Chemistry: electrical and wave energy – Processes and products
Patent
1977-02-07
1978-06-27
Prescott, Arthur C.
Chemistry: electrical and wave energy
Processes and products
204180P, 204 78, 204 79, C25B 302, C25B 304
Patent
active
040973468
ABSTRACT:
Process for producing diacetone-L-ketogulonic acid by passing a solution of diacetone-L-sorbose through a specially constructed electrochemical cell while applying electrical current whereby to bring about oxidation of said diacetone-L-sorbose at the anode of said electrical cell, and recovering the diacetone-L-ketogulonic acid from said electrolyzed solution. The electrochemical cell utilizes an electrode which is characterized by its including at least one electrode roll formed by spiralling a deformable sandwich arrangement of electrode layers and spacing layers for preventing direct electrical contact between them, said electrode layers being made of an electrically conductive material, at least one of the spacing layers being ion-permeable and the electrodes and spacing layers having shapes and material structures which co-operate with each other to enable electrolyte flow through said electrode roll or rolls.
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patent: 2960452 (1960-11-01), Slager et al.
patent: 3453191 (1969-07-01), Frohlich et al.
patent: 3697410 (1972-10-01), Johnson et al.
patent: 3859195 (1975-01-01), Williams
patent: 3923629 (1975-12-01), Shaffer
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