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改性沸石承载纳米Fe/Ni对水中2,4-二氯苯酚的去除

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张永祥, 王由好, 段智隆, 秦灿. 改性沸石承载纳米Fe/Ni对水中2,4-二氯苯酚的去除[J]. 环境工程学报, 2017, 11(3): 1341-1346. doi: 10.12030/j.cjee.201511039
引用本文: 张永祥, 王由好, 段智隆, 秦灿. 改性沸石承载纳米Fe/Ni对水中2,4-二氯苯酚的去除[J]. 环境工程学报, 2017, 11(3): 1341-1346. doi: 10.12030/j.cjee.201511039
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ZHANG Yongxiang, WANG Youhao, DUAN Zhilong, QIN Can. Removal of 2,4-dichlorophenol in water using nanoscale Fe/Ni supported on modified zeolite[J]. Chinese Journal of Environmental Engineering, 2017, 11(3): 1341-1346. doi: 10.12030/j.cjee.201511039
Citation: ZHANG Yongxiang, WANG Youhao, DUAN Zhilong, QIN Can. Removal of 2,4-dichlorophenol in water using nanoscale Fe/Ni supported on modified zeolite[J]. Chinese Journal of Environmental Engineering, 2017, 11(3): 1341-1346. doi: 10.12030/j.cjee.201511039
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改性沸石承载纳米Fe/Ni对水中2,4-二氯苯酚的去除

  • 1.

    北京工业大学建筑工程学院, 北京 100124

  • 2.

    水质科学与水环境恢复工程北京市重点实验室, 北京 100124

  • 基金项目:

    国家科技支撑计划资助项目（2011BAC12B00）

  • 中图分类号: X703

Removal of 2,4-dichlorophenol in water using nanoscale Fe/Ni supported on modified zeolite

  • 1.

    College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China

  • 2.

    Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing 100124, China

  • Fund Project:

