贵州典型煤矿区煤及矸石中微量元素含量特征
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摘要
煤及煤矸石中微量元素由于其特殊的毒性、生物有效性及地球化学行为对周围环境构成潜在的危害。本研究对贵州织金煤矿区煤样及矸石样品硫分、灰分、各形态硫及微量元素进行测定研究。结果表明:研究区煤属于高灰、高氟、高硫煤,煤中全硫含量最高为5.91%,硫形态主要以硫化铁硫(S_(p,ad))为主,而煤矸石中主要以硫酸盐硫(S_(s,ad))为主,其次为硫化铁硫(S_(p,ad))。煤和矸石中各形态硫含量顺序分别为S_(p,ad)>S_(o,ad)>S_(s,ad),S_(p,ad)>S_(s,ad)>S_(o,ad)。煤中微量元素整体含量高于国内其他地区煤中微量元素含量,煤和矸石中微量元素整体呈现F>Cu>Cr>Zn>Ni>Co>As~Pb>Cd>Sb的含量特征。
引文
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[27]G(u|¨)rdal,G.,Abundances and modes of occurrence of trace elements in the Can coals(Miocene),CanakkaleTurkey.International Journal of Coal Geology,2011.87(2):p.157-173.
[2]刘桂建,et al.,煤中微量元素研究进展.地球科学进展,2002.17(1):p.53-62.
[3]Dai,S.,et al.,Geochemistry of trace elements in Chinese coals:A review of abundances,genetic types,impacts on human health,and industrial utilization.International Journal of Coal Geology,2012.94(3):p.3-21.
[4]Finkelman,R.B.,Modes of Occurrence of Environmentally-Sensitive Trace Elements in Coal.1995:Springer Netherlands.24-50.
[5]Swaine,D.J.,Why trace elements are important Fuel Processing Technology,2000.s 65-66(1):p.21-33.
[6]Bhuiyan,M.A.H.,et al.,Evaluation of hazardous metal pollution in irrigation and drinking water systems in the vicinity of a coal mine area of northwestern Bangladesh.Journal of Hazardous Materials,2010.179(1-3):p.1065-1077.
[7]Equeenuddin,S.M.,et al.,Hydrogeochemical characteristics of acid mine drainage and water pollution at Makum Coalfield,India.Journal of Geochemical Exploration,2010.105(3):p.75-82.
[8]Shaver,S.A.,et al.,Trace element geochemistry and surface water chemistry of the Bon Air coal,Franklin County,Cumberland Plateau,southeast Tennessee.International Journal of Coal Geology,2006.67(67):p.47-78.
[9]Silva,L F.0.,M.Wollenschlager,and M.L S.Oliveira,A preliminary study of coal mining drainage and environmental health in the Santa Catarina region,Brazil.Environmental Geochemistry&Health,2011.33(1):p.55-65.
[10]Dai,S.,et al.,Concentration and distribution of elements in Late Permian coals from western Guizhou Province,China.International Journal of Coal Geology,2005.61(1):p.119-137.
[11]Liu,G,et al.,Environmental geochemistry and health of fluorine in Chinese coals.Environmental Geology,2007.52(7):p.1307-1313.
[12]Wang,L,et al.,Selenium in Chinese coals:distribution,occurrence,and health impact Environmental Earth Sciences,2010.60(8):p.1641-1651.
[13]Yang,J.,Modes of occurrence and origins of noble metals in the Late Permian coals from the Puan Coalfield,Guizhou,southwest China.Fuel,2006.85(12-13):p.1679-1684.
[14]丁振华,et al.,黔西南高砷煤的分布及地球化学特征研究.地球化学,2000.29(5):p.490-494.
[15]庄新国,et al.,贵州六枝、水城煤田晚二叠世煤的微量元素特征.地质科技情报,2001.20(3):p.53-68.
[16]黎光明,张军营,and任德贻,黔西断陷区煤中潜在毒害微量元素赋存状态分析.中国煤炭地质,2004.16(6):p.9-11.
[17]徐彬彬,贵州煤田地质.2003:中国矿业大学出版社.
[18]程伟,et al.,毕节地区晚二叠世煤中微量元素的分布赋存规律及控因分析.煤炭学报,2013.38(1):p.103-113.
[19]Dai,S.,et al.,Mineralogy and geochemistry of boehmite-rich coals:New insights from the Haerwusu Surface Mine,Jungar Coalfield,Inner Mongolia,China.International Journal of Coal Geology,2008.74(3):p.185-202.
[20]Erarslan,C.,Y.(O|¨)rg(u|¨)n,and E.Bozkurto(正)lu,Geochemistry of trace elements in the Kesan coal and its effect on the physicochemical features of ground-and surface waters in the coal fields,Edirne,Thrace Region,Turkey.International Journal of Coal Geology,2014.133;p.1-12.
[21]Baruah,B.P.and P.Khare,Mobility of trace and potentially harmful elements in the environment from high sulfur Indian coal mines.Applied Geochemistry,2010.25(11):p.1621-1631.
[22]Thomas,J.and H.J.Gluskoter,Determination of fluoride in coal with the fluoride ion-selective electrode.Analytical Chemistry,2002.46(9):p.1831-1831.
[23]刘雪锋,et al.,贵州煤中氟赋存形态分析.中国电机工程学报,2008.28(8):p.46-51.
[24]Yang,R.D.,et al.,Geochemical characteristics of Guizhou Permian coal measure strata and analysis of the control factors.Journal of Coal Science&Engineering,2011.17(1):p.55-68.
[25]Ketris,M.P.and Y.E.Yudovich,Estimations of Clarkes for Carbonaceous biolithes:World averages for trace element contents in black shales and coals.International Journal of Coal Geology,2009.78(2):p.135-148.
[26]Senior,C.L,et al.,Distribution of trace elements in selected pulverized coals as a function of particle size and density.Fuel Processing Technology,2000.63(2-3):p.215-241.
[27]G(u|¨)rdal,G.,Abundances and modes of occurrence of trace elements in the Can coals(Miocene),CanakkaleTurkey.International Journal of Coal Geology,2011.87(2):p.157-173.
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