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Fenton试剂快速氧化处理地下水中BTEX可行性研究 被引量:4

Feasibility of rapid treatment of BTEX in groundwater by Fenton’s reagent
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摘要 研究了Fenton试剂氧化处理地下水中苯、甲苯、乙苯和二甲苯(BTEX)的效果。结果表明Fenton试剂具有很好的氧化处理BTEX的能力;H2O2/BTEX(摩尔比)=5和10时,在H2O2/Fe(Ⅱ)(摩尔比)=4和8的情况下氧化去除效果最好,去除率能达到80%以上;H2O2/BTEX(摩尔比)=20时,氧化去除效果显著,此时H2O2/Fe(Ⅱ)摩尔比对处理效果影响较小,H2O2/Fe(Ⅱ)=10时最终去除效率均达到97%~100%;整个实验过程中体系处于强氧化环境,pH值由6~7迅速下降至3左右。 The removal effect of Fenton’s oxidation treatment of benzene,toluene,ethyl benzene,and xylenes(BTEX) in groundwater was investigated.The results show that Fenton’s reagent suggested a strong ability to oxidize BTEX.While H2O2 /BTEX(molar ratio) = 5 and 10,H2O2 /Fe(II)(molar ratio) = 4 and 8 were best for oxidizing BTEX.The removal rate was over 80%.While H2O2 /BTEX(molar ratio) = 20,Fenton’s reagent suggested an effectively oxidation and there was little impact of H2O2 /Fe(II) on Fenton’s treatment effect.The removal rate was 97% ~ 100% while H2O2 /Fe(II) = 10.The whole Fenton system displayed a strong oxide environment and pH reduced from 6 ~ 7 to around 3 immediately.
出处 《水文地质工程地质》 CAS CSCD 北大核心 2010年第6期107-111,共5页 Hydrogeology & Engineering Geology
基金 国家高技术研究发展计划("863"计划)重大项目(2008AA06A410) 吉林大学"985工程"研究生创新基金项目(20080113)
关键词 FENTON试剂 氧化处理 BTEX 地下水 Fenton’s reagent oxidative destruction BTEX groundwater
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参考文献16

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