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1. (WO2018165092) PULSED POWER SUPPLY FOR SUSTAINABLE REDOX AGENT SUPPLY FOR HYDROGEN ABATEMENT DURING ELECTROCHEMICAL HYPOCHLORITE GENERATION

Pub. No.:    WO/2018/165092    International Application No.:    PCT/US2018/021044
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Wed Mar 07 00:59:59 CET 2018
IPC: C25B 1/26
C25B 1/34
C25B 15/02
C02F 1/467
C25B 9/06
Applicants: EVOQUA WATER TECHNOLOGIES LLC
Inventors: GU, George Y.
DUKES, Simon Paul
GRIFFIS, Joshua
SHAW, Michael J.
Title: PULSED POWER SUPPLY FOR SUSTAINABLE REDOX AGENT SUPPLY FOR HYDROGEN ABATEMENT DURING ELECTROCHEMICAL HYPOCHLORITE GENERATION
Abstract:
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.