删除或更新信息,请邮件至freekaoyan#163.com(#换成@)

典型冶炼行业场地土壤重金属空间分布特征及来源解析

本站小编 Free考研考试/2021-12-31

閻庢鍠掗崑鎾绘⒑椤愶絿鎽孖P闂佹寧绋掗惌顔剧博閸撗呯煋鐎广儱鐗冮崑鎾诲礃椤忓棗鐓涢梺鍏兼緲閸熸娊鎯佹径灞惧枂闁糕剝渚楅弳銉╂⒒閸涱厾绠g紒灞界埣閹洨鈧絽澧庣粈澶嬫叏閿濆懐绠叉繝鈧悧鍫⑩枖鐎广儱鎳庨悡鍌氣槈閹绢垰浜鹃梺鍛婂笒濡繈骞愰敓锟�
547闂佸湱顣介崑鎾绘⒒閸曗晛鐏柣妤€閰i幊鎾诲礃椤忓棗鐓涢梺鍏兼緲閸燁偄鐣烽敓锟�1130缂備礁顦粔鐢碘偓鍨皑閳ь剝顫夌喊宥夊汲閳ь剟鏌℃径瀣婵炲牊鍨垮畷锟犲礃瑜忕粙鍥╃磼婢跺﹦效闁告ǜ鍊栫缓钘壩旈崪浣规瘜闁圭厧鐡ㄩ幐鍫曞焵椤戞寧绁版い顐㈩儐閿涙劙骞嬮婊咁槷濠电偞鍨归弫绋棵烘繝鍥ㄥ殣閺夊牜鍋掗崵鏃堟煏閸℃洝鍏岀紒顔光偓瓒佽鎯斿☉鎺戜壕濞达絿鏅Σ鍫ユ煕閹烘挻鍋犻柍褜鍏涚欢姘跺闯妤e啯鎳氱€广儱鍟犻崑鎾存媴閻戞ê鈧偟鈧鎮堕崕顖炲焵椤戣儻鍏屾い鎾存倐閹爼宕遍幇銊ヤ壕濞达絾浜芥禒锕€霉閸忕厧鎼搁柍褜鍏涘ù鍥磼閵婏箑顕辨慨妯稿劗閸嬫挻鎷呯憴鍕暚闂佺厧寮惰ぐ鍐紦妤e啯鍋犻柛鈩冨姀閸嬫挻鎷呴悿顖氬箑闂佸搫鍊稿ú銏ゅ焵椤戞寧绁板瑙勬崌瀵敻顢涘Ο宄颁壕濞达綀顫夐悡鈧梻鍌氬€介濠勬閸洖绠绘い鎾村閸嬫挻鎷呴崷顓溾偓濠囨倵濞戝疇绀嬮柍褜鍏涚粈浣轰焊閹殿喒鍋撳☉瀹犵闁逞屽厸濞村洭顢橀崫銉т笉婵°倓鐒︾花姘舵煏閸℃洜顦︾€圭ǹ顭峰畷锝囦沪閸屾浜惧ù锝呮啞閸曢箖鏌i悙鍙夘棑闁逞屽厸閻掞箓寮崒姘f煢婵懓娲犻崑鎾存媴閸涘﹥鍣搁柣搴㈠喕鐠愮喖鍩€椤戞寧顦风紓宥咁儔閹虫牠鎳犻鍐炬蕉缂備焦鍐婚幏锟�28缂備緡鍋夐褔顢楅悢铏圭煋闁规惌鍨崇粈濉欼P婵炴潙鍚嬮懝楣冨箟閾忣偅濯撮幖娣€曞▓锟�128.00闂佺ǹ绻愰崰娑氭閿燂拷
中文关键词冶炼场地重金属含量有效态含量空间分布来源解析 英文关键词smelting siteheavy metal concentrationbioavailable form contentspatial distributionsource analysis 中文摘要 以韶关某冶炼厂为冶炼行业典型工业区,对冶炼厂区内土壤中的Cd、Pb、Hg、Sb、As、Zn、Cu、Cr和Ni等9种重金属元素的总量和有效态含量进行了测定,利用ArcGIS 10.2进行了冶炼厂地土壤中重金属空间分布的插值分析,采用的污染状况评价方法有单因子污染指数法、富集因子法和潜在生态危害指数法,重金属来源分析方法有相关性分析法和主成分分析法.对研究区土壤的重金属污染状况及来源进行分析.结果表明,Cd和As的单因子指数为1.50和2.13,分别属于轻微污染和轻度污染;Pb的单因子指数为5.58,属于重度污染.As、Hg和Zn的富集因子为3.73、10.4和22.4,分别属于中度污染、重度污染和严重污染;Cd、Pb的富集因子超过40,属于极重污染,受人为污染程度明显.Pb和Cd的有效态占总量的质量分数较高,分别在0.57%~46.0%和0.87%~69.2%之间.其次为Zn和Cu,而Hg、Sb、Ni、As和Cr的有效态质量分数均在5%以下.研究区重金属潜在生态风险指数的空间分布由西向东整体呈由低到高再降低的变化趋势,其中北部点位的指数显著高于其他点位,可能存在局部泄漏.Hg和Sb的空间分布与其他元素不同,呈现中部区域较高、东西部区域较低的特点.相关性和主成分分析结果表明,Cu、Zn、As、Cd和Pb元素之间的相关性显著,主要来源为工业生产活动的输入;Hg和Sb元素之间具有显著的正相关性,但与其他元素无相关性;Ni的主要来源更符合自然输入的规律. 英文摘要 Taking a smelter in Shaoguan as a representative site of a typical industrial zone for the smelting industry, the total and bioavailable concentrations of nine heavy metal elements Cd, Pb, Hg, Sb, As, Zn, Cu, Cr, and Ni, and their spatial distributions in the soil of the smelter were studied, the latter through