典型人造板制造企业VOCs排放特征及成分谱研究
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摘要
为研究人造板制造企业VOCs排放特征及源成分谱,通过现场采样的方法,对A和B两家典型人造板制造企业VOCs各排放环节进行了采样和分析。结果表明:调胶、施胶排放口VOCs和甲醛排放浓度均最高,分别为13. 06 mg/m~3和33. 23mg/m~3。对于无组织排放,调胶工段的VOCs和甲醛排放浓度相对较高。A企业和B企业的VOCs排放系数分别为13. 4 g/m~3和208. 3 g/m~3,排放系数差异较大与企业原辅料的种类及使用量有关。人造板制造业有组织排放VOCs以含氧VOC和烷烃为主,浓度占比排名前三的物种为乙醇、丙酮和癸烷,占比分别为57. 38%、13. 04%和7. 64%。无组织排放VOCs则以含氧VOC和芳香烃为主,浓度占比排名前三的物种为乙醇、苯乙烯和丙酮,占比分别为22. 33%,8. 51%和8. 47%。
In order to study the emission characteristics and source composition spectrum of VOCs in wood-based panel manufacturing enterprises,the sampling and analysis of VOCs in two typical wood-based panel enterprises A and B were carried out by field sampling. The results show that the VOCs and formaldehyde emission concentrations of the rubberized and smeared discharge are the highest,with concentration of 13. 06 mg/m~3 and 33. 23 mg/m~3,respectively. For unorganized emissions,VOCs and formaldehyde emission concentrations in the rubber adjusting section are relatively high. The VOCs emission coefficients of A and B are 13. 4 g/m~3 and 208. 3 g/m~3,respectively,and the relatively large difference in emission coefficients is related to the type and usage of raw and auxiliary materials. Organized emission of organic VOCs in the wood-based panel manufacturing industry are mainly composed of OVOC and alkanes,and the top three species are ethanol,acetone and decane,accounting for 57. 38%,13. 04% and 7. 64%,respectively. The unorganized emission of VOCs is dominated by OVOC and aromatic hydrocarbon,and the top three species are ethanol,styrene and acetone,accounting for 22. 33%,8. 51% and 8. 47%,respectively.
In order to study the emission characteristics and source composition spectrum of VOCs in wood-based panel manufacturing enterprises,the sampling and analysis of VOCs in two typical wood-based panel enterprises A and B were carried out by field sampling. The results show that the VOCs and formaldehyde emission concentrations of the rubberized and smeared discharge are the highest,with concentration of 13. 06 mg/m~3 and 33. 23 mg/m~3,respectively. For unorganized emissions,VOCs and formaldehyde emission concentrations in the rubber adjusting section are relatively high. The VOCs emission coefficients of A and B are 13. 4 g/m~3 and 208. 3 g/m~3,respectively,and the relatively large difference in emission coefficients is related to the type and usage of raw and auxiliary materials. Organized emission of organic VOCs in the wood-based panel manufacturing industry are mainly composed of OVOC and alkanes,and the top three species are ethanol,acetone and decane,accounting for 57. 38%,13. 04% and 7. 64%,respectively. The unorganized emission of VOCs is dominated by OVOC and aromatic hydrocarbon,and the top three species are ethanol,styrene and acetone,accounting for 22. 33%,8. 51% and 8. 47%,respectively.
引文
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[2] S Ojala. Catalysis in VOC Abatement[J]. Topics in Catalysis,2011,54(16-18):1224-1256.
[3] E Olsen,F Nielsen. Predicting Vapour Pressures of Organic Compounds from Their Chemical Structure for Classification According to the VOCDirective and Risk Assessment in General[J]. Molecules,2001,6(4):370-389.
[4] M Amann,M Lutz. The revision of the air quality legislation in the european union related to ground-level ozone[J]. Journal of Hazardous Materials,2000,78(1):41-62.
[5] BJ Finlayson-Pitts,JN Pitts. Tropospheric Air Pollution:Ozone,Airborne Toxics,Polycyclic Aromatic Hydrocarbons,and Particles[J]. Science,1997,276(5315):1045-1052.
[6]杨辉,朱彬,高晋徽,等.南京市北郊夏季挥发性有机物的源解析[J].环境科学,2013,34(12):4519-4528.
[7] Yurdakul S,Civan M,Tuncel G. Volatile organic compound in suburban Ankara atmosphere,Turkey:sources and variability[J]. Atmospheric Research,2013,120:298-311.
[8]莫梓伟,陆思华,李悦,等.北京市典型溶剂使用企业VOCs排放成分特征[J].中国环境科学,2015,35(2):374-380.
[9]陈多宏,张涛,蒋斌,等.典型二次有机气溶胶危害性及环境监测技术研究进展[J].环境科学与技术,2014,37(120):305-306.
[10]李建军,胡志军,徐明,等.纤维板工业挥发性有机物排放特征及防治措施[J].纤维素科学与技术,2017,25(1):58-64.
[11] GABRIEL M,BEHN C,EDMONE R. Influence of fibre preparation method and wood species on the VOC-emissions from MDF boards[J]. International Wood Products Journal,2015,6(2):79-83.
[12] MAJID H,RIFFAT N,ADAM T. Environmental profile analysis of particleboard production:a study in a Pakistani technological condition[J]. International Journal of Life Cycle Assessment.DOI 10. 1007/s11367-017-1385-9.
[13] DONG H K,DONG H C,MYOUNG S Y,et al. Evaluation of VOC emission and sorption characteristics of low-VOC adhesivebonded building materials[J]. Journal of Adhesion Science and Technology,2013,27(5):683-698.
[14]孙世静.人造板VOCs释放影响因子的评价研究[D].哈尔滨:东北林业大学,2011.
[15]池东.人造板甲醛释放规律研究[D].长沙:中南大学,2014.
[16]贺德军.人造板车间内甲醛的数值模拟与健康评估[D].长沙:湖南大学,2010.
[17]王高超.室内装饰材料甲醛、VOCs释放与检测分析[D].哈尔滨:东北林业大学,2014.
[18]莫梓伟,邵敏,陆思华.中国挥发性有机物(VOCs)排放源成分谱研究进展[J].环境科学学报,2014,34(9):2180-2189.
[19]艾明.挥发性有机物(VOCs)排放源谱和控制技术评价及臭氧污染防治策略研究[D].郑州:郑州大学,2017.
[20]赵锐,黄络萍,张健强等.成都市典型溶剂使用源使用行业VOCs排放成分特征[J].环境科学学报,2018,38(3):1148-1154.
[21]高宗江.典型涂装行业VOCs排放特征研究[D].广州:华南理工大学,2015.
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