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Oxidative Magnetic Modification of Pristine Biochar Assisted by Ball-Milling for Removal of Methylene Blue and Tetracycline in Aqueous Solution

Author

Listed:
  • Yijia Chen

    (Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
    Key Laboratory of Solid Waste Resource Utilization and Environmental Protection, Hainan University, Haikou 570228, China)

  • Linzhou Li

    (Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
    Key Laboratory of Solid Waste Resource Utilization and Environmental Protection, Hainan University, Haikou 570228, China)

  • Qin Wen

    (Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
    Key Laboratory of Solid Waste Resource Utilization and Environmental Protection, Hainan University, Haikou 570228, China)

  • Run Yang

    (Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
    Key Laboratory of Solid Waste Resource Utilization and Environmental Protection, Hainan University, Haikou 570228, China)

  • Yiming Zhao

    (Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
    Key Laboratory of Solid Waste Resource Utilization and Environmental Protection, Hainan University, Haikou 570228, China)

  • Xin Rao

    (Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
    Key Laboratory of Solid Waste Resource Utilization and Environmental Protection, Hainan University, Haikou 570228, China)

  • Jihui Li

    (Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
    Key Laboratory of Solid Waste Resource Utilization and Environmental Protection, Hainan University, Haikou 570228, China
    School of Science, Hainan University, Haikou 570228, China)

  • Shuying Xu

    (Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
    Key Laboratory of Solid Waste Resource Utilization and Environmental Protection, Hainan University, Haikou 570228, China)

  • Hui Song

    (Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
    Key Laboratory of Solid Waste Resource Utilization and Environmental Protection, Hainan University, Haikou 570228, China)

Abstract

Magnetic modification holds a significant place for regulating the performance of biochar for wastewater treatment, endowing its magnetic separation property and facilitating its wide application. Herein, a ball-milled oxidative magnetic modification of pristine biochar was employed to manufacture magnetic biochar using K 2 FeO 4 as a precursor and internal oxidant for removal of methylene blue and tetracycline from aqueous solution. The characterizations showed that magnetic iron oxide and oxygen-containing groups were simultaneously introduced. Moreover, specific surface area and pore volume were remarkably enhanced from 0.7 m 2 /g to 71.2 m 2 /g and from 0.001 cm 3 /g to 0.034 cm 3 /g, respectively. The magnetic biochar showed that 133.76 mg/g and 58.34 mg/g adsorption capacities for MB and TC, respectively, significantly transcended the pristine biochar. Its adsorption was mainly dominated by oxygen-containing groups and iron species. This would provide an efficient oxidative magnetic modification for the preparation of oxygen-containing group-rich magnetic biochar for the removal of MB and TC.

Suggested Citation

  • Yijia Chen & Linzhou Li & Qin Wen & Run Yang & Yiming Zhao & Xin Rao & Jihui Li & Shuying Xu & Hui Song, 2022. "Oxidative Magnetic Modification of Pristine Biochar Assisted by Ball-Milling for Removal of Methylene Blue and Tetracycline in Aqueous Solution," Sustainability, MDPI, vol. 14(15), pages 1-15, July.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:15:p:9349-:d:876166
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    Cited by:

    1. Zhichao Shi & Aowen Ma & Yuanhang Chen & Menghan Zhang & Yin Zhang & Na Zhou & Shisuo Fan & Yi Wang, 2023. "The Removal of Tetracycline from Aqueous Solutions Using Peanut Shell Biochars Prepared at Different Pyrolysis Temperatures," Sustainability, MDPI, vol. 15(1), pages 1-15, January.

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