the interpolation analysis functionality of ArcGIS 10.2. The pollution status evaluation methods included the single factor pollution index, enrichment factor, and potential ecological hazard index methods; the analysis methods of heavy metal sources included correlation analysis and principal component analysis. The results showed that the single factor index values of Cd and As were 1.50 and 2.13, indicating light pollution; the single factor index of Pb was 5.58, indicating heavy pollution. The enrichment factors of As, Hg, and Zn were 3.73, 10.4, and 22.4, indicating moderate pollution, heavy pollution, and severe pollution, respectively; the enrichment factors of Cd and Pb exceeded 40, indicating extremely heavy pollution. The bioavailable form contents of Pb and Cd comprised a relatively high ratio of the total amount, ranging from 0.57%-46.0% and 0.87%-69.2%, respectively, followed by Zn and Cu. However, the mass fractions of Hg, Sb, Ni, As, and Cr were all less than 5%. The spatial distribution of the potential ecological risk index of heavy metals in the study area showed a trend from low to high, with a decreasing trend from west to east. The index at the northern point was significantly higher than at other points, indicating potential local leakage. The spatial distribution of Hg and Sb was different from that of other elements, being higher in the central area and lower in the eastern and western areas. The correlation analysis and principal component analysis results showed that the correlations between Cu, Zn, As, Cd, and Pb were significant, and the main source was inputs from industrial production activities. There was a significant positive correlation between Hg and Sb, but there was no correlation between these elements and other elements. The main source of Ni was probably natural input.

