典型胶合板制造企业VOCs排放特征

通过苏玛罐采样和GC-MS/FID分析系统，测定了山东地区典型胶合板制造企业的VOCs排放特征.结果表明，烷烃（13.81%~39.16%）、含氧VOCs（5.68%~36.06%）和芳香烃（3.58%~48.12%）是热压和涂胶工艺主要排放成分，废气排口以含氧VOCs（6.49%~83.88%）排放为主，不同工艺环节的特征VOCs组分各有不同；烯炔烃（27.12%~39.38%）和芳香烃（32.47%~45.63%）是热压工艺和涂胶工艺的高OFP组分，废气排口则以含氧VOCs（52.82%）对O₃生成贡献最大；基于SOAP评估，各环节均以芳香烃类化合物（97.08%~98.03%）为主要活性组分；测得山东地区胶合板制造行业VOCs排放因子为0.89g VOCs/m³胶合板.

Emission characteristics of volatile organic compounds (VOCs) from typical plywood industry

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.