Emission characteristics of volatile organic compounds (VOCs) from typical plywood industry
Lü Da-qi1,2, LU Si-hua1,2, SHAO Min1,2, WANG Ling-feng3, REN Jie1,2
1. College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China;
2. State Joint Key Laboratory of Environmental Simulation and Pollution Control, Beijing 100871, China;
3. Heze Institute of Environmental Science, Heze 274200, China
VOCs emission characteristics of typical plywood industry in Shandong were determined using SUMMA canister-GC- MS/FID analysis system. The results showed that alkanes (13.81%~39.16%), oxygenated VOCs (5.68%~36.06%) and aromatics (3.58%~48.12%) were the main emission components of hot pressing and gluing processes, while exhaust gas discharges were dominated by oxygenated VOCs(6.49%~83.88%). The characterized VOC emissions compositions in each process were different; alkenes and alkynes(27.12%~39.38%) and aromatics(32.47%~45.63%) were the high OFP components of hot pressing and gluing process, and oxygenated VOCs(52.82%) in the exhaust gas discharge contributed the most to O3 generation. Based on the SOAP evaluation, aromatics(97.08%~98.03%) were the main active components in all processes; also, the emission factor of VOCs in the Shandong plywood manufacturing industry was measured to be 0.89g VOCs/m3 plywood.
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