Chemistry: electrical and wave energy – Processes and products
Patent
1989-04-10
1990-08-21
Niebling, John F.
Chemistry: electrical and wave energy
Processes and products
204 77, 204 78, 204 79, C25C 300
Patent
active
049503685
ABSTRACT:
Paired electrochemical synthesis reactions in which ethylene glycol is formed at the cathode of a membrane divided cell at high concentrations and current efficiencies, up to 99 percent. Simultaneously, a compatible process is also conducted at the anode of the same electrochemical cell by reacting indirectly generated anode products with organic substrates to form secondary products, such as polybasic acids. The process is especially advantageous in that such secondary products, where appropriate can be further reacted with the ethylene glycol prepared from the catholyte of the same cell to form useful tertiary products, especially polyesters like polyethylene terephthalate. Mole ratios of ethylene glycol and polybasic acid can be controlled through selective use of regeneratable redox reactant.
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Genders John D.
Mazur Duane J.
Weinberg Norman L.
Ellis Howard M.
Marquis Steven P.
Niebling John F.
SKA Associates
The Electrosynthesis Co., Inc.
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