固定污染源废气中挥发性有机物测定方法探讨  

Discussion on the Determination Methods of Volatile Organic Compounds in Waste Gas from Stationary Pollution Sources

作　　者：马梦杰 范传艺 杨明沁 MA Mengjie;FAN Chuanyi;YANG Mingqin(Jiaozuo Ecological Environment Monitoring Center of Henan Province,Jiaozuo 454000,China)

机构地区：[1]河南省焦作生态环境监测中心,河南焦作454000

出　　处：《河南科技》2024年第4期122-125,共4页Henan Science and Technology

摘　　要：【目的】近年来,挥发性有机物排放日益增多,对环境产生严重影响,固定污染源产生的挥发性有机物是其主要来源。管控固定污染源挥发性有机物的排放对大气污染防治至关重要,需要对其测定方法进行探讨。【方法】介绍了国内现行的固定污染源废气中挥发性有机物的测定方法标准、列出了现行有效的VOCs采样方法、分析了固定污染源废气VOCs实验室测定方法和现场测定方法及其优缺点。【结果】实验室监测准确度高、可分析污染物种类多,但样品运输和保存过程会影响测定结果;现场测定快速、简便,但准确度低。【结论】在今后的研究中,可将现场测定和实验室测定有机结合,使监测数据更真实、准确、完整,从而更好地助力大气污染防治。[Purposes]In recent years,the emission of volatile organic compounds(VOCs)has been increasing,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.Controlling 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 measurement and laboratory measurement can be organically combined to make the results more real,accurate and complete,so as to better assist in the prevention and control of air pollution.

关 键 词：挥发性有机物 固定污染源 废气 

分 类 号：X831[环境科学与工程—环境工程]