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浙江省合成革行业挥发性有机物污染特征及排放系数 认领 被引量:3

Pollution Characteristics and Emission Coefficients for Volatile Organic Compounds from the Synthetic Leather Industry in Zhejiang Province
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摘要 以2015年浙江省175家合成革企业调研数据为基础,分析当前浙江省合成革行业挥发性有机物(VOCs)污染治理情况,通过研究筛选出161家重点企业,分析合成革行业污染基本排放特征并计算其VOCs排放系数.结果表明,绝大部分企业对废气采取治理措施,但聚氨酯(PU)后处理工艺没有废气收集和处理设施;绝大部分企业使用的是溶剂型原辅材料,废气中VOCs的主要污染因子为二甲基甲酰胺(DMF)、甲苯、乙酸甲酯、丙酮、乙酸乙酯和丁酮等物质;全省合成革行业的VOCs排放系数均值为0. 168 kg·m^-2.其中聚氨酯平均排放系数0. 170 kg·m^-2,聚氯乙烯(PVC)排放系数为0. 142 kg·m^-2;聚氨酯湿法工艺排放系数均值为0. 191 kg·m^-2,聚氨酯干法工艺VOCs排放系数均值为0. 179 kg·m^-2,聚氨酯后处理工艺VOCs排放系数均值为0. 120 kg·m^-2. Based on the survey of 175 synthetic leather enterprises in Zhejiang Province, China, in 2014, this paper analyzes the control of volatile organic compounds (VOCs) and, ultimately, screened 161 key enterprises for further research. The results showed that most enterprises take measures to control waste gas;however, there is a distinct problem with the efficiency of exhaust gas collection. The industry used Solvent-based materials. The main VOC pollutants were DMF, toluene, methyl acetate, acetone, ethylacetate, and butanone. The VOC emission coefficient of the synthetic leather industry in Zhejiang was 0.168 kg·m^-2. The industry includes polyurethane and polyvinyl chloride processes, for which VOC emission coefficients were 0.170 kg·m^-2 and 0.142 kg·m^-2, respectively. In addition, the emission coefficient of polyurethane wet processes was 0.191 kg·m^-2 and that of dry processes was 0.179 kg·m^-2. The emission coefficient for VOCs in post-treatment processes was 0.120 kg·m^-2.
作者 徐佳琦 王浙明 宋爽 徐志荣 姚轶 XU Jia-qi;WANG Zhe-ming;SONG Shuang;XU Zhi-rong;YAO Yi(College of Environment,Zhejiang University of Technology,Hangzhou 310014,China;Zhejiang Province Academy of Environmental Science,Hangzhou 310007,China)
出处 《环境科学》 EI CAS CSCD 北大核心 2019年第8期3463-3469,共7页 Environmental Science
基金 浙江省化纤行业大气污染物排放标准前期研究(2016A020) 2018年度标准实施绩效评估项目(ZJ-187659).
关键词 合成革 挥发性有机物(VOCs) 排放系数 排放特征 物料衡算 synthetic leather volatile organic compounds(VOCs) emission coefficient emission characteristics material balance
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