Characteristics of PM2.5 and VOCs emission from chemical fiber industry
CHEN Wen cong, HOU Yi wen, WU Jian, WANG Li hong
1. College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China;
2. Environmental Science Research and Design Institute of Zhejiang, Hangzhou 310007, China
Chemical fiber industry in China was discussed by using local emission factors and its VOCs emission inventories were constructed via time, space and subsectors, respectively. Both emission characteristics and correlations between particle matter with diameter of less than 2.5 μm (PM2.5), VOCs and other factors (NOx, SO2, PM10, CO and regions, sub-sectors) were presented with the Salford Predictive Miner. Results showed that VOCs emission from chemical fiber industry in China had a rapid rise in recent years. Rayon was recognized as the key VOCs emission source for chemical fiber industries, accounting for more than 60% of total VOCs. For Zhejiang province, NOx emission reduction played a key role for controlling PM2.5 index values. A large amount of low concentrations VOCs emissions should be limited for keeping a small PM2.5 index. More attention should be paid on the control of total NOx emissions amount and VOCs emission concentrations when developing air pollution control measures and policies in chemical fiber industry.
CHEN Wen cong, HOU Yi wen, WU Jian, WANG Li hong. Characteristics of PM2.5 and VOCs emission from chemical fiber industry. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 2017, 51(1): 145-152.
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