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Abstract: In this study, eight fly ash samples and three bottom ash samples from different areas are collected for analysis of their physicochemical properties and emission content of dioxin precursors and metals. Their surface characteristics, their effects on dioxin precursors, and important aspects of the compositions of residual ash (fly ash and bottom ash) are investigated. poly-chlorobenzenes (PCBzs) in the fly ash of a fluidized bed incinerator (FBI) are 7.35 to 357.94 µg/kg, and in that of a fire grate incinerator (FGI) are 6.74 to 96.52 µg/kg. The concentrations in bottom ash are the same (i.e., 2.23 to 2.99 µg/kg) regardless of the furnace type. The concentrations of polycyclic aromatic hydrocarbons (PAHs) in FGI fly ash samples (0.293 to 1.783 mg/kg) are less than these in samples from FBIs (1.820 to 38.012 mg/kg). Low boiling point PAHs (mainly 2- and 3-ringed PAHs) and high boiling point PCBzs (mainly H_xCB and P_eCBz) are the major constituents of residual ash. Different distributions of PCBzs and PAHs are mainly dictated by the incineration characteristics of FBI and FGI. Al and Fe, as non-toxic “light metals” are the major constituents of the residual ash, and Ni and Zn as non-toxic heavy metals play important roles in the total heavy metal. Cu, Pb, and Cr are the three major toxic heavy metals. The correlation of the metals and the dioxin precursors is discussed and distinguished.

The paper is interesting since it investigates the composition of the residues of the incineration activities by comparing grate and boiler furnaces and by analyzing the correlations between the principal metals and the dioxins precursors.

生活垃圾焚烧残灰中有毒成分的排放特性

[1]Bauschlicher, C.W.Jr, Ricca, A., 2000. Mechanisms for polycyclic aromatic hydrocarbon (PAH) growth. Chemical Physics Letters, 326(3-4):283-287.

[2]Besombes, J.L., Maitre, A., Patissier, O., et al., 2001. Particulate PAHs observed in the surrounding of a municipal incinerator. Atmospheric Environment, 35(35):6093-6104.

[3]Bodénan, F., Deniard, P., 2003. Characterization of flue gas cleaning residues from European solid waste incinerators: assessment of various Ca-based sorbent processes. Chemosphere, 51(5):335-347.

[4]Böhm, H., Jander, H., 1999. PAH formation in acetylene-benzene pyrolysis. Physical Chemistry Chemical Physics, 1(16):3775-3781.

[5]Chin, Y.T., Lin, C., Chang-Chien, G.P., et al., 2011. PCDD/Fs formation catalyzed by the copper chloride in the fly ash. Journal of Environmental Science and Health, Part A, 46(5):465-470.

[6]Chin, Y.T., Lin, C., Chang-Chien, G.P., et al., 2012. PCDD/F formation catalyzed by the metal chlorides and chlorinated aromatic compounds in fly ash. Aerosol Air Quality Research, 12:228-236.

[7]Cho, C.H., Ihm, S.K., 2002. Development of new vanadium-based oxide catalysts for decomposition of chlorinated aromatic pollutants. Environmental Science & Technology, 36(7):1600-1606.

[8]Dai, Q., Jiang, X., Jiang, Y., et al., 2014. Temperature influence and distribution in three phases of PAHs in wet sewage sludge pyrolysis using conventional and microwave heating. Energy & Fuels, 28(5):3317-3325.

[9]Dyke, P.H., Foan, C., Fiedler, H., 2003. PCB and PAH releases from power stations and waste incineration processes in the UK. Chemosphere, 50(4):469-480.

[10]Everaert, K., Baeyens, J., 2002. The formation and emission of dioxins in large scale thermal processes. Chemosphere, 46(3):439-448.

[11]Frey, H.H., Peters, B., Hunsinger, H., et al., 2003. Characterization of municipal solid waste combustion in a grate furnace. Waste Management, 23(8):689-701.

