De Nora Holdings Us, Inc.

Matthew Ronald Santillanes

Justin Sanchez

Kevin Schwarz

Geofrey C Showalter

William J Stewart

Kyle Lee

Andrew Kiskadden Boal

Method and apparatus for a low maintenance, high reliability on-site electrolytic generator incorporating automatic cell monitoring for contaminant film buildup, as well as automatically removing or cleaning the contaminant film. This method and apparatus preferably does not require human intervention to clean. For high current density cells, cleaning is preferably performed by reversing the polarity of the electrodes and applying a lower current density to the electrodes, preferably by adjusting the salinity or brine concentration of the electrolyte while keeping the voltage constant. Electrolyte flow preferably comprises water and brine flows which are preferably separately monitored and automatically adjusted. For bipolar cells, flow between modules arranged in parallel is preferably approximately equally distributed between modules and between intermediate electrodes within each module.

Electrolytic on-site generator

Disclosed in the present invention are methods and apparatuses for the electrochemical conversion of halide ion containing brines into halogen based disinfection solutions while the impact of scale formation on electrochemical system operations. This is accomplished by controllably modifying the brine with one or more of halide ions, a halogen stabilization compound, an acid component, or a buffering component. These chemical modifications of the brine allow for the production of stabilized 10 halogen solutions, which can then be used as disinfectants. The present invention is especially useful in the production of halogen-based biocides from flowback or produced waters resulting from oil and gas production, but can be applied to any halide ion containing water stream, including reject water from reverse osmosis filtration processes or ocean water, that contains ammonia.

Electrolytic production of halogen based disinfectant solutions from halide containing waters and uses thereof

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Albuquerque, NM, United States of America

Matthew Ronald Santillanes