PDF全文下载地址:

https://www.hjkx.ac.cn/hjkx/ch/reader/create_pdf.aspx?file_no=20211237&flag=1&journal_id=hjkx&year_id=2021

闂備焦褰冪粔鍫曞磻閿燂拷985婵犮垹鐖㈤崘鎯уΤ闂佸吋婢橀崯浼存偉閻戞ḿ鈻旈柟鎹愬皺閻熷綊鎮归崶銊ョ缂佷緡鍋婂顒€鈻庤箛鎾宠祴闁荤姵鍔楅幊鎾筹耿椤忓棛妫柛褎顨嗛~澶愭偣閸ラ攱瀚�闂佹寧鍐婚幏锟�闂佸憡鐗楅妵鐐哄触椤愶絽绶炵憸宥夘敆閿燂拷 濠电偞鎸搁幊搴$暦閺囩喎绶炵憸宥夘敆閿燂拷 婵炴垶鎸搁敃銉╁箲閿濆棛顩查柕鍫濐槴閸嬫挸顫濋鍙ユ捣闁诲孩鍐婚幏锟� 婵犮垼娉涚粔闈浳涢鍛窞鐟滃秹顢楅敓锟� 濠电偛鐡ㄩ悷锕傛儓濞嗘劕绶炵憸宥夘敆閿燂拷 闂佹悶鍎扮划娆徫i懡銈囩煋闁瑰鍋涜灇婵犮垹鐖㈤崘鎯уΤ 婵炴垶鎼╅崢鐓幟瑰Δ鍐煋闁瑰瓨绻嶉崝鍛存煙閸ㄦ稑浜鹃梺鍝勭墱閸ㄤ即濡甸崶鈹惧亾濞戣櫕瀚� 婵炴垶鎼╅崢鐓幟瑰Δ浣侯洸闁绘垶岣垮В灞筋熆閸棗鍠氶崝锟� 闂佸憡顨嗛妵鐐哄触椤愶絽绶炵憸宥夘敆閿燂拷 闂佸憡鐗楅妵鐐哄触椤愶附鍤嬫い蹇撴閺佸嫰鏌ら崜韫盎闁靛洤顦板鍕槻妞ゆ帪鎷� 闂佸憡鐗楅妵鐐哄触椤愶附鍋犻柛鈩冦仦缁憋絽顭块崼鍡楀枤閸旓拷 闂佸憡绻傞悧鍡涙儍闂堟稈鍫柕濞垮劙缁憋絽鈽夐幘纾嬪闁靛洤娲ㄩ埀顒佸喕閹凤拷 闁荤喐顨呴悘婵嬫偩閵婏妇顩查柕鍫濐槴閸嬫挸顫濋鍙ユ捣闁诲孩鍐婚幏锟� 闂佸憡顨嗛〃鍛閹寸偛绶炵憸宥夘敆閿燂拷 闂佸憡鑹鹃張顒傜矈鐟欏嫬绶炵憸宥夘敆閿燂拷 濠殿喗绻愰梽鍕儑閼恒儱绶炵憸宥夘敆閿燂拷 闂佸憡顨呯花濂告嚈閹寸姷鐭撻柟瀵稿仜铻氭繝銏犵垻閸愭儳濡� 闂佸憡鐗楅妵鐐哄触椤愩倖鏆滈柛顐到閻﹀崬顭块崼鍡楀枤閸旓拷 婵炴垶鎸荤划灞界暦閳╁啫绶炵憸宥夘敆閿燂拷 闂佹悶鍎茬粙鎴犵玻濞戞瑥绶炵憸宥夘敆閿燂拷 闂佸憡顨呯花鑲╃箔閵忋垺鏆滈柛顐到閻﹀崬顭块崼鍡楀枤閸旓拷 