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Magnetic Steel Slag Biochar for Ammonium Nitrogen Removal from Aqueous Solution

Author

Listed:
  • Gyuhyeon Kim

    (Division of Advanced Nuclear Engineering, Pohang University of Science and Technology, Pohang 37673, Korea)

  • Young Mo Kim

    (Department of Civil and Environmental Engineering, Hanyang University, Seongdong-gu, Seoul 04763, Korea)

  • Su Min Kim

    (Department of Marine Environmental Engineering, Gyeongsang National University, Jinju-si 53064, Korea)

  • Hyun Uk Cho

    (Department of Marine Environmental Engineering, Gyeongsang National University, Jinju-si 53064, Korea)

  • Jong Moon Park

    (Division of Advanced Nuclear Engineering, Pohang University of Science and Technology, Pohang 37673, Korea
    School of Environmental Science and Engineering, Pohang University of Science and Technology, Pohang 37673, Korea
    Department of Chemical Engineering, Pohang University of Science and Technology, Pohang 37673, Korea
    School of Integrated Technology, Yonsei University (POSTECH-Yonsei Open Campus), Pohang 37673, Korea)

Abstract

In this study, magnetic steel slag biochar (MSSB) was synthesized from low-cost steel slag waste to investigate the effectiveness of steel slag biochar composite for NH 4 -N removal and magnetic properties in aqueous solution. The maximum adsorption capacity of NH 4 -N by MSSB was 4.366 mg/g according to the Langmuir model. The magnetic properties of MSSB indicated paramagnetic behavior and a saturation magnetic moment of 2.30 emu/g at 2 Tesla. The NH 4 -N adsorption process was well characterized by the pseudo-second order kinetic model and Temkin isotherm model. This study demonstrated the potential of magnetic biochar synthesized from steel slag waste for NH 4 -N removal in aqueous solution.

Suggested Citation

  • Gyuhyeon Kim & Young Mo Kim & Su Min Kim & Hyun Uk Cho & Jong Moon Park, 2021. "Magnetic Steel Slag Biochar for Ammonium Nitrogen Removal from Aqueous Solution," Energies, MDPI, vol. 14(9), pages 1-12, May.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:9:p:2682-:d:549979
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    References listed on IDEAS

    as
    1. Yong-Gu Lee & Jaegwan Shin & Jinwoo Kwak & Sangwon Kim & Changgil Son & Kyung Hwa Cho & Kangmin Chon, 2021. "Effects of NaOH Activation on Adsorptive Removal of Herbicides by Biochars Prepared from Ground Coffee Residues," Energies, MDPI, vol. 14(5), pages 1-15, February.
    2. Shixiang Zhao & Na Ta & Xudong Wang, 2020. "Absorption of Cu(II) and Zn(II) from Aqueous Solutions onto Biochars Derived from Apple Tree Branches," Energies, MDPI, vol. 13(13), pages 1-19, July.
    3. JoungDu Shin & Eunjung Choi & EunSuk Jang & Seung Gil Hong & SangRyong Lee & Balasubramani Ravindran, 2018. "Adsorption Characteristics of Ammonium Nitrogen and Plant Responses to Biochar Pellet," Sustainability, MDPI, vol. 10(5), pages 1-1, April.
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    Cited by:

    1. Zhiqiang Gu & Qi Zhang & Guobi Sun & Jiaxin Lu & Yuxin Liu & Zhenxia Huang & Shuming Xu & Jianghua Xiong & Yuhuan Liu, 2023. "Pretreatment of Biogas Slurry by Modified Biochars to Promote High-Value Treatment of Wastewater by Microalgae," Sustainability, MDPI, vol. 15(4), pages 1-15, February.

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