Teng Fu-Hua, Yang Zhong-Ping, Dong Shi-Bi, Fu Chao, Miao Xiao-Ping, Gu Zheng-Yu
Zhejiang Province Academy of Environmental Science, Hangzhou 310007, China.
Huan Jing Ke Xue. 2020 Mar 8;41(3):1093-1098. doi: 10.13227/j.hjkx.201906015.
Four typical automobile manufacturing enterprises in Zhejiang Province were selected to determine the main production and emission links of volatile organic compounds (VOCs) in this industry by analyzing their production processes and the main raw and auxiliary materials used. Two of them were monitored on the spot, and the producing coefficients and emission coefficients of the VOCs discharged from the automobile manufacturing industry in Zhejiang Province were calculated. Then, the production and emission of VOCs in this industry in 2017 in Zhejiang Province were estimated. The results show that the main production and emission links of VOCs in the automobile manufacturing industry in Zhejiang Province are coating processes. Only a few of the automobile manufacturers in Zhejiang Province can deal with the paint exhaust gas effectively at present; in addition to coatings, solvent-based cleaning agents are also one of the main sources of VOCs in this industry. The VOC producing coefficients of the automobile manufacturing industry in Zhejiang Province are 0.20 t·t, 3.92 kg·vehicle, and 29.36 g·m; the emission coefficients are 0.13 t·t, 2.63 kg·vehicle, and 19.72 g·m. The quantity of VOCs generated by this industry in 2017 was 2425.84 t, while the quantity of emissions was 1627.54 t.
选取浙江省4家典型汽车制造企业，通过分析其生产工艺及使用的主要原辅材料，确定该行业挥发性有机物（VOCs）的主要生产和排放环节。对其中2家企业进行现场监测，计算浙江省汽车制造业VOCs的产生系数和排放系数。进而估算2017年浙江省该行业VOCs的产生量和排放量。结果表明，浙江省汽车制造业VOCs的主要生产和排放环节为涂装工序。目前浙江省仅有少数汽车制造企业能够有效处理喷漆废气；除涂料外，溶剂型清洗剂也是该行业VOCs的主要来源之一。浙江省汽车制造业VOCs的产生系数分别为0.20 t·t、3.92 kg·辆、29.36 g·m；排放系数分别为0.13 t·t、2.63 kg·辆、19.72 g·m。2017年该行业VOCs产生量为2425.84 t，排放量为1627.54 t。