闂佹眹鍨藉ḿ褔鎮哄▎鎴犵煋闁瑰鍋涜灇婵犮垹鐖㈤崘鎯уΤ 婵炴垶鎼╅崢濂稿礌濡や礁绶炵憸宥夘敆閿燂拷 婵犮垹鐏堥弲婊呮喆閿旇棄绶炵憸宥夘敆閿燂拷 闂佸憡锕粻鎾澄涢浣哥窞鐟滃秹顢楅敓锟� 闂佸憡顨呮绋跨暦閿熺姵鍋犻柛鈩冦仦缁憋絽顭块崼鍡楀枤閸旓拷 闁荤喐顨呴悘婵堚偓闈涘暱椤斿繘濡烽妶鍥╂嚌婵犮垹鐖㈤崘鎯уΤ 闁诲繒鍋涜ぐ澶岀箔閵忊€崇窞鐟滃秹顢楅敓锟� 闂備焦褰冪粔瀵歌姳閳╁啫绶炵憸宥夘敆閿燂拷 婵炴垶鎼╅崢鐓庣暦閳╁啫绶炵憸宥夘敆閿燂拷 闂佸憡鑹鹃ˇ浼存倶閸曨剙绶炵憸宥夘敆閿燂拷 闂佺ǹ绻戝妯肩玻閻愭潙绶炵憸宥夘敆閿燂拷 婵犮垹鐖㈤崱娆戭啎闂佽崵鍋涘Λ妤佸閹邦厼绶炵憸宥夘敆閿燂拷 婵炴垶鎼╅崢鐓幟瑰Δ鍛婵犲ň鍋撶紒妤冨枑瀵板嫯顦叉い鎺炴嫹 婵炴垶鎼╅崢鐓幟瑰Δ鈧湁闂佸灝顑囬敍鎴濐熆閸棗鍠氶崝锟� 婵炴垶鎼╅崢濂稿Φ鎼粹槅娼╅柟瀵稿仦椤ユ垵顭块崼鍡楀枤閸旓拷 濠电姭鍋撻柡宓啰顢呮繝銏犵垻閸愭儳濡� 婵炴垶鎸荤划宀€鈧絻娅曞鍕槻妞ゆ帪鎷� 闁荤喐顨呴悘婵堚偓鍨▕瀹曟ê饪伴崟顓濈盎缂備礁顦伴崹鑸典繆瑜庡鍕槻妞ゆ帪鎷�
相关话题/环境 实验 北京 中国环境科学研究院 污染

闂備焦褰冪粔鍫曞磻閿燂拷985婵犮垹鐖㈤崘鎯уΤ闂佸吋婢橀崯浼存偉閻戞ḿ鈻旈柟鎹愬皺閻熷綊鎮归崶銊ョ缂佷緡鍋婂顒€鈻庤箛鎾宠祴闁荤姵鍔楅幊鎾筹耿椤忓棛妫柛褎顨嗛~澶愭偣閸ラ攱瀚�闂佹寧鍐婚幏锟�闂佸憡鐗楅妵鐐哄触椤愶絽绶炵憸宥夘敆閿燂拷 濠电偞鎸搁幊搴$暦閺囩喎绶炵憸宥夘敆閿燂拷 婵炴垶鎸搁敃銉╁箲閿濆棛顩查柕鍫濐槴閸嬫挸顫濋鍙ユ捣闁诲孩鍐婚幏锟� 婵犮垼娉涚粔闈浳涢鍛窞鐟滃秹顢楅敓锟� 濠电偛鐡ㄩ悷锕傛儓濞嗘劕绶炵憸宥夘敆閿燂拷 闂佹悶鍎扮划娆徫i懡銈囩煋闁瑰鍋涜灇婵犮垹鐖㈤崘鎯уΤ 婵炴垶鎼╅崢鐓幟瑰Δ鍐煋闁瑰瓨绻嶉崝鍛存煙閸ㄦ稑浜鹃梺鍝勭墱閸ㄤ即濡甸崶鈹惧亾濞戣櫕瀚� 婵炴垶鎼╅崢鐓幟瑰Δ浣侯洸闁绘垶岣垮В灞筋熆閸棗鍠氶崝锟� 