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Bilias F, Nikoli T, Kalderis D, et al. Towards a Soil Remediation Strategy Using Biochar: Effects on Soil Chemical Properties and Bioavailability of Potentially Toxic Elements. Toxics. 2021;9(8)doi: 10.3390/toxics9080184.
Bilias, F., Nikoli, T., Kalderis, D., & Gasparatos, D. (2021). Towards a Soil Remediation Strategy Using Biochar: Effects on Soil Chemical Properties and Bioavailability of Potentially Toxic Elements. Toxics, 9(8), . https://doi.org/10.3390/toxics9080184
Bilias, Fotis, et al. "Towards a Soil Remediation Strategy Using Biochar: Effects on Soil Chemical Properties and Bioavailability of Potentially Toxic Elements." Toxics vol. 9,8 (2021). doi: https://doi.org/10.3390/toxics9080184
Bilias F, Nikoli T, Kalderis D, Gasparatos D. Towards a Soil Remediation Strategy Using Biochar: Effects on Soil Chemical Properties and Bioavailability of Potentially Toxic Elements. Toxics. 2021 Aug 04;9(8). doi: 10.3390/toxics9080184. PMID: 34437502; PMCID: PMC8402515.
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Toxics. 2021 Aug 04;9(8). doi: 10.3390/toxics9080184.

Towards a Soil Remediation Strategy Using Biochar: Effects on Soil Chemical Properties and Bioavailability of Potentially Toxic Elements.

Toxics

Fotis Bilias, Thomai Nikoli, Dimitrios Kalderis, Dionisios Gasparatos

Affiliations

  1. Soil Science Laboratory, Soil Science and Agricultural Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
  2. Laboratory of Soil Science and Plant Diagnostics, Mediterranean Agronomic Institute of Chania, 73100 Chania, Greece.
  3. Department of Electronic Engineering, Hellenic Mediterranean University, 73133 Chania, Greece.
  4. Laboratory of Soil Science and Agricultural Chemistry, Agricultural University of Athens, 11855 Athens, Greece.

PMID: 34437502 PMCID: PMC8402515 DOI: 10.3390/toxics9080184

Abstract

Soil contamination with potentially toxic elements (PTEs) is considered one of the most severe environmental threats, while among remediation strategies, research on the application of soil amendments has received important consideration. This review highlights the effects of biochar application on soil properties and the bioavailability of potentially toxic elements describing research areas of intense current and emerging activity. Using a visual scientometric analysis, our study shows that between 2019 and 2020, research sub-fields like earthworm activities and responses, greenhouse gass emissions, and low molecular weight organic acids have gained most of the attention when biochar was investigated for soil remediation purposes. Moreover, biomasses like rice straw, sewage sludge, and sawdust were found to be the most commonly used feedstocks for biochar production. The effect of biochar on soil chemistry and different mechanisms responsible for PTEs' immobilization with biochar, are also briefly reported. Special attention is also given to specific PTEs most commonly found at contaminated soils, including Cu, Zn, Ni, Cr, Pb, Cd, and As, and therefore are more extensively revised in this paper. This review also addresses some of the issues in developing innovative methodologies for engineered biochars, introduced alongside some suggestions which intend to form a more focused soil remediation strategy.

Keywords: CiteSpace; biochar; designer biochars; immobilization mechanisms; potentially toxic elements (PTEs); scientometric analysis; soil contamination; soil-biochar interractions

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