Highly efficient removal of thallium in wastewater by MnFe2O4-biochar composite

Juan Liu; Shixing Ren; Jielong Cao; Daniel C.W. Tsang; Jingzi Beiyuan; Yutao Peng; Fa Fang; Jingye She; Meiling Yin; Nengping Shen; Jin Wang

doi:10.1016/j.jhazmat.2020.123311

Highly efficient removal of thallium in wastewater by MnFe₂O₄-biochar composite

Juan Liu, Shixing Ren, Jielong Cao, Daniel C.W. Tsang, Jingzi Beiyuan, Yutao Peng, Fa Fang, Jingye She, Meiling Yin, Nengping Shen, Jin Wang

Research output: Journal article publication › Journal article › Academic research › peer-review

17 Citations (Scopus)

Abstract

Thallium (Tl), is a highly toxic trace metal in the natural environment. Emerging Tl pollution in waters has gradually become a global concern. However, limited removal technologies are available for Tl-containing wastewater. Herein, MnFe₂O₄-biochar composite (MFBC) was successfully fabricated via coprecipitation method as a novel and efficient adsorbent for treating Tl(I)-contaminated wastewater. It was found that the MFBC, with a specific surface area of 187.03 m²/g, exhibited high performance across a wide pH range of 4–11, with the superior Tl(I) removal capacity (170.55 mg/g) based on Langmuir model (pH 6.0, a dosage of 1 g/L). The removal mechanisms included physical and chemical adsorption, ion exchange, surface complexation, and oxidation. This investigation revealed that MFBC is a promising and environmentally friendly adsorbent with a low cost, large specific surface area, magnetic properties, and high efficiency for the removal of Tl(I) from wastewater.

Original language	English
Article number	123311
Journal	Journal of Hazardous Materials
Volume	401
DOIs	https://doi.org/10.1016/j.jhazmat.2020.123311
Publication status	Published - 5 Jan 2021

Keywords

Engineered biochar
Industrial wastewater treatment
Iron/manganese coprecipitation
Sustainable engineering
Thallium remediation

ASJC Scopus subject areas

Environmental Engineering
Environmental Chemistry
Waste Management and Disposal
Pollution
Health, Toxicology and Mutagenesis

More information

10.1016/j.jhazmat.2020.123311

Link to publication in Scopus

Cite this

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title = "Highly efficient removal of thallium in wastewater by MnFe2O4-biochar composite",

abstract = "Thallium (Tl), is a highly toxic trace metal in the natural environment. Emerging Tl pollution in waters has gradually become a global concern. However, limited removal technologies are available for Tl-containing wastewater. Herein, MnFe2O4-biochar composite (MFBC) was successfully fabricated via coprecipitation method as a novel and efficient adsorbent for treating Tl(I)-contaminated wastewater. It was found that the MFBC, with a specific surface area of 187.03 m2/g, exhibited high performance across a wide pH range of 4–11, with the superior Tl(I) removal capacity (170.55 mg/g) based on Langmuir model (pH 6.0, a dosage of 1 g/L). The removal mechanisms included physical and chemical adsorption, ion exchange, surface complexation, and oxidation. This investigation revealed that MFBC is a promising and environmentally friendly adsorbent with a low cost, large specific surface area, magnetic properties, and high efficiency for the removal of Tl(I) from wastewater.",

keywords = "Engineered biochar, Industrial wastewater treatment, Iron/manganese coprecipitation, Sustainable engineering, Thallium remediation",

author = "Juan Liu and Shixing Ren and Jielong Cao and Tsang, {Daniel C.W.} and Jingzi Beiyuan and Yutao Peng and Fa Fang and Jingye She and Meiling Yin and Nengping Shen and Jin Wang",

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Highly efficient removal of thallium in wastewater by MnFe₂O₄-biochar composite. / Liu, Juan; Ren, Shixing; Cao, Jielong; Tsang, Daniel C.W.; Beiyuan, Jingzi; Peng, Yutao; Fang, Fa; She, Jingye; Yin, Meiling; Shen, Nengping; Wang, Jin.

In: Journal of Hazardous Materials, Vol. 401, 123311, 05.01.2021.

Research output: Journal article publication › Journal article › Academic research › peer-review

TY - JOUR

T1 - Highly efficient removal of thallium in wastewater by MnFe2O4-biochar composite

AU - Liu, Juan

AU - Ren, Shixing

AU - Cao, Jielong

AU - Tsang, Daniel C.W.

AU - Beiyuan, Jingzi

AU - Peng, Yutao

AU - Fang, Fa

AU - She, Jingye

AU - Yin, Meiling

AU - Shen, Nengping

AU - Wang, Jin

PY - 2021/1/5

Y1 - 2021/1/5

N2 - Thallium (Tl), is a highly toxic trace metal in the natural environment. Emerging Tl pollution in waters has gradually become a global concern. However, limited removal technologies are available for Tl-containing wastewater. Herein, MnFe2O4-biochar composite (MFBC) was successfully fabricated via coprecipitation method as a novel and efficient adsorbent for treating Tl(I)-contaminated wastewater. It was found that the MFBC, with a specific surface area of 187.03 m2/g, exhibited high performance across a wide pH range of 4–11, with the superior Tl(I) removal capacity (170.55 mg/g) based on Langmuir model (pH 6.0, a dosage of 1 g/L). The removal mechanisms included physical and chemical adsorption, ion exchange, surface complexation, and oxidation. This investigation revealed that MFBC is a promising and environmentally friendly adsorbent with a low cost, large specific surface area, magnetic properties, and high efficiency for the removal of Tl(I) from wastewater.

AB - Thallium (Tl), is a highly toxic trace metal in the natural environment. Emerging Tl pollution in waters has gradually become a global concern. However, limited removal technologies are available for Tl-containing wastewater. Herein, MnFe2O4-biochar composite (MFBC) was successfully fabricated via coprecipitation method as a novel and efficient adsorbent for treating Tl(I)-contaminated wastewater. It was found that the MFBC, with a specific surface area of 187.03 m2/g, exhibited high performance across a wide pH range of 4–11, with the superior Tl(I) removal capacity (170.55 mg/g) based on Langmuir model (pH 6.0, a dosage of 1 g/L). The removal mechanisms included physical and chemical adsorption, ion exchange, surface complexation, and oxidation. This investigation revealed that MFBC is a promising and environmentally friendly adsorbent with a low cost, large specific surface area, magnetic properties, and high efficiency for the removal of Tl(I) from wastewater.

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