VOCs emission characteristics, environmental impact and health risk assessment of typical printing enterprises in Guangzhou
FENG yang1, LIU Rui-yuan1, LIU Lei-lu1, LU Shi-wen1, HUANG Hao-min1,2,3,4, FAN Li-ya1,2,3,4, YE Dai-qi1,2,3,4
1. School of Environment and Energy, South China University of Technology, Guangzhou 510006, China; 2. National Engineering Laboratory for VOCs Pollution Control Technology and Equipment, Guangzhou 510006, China; 3. Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, China; 4. Guangdong Provincial Engineering and Technology Research Centre for Environmental Risk Prevention and Emergency Disposal, Guangzhou 510006, China
Abstract：Taking typical printing enterprises in Guangzhou as the research objects, this paper discussed the emission characteristics, environmental impact and human health risks of VOCs in this industry based on the comprehensive statistical analysis of the concentrations and components of each emission stages. The results showed that the VOCs concentration was 3.51~73.57mg/m3 in the pre-press workshop, 0.86~435.10mg/m3 in the printing workshop, 0.05~221.93mg/m3 in the post-press workshop, respectively. The concentration at outlet of the exhaust-gas treatment facility was 4.28 ~ 66.84mg/m3 with treatment efficiencies ranging between 3.01% and 54.90%. The main emitted VOCs species consisted of aromatic hydrocarbons, alcohol ethers and esters, and the average ozone formation potential was 111.09mg/m3. Since aromatic hydrocarbons poses greater environmental impacts and health risks, it was recommended that the targeted control of aromatic hydrocarbons should be strengthened.
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FENG yang, LIU Rui-yuan, LIU Lei-lu, LU Shi-wen, HUANG Hao-min, FAN Li-ya, YE Dai-qi. VOCs emission characteristics, environmental impact and health risk assessment of typical printing enterprises in Guangzhou. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(9): 3791-3800.
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