Removal of perchlorate from water using iron salts supported on activated carbon

HE Yong; TANG Minkang; LU Lijuan

doi:10.13264/j.cnki.ysjskx

Volume 7 Issue 2

Apr. 2016

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Nonferrous Metals Science and Engineering > 2016 > 7(2): 48-53. > DOI: 10.13264/j.cnki.ysjskx

HE Yong, TANG Minkang, LU Lijuan. Removal of perchlorate from water using iron salts supported on activated carbon[J]. Nonferrous Metals Science and Engineering, 2016, 7(2): 48-53. DOI: 10.13264/j.cnki.ysjskx

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Removal of perchlorate from water using iron salts supported on activated carbon

School of Resources and Environment Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

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Received Date: July 07, 2015
Published Date: April 29, 2016

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Abstract

Five different iron salts for modified activated carbon, iron salts supported on activated carbon (GAC-Fe) was synthesized in infiltration, the GAC-Fe were characterized through X-ray diffraction (XRD) and Fourier transform infrared spectroscopy(FTIR).The effect of different pH and initial ClO₄^- concentration adsorbed perchlorate, adsorption isothermal models and kinetics were studied, and its reaction mechanisms was assessed.The results showed that the removal of ClO₄^- was best when FeCl₃supported on activated carbon, removal rate was 97%;the removal rate of ClO₄^-under the condition of weak acid and neutral was better, adsorption isotherm experiments showed that describe the composite material adsorption of ClO₄^- process Langmuir model better than Freundlich model; adsorption kinetics result showed that the adsorption of ClO₄^- of composite material(GAC-FeCl₃) more in line with the pseudo-secondary dynamics equation.
- activated carbon,
- perchlorate,
- iron salts,
- adsorption isothermal,
- kinetic

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