国六较之国五标准更严格,要求氮氧化合物与颗粒物排放量更低,且新增了粒子数量的限制要求,未达到国六排放标准,各大主机厂商也纷纷大展身手,要么降低发动机动力,要么升级尾气处理。 国六时代也涌现出了一波新名词,比如EGR、DOC、DPF、SCR,这都是 ...
【太平洋汽车】doc的作用是通过doc可以将发动机排放的一氧化碳(CO)、碳氢化合物(HC)催化还原成二氧化碳和水,并吸收少量碳颗粒物,达到减少有害气体及少量碳颗粒物排放的目的。 DOC与DPF结合在柴油机后处理上的应用研究摘要:通过对柴油发动机后处理 ...
Manufacturers are busy rolling out solutions to meet Final Tier 4 off-road requirements for diesel engine exhaust emissions, and the technologies look very familiar to those already in use in the ...
In 2019, Stage V emissions regulations will go into effect in Europe for non-road mobile machinery (NRMM) engines in the 25.5- to 751-hp power range. This next step — which will be the strictest in ...