Degradation of tetracycline by activating persulfate using biochar-based CuFe2O4 composite

Wei Zhang; Shijun Feng; Jianfeng Ma; Fang Zhu; Sridhar Komarneni

doi:10.1007/s11356-022-20500-x

Degradation of tetracycline by activating persulfate using biochar-based CuFe₂O₄ composite

Wei Zhang, Shijun Feng, Jianfeng Ma, Fang Zhu, Sridhar Komarneni

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

Biochar derived from Lentinus edodes (LBC) and CuFe₂O₄ (CuFe₂O₄@LBC) composites were prepared by the hydrothermal method, and were applied to activate persulfate (PDS) for degrading tetracycline (TC) in a wide pH range. The CuFe₂O₄@LBC composites were characterized by XRD, FTIR, SEM, and XPS. LBC-derived biochars greatly reduced the aggregation of CuFe₂O₄ particles and enhanced the catalytic performance of CuFe₂O₄. CuFe₂O₄@LBC catalyst could remove 85% of tetracycline within 100 min under visible light. In addition, the removal rate of TC reached 76% after five cycles, indicating that the composite had good stability and reusability. Simple classical quenching experiments suggested that the degradation of TC could be mainly attributed to •OH and •S O4-.

Original language	English (US)
Pages (from-to)	67003-67013
Number of pages	11
Journal	Environmental Science and Pollution Research
Volume	29
Issue number	44
DOIs	https://doi.org/10.1007/s11356-022-20500-x
State	Published - Sep 2022

All Science Journal Classification (ASJC) codes

Environmental Chemistry
Pollution
Health, Toxicology and Mutagenesis

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title = "Degradation of tetracycline by activating persulfate using biochar-based CuFe2O4 composite",

abstract = "Biochar derived from Lentinus edodes (LBC) and CuFe2O4 (CuFe2O4@LBC) composites were prepared by the hydrothermal method, and were applied to activate persulfate (PDS) for degrading tetracycline (TC) in a wide pH range. The CuFe2O4@LBC composites were characterized by XRD, FTIR, SEM, and XPS. LBC-derived biochars greatly reduced the aggregation of CuFe2O4 particles and enhanced the catalytic performance of CuFe2O4. CuFe2O4@LBC catalyst could remove 85% of tetracycline within 100 min under visible light. In addition, the removal rate of TC reached 76% after five cycles, indicating that the composite had good stability and reusability. Simple classical quenching experiments suggested that the degradation of TC could be mainly attributed to •OH and •S O4-.",

author = "Wei Zhang and Shijun Feng and Jianfeng Ma and Fang Zhu and Sridhar Komarneni",

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T1 - Degradation of tetracycline by activating persulfate using biochar-based CuFe2O4 composite

AU - Zhang, Wei

AU - Feng, Shijun

AU - Ma, Jianfeng

AU - Zhu, Fang

AU - Komarneni, Sridhar

PY - 2022/9

Y1 - 2022/9

N2 - Biochar derived from Lentinus edodes (LBC) and CuFe2O4 (CuFe2O4@LBC) composites were prepared by the hydrothermal method, and were applied to activate persulfate (PDS) for degrading tetracycline (TC) in a wide pH range. The CuFe2O4@LBC composites were characterized by XRD, FTIR, SEM, and XPS. LBC-derived biochars greatly reduced the aggregation of CuFe2O4 particles and enhanced the catalytic performance of CuFe2O4. CuFe2O4@LBC catalyst could remove 85% of tetracycline within 100 min under visible light. In addition, the removal rate of TC reached 76% after five cycles, indicating that the composite had good stability and reusability. Simple classical quenching experiments suggested that the degradation of TC could be mainly attributed to •OH and •S O4-.

AB - Biochar derived from Lentinus edodes (LBC) and CuFe2O4 (CuFe2O4@LBC) composites were prepared by the hydrothermal method, and were applied to activate persulfate (PDS) for degrading tetracycline (TC) in a wide pH range. The CuFe2O4@LBC composites were characterized by XRD, FTIR, SEM, and XPS. LBC-derived biochars greatly reduced the aggregation of CuFe2O4 particles and enhanced the catalytic performance of CuFe2O4. CuFe2O4@LBC catalyst could remove 85% of tetracycline within 100 min under visible light. In addition, the removal rate of TC reached 76% after five cycles, indicating that the composite had good stability and reusability. Simple classical quenching experiments suggested that the degradation of TC could be mainly attributed to •OH and •S O4-.

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Degradation of tetracycline by activating persulfate using biochar-based CuFe₂O₄ composite

Abstract

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