Pulsed power supply for sustainable redox agent supply for hydrogen abatement during electrochemical hypochlorite generation

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United States of America Patent

PATENT NO 11802063
APP PUB NO 20210139351A1
SERIAL NO

16491753

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Abstract

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A method of operating an electrochemical cell including introducing an aqueous solution into the electrochemical cell, applying a current across an anode and a cathode to produce a product, monitoring the voltage, dissolved hydrogen, or a condition of the aqueous solution, and applying the current in a pulsed waveform responsive to one of the measured parameters is disclosed. An electrochemical system including an electrochemical cell including an anode and a cathode, a source of an aqueous solution having an outlet fluidly connectable to the electrochemical cell, a sensor for measuring a parameter, and a controller configured to cause the anode and the cathode to apply the current in a pulsed waveform responsive to the parameter measurement is disclosed. Methods of suppressing accumulation of hydrogen gas within the electrochemical cell are also disclosed. Methods of facilitating operation of an electrochemical cell are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
EVOQUA WATER TECHNOLOGIES LLC4800 NORTH POINT PARKWAY SUITE 250 ALPHARETTA GA 30022

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dukes, Simon Paul Chelmsford, US 8 9
Griffis, Joshua Ashburnham, US 31 24
Gu, George Andover, US 16 13
Shaw, Michael Derry, US 53 720

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