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BTEX污染含水层不同形态铁含量变化的试验模拟

王霄 赵勇胜 张皓 苏燕 曾增 陶怡 周睿

王霄, 赵勇胜, 张皓, 苏燕, 曾增, 陶怡, 周睿. BTEX污染含水层不同形态铁含量变化的试验模拟[J]. 环境科学研究, 2012, 25(7): 798-802.
引用本文: 王霄, 赵勇胜, 张皓, 苏燕, 曾增, 陶怡, 周睿. BTEX污染含水层不同形态铁含量变化的试验模拟[J]. 环境科学研究, 2012, 25(7): 798-802.
WANG Xiao, ZHAO Yong-sheng, ZHANG Hao, SU Yan, ZENG Zeng, TAO Yi, ZHOU Rui. Lab-Scale Simulation of Content Changes of Iron Species in a BTEX-Contaminated Aquifer[J]. Research of Environmental Sciences, 2012, 25(7): 798-802.
Citation: WANG Xiao, ZHAO Yong-sheng, ZHANG Hao, SU Yan, ZENG Zeng, TAO Yi, ZHOU Rui. Lab-Scale Simulation of Content Changes of Iron Species in a BTEX-Contaminated Aquifer[J]. Research of Environmental Sciences, 2012, 25(7): 798-802.

BTEX污染含水层不同形态铁含量变化的试验模拟

基金项目: 吉林省科技发展计划项目(201101020);国家环境保护公益性行业科研专项(201009009);吉林大学基本科研业务费项目(200903152)

Lab-Scale Simulation of Content Changes of Iron Species in a BTEX-Contaminated Aquifer

  • 摘要: 通过砂柱试验模拟BTEX(苯、甲苯、乙苯和二甲苯的混合物)污染含水层的过程,分析了含水层中铁形态分布及氧化还原环境的变化.结果表明:发生铁还原反应区域介质中的w(TFe)降幅最大,达25.7%;而发生硫酸盐还原反应的区域介质中的w(TFe)因亚铁沉淀生成作用降幅减至11.7%~14.6%.铁还原菌电子受体主要来源于氧化物结合态铁;氧化物结合态铁首先转化为可交换态铁,进而被利用.硫化物结合态铁的形成可作为硫酸盐还原过程开始的标志.

     

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出版历程
  • 收稿日期:  2011-12-07
  • 修回日期:  2012-03-12
  • 刊出日期:  2012-07-25

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