[12]Fujimori, T., Takaoka, M., Takeda, N., 2009. Influence of Cu, Fe, Pb, and Zn chlorides and oxides on formation of chlorinated aromatic compounds in MSWI fly ash. Environmental Science & Technology, 43(21):8053-8059.

[13]Grosso, M., Biganzoli, L., Rigamonti, L., 2011. A quantitative estimate of potential aluminium recovery from incineration bottom ashes. Resources, Conservation and Recycling, 55(12):1178-1184.

[14]Gullett, B.K., Bruce, K.R., Beach, L.O., 1990. The effect of metal catalysts on the formation of polychlorinated dibenzo-p-dioxin and polychlorinated dibenzofuran precursors. Chemosphere, 20(10):1945-1952.

[15]Hagenmaier, H., Kraft, M., Brunner, H., et al., 1987. Catalytic effects of fly ash from waste incineration facilities on the formation and decomposition of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans. Environmental Science & Technology, 21(11):1080-1084.

[16]Halonen, I., Tarhanen, J., Ruokojärvi, P., et al., 1995. Effect of catalysts and chlorine source on the formation of organic chlorinated compounds. Chemosphere, 30(7):1261-1273.

[17]Iino, F., Imagawa, T., Takeuchi, M., et al., 1999. De novo synthesis mechanism of polychlorinated dibenzofurans from polycyclic aromatic hydrocarbons and the characteristic isomers of polychlorinated naphthalenes. Environmental Science & Technology, 33(7):1038-1043.

[18]Ji, S.S., Li, X.D., Ren, Y., et al., 2013. Ozone-enhanced oxidation of PCDD/Fs over V₂O₅-TiO₂-based catalyst. Chemosphere, 92(3):265-272.

[19]Johansson, I., van Bavel, B., 2003. Polycyclic aromatic hydrocarbons in weathered bottom ash from incineration of municipal solid waste. Chemosphere, 53(2):123-128.

[20]Kirso, U., Laja, M., Urb, G., 2005. Polycyclic aromatic hydrocarbons (PAH) in ash fractions of oil shale combustion: fluidized bed vers pulverized firing. Oil Shale, 22(4):537-545.

[21]Li, X.D., Yan, J.H., Ni, M.J., et al., 2001. Study on mixing performance of municipal solid waste (MSW) in differential density fluidized beds (FBs). Chemical Engineering Journal, 84(2):161-166.

[22]Lichtenberger, J., Amiridis, M.D., 2004. Catalytic oxidation of chlorinated benzenes over V₂O₅/TiO₂ catalysts. Journal of Catalysis, 223(2):296-308.

[23]Liu, K., Pan, W.P., Riley, J.T., 2000. A study of chlorine behavior in a simulated fluidized bed combustion system. Fuel, 79(9):1115-1124.

[24]Liu, K., Han, W., Pan, W.P., et al., 2001. Polycyclic aromatic hydrocarbon (PAH) emissions from a coal-fired pilot FBC system. Journal of Hazardous Materials, 84(2-3):175-188.

[25]Ma, X.C., Zeng, X.P., Liu, J.T., et al., 2013. Technology to control PCDD/Fs from MSW incineration processes. Advanced Materials Research, 610:2621-2626.

[26]Mastral, A.M., Callén, M.S., García, T., 1999. Polycyclic aromatic hydrocarbons and organic matter associated to particulate matter emitted from atmospheric fluidized bed coal combustion. Environmental Science & Technology, 33(18):3177-3184.

[27]McKay, G., 2002. Dioxin characterisation, formation and minimisation during municipal solid waste (MSW) incineration: review. Chemical Engineering Journal, 86(3):343-368.

[28]MEPC (Ministry of Environmental Protection China), 2002. Water Quality–Determination of Chlorobenzene–Gas Chro-matography, HJ/T 74-2001. MEPC, China (in Chinese).

