100 patents
Utility
Varying water level solids and tracking control
2 Jan 24
A sequencing batch reactor includes a liquid level sensor configured to measure a level of liquid in the vessel and provide an indication of the level of the liquid to a controller and a sludge detector configured to measure a position of an interface between sludge and solids-lean supernatant in the vessel and to provide an indication of the position of the interface to the controller.
Timothy Lee Lindemann, Michael Casey Whittier
Filed: 16 Nov 20
Utility
Antioxidant protection for ion exchange resins
19 Dec 23
Methods of stabilizing virgin ion exchange resin material are provided.
Gregory Bachman, Marty Wilkes
Filed: 12 Feb 19
Utility
Portable multimode reverse osmosis water purification system
19 Dec 23
A water purification system is disclosed which, includes a reverse osmosis (RO) system or component that is connectable to a city or other outside water feed that is capable of responding to and compensating for low or no feed water pressure coming into the RO system to ensure the outgoing supply of purified water is provided consistently and at a minimum water pressure.
Clinton W. Hulme
Filed: 17 Dec 21
Utility
Simultaneous nitrification/denitrification (SNDN) in sequencing batch reactor applications
28 Nov 23
A method of operating a sequencing batch reactor process includes introducing wastewater to be treated into the sequencing batch reactor and subjecting the wastewater to treatment in the sequencing batch reactor in an aerated anoxic mode in in which a quantity of oxygen is supplied at a level insufficient to meet a biological oxygen demand of the wastewater, but sufficient to cause simultaneous nitrification and denitrification reactions to occur in the wastewater.
Brandon Martin Olson
Filed: 14 Feb 23
Utility
Treatment of saline water for agricultural and potable use
21 Nov 23
Water treatment systems including electrically-driven and pressure-driven separation apparatus configured to produce a first treated water suitable for use as irrigation water and a second treated water suitable for use as potable water from one of brackish water and saline water and methods of operation of same.
Gary C. Ganzi, Frederick C. Wilkins
Filed: 20 Aug 18
Utility
Electrochlorination system configurations for the generation of high product strength solutions
14 Nov 23
An electrochlorination system comprises a source of feed fluid, a product fluid outlet, and a plurality of electrochemical cells connected fluidically between the source of feed fluid and the product fluid outlet.
Joshua Griffis, Simon Dukes, Paul Beddoes, Peter G. Rogers
Filed: 22 Feb 19
Utility
Pulsed power supply for sustainable redox agent supply for hydrogen abatement during electrochemical hypochlorite generation
31 Oct 23
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.
George Gu, Simon Paul Dukes, Joshua Griffis, Michael Shaw
Filed: 6 Mar 18
Utility
Half-cell electrochemical configurations for self-cleaning electrochlorination devices
24 Oct 23
An electrochemical cell including a first chamber having an anode, a second chamber having a cathode, at least one ionic connection between the first chamber and the second chamber, such that liquid electrolyte from the first chamber is prevented from mixing with liquid electrolyte in the second chamber is provided.
George Y. Gu, Simon Paul Dukes, Joshua Griffis, Michael J. Shaw
Filed: 6 Mar 18
Utility
Sand filter LED status light
10 Oct 23
A system for treating water for use in aquatics or recreational facilities is disclosed.
Steven Nicolich
Filed: 27 Jul 22
Utility
Removing heavy metals in a ballasted process
3 Oct 23
A system for treating metal-contaminated wastewater includes a primary treatment sub-system, a secondary treatment sub-system, and a tertiary treatment sub-system.
Rohan Wikramanayake, Raymond G. Pepin, Thomas Miles
Filed: 13 Jan 22
Utility
Side stream treatment for overflow
12 Sep 23
A system and method of treating wastewater.
Sergio Pino Jelcic
Filed: 30 Apr 20
Utility
Ballast water treatment and neutralization
15 Aug 23
Techniques and systems for neutralizing discharge waters from ballast and/or cooling water biocidal treatment and disinfection systems are provided.
Vadim Zolotarsky
Filed: 30 Aug 21
Utility
Flow features for self-cleaning concentric tubular electrochemical cells
1 Aug 23
Self-cleaning electrochemical cells, systems including self-cleaning electrochemical cells, and methods of operating self-cleaning electrochemical cells are disclosed.
Joshua Griffis, Andrew Green, Li-Shiang Liang, Paul Beddoes
Filed: 13 Apr 18
Utility
Method and system for treating ultrapure water
18 Jul 23
According to various aspects and embodiments, a system and method for polishing ultrapure water (UPW) is disclosed.
Boris Eliosov, Glen P. Sundstrom, Bruce L. Coulter
Filed: 21 Jun 21
Utility
Method and system for providing ultrapure water with flexible lamp configuration
11 Jul 23
A method and system of providing ultrapure water for semiconductor fabrication operations is provided.
Christopher Hall, Bruce Lee Coulter
Filed: 11 Mar 21
Utility
Filtering panel and method of making the same
30 May 23
The present invention relates to a filtering panel (100) for a disk filter and a disk filter for water purification, comprising a metal filter cloth (16, 116) such as a stainless steel filter cloth, pre-tensioned in both warp and weft directions and fastened to a frame (10, 110) comprising a peripheral portion (11, 111), which is integral with an inner grillwork (12) and which divides the inner area of the peripheral portion (11, 111) into fields (15, 115).
Marco Braschi, Roberto Negrini
Filed: 24 Nov 20
Utility
Water treatment of sodic, high salinity, or high sodium waters for agricultural application
23 May 23
A method of providing water suitable for irrigation use includes feeding pre-treated water to an electrodialysis apparatus, treating the pre-treated water in the electrodialysis apparatus by selectively removing either one or both of monovalent anionic and monovalent cationic species from the pre-treated water while retaining either one or both of multivalent anionic and multivalent cationic species to produce a treated water stream having a lower ratio of monovalent ions to multivalent ions than the pre-treated water, and directing the treated water into an irrigation water distribution system.
Gary C. Ganzi, Frederick C. Wilkins, Li-Shiang Liang, Paul T. Rice
Filed: 8 May 18
Utility
Reverse osmosis water system with heat forward function
9 May 23
A reverse osmosis (RO) system is described that is connectable to a dialysis machine and is capable of using heated purified water to clean and disinfect an external connection section or portion disposed between the RO system and the dialysis unit (or any other external heat tolerant device) without forming a closed loop system between both systems before and during a heat forward process.
Clinton W. Hulme
Filed: 16 Oct 18
Utility
Ion exchange resin transportation and storage
11 Apr 23
Methods of stabilizing virgin ion exchange resin material are provided.
James Buckner, Gregory Bachman
Filed: 27 Apr 21
Utility
Continuous sonic wave analyzer
21 Mar 23
A gas analyzer uses continuous sonic signals through a conduit to determine the composition of a gas in the conduit.
Philip Tinsley Dempster
Filed: 1 Aug 19