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Biochar-clay, biochar-microorganism and biochar-enzyme composites for environmental remediation: a review

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Abstract

Worldwide pollution of waters and soils is a rising health issue calling for advanced decontamination methods such as adsorption of contaminants on biochar because biochar is carbon-negative material displaying many adsorptive properties. Biochar has been improved by chemical, physical and magnetic modifications, and by surface decoration, yet the recent development of biochar-supported composites appears more promising. Here we review biochar-supported composites with focus on preparation, mechanisms, biochar-clays, biochar-microorganisms, biochar-enzymes, and applications to adsorb metals, nutrients and organic contaminants.

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Acknowledgements

The authors thank the valuable comments of anonymous reviewers and editor.

Funding

This work was supported by the National Key R&D Program of China (No. 2020YFC1808802) and the Capacity Building Program of Local Colleges in Shanghai (20090503200).

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Contributions

ML: Conceptualization, Validation, Methodology, Investigation, Writing-original draft. FL: Supervision, Writing-review & editing. XL: Supervision, Writing-review & editing. XR: Investigation, Writing-review & editing. KO: Writing-review & editing.

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Correspondence to Fayun Li.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Lin, M., Li, F., Li, X. et al. Biochar-clay, biochar-microorganism and biochar-enzyme composites for environmental remediation: a review. Environ Chem Lett 21, 1837–1862 (2023). https://doi.org/10.1007/s10311-023-01582-6

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  • DOI: https://doi.org/10.1007/s10311-023-01582-6

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