Research Progress in Particulate Matter Purification of Diesel Vehicle Exhaust
Diesel vehicles exhaust particulate matter is one of the sources of atmospheric pollutants,and the purification of exhaust particulate matter is an important component of post-treatment,and these technologies have developed rapidly.This article reviews the composition of diesel engine exhaust particulate matter and the purification methods for diesel engine exhaust particulate matter,including diesel particulate filtration technology,folding filter cartridges,exhaust washing and purification technology,low-temperature plasma synergistic catalytic purification technology,and micro rotating high gravity machine purification technology.Various technologies have their advantages and disadvantages.It is necessary to choose appropriate purification technologies and equipment based on the power of diesel vehicles and application environment,combine exhaust pre-treatment with deep purification,and apply particulate matter purification technology with CO,NOx,and hydrocarbon removal technology synergistically,without affecting engine performance and have no safety hazards.
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