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Biochar Produced from Chemical Oxidation of Charcoal

TitleBiochar Produced from Chemical Oxidation of Charcoal
Publication TypeJournal Article
Year of Publication2013
AuthorsMangrich, A. S., Angelo L. C., and Mantovani K. M.
JournalFunctions of Natural Organic Matter in Changing Environment
Abstract

Oxidation of charcoal with nitric acid or with SeO2/H2O2 produced biochar, the material similar to the Indian black earth of the Amazon region. The Electron paramagnetic resonance (EPR) spectroscopy data indicate that the organic-free radical density of the prepared biochar is greater under the treatment of charcoal with SeO2/H2O2 than with nitric acid. The FTIR and EPR spectroscopy data of the prepared biochar metal ion complexes with VO2+ and Cu2+ indicate oxygen as metal ions ligand atoms.