Abstract
A procedure has been developed for converting 2,3-butanediol inca. 10% aqueous solution to 2-butanone by passing it through a porous anode at which it is selectively oxidized to acetoin by electrogenerated NaBrO and then pumping to a porous cathode at which it is reduced to 2-butanone. The not fully optimized yields and current efficiencies are 75% and 60%, respectively. The procedure employs: Pb/Hg or Zn/Hg cathodes, graphite anodes, pHca. 7, ambient temperature, current density of 2 mA cm−2, five minute residence time outside the cell, packed bed electrodes, and parallel electrolyte and current flow.
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Baizer, M.M., Nonaka, T., Park, K. et al. Electrochemical conversion of 2,3-butanediol to 2-butanone in undivided flow cells: a paired synthesis. J Appl Electrochem 14, 197–208 (1984). https://doi.org/10.1007/BF00618738
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DOI: https://doi.org/10.1007/BF00618738