闂佸憡顨嗛妵鐐哄触椤愶絽绶炵憸宥夘敆閿燂拷 闂佸憡鐗楅妵鐐哄触椤愶附鍤嬫い蹇撴閺佸嫰鏌ら崜韫盎闁靛洤顦板鍕槻妞ゆ帪鎷� 闂佸憡鐗楅妵鐐哄触椤愶附鍋犻柛鈩冦仦缁憋絽顭块崼鍡楀枤閸旓拷 闂佸憡绻傞悧鍡涙儍闂堟稈鍫柕濞垮劙缁憋絽鈽夐幘纾嬪闁靛洤娲ㄩ埀顒佸喕閹凤拷 闁荤喐顨呴悘婵嬫偩閵婏妇顩查柕鍫濐槴閸嬫挸顫濋鍙ユ捣闁诲孩鍐婚幏锟� 闂佸憡顨嗛〃鍛閹寸偛绶炵憸宥夘敆閿燂拷 闂佸憡鑹鹃張顒傜矈鐟欏嫬绶炵憸宥夘敆閿燂拷 濠殿喗绻愰梽鍕儑閼恒儱绶炵憸宥夘敆閿燂拷 闂佸憡顨呯花濂告嚈閹寸姷鐭撻柟瀵稿仜铻氭繝銏犵垻閸愭儳濡� 闂佸憡鐗楅妵鐐哄触椤愩倖鏆滈柛顐到閻﹀崬顭块崼鍡楀枤閸旓拷 婵炴垶鎸荤划灞界暦閳╁啫绶炵憸宥夘敆閿燂拷 闂佹悶鍎茬粙鎴犵玻濞戞瑥绶炵憸宥夘敆閿燂拷 闂佸憡顨呯花鑲╃箔閵忋垺鏆滈柛顐到閻﹀崬顭块崼鍡楀枤閸旓拷 闂佹眹鍨藉ḿ褔鎮哄▎鎴犵煋闁瑰鍋涜灇婵犮垹鐖㈤崘鎯уΤ 婵炴垶鎼╅崢濂稿礌濡や礁绶炵憸宥夘敆閿燂拷 婵犮垹鐏堥弲婊呮喆閿旇棄绶炵憸宥夘敆閿燂拷 闂佸憡锕粻鎾澄涢浣哥窞鐟滃秹顢楅敓锟� 闂佸憡顨呮绋跨暦閿熺姵鍋犻柛鈩冦仦缁憋絽顭块崼鍡楀枤閸旓拷 闁荤喐顨呴悘婵堚偓闈涘暱椤斿繘濡烽妶鍥╂嚌婵犮垹鐖㈤崘鎯уΤ 闁诲繒鍋涜ぐ澶岀箔閵忊€崇窞鐟滃秹顢楅敓锟� 闂備焦褰冪粔瀵歌姳閳╁啫绶炵憸宥夘敆閿燂拷 婵炴垶鎼╅崢鐓庣暦閳╁啫绶炵憸宥夘敆閿燂拷 闂佸憡鑹鹃ˇ浼存倶閸曨剙绶炵憸宥夘敆閿燂拷 闂佺ǹ绻戝妯肩玻閻愭潙绶炵憸宥夘敆閿燂拷 婵犮垹鐖㈤崱娆戭啎闂佽崵鍋涘Λ妤佸閹邦厼绶炵憸宥夘敆閿燂拷 婵炴垶鎼╅崢鐓幟瑰Δ鍛婵犲ň鍋撶紒妤冨枑瀵板嫯顦叉い鎺炴嫹 婵炴垶鎼╅崢鐓幟瑰Δ鈧湁闂佸灝顑囬敍鎴濐熆閸棗鍠氶崝锟� 婵炴垶鎼╅崢濂稿Φ鎼粹槅娼╅柟瀵稿仦椤ユ垵顭块崼鍡楀枤閸旓拷 濠电姭鍋撻柡宓啰顢呮繝銏犵垻閸愭儳濡� 婵炴垶鎸荤划宀€鈧絻娅曞鍕槻妞ゆ帪鎷� 闁荤喐顨呴悘婵堚偓鍨▕瀹曟ê饪伴崟顓濈盎缂備礁顦伴崹鑸典繆瑜庡鍕槻妞ゆ帪鎷