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Effects of Biochar-Derived Sewage Sludge on Heavy Metal Adsorption and Immobilization in Soils

Author

Listed:
  • Dan Zhou

    (Jiangxi Key Laboratory of Mining & Metallurgy Environmental Pollution Control, Jangxi University of Science and Technology, Ganzhou 341000, China)

  • Dan Liu

    (Jiangxi Key Laboratory of Mining & Metallurgy Environmental Pollution Control, Jangxi University of Science and Technology, Ganzhou 341000, China)

  • Fengxiang Gao

    (Jiangxi Key Laboratory of Mining & Metallurgy Environmental Pollution Control, Jangxi University of Science and Technology, Ganzhou 341000, China)

  • Mengke Li

    (Jiangxi Key Laboratory of Mining & Metallurgy Environmental Pollution Control, Jangxi University of Science and Technology, Ganzhou 341000, China)

  • Xianping Luo

    (Jiangxi Key Laboratory of Mining & Metallurgy Environmental Pollution Control, Jangxi University of Science and Technology, Ganzhou 341000, China
    Key Laboratory of Ionic-Type Rare Earth Resources Development and Application, Ministry of Education, Ganzhou 341000, China)

Abstract

The object of this study was to evaluate the effect of sewage sludge biochar on adsorption and mobility of Cr, Mn, Cu, and Zn. Biochar (BC400) was produced via pyrolysis of municipal sewage sludge at 400 °C. Maximum adsorption capacities ( q m ) for Zn, Cr, Mn, and Cu were 5.905, 5.724, 5.681, and 5.342 mg·g −1 , respectively, in the mono-metal solution and 2.475, 8.204, 1.01, and 5.415 mg·g −1 , respectively, in the multi-metal solution. The adsorption capacities for Mn, Cu, and Zn decreased in the multi-metal solution due to competitive adsorption, whereas the capacity for Cr increased. Surface precipitation is an important mechanism in the sorption of these metals on BC400. The 360-day incubation experiment showed that BC400 application reduced metal mobility in contaminated soils, which was attributed to the substantial decreases in the acid-soluble fractions of Cr, Mn, Cu, and Zn (72.20%, 70.38%, 50.43%, and 29.78%, respectively). Furthermore, the leaching experiment using simulated acid rain indicated that the addition of BC400 enhanced the acid buffer capacity of contaminated soil, and the concentration of Cr, Mn, Cu, and Zn in the leachate was lower than in untreated soil. Overall, this study indicates that sewage sludge biochar application reduces the mobility of heavy metal in co-contaminated soil, and this adsorption experiment is suitable for the evaluation of biochar properties for remediation.

Suggested Citation

  • Dan Zhou & Dan Liu & Fengxiang Gao & Mengke Li & Xianping Luo, 2017. "Effects of Biochar-Derived Sewage Sludge on Heavy Metal Adsorption and Immobilization in Soils," IJERPH, MDPI, vol. 14(7), pages 1-15, June.
    • Handle: RePEc:gam:jijerp:v:14:y:2017:i:7:p:681-:d:102397
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    Citations

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    Cited by:

    1. Jorge Retamal-Salgado & Juan Hirzel & Ingrid Walter & Iván Matus, 2017. "Bioabsorption and Bioaccumulation of Cadmium in the Straw and Grain of Maize ( Zea mays L.) in Growing Soils Contaminated with Cadmium in Different Environment," IJERPH, MDPI, vol. 14(11), pages 1-15, November.
    2. Julie Dajčl & Václav Tejnecký & Karel Němeček & Luboš Borůvka & Petr Drahota & Ondřej Drábek, 2022. "Comparison of chromium mobility at naturally enriched and anthropogenically polluted sites: A column leaching experiment," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 17(2), pages 100-112.
    3. A. Taraqqi-A-Kamal & Christopher J. Atkinson & Aimal Khan & Kaikai Zhang & Peng Sun & Sharmin Akther & Yanrong Zhang, 2021. "Biochar remediation of soil: linking biochar production with function in heavy metal contaminated soils," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 67(4), pages 183-201.
    4. Arachaporn Wilamas & Soydoa Vinitnantharat & Anawat Pinisakul, 2023. "Manganese Adsorption onto Permanganate-Modified Bamboo Biochars from Groundwater," Sustainability, MDPI, vol. 15(8), pages 1-16, April.
    5. Dudziak, M. & Werle, S. & Marszałek, A. & Sobek, S. & Magdziarz, A., 2022. "Comparative assessment of the biomass solar pyrolysis biochars combustion behavior and zinc Zn(II) adsorption," Energy, Elsevier, vol. 261(PB).
    6. Yanfeng Zhu & Jing Ma & Fu Chen & Ruilian Yu & Gongren Hu & Shaoliang Zhang, 2020. "Remediation of Soil Polluted with Cd in a Postmining Area Using Thiourea-Modified Biochar," IJERPH, MDPI, vol. 17(20), pages 1-13, October.
    7. Caixia Wu & Yungui Li & Mengjun Chen & Xiang Luo & Yuwei Chen & Nelson Belzile & Sheng Huang, 2018. "Adsorption of Cadmium on Degraded Soils Amended with Maize-Stalk-Derived Biochar," IJERPH, MDPI, vol. 15(11), pages 1-17, October.
    8. Yang Liu & Xiaoyu Liu & Ni Ren & Yanfang Feng & Lihong Xue & Linzhang Yang, 2019. "Effect of Pyrochar and Hydrochar on Water Evaporation in Clayey Soil under Greenhouse Cultivation," IJERPH, MDPI, vol. 16(14), pages 1-10, July.

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