

The status quo and study progress on diesel engine main exhausted pollutants NOx and particulates both domestic and abroad showed that the combined treatment technique of internal and external engine is the trends of achieving emission standards and realizing great reduction of pollutant emission, analyzing the characteristics and existing problems of every kind of purifying external engine technique, and discussing the sultur content of diesel of and its effect on after-treatment have been presented.