Discussion on the Determination Methods of Volatile Organic Compounds in Waste Gas from Stationary Pollution Sources
[Purposes]In recent years,the emission of volatile organic compounds(VOCs)has been in-creasing,and the composition is complex.It has serious impacts on the environment,which attracted more and more attention.VOCs generated from stationary pollution sources is the main source.Control-ling VOC emissions from stationary pollution sources is crucial for air pollution control.[Methods]This article introduces the current domestic standards for the determination of volatile organic compounds in waste gas from stationary pollution sources,lists the effective methods for sampling VOCs,analyzes the advantages and disadvantages of laboratory measurements and on-site measurement methods.[Findings]The accuracy of laboratory monitoring is high,and many kinds of pollutants can be analyzed,but the transportation and storage process of samples can affect the measurement results.The process of on-site measurement is fast and simple,but the accuracy is low.[Conclusions]In future research,on-site mea-surement and laboratory measurement can be organically combined to make the results more real,accu-rate and complete,so as to better assist in the prevention and control of air pollution.
volatile organic compoundsstationary pollution sourceswaste gas
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