1. Faculty of Civil Engineering and Architectural, Kunming University of Science and Technology, Kunming 650500, China;
2. Research Institue of Solid Waste Management, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
The release and distribution characteristics of polycyclic aromatic hydrocarbons (PAHs), chlorobenzene and benzene series in the flue gas of rural solid waste (RSW) incineration were studied under the different temperatures and moisture content conditions. The results showed that when the incineration temperature was less than and more than 550℃, the total release of PAHs and chlorobenzene in flue gas showed a trend of increase and decrease, respectively with increasing of the incineration. The release amount reached the maximum when the temperature rose to 550℃. High temperature incineration of RSW could not only reduce the release concentration of PAHs and the generation of PAHs with large molecular weight in flue gas, but also reduce the release amount of chlorobenzene and chlorine algebra. Thus, the toxicity of RSW incineration flue gas was effectively reduced. With the increase of temperature, the benzene series changed from pyrolysis to high-temperature synthesis, and the release amount also increased. Moisture content had a greater influence on the release of PAHs and chlorobenzene in the flue gas than the release of benzene series. When the incineration temperature was at 400℃ and 850℃, the moisture content promoted and inhibited the release of PAHs on the whole, respectively. The moisture content of RSW showed inhibitory effect on chlorobenzene, and could reduce chlorobenzene compound chlorine algebra.
吴海霞, 岳波, 孟棒棒, 高红, 黄慧, 晏卓逸. 温度和含水率对村镇垃圾焚烧烟气中有机物排放的影响[J]. 中国环境科学, 2020, 40(1): 305-311.
WU Hai-xia, YUE Bo, MENG Bang-bang, GAO Hong, HUANG Hui, YAN Zhuo-yi. The influence of temperature and moisture content on the release of organic pollutants in flue gas of rural solid waste (RSW) incineration. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(1): 305-311.
Zeng C, Niu D J, Zhao Y C. A comprehensive overview of rural solid waste management in China[J]. Frontiers of Environmental Science & Engineering, 2015,9(6):949-961.
[2]
Zhang X J. The effect of the oxygen fraction on volatile organic compound emissions from waste combustion[J]. Environmental Letters, 1998,33(1):147-163.
[3]
Wang T J, Chen T, Lin B B, et al.Emission characteristics and relationships among PCDD/Fs, chlorobenzenes, chlorophenols and PAHs in the stack gas from two municipal solid waste incinerators in China[J]. Rsc Advances, 2017,7(70):44309-44318.
[4]
Chen J C, Huang J S, Chen C M, et al. Emission characteristics of PAHs, benzene and phenol group hydrocarbons in O/RFG waste incineration processes[J]. Fuel, 2008,87(12):2787-2797.
[5]
Kang F X, Mao X W, Wang X Y, et al. Sources and health risks of polycyclic aromatic hydrocarbons during haze days in eastern China:A 1-year case study in Nanjing City[J]. Ecotoxicology and Environmental Safety, 2017,140:76-83.
[6]
Ahmad K H. Benzene's toxicity:a consolidated short review of human and animal studies.[J]. Human & Experimental Toxicology, 2007, 26(9):677-85.
[7]
Yan M, Li X, Chen T, et al. Effect of temperature and oxygen on the formation of chlorobenzene as the indicator of PCDD/Fs[J]. Journal of Environmental Sciences, 2010,22(10):1637-1642.
[8]
Chen J C, Wey M Y, Hui-Yu W U. Emission characteristics of chlorobenzenes, chlorophenols and dioxins during waste incineration with different additives[J]. Combustion Science and Technology, 2007, 179(6):1039-1058.
[9]
Peng N N, Li Y, Liu Z G, et al. Emission, distribution and toxicity of polycyclic aromatic hydrocarbons (PAHs) during municipal solid waste (MSW) and coal co-combustion[J]. Science of The Total Environment, 2016,565:1201-1207.
[10]
Chen Y, Zhao R Z, Xue J, et al. Generation and distribution of PAHs in the process of medical waste incineration[J]. Waste Management, 2013,33(5):1165-1173.
[11]
Korenaga T, Liu X X, Huang Z Y. The influence of moisture content on polycyclic aromatic hydrocarbons emission during rice straw burning[J]. Chemosphere-Global Change Science, 2001,3(1):117-122.
[12]
邵科.二恶英从头合成机理以及硫基抑制机理研究[D]. 杭州:浙江大学, 2010. Shao K. Study on mechanisms of PCDD/Fs formation by de novo synthesis and inhibition by S-inhibitor[D]. Hangzhou:Zhejiang University, 2010.
[13]
晏卓逸.我国村镇生活垃圾焚烧处置特性及其烟气中PAHs和BTEXs的人体健康风险研究[D]. 昆明:昆明理工大学, 2017. Yan Z Y. Study on the characteristics of chinese rural garbage by incineration disposal and the human health risk of PAHs and BTEXs in incineration flue gas[D]. Kunming:Kunming University of Science and Technology, 2017.
[14]
於俊颖,岳波,赵丹,等.华中地区典型农业型村镇生活垃圾的理化特性及季节变化分析[J]. 环境工程, 2018,36(3):127-132. Yu J Y, Yue B, Zhao D, et al. Physic-chemical properties and seasonal variation of rural living solid waste in typical agricultrua[J]. Environmental Engineering, 2018,36(3):127-132.
