Preparations of highly active catalysts for ultra clean transportation fuels

摘要

Recently,harmful effects of some pollutants from vehicles on human body have been pointed out and more severe regulations are legislated to reduce SO_x,NO_X and suspended particulate matters(SPM)contained in exhaust gases of vehicles.In order to meet the severe regulations,various kinds of techniques(e.g.EGR,DPF,etc)have been developed for the treatment of exhaust gas.