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Valorization of agriculture waste biomass as biochar: As first-rate biosorbent for remediation of contaminated soil

Lookup NU author(s): Professor Anh Phan

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Abstract

© 2022. Each year, Asia produces an estimated 350 million tonnes of agricultural residues. According to Ministry of Power projections, numerous tonnes of such waste are discarded each year, in addition to being used as green manure. The methodology used to convert agricultural waste into the most valuable biochar, as well as its critical physical and chemical properties, were described in this review. This review also investigates the beneficial effects of bio and phytoremediation on metal(lloid)-contaminated soil. Agriculture biomass-based biochar is an intriguing organic residue material with the potential to be used as a responsible solution for metal(lloid) polluted soil remediation and soil improvement. Plants with faster growth and higher biomass can meet massive remediation demands. Recent research shows significant progress in agricultural biomass-based biomass conversion as biochar, as well as understanding the frameworks of metal(lloid) accumulation and mobility in plants used for metal(lloid) polluted soil remediation. Biochar made from various agricultural biomass can promote native plant growth and improve phytoremediation efficiency in polluted soil with metal(lloid)s. This carbon-enriched biochar promotes native microbial activity by neutralising pH and providing adequate nutrition. Thus, this review critically examines the feasibility of converting agricultural waste biomass into biochar, as well as the impact on plant and microbe remediation potential in metal(lloid)s polluted soil.

Publication metadata

Author(s): Van Nguyen TT, Phan AN, Nguyen T-A, Nguyen TK, Nguyen ST, Pugazhendhi A, Ky Phuong HH

Publication type: Article

Publication status: Published

Journal: Chemosphere

Year: 2022

Volume: 307

Print publication date: 01/11/2022

Online publication date: 10/08/2022

Acceptance date: 22/07/2022

ISSN (print): 0045-6535

ISSN (electronic): 1879-1298

Publisher: Elsevier Ltd

URL: https://doi.org/10.1016/j.chemosphere.2022.135834

DOI: 10.1016/j.chemosphere.2022.135834

PubMed id: 35963379

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