Analysis and Treatment Measures of VOCs Emissions from Industrial Waste Gas in Meishan City
This paper analyses the pollution characteristics and source features of VOCs exhaust in industrial waste gas in Meishan City,and to study the treatment of VOCs exhaust.This study Volatile organic compounds(VOCs)in the air in Meishan City were detected offline by thermal desorption gas chromatography during the period from March 2022 to August 2022,and the source of VOCs exhaust was determined by analyzing the compositional characteristics and sampling generation potential of VOCs exhaust,and corresponding management measures were formulated by combining with the source of VOCs in industrial exhaust.The results show the VOCs in Meishan City are mainly composed of alkanes,halogenated hydrocarbons,OVOCs,aromatic hydrocarbons,and olefins,with alkanes,halogenated hydrocarbons,and OVOCs contributing to the highest degree.The contribution ratio of the ozone generation potential of alkanes was 23.62%to 53.69%,aromatic hydrocarbons 8.61%to 38.97%,olefins 7.12%to 32.41%,OVOCs 12.78%to 21.69%,halogenated hydrocarbons did not contribute more than 6.00%,and other VOCs did not contribute more than 1.00%.The main industrial sources of VOCs were from energy enterprises,chemical enterprises,and machinery manufacturing enterprises.In the VOCs exhaust treatment in Meishan City,it is necessary to choose reasonable treatment measures by fully considering the characteristics of the VOCs exhaust composition of different industrial enterprises,in order to effectively improve the effect of VOCs exhaust treatment and reduce the content of VOCs exhaust in the atmosphere.