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生活垃圾生物预处理对As Pb Cr生物有效性的影响

宋彩红 夏训峰 席北斗 李鸣晓 魏自民 何小松 党秋玲

宋彩红, 夏训峰, 席北斗, 李鸣晓, 魏自民, 何小松, 党秋玲. 生活垃圾生物预处理对As Pb Cr生物有效性的影响[J]. 环境科学研究, 2012, 25(7): 803-808.
引用本文: 宋彩红, 夏训峰, 席北斗, 李鸣晓, 魏自民, 何小松, 党秋玲. 生活垃圾生物预处理对As Pb Cr生物有效性的影响[J]. 环境科学研究, 2012, 25(7): 803-808.
SONG Cai-hong, XIA Xun-feng, XI Bei-dou, LI Ming-xiao, WEI Zi-min, HE Xiao-song, DANG Qiu-ling. Effects of Bio-Pretreatment on Bioavailability of Arsenic,Chromium and Lead in Domestic Waste[J]. Research of Environmental Sciences, 2012, 25(7): 803-808.
Citation: SONG Cai-hong, XIA Xun-feng, XI Bei-dou, LI Ming-xiao, WEI Zi-min, HE Xiao-song, DANG Qiu-ling. Effects of Bio-Pretreatment on Bioavailability of Arsenic,Chromium and Lead in Domestic Waste[J]. Research of Environmental Sciences, 2012, 25(7): 803-808.

生活垃圾生物预处理对As Pb Cr生物有效性的影响

基金项目: 国家“十一五”科技支撑计划项目(2009BADC2B04);国家自然科学基金项目(50878201)

Effects of Bio-Pretreatment on Bioavailability of Arsenic,Chromium and Lead in Domestic Waste

  • 摘要: 采用室内模拟试验,研究了生物预处理工艺对生活垃圾As、Pb、Cr总量和生物有效性(水提取态、DTPA提取态、EDTA提取态)的影响.结果表明:由于“相对浓缩效应”和淋滤的交互作用,As、Pb和Cr总量分别升高了1.96%、6.13%和10.81%;生物预处理后,w(水溶态As)、w(DTPA-As)和w(EDTA-As)分别升高了51.46%、26.65%和19.02%,w(水溶态Pb)、w(DTPA-Pb)和w(EDTA-Pb)分别升高了36.59%、22.91%和17.48%,w(水溶态Cr)、w(DTPA-Cr)和w(EDTA-Cr)分别升高了9.01%、12.79%和8.77%.模拟试验结果证实,生活垃圾生物预处理在一定程度上增加了As、Pb和Cr总量及其生物有效性,可能会增加后续堆肥土地利用的环境风险和填埋对地下水的污染风险.

     

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出版历程
  • 收稿日期:  2011-10-14
  • 修回日期:  2011-12-29
  • 刊出日期:  2012-07-25

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