我国汽车尾气污染及其控制

１９９５年全国机动车排放的ＣＯ和ＮＯｘ分别为２０００万吨和１２０万吨，两者和铅对城市大气污染的分担率分别达８５％、４０－４５％和８０－９０％。国内应重点开发贵金属－稀土、贵金属－稀土－过渡金属复合催化剂净化汽车尾气，并健全行政、经济等措施加以控制。

Vehicle Waste-gas Pollution and Its Control

In 1995,the CO and NOx discharged from vehicles are 20 million tons and 1 2 million tons.The sharing rate of pollution of CO,NOx and Lead to the urban air are respectively 85%,40-45% and 80-90%.Development priority should be given to precious metals-rare-earth and precious metal-rare-earth-transition elements composite catalyst to purify the vehicle waste-gas.Sound administrative and economic measures should be accordingly adopted.