Methods for the electrosynthesis of polyols

Chemistry: electrical and wave energy – Processes and products

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204 59R, C25B 300

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active

044786948

ABSTRACT:
The electrosynthesis of ethylene glycol conducted with a formaldehyde-containing electrolyte provides unexpectedly higher current efficiencies at pH's maintained above about 5 to below about 7. Performance may be improved further through use of electrolytes having high formaldehyde-low methanol concentrations and with oxygen-containing organic compounds. Cell components such as gas diffusion electrodes and oxidized carbon or graphite cathodes also enhance current efficiencies.

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patent: 4337371 (1982-06-01), Kollar
Tomilov, A. P. et al., J. Obshchei Khimii, vol. 43, (12) 2792 (1973).
Watanabe et al., Toyo Soda Kenkyu Hokoku, vol. 24, (2) 93-98 (1980).
Weinberg et al., Abstracts of the Electrochemical Society, Montreal Meeting, May, 1982.

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