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| 西安市典型行业VOCs源成分谱及环境影响 |
| Source Profiles and Environmental Impact of VOCs in Typical Industries in Xian |
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| DOI： |
| 中文关键词: 挥发性有机物 典型工业 谱库 环境影响 西安市 |
| 英文关键词: VOCs Typical industry Source profile Environmental impact Xian |
| 基金项目:国家重点研发计划基金资助项目（2017YFC0212200）；陕西省重点研发计划基金资助项目（2024SF-YBXM-569） |
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| 中文摘要: |
| 采用苏玛罐采样-GC/MS法分析西安市家具制造、表面涂装、汽车整车制造和印刷行业VOCs成分谱，计算不同工序VOCs对O3和二次有机气溶胶（SOA）的生成贡献。结果表明：西安市不同行业TVOC排放值为0.332mg/m3～45.7mg/m3，涂装行业最高，其次是印刷工序和木质家具制造，汽车软装和印刷覆膜工序较低。木质家具VOCs主要为芳香烃、含氧类有机物和烷烃，随着油性漆替换为水性漆，芳香烃占比下降，含氧类有机物占比上升。汽车喷涂VOCs主要为芳香烃和含氧类有机物，印刷行业VOCs中含氧类有机物占比高。表面涂装排放VOCs对生成O3和SOA贡献最高，印刷行业 ROF 最小，汽车软装工序 RSOA 最小。 |
| 英文摘要: |
| The source profile of VOCs in furniture manufacturing, surface coating, automobile manufacturing and printing industries in Xian were analyzed by Suma canister collecting GC/MS. The contribution of VOCs from different processes to the generation of O3 and secondary organic aerosol(SOA) was calculated. The results showed that TVOC mass concentration from different industries in Xian was from 0.332 mg/m3to 45.7 mg/m3, with the highest in painting industry, followed by printing process and furniture manufacturing, and the lowest in automobile decoration and laminating process. VOCs from furniture manufacturing were mainly aromatic hydrocarbons, oxygen containing organic matter and alkane. With the substitution of oil based paint for water based paint, the proportion of aromatic hydrocarbons decreased and the proportion of oxygen containing organic matter increased. VOCs from automobile spray were mainly aromatic hydrocarbons and oxygen containing organic matter. The proportion of oxygen containing organic matter in VOCs from printing industry was high. VOCs from surface coating contributed the most to the generation of O3 and SOA. ROF of VOCs from printing industry was the smallest. RSOAof VOCs from automobile decoration process was the smallest. |
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