Abstract
This chapter reports a technological concept for producing a partially oxygenated biochar material that possesses enhanced cation-exchanging property by reaction of a biochar source with one or more oxygenating compounds in such a manner that the biochar material homogeneously acquires oxygen-containing cation-exchanging groups. This concept is based on our recent experimental finding that the O:C atomic ratio in biochar material correlates with its cation-exchange capacity. The technology is directed at biochar compositions and soil formulations containing the partially oxygenated biochar materials for soil amendment and carbon sequestration.
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Acknowledgments
This technology concept was funded through a subcontract from Iowa State University under USDA Grant No. 68-3A75-5-233 at Oak Ridge National Laboratory, managed by UT-Battelle, LLC, for DOE under contract No. DE-AC05-00OR22725. MKK and ACB were funded in part by the Division of Chemical Sciences, Geosciences and Biosciences, Office of Basic Energy Sciences, US Department of Energy.
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Lee, J.W., Buchanan, A.C., Evans, B.R., Kidder, M. (2013). Oxygenation of Biochar for Enhanced Cation Exchange Capacity. In: Lee, J. (eds) Advanced Biofuels and Bioproducts. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-3348-4_4
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DOI: https://doi.org/10.1007/978-1-4614-3348-4_4
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