Environmental impact of a coal combustion-desulphurisation plant: Abatement capacity of desulphurisation process and environmental characterisation of combustion by-products

作者: E. Álvarez-Ayuso , X. Querol , A. Tomás

DOI: 10.1016/J.CHEMOSPHERE.2006.06.070

关键词: Waste managementFlue gasMunicipal solid wasteCombustionCoalWaste disposalChemistryCoal combustion productsLeaching (metallurgy)Fly ash

摘要: The fate of trace elements in a combustion power plant equipped with wet limestone flue gas desulphurisation (FGD) installation was studied order to evaluate its emission abatement capacity. With this aim representative samples feed coal, boiler slag, fly ash, limestone, FGD gypsum and process water wastewater were analysed for major using the following techniques: inductively coupled plasma-mass spectrometry (ICP-MS), plasma-atomic (ICP-AES), ion chromatography (IC), selective electrode (ISE) atomic absorption spectroscopy (AAS). Mass balances established allowing determine element partitioning behaviour. It found that, together S, Hg, Cl, F, Se As those entering primarily as gaseous species. capacity such offered values ranged from 96% 100% As, S Se, about 60% Hg. environmental characterisation by-products (boiler ash gypsum) also according Council Decision 2003/33/EC on waste disposal. To end, leaching tests (EN-12457-4) performed, analysing concern by means aforementioned techniques. According behaviour studied, these could be disposed landfills non-hazardous wastes.

参考文章(50)
Manfred Sager, Rapid determination of fluorine in solid samples Monatshefte Fur Chemie. ,vol. 118, pp. 25- 29 ,(1987) , 10.1007/BF00810037
Lee B. Clarke, Lesley L. Sloss, Trace elements - emissions from coal combustion and gasification Published in <b>1992</b> in London by IEA. ,(1992)
Ruud Meij, Leo H.J. Vredenbregt, Henk te Winkel, The fate and behavior of mercury in coal-fired power plants. Journal of The Air & Waste Management Association. ,vol. 52, pp. 912- 917 ,(2002) , 10.1080/10473289.2002.10470833
Takahisa Yokoyama, Kazuo Asakura, Hiromitsu Matsuda, Shigeo Ito, Naoki Noda, Mercury emissions from a coal-fired power plant in Japan Science of The Total Environment. ,vol. 259, pp. 97- 103 ,(2000) , 10.1016/S0048-9697(00)00552-0
Renee M. Payette, William E. Wolfe, Joel Beeghly, Use of clean coal combustion by-products in highway repairs Fuel. ,vol. 76, pp. 749- 753 ,(1997) , 10.1016/S0016-2361(97)00025-2
Stanislav V. Vassilev, Christina G. Vassileva, Ali I. Karayigit, Yilmaz Bulut, Andres Alastuey, Xavier Querol, Phase–mineral and chemical composition of composite samples from feed coals, bottom ashes and fly ashes at the Soma power station, Turkey International Journal of Coal Geology. ,vol. 61, pp. 35- 63 ,(2005) , 10.1016/J.COAL.2004.06.004
Xavier Querol, JoséLuis Fernández-Turiel, Angel López-Soler, Trace elements in coal and their behaviour during combustion in a large power station Fuel. ,vol. 74, pp. 331- 343 ,(1995) , 10.1016/0016-2361(95)93464-O
Luis F Vilches, Constantino Fernández-Pereira, Joaquín Olivares del Valle, Miguel Rodríguez-Piñero, José Vale, Development of new fire-proof products made from coal fly ash: the CEFYR project† Journal of Chemical Technology & Biotechnology. ,vol. 77, pp. 361- 366 ,(2002) , 10.1002/JCTB.592