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Biochar as a Multifunctional Component of the Environment—A Review
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Preparation and Modification of Biochar Materials and their Application in Soil Remediation

College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
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Appl. Sci. 2019, 9(7), 1365; https://doi.org/10.3390/app9071365
Received: 28 February 2019 / Revised: 21 March 2019 / Accepted: 25 March 2019 / Published: 1 April 2019
(This article belongs to the Special Issue New Carbon Materials from Biomass and Their Applications)
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Abstract

As a new functional material, biochar was usually prepared from biomass and solid wastes such as agricultural and forestry waste, sludge, livestock, and poultry manure. The wide application of biochar is due to its abilities to remove pollutants, remediate contaminated soil, and reduce greenhouse gas emissions. In this paper, the influence of preparation methods, process parameters, and modification methods on the physicochemical properties of biochar were discussed, as well as the mechanisms of biochar in the remediation of soil pollution. The biochar applications in soil remediation in the past years were summarized, such as the removal of heavy metals and persistent organic pollutants (POPs), and the improvement of soil quality. Finally, the potential risks of biochar application and the future research directions were analyzed. View Full-Text
Keywords: biochar preparation; soil pollution; remediation biochar preparation; soil pollution; remediation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Yang, X.; Zhang, S.; Ju, M.; Liu, L. Preparation and Modification of Biochar Materials and their Application in Soil Remediation. Appl. Sci. 2019, 9, 1365.

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