企业挥发性有机物排放特征及替代分析

Emission Characteristics and Substitution Analysis of Volatile Organic Compounds in Enterprises

本研究通过对区域内特定行业进行调研,选取已开展部分原料替代的企业,通过开展VOCs采样检测,分析低VOCs含量原辅材料水性漆替代油性漆的VOCs排放特征,并进行环境效益与健康效益分析。调研发现,在环境效益方面,低VOCs含量原辅材料替代对环境存在一定的正面效益;低VOCs含量原辅材料替代前控制芳香烃,替代后优先控制含氧VOC;在健康效益方面,低VOCs含量原辅材料替代前后均可能存在非致癌健康风险和可能致癌风险或致癌风险,因此无论替代与否企业均需加强职业健康安全风险控制。企业存在VOCs收集效率较低,无组织排放较大,末端治理设施处理效率较低等情况。企业在考虑源头削减控制VOCs产生的同时需加强对VOCs的收集与处理管控。

In this study,through the investigation of specific industries in the region,select enterprises that have carried out partial raw material replacement,and carry out VOCs sampling and detection,analyze the VOCs emission characteristics of water-based paints with low VOCs content of raw and auxiliary materials instead of oil-based paints,and analyze the environmental and health benefits.In terms of environmental benefits,the substitution of raw and auxiliary materials with low VOCs content has certain positive environmental benefits;Control the aromatic hydrocarbon before the substitution of raw and auxiliary materials with low VOCs content,and preferentially control the oxygen-containing VOC after the substitution;In terms of health benefits,there may be non-carcinogenic health risks and possible carcinogenic risks or carcinogenic risks before and after the replacement of raw and auxiliary materials with low VOCs content,so enterprises need to strengthen occupational health and safety risk control regardless of replacement.Enterprises have low VOCs collection efficiency,large unorganized emissions,and low treatment efficiency of end treatment facilities.Enterprises need to strengthen the collection and processing control of VOCs while considering the source reduction and control of VOCs generation.