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KE Hang, ZHANG Fang, LI Guanghe, ZHANG Xu. Influence of iron precursor in carbothermal synthesis of magnetic carbonaceous adsorbents[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 4917-4922. doi: 10.12030/j.cjee.201610171
Citation: KE Hang, ZHANG Fang, LI Guanghe, ZHANG Xu. Influence of iron precursor in carbothermal synthesis of magnetic carbonaceous adsorbents[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 4917-4922. doi: 10.12030/j.cjee.201610171
shu

Influence of iron precursor in carbothermal synthesis of magnetic carbonaceous adsorbents

  • 1.

    State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China

  • Received Date: 20/12/2016
    Accepted Date: 26/10/2016
    Available Online: 26/08/2017
    Fund Project:
  • In this work,the influence of the iron precursor for carbothermal synthesis of magnetic carbonaceous adsorbents towards trichloroethylene removal was evaluated. Three iron salts were used to get three kinds of magnetic carbonaceous adsorbents:ferric chloride, ferric nitrate and ferrous sulfate. All adsorbents were prepared at different temperatures of 600, 700, 800℃ using sucrose as carbon source. The characterization of prepared adsorbents was done by different techniques such as nitrogen adsorption, scanning electron microscopy, X-ray diffraction and so on. The three kinds of adsorbents presented different textural properties, iron dispersion and composition, thus leading to quite different abilities of trichloroethylene adsorption. The adsorption kinetics of the prepared adsorbents for trichloroethylene removal was performed and pseudo-second order kinetics equation was used to fit the data. In present study, ferric chloride was the best option of the precursor to synthesize magnetic carbonaceous adsorbents for trichloroethylene removal.
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    1. 周丹丹，陶欢，杨万鑫，刘洋，马芷萱，贺环. 磁性生物炭合成及其对重金属吸附机制的研究进展. 农业环境科学学报. 2024(01): 11-18 .
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Influence of iron precursor in carbothermal synthesis of magnetic carbonaceous adsorbents

  • Received Date: 20/12/2016
  • Accepted Date: 26/10/2016
  • Available Online: 26/08/2017
Fund Project:

Abstract: In this work,the influence of the iron precursor for carbothermal synthesis of magnetic carbonaceous adsorbents towards trichloroethylene removal was evaluated. Three iron salts were used to get three kinds of magnetic carbonaceous adsorbents:ferric chloride, ferric nitrate and ferrous sulfate. All adsorbents were prepared at different temperatures of 600, 700, 800℃ using sucrose as carbon source. The characterization of prepared adsorbents was done by different techniques such as nitrogen adsorption, scanning electron microscopy, X-ray diffraction and so on. The three kinds of adsorbents presented different textural properties, iron dispersion and composition, thus leading to quite different abilities of trichloroethylene adsorption. The adsorption kinetics of the prepared adsorbents for trichloroethylene removal was performed and pseudo-second order kinetics equation was used to fit the data. In present study, ferric chloride was the best option of the precursor to synthesize magnetic carbonaceous adsorbents for trichloroethylene removal.

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