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Agronomy 2013, 3(2), 349-375; doi:10.3390/agronomy3020349

Impact of Biochar on Organic Contaminants in Soil: A Tool for Mitigating Risk?

 and *
Received: 30 November 2012 / Revised: 20 January 2013 / Accepted: 7 April 2013 / Published: 23 April 2013
(This article belongs to the Special Issue Biochar as Option for Sustainable Resource Management)
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Abstract: The presence of biochar in soils through natural processes (forest fires, bush burning) or through application to soil (agriculture, carbon storage, remediation, waste management) has received a significant amount of scientific and regulatory attention. Biochar alters soil properties, encourages microbial activity and enhances sorption of inorganic and organic compounds, but this strongly depends on the feedstock and production process of biochar. This review considers biochar sources, the production process and result of pyrolysis, interactions of biochar with soil, and associated biota. Furthermore, the paper focuses on the interactions between biochar and common anthropogenic organic contaminants, such as polycyclic aromatic hydrocarbons (PAHs), pesticides, and dioxins, which are often deposited in the soil environment. It then considers the feasibility of applying biochar in remediation technologies in addition to other perspective areas yet to be explored.
Keywords: biochar; bioaccessibility; bioavailability; sorption; desorption biochar; bioaccessibility; bioavailability; sorption; desorption
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.

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MDPI and ACS Style

Ogbonnaya, U.; Semple, K.T. Impact of Biochar on Organic Contaminants in Soil: A Tool for Mitigating Risk? Agronomy 2013, 3, 349-375.

AMA Style

Ogbonnaya U, Semple KT. Impact of Biochar on Organic Contaminants in Soil: A Tool for Mitigating Risk? Agronomy. 2013; 3(2):349-375.

Chicago/Turabian Style

Ogbonnaya, Uchenna; Semple, Kirk T. 2013. "Impact of Biochar on Organic Contaminants in Soil: A Tool for Mitigating Risk?" Agronomy 3, no. 2: 349-375.

Agronomy EISSN 2073-4395 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert