Abstract
The influence of catalyst (CuSO4 solution), pH and temperature on the vanillin formation and oxygen consumption in oxidation of lignin in alkaline media have been studied. It was shown that the main role of catalyst in the lignin oxidation is to change the selectivity of hydroperoxide fragmentation rather than to accelerate oxidation.
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Tarabanko, V.E., Fomova, N.A., Kuznetsov, B.N. et al. On the mechanism of vanillin formation in the catalytic oxidation of lignin with oxygen. React Kinet Catal Lett 55, 161–170 (1995). https://doi.org/10.1007/BF02075847
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DOI: https://doi.org/10.1007/BF02075847