Abstract
Biochar refers to black solid carbonaceous material produced majorly by the process of pyrolysis or sometimes produced by application of chemicals under oxygen-limited environmental conditions. The term biochar is specifically associated with a substrate that is used as soil ameliorant, and the surge in research interests toward biochar is due to its varied applications. One of the critical reasons to promote biochar as an excellent long-term soil conditioner is its stability. The characteristic properties of biochar when added to the soil are an increase in pH, nutrient retention capacity leading to elevated soil quality in agriculture, crop biomass, the fertility of the soil, cation exchange capacity, and carbon sequestration so its application in bioremediation of contaminated soils would be a substantial way to initiate many green processes in the environment. With large surface areas, accelerated sorption of organic and inorganic substances is possible, which helps reducing contaminant mobility during amendments of polluted soil. Biochar is quite promising for the removal of heavy metals, persistent organic matter, improvement of soil quality, and stabilization of soil for revegetation. This chapter summarizes biochar preparation methods and parameters, the role of biochar in bioremediation, different approaches used for soil restoration with potential drawbacks, and further scope of research with biochar in soil amendments.
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Shubhangi Parmar, Sagar Daki, and Anupama Shrivastav declare that they have no conflict of interest.
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Parmar, S., Daki, S., Shrivastav, A. (2021). Application of Biochar for Soil Remediation. In: Thapar Kapoor, R., Treichel, H., Shah, M.P. (eds) Biochar and its Application in Bioremediation. Springer, Singapore. https://doi.org/10.1007/978-981-16-4059-9_21
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DOI: https://doi.org/10.1007/978-981-16-4059-9_21
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