Electrochemical production of peroxopyrosulphuric acid using...

Electrolysis: processes – compositions used therein – and methods – Electrolytic synthesis – Preparing inorganic compound

Reexamination Certificate

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C205S472000, C204S242000

Reexamination Certificate

active

06855242

ABSTRACT:
A process for the electrochemical production of peroxo-disulfuric acid and peroxo-disulfates is provided. In the process, an anode having a partially pre-polarized electrode which has been provided with a doped diamond layer is used.

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Beck F. et al., “Boron doped diamond/titanium composite electrodes for electrochemical gas generation from aqueous electrolytes,” Electrochimica Acta vol. 44 No. 2-3, Elsevier Science Ltd., p. 525-532, XP004137778, (Sep. 15, 1998).
Perret A. et al., “Diamond Electrodes and Microelectrodes,” Electrochemical Society Proceedings, vol. 97 to 32, no date.
Katsuki et al., “Electrolysis by using diamond thin film electrodes,” Chemical Abstracts, vol. 126, (No. 24), Abstract No. 322348, (Jun. 16, 1997).
Michaud, P.A., et al., “Preparation of Perosodisulfuric Acid Using Boron-Doped Diamond Thin Film Electrodes,” Electrochemical and Solid-State Letters, vol. 3, No. 2, The Electrochemical Society, Inc., p. 77-79, XP002158202 (Dec. 15, 1999).

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