[29]Öberg, T., Bergbäck, B., Öberg, E., 2007. Different catalytic effects by copper and chromium on the formation and degradation of chlorinated aromatic compounds in fly ash. Environmental Science & Technology, 41(10):3741-3746.

[30]Öberg, T., Bergbäck, B., Filipsson, M., 2008. Catalytic effects by metal oxides on the formation and degradation of chlorinated aromatic compounds in fly ash. Chemosphere, 71(6):1135-1143.

[31]Olie, K., Addink, R., Schoonenboom, M., 1998. Metals as catalysts during the formation and decomposition of chlorinated dioxins and furans in incineration processes. Journal of the Air & Waste Management Association, 48(2):101-105.

[32]Park, Y.J., Heo, J., 2002. Vitrification of fly ash from municipal solid waste incinerator. Journal of Hazardous Materials, 91(1-3):83-93.

[33]Quina, M.J., Bordado, J.C., Quinta-Ferreira, R.M., 2008. Treatment and use of air pollution control residues from MSW incineration: an overview. Waste Management, 28(11):2097-2121.

[34]Saxena, S.C., Jotshi, C.K., 1994. Fluidized-bed incineration of waste materials. Progress in Energy and Combustion Science, 20(4):281-324.

[35]Takaoka, M., Yamamoto, T., Shiono, A., et al., 2005. The effect of copper speciation on the formation of chlorinated aromatics on real municipal solid waste incinerator fly ash. Chemosphere, 59(10):1497-1505.

[36]USEPA (US Environmental Protection Agency), 1986. Polynuclear Aromatic Hydrocarbons, Method 8100.

[37]USEPA (US Environmental Protection Agency), 1996a. Soxhlet Extraction, Method 3540C.

[38]USEPA (US Environmental Protection Agency), 1996b. Sulfur Cleanup, Method 3660B.

[39]van Caneghem, J., Vandecasteele, C., 2014. Characterisation of polycyclic aromatic hydrocarbons in flue gas and residues of a full scale fluidized bed combustor combusting non-hazardous industrial waste. Waste Management, 34(11):2407-2413.

[40]van Caneghem, J., Brems, A., Lievens, P., et al., 2012. Fluidized bed waste incinerators: design, operational and environmental issues. Progress in Energy and Combustion Science, 38(4):551-582.

[41]Wang, D., Xu, X., Zheng, M., et al., 2002. Effect of copper chloride on the emissions of PCDD/Fs and PAHs from PVC combustion. Chemosphere, 48(8):857-863.

[42]Weber, R., Iino, F., Imagawa, T., et al., 2001. Formation of PCDF, PCDD, PCB, and PCN in de novo synthesis from PAH: mechanistic aspects and correlation to fluidized bed incinerators. Chemosphere, 44(6):1429-1438.

[43]Wei, M.C., Wey, M.Y., Hwang, J.H., et al., 1998. Stability of heavy metals in bottom ash and fly ash under various incinerating conditions. Journal of Hazardous Materials, 57(1-3):145-154.

[44]Wei, Y., Shimaoka, T., Saffarzadeh, A., et al., 2011. Mineralogical characterization of municipal solid waste incineration bottom ash with an emphasis on heavy metal-bearing phases. Journal of Hazardous Materials, 187(1-3):534-543.

[45]Wilhelm, J., Stieglitz, L., Dinjus, E., et al., 2001. Mechanistic studies on the role of PAHs and related compounds in PCDD/F formation on model fly ashes. Chemosphere, 42(5-7):797-802.

[46]Yan, M., Li, X., Chen, T., et al., 2010. Effect of temperature and oxygen on the formation of chlorobenzene as the indicator of PCDD/Fs. Journal of Environmental Sciences, 22(10):1637-1642.

[47]Yasuda, K., Takahashi, M., 1998. The emission of polycyclic aromatic hydrocarbons from municipal solid waste incinerators during the combustion cycle. Journal of the Air & Waste Management Association, 48(5):441-447.