  • 摘要: 将通过液相还原法制备的纳米铁/镍（Fe/Ni）颗粒承载于改性沸石表面制得负载型复合材料，纳米Fe/Ni在改性沸石表面具有良好的分散性。复合材料对2，4-二氯苯酚（2，4-DCP）的去除包括吸附和降解两个过程，脱氯降解是主要过程。实验结果表明，25℃时，0.6 g的复合材料对20 mg·L-1的2，4-DCP去除效果达到80%，在酸性条件下，复合材料的去除效果未见明显差异，碱性环境会影响2，4-DCP的去除效果。降解产物苯酚被吸附在材料表面，避免了对水环境的二次污染。
    Abstract: Iron/nickel (Fe/Ni) nanoparticles prepared by liquid-phase reduction were deposited onto the surface of modified zeolite to obtain a supported composite material. The Fe/Ni nanoparticles were well-dispersed on the surface of the modified zeolite. The removal path of 2,4-dichlorophenol (2,4-DCP) by the composite material includes adsorption and degradation,with the latter being the primary process. The experimental results show that nearly 80% of 2,4-DCP was removed under the following reaction conditions:initial 2,4-DCP concentration,20 mg·L-1;composite material dosage,6 g·L-1;and reaction temperature,25℃. The removal of 2,4-DCP by the composite material is significantly different under alkaline conditions but not acidic conditions. The degradation product of 2,4-DCP,phenol,was adsorbed on the surface of the material,avoiding secondary pollution of the water environment.
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  • [1] WANG Xiangyu, ZHU Minping, LIU Huiling, et al. Modification of Pd-Fe nanoparticles for catalytic dechlorination of 2,4-dichlorophenol[J]. Science of the Total Environment, 2013, 449:157-167
    [2] GILLHAM R W, O'HANNESIN S F. Enhanced degradation of halogenated aliphatics by zero-valent iron[J]. Groundwater, 1994, 32(6):958-967
    [3] SUN Yuanpang, LI Xiaoqin, CAO Jiasheng, et al. Characterization of zero-valent iron nanoparticles[J]. Advances in Colloid and Interface Science, 2006, 120(1/2/3):47-56
    [4] CHENG Rong, WANG Jianlong, ZHANG Weixian. Comparison of reductive dechlorination of p-chlorophenol using Fe0 and nanosized Fe0[J]. Journal of Hazardous Materials, 2007, 144(1/2):334-339
    [5] CHENG Shufen, WU S C. Feasibility of using metals to remediate water containing TCE[J]. Chemosphere, 2001, 43(8):1023-1028
    [6] HE Feng, ZHAO Dongye. Preparation and characterization of a new class of starch-stabilized bimetallic nanoparticles for degradation of chlorinated hydrocarbons in water[J]. Environmental Science & Technology, 2005, 39(9):3314-3320
    [7] 刘凯, 庞志华, 李小明, 等. 有机蒙脱石负载纳米铁去除4-氯酚的研究[J]. 环境科学学报, 2011, 31(12):2616-2623
    [8] ÜZÜM Ç, SHAHWAN T, ERO AĞU LU A E, et al. Synthesis and characterization of kaolinite-supported zero-valent iron nanoparticles and their application for the removal of aqueous Cu2+ and Co2+ ions[J]. Applied Clay Science, 2009, 43(2):172-181
    [9] ZHAO Deming, ZHENG Yiya, LI Min, et al. Catalytic dechlorination of 2,4-dichlorophenol by Ni/Fe nanoparticles prepared in the presence of ultrasonic irradiation[J]. Ultrasonics Sonochemistry, 2014, 21(5):1714-1721
    [10] ZHANG Zhen, CISSOKO N, WO J J, et al. Factors influencing the dechlorination of 2,4-dichlorophenol by Ni-Fe nanoparticles in the presence of humic acid[J]. Journal of Hazardous Materials, 2009, 165(1/2/3):78-86
    [11] ZHANG Zhen, WO Jingjing, CISSOKO N, et al. Kinetics of 2,4-dichlorophenol dechlorination by Pd-Fe bimetallic nanoparticles in the presence of humic acid[J]. Journal of Zhejiang University Science A, 2008, 9(1):118-124
    [12] 程荣, 王建龙, ZHANG Weixian. 纳米Fe0颗粒对三种单氯酚的降解[J]. 中国环境科学, 2006, 26(6):698-702
    [13] 魏翔, 朱琨, 王海涛, 等. 改性沸石对2,4-二氯苯酚的吸附性能研究[J]. 安全与环境学报, 2003, 3(6):57-60
    [14] WEI Jianjun, XU Xinhua, LIU Yong, et al. Catalytic hydrodechlorination of 2,4-dichlorophenol over nanoscale Pd/Fe:Reaction pathway and some experimental parameters[J]. Water Research, 2006, 40(2):348-354
    [15] XU Jiang, SHENG Tiantian, HU Yunjun, et al. Adsorption-dechlorination of 2,4-dichlorophenol using two specified MWCNTs-stabilized Pd/Fe nanocomposites[J]. Chemical Engineering Journal, 2013, 219:162-173
    [16] 何敏祯, 胡勇有, 雷超, 等. HDTMA改性沸石对三氯生的吸附特性研究[J]. 环境科学学报, 2013, 33(1):20-29
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  • 收稿日期:  2016-04-01
  • 刊出日期:  2017-03-10

改性沸石承载纳米Fe/Ni对水中2,4-二氯苯酚的去除

  • 1.  北京工业大学建筑工程学院, 北京 100124
  • 2.  水质科学与水环境恢复工程北京市重点实验室, 北京 100124
  • 收稿日期:  2016-04-01
基金项目:

国家科技支撑计划资助项目（2011BAC12B00）

摘要: 将通过液相还原法制备的纳米铁/镍（Fe/Ni）颗粒承载于改性沸石表面制得负载型复合材料，纳米Fe/Ni在改性沸石表面具有良好的分散性。复合材料对2，4-二氯苯酚（2，4-DCP）的去除包括吸附和降解两个过程，脱氯降解是主要过程。实验结果表明，25℃时，0.6 g的复合材料对20 mg·L-1的2，4-DCP去除效果达到80%，在酸性条件下，复合材料的去除效果未见明显差异，碱性环境会影响2，4-DCP的去除效果。降解产物苯酚被吸附在材料表面，避免了对水环境的二次污染。

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