[15]
李志龙,岳波,弓晓峰,等.我国典型村镇春季生活垃圾的理化特性对比[J]. 环境工程学报, 2017,11(3):1787-1794. Li Z L,Yue B,Ying X F, et al.Comparison of physical and chemical properties of rural domestic garbage from villages and towns in spring,China[J]. Environmental Engineering, 2017,11(3):1787-1794.
[16]
严密.医疗废物焚烧过程二恶英生成抑制和焚烧炉环境影响研究[D]. 杭州:浙江大学, 2012. Yan M.Inhibition of PCDD/Fs formation during medical waste incineration and research of environmental impact of incinerator[D]. Hangzhou:Zhejiang University, 2012.
[17]
杨丽莉,母应锋,胡恩宇,等.Tenax富集-毛细管气相色谱法同时测定环境空气中12种氯苯类化合物[J]. 安全与环境学报, 2007,7(1):106-108. Yang L L, Mu Y F, Hu E Y, et al. Simultaneous determination of trace 12chlorinated benzene compounds in air by capillary gas chromatography with Tenax adsorption tube enrichment[J]. Journal of Safety and Environment, 2007,7(1):106-108.
[18]
Panagiotou T, Levendis Y A, Carlson J, et al. The effect of the bulk equivalence ratio on the pah emissions from the combustion of PVC, poly(styrene), and poly (ethylene)[J]. Symposium on Combustion, 1996,26(2):2421-2430.
[19]
Liu S Q, Wang C H, Zhang S J, et al. Formation and distribution of polycyclic aromatic hydrocarbons (PAHs) derived from coal seam combustion:A case study of the Ulanqab lignite from Inner Mongolia, northern China[J]. International Journal of Coal Geology, 2012, 90-91:126-134.
[20]
Peng N N, Liu Z G, Liu T T, et al. Emissions of polycyclic aromatic hydrocarbons (PAHs) during hydrothermally treated municipal solid waste combustion for energy generation[J]. Applied Energy, 2016, 184:396-403.
[21]
秦林波.医疗垃圾焚烧过程多环芳烃生成与控制研究[D]. 武汉:武汉科技大学, 2017. Qin L B. The formation and reduction mechanism of PAHs during medical waste incineration[D]. Wuhan:Wuhan University of Science and Technology, 2017.
[22]
Yang H H, Lee W J, Chen S J, et al. PAH emission from various industrial stacks[J]. Journal of Hazardous Materials, 1998,60(2):159-174.
[23]
Zhang L, Su X W, Zhang Z X, et al. Characterization of fly ash from a circulating fluidized bed incinerator of municipal solid waste[J]. Environmental Science Pollution Research, 2014,21(22):12767-12779.
[24]
Košná? Z, Mercl F, Perná I, et al. Investigation of polycyclic aromatic hydrocarbon content in fly ash and bottom ash of biomass incineration plants in relation to the operating temperature and unburned carbon content[J]. Science of The Total Environment, 2016,563-564:53-61.
[25]
郭颖.固废处置中持久性自由基/二恶英的排放特性及检测研究[D]. 杭州:浙江大学, 2014. Guo Y. Study on emission characteristics and detection of PCDD/Fs and environment persistent free radicals during solid waste disposal[D]. Hangzhou:Zhejiang University, 2014.
[26]
Wang T J, Chen T, Lin X Q, et al.Emission and distribution of PCDD/Fs, chlorobenzenes, chlorophenols, and PAHs from stack gas of a fluidized bed and a stoker waste incinerator in China[J]. Environmental Science Pollution Research, 2016,24(6):1-12.
[27]
魏新鲜,钱枫,孙晓,等.燃烧条件对燃煤过程多环芳烃生成特征的影响[J]. 现代化工, 2017,(2):90-94. Wei X X, Qian F, Sun X, et al. Effects of combustion conditions on the formation of polycyclic aromatic hydrocarbons (PAHs) in coal combustion process[J]. Modern Chemical Industry, 2017,(2):90-94.
[28]
Ruiz M P, Callejas A, Millera A, et al. Soot formation from C2H2 and C2H4 pyrolysis at different temperatures[J]. Journal of Analytical and Applied Pyrolysis, 2007,79(1):244-251.
[29]
宋健, Fenton试剂与赤泥复合调理深度脱水泥饼催化热解制取富氢燃气的研究[D]. 武汉:华中科技大学, 2016. Song J. Study on hydrogen-rich fuel gas production from pyrolysis of deep-dewatered sewage sludge cakes sfter condition with Fenton's reagent and red mud[D]. Wuhang:Huazhong University of Science and Technology, 2016.
[30]
Xiong S J, Zhuo J K, Zhang B P, et al. Effect of moisture content on the characterization of products from the pyrolysis of sewage sludge[J]. Journal of Analytical and Applied Pyrolysis, 2013,104:632-639.
[31]
Shao K,Yan J H, Li X D, et al. Experimental study on the effects of H2O on PCDD/Fs formation by de novo synthesis in carbon/CuCl2 model system[J]. Chemosphere, 2010,78(6):672-679.
