227 patents
Page 4 of 12
Utility
Pfas Treatment Scheme Using Separation and Electrochemical Elimination
22 Dec 22
YANG CHEN, SIMON P. DUKES, ADRIAAN JEREMIASSE, WENXIN DU, SAVVAS E. HADJIKYRIACOU, THOMAS K. MALLMANN
Filed: 8 Jan 20
Utility
Blend for odor control
13 Dec 22
A method of providing sustained odor control in an extended sewer line is disclosed.
Timothy Frank Matheis, Eric Hansen, Narahari Narasiah Kramadhati
Filed: 15 Feb 19
Utility
Accelerated Settlement of Flocs after Electrocoagulation/electrochemical Process Using Ballasted Flocculation
8 Dec 22
A water treatment system comprises a source of water including one or more contaminants, an electrocoagulation cell including a housing defining a fluid flow conduit, an anode disposed within the fluid flow conduit, and a cathode disposed within the fluid flow conduit, the housing including an inlet fluidly connectable to the source of water and an outlet, a solids/liquid separation system having an inlet fluidly connectable to the outlet of the housing of the electrocoagulation cell, a solids-rich outlet, and a solids-lean outlet, and a ballast feed system configured to deliver a ballast to the solids/liquid separation system.
SIMON DUKES, HAO DANG, WENXIN DU
Filed: 6 Nov 20
Utility
Electrochemical Separation Systems and Methods
1 Dec 22
Systems and methods for treating water may involve a first electrochemical separation module that includes at least one ion exchange membrane having a first set of performance characteristics, and a second electrochemical separation module that includes at least one ion exchange membrane having a second set of performance characteristics that is different than the first set of performance characteristics.
George Y. Gu
Filed: 3 Jan 22
Utility
Fluid manifolds in electrodialysis devices
29 Nov 22
An electrochemical separation device includes a first electrode, a second electrode, a cell stack including alternating depleting compartments and concentrating compartments disposed between the first electrode and the second electrode, an inlet manifold configured to introduce a fluid to one of the depleting compartments or the concentrating compartments an outlet manifold, and one or more of a fluid flow director disposed within the inlet manifold and having a surface configured to alter a flow path of the fluid introduced into the inlet manifold and direct the fluid into the one of the depleting compartments or the concentrating compartments, and a second fluid flow director disposed within the outlet manifold and having a surface configured to alter a flow path of the fluid introduced into the outlet manifold via one of the depleting compartments or the concentrating compartments.
Joshua Griffis, Li-Shiang Liang, William Lane, Simon P. Dukes, Kris Wy Loon Lim
Filed: 20 Jun 18
Utility
Docking Station for Mobile Deionization Trailers and Related Methods
24 Nov 22
A docking station at a service site fluidly connectable to a mobile water treatment system having one or more deionization units comprises a fluid inlet configured to receive processed water from the mobile water treatment system and a fluid outlet configured to deliver the processed water to a point of use.
PETER M. KEIS, ROBERT BRUCE TEMPLE, TRAVIS L. GABLE
Filed: 28 Apr 20
Utility
Gamma irradiation of ion exchange resins to remove or trap halogenated impurities
22 Nov 22
A method of producing treated ion exchange resin material includes exposing an enclosed vessel containing ion exchange resin and a pre-treatment solution to high energy radiation.
Marty Wilkes
Filed: 2 Dec 20
Utility
Rotating Spray Device for Water Distribution on Media Bed of a Biofilter
17 Nov 22
A biofilter irrigation system comprises a cylindrical vessel having a central axis, a media bed positioned within the vessel, a spray head system positioned above the media bed, the spray head system comprising a central hub positioned at the central axis of the vessel, at least one arm extending distally from the central hub toward a wall of the vessel and configured to rotate about the central axis, and a plurality of nozzles connected to the at least one arm.
Michael Sumner Murphy, James Paul Harshman, Eric Carl Hansen
Filed: 1 Aug 22
Utility
Digester cover left-in-place ballast ring
15 Nov 22
A sludge digester including a vessel and floating cover.
Matthew P. Bronk, Douglas N. Muller, Thomas Mangione
Filed: 14 May 20
Utility
Non-metallic Seal Plate
10 Nov 22
Traveling water screens including a non-metallic seal plate mounted to a face of a carrier chain link proximate a side portion of a basket frame are disclosed.
Bruce Herman, Lawrence P. Terrell, JR., Robert B. Hediger
Filed: 10 May 22
Utility
Regulation of process stream composition for improved electrolyzer performance
8 Nov 22
An electrochlorination system includes an electrolyzer fluidically connectable between a source of feed fluid and a product fluid outlet, and a sub-system configured to one of increase a pH of the feed fluid, or increase a ratio of monovalent to divalent ions in the feed fluid, upstream of the electrolyzer.
Joshua Griffis, Simon P. Dukes, Ll-Shiang Liang, Darren Dale, Michael Shaw, Paul Beddoes, George Y. Gu
Filed: 27 Feb 19
Utility
Sequencing batch reactor systems and methods
18 Oct 22
Methods of treating wastewater with a sequencing batch reactor are disclosed.
Kenneth L. Norcross, Nicholas A. Barczewski, Patrick T. Kelly
Filed: 24 Apr 19
Utility
Dual-mode Pressurized Water Treatment Media Vessel
13 Oct 22
A pressurized media vessel system for water treatment is disclosed.
John Lombardo, Nick Dohmen, Karen Tarbert, Daniel Brooks, Alexis Adair
Filed: 13 Apr 21
Utility
Electrochemically Activated Persulfate for Advanced Oxidation Processes
29 Sep 22
Water treatment systems are disclosed.
YANG CHEN
Filed: 17 Jun 20
Utility
Wastewater cleaning system and process
27 Sep 22
Systems and method for treating wastewater including a vessel having an inlet and an outlet, a pump in fluid communication with the outlet of the vessel, the pump configured to pump wastewater out of the vessel, a separator in fluid communication with the pump, the separator configured to separate grit from the wastewater, the separator having a first outlet for discharging a grit stream and a second outlet for discharging a wastewater stream, a grit washing system in fluid communication with a source of washing fluid and the first outlet of the separator, the grit washing system configured to wash and dewater grit from the grit stream, the grit washing system having an outlet for discharging a wash wastewater stream, and a return conduit configured to recycle the wastewater stream discharged from the separator to one of the inlet of the vessel and an inlet to the pump.
Matthew Bronk, Argun Olcayto Erdogan, Nathan Antonneau
Filed: 10 Jul 18
Utility
Treatment of Azoles
22 Sep 22
Methods of treating CMP wastewater comprising azoles are disclosed.
FRANK L. SASSAMAN, ALAN KNAPP
Filed: 26 Aug 20
Utility
System and method of deionization of water
20 Sep 22
A method of treating water in a water treatment system after a replacement of an ion exchange bed includes introducing water to be treated into the ion exchange bed of the water treatment system to produce treated water, calculating a current exchange daily average flow rate of water through the water treatment system, calculating a cumulative daily average flow rate of water through the water treatment system, and determining an estimated number of days remaining to exhaustion of the ion exchange bed based on the current exchange daily average flow rate and the cumulative daily average flow rate.
Erich G. Hoefferle, Isabel Rozario, Stephen Mildner
Filed: 17 Mar 20
Utility
Combination of captivator and fixed film bioreactor solutions
20 Sep 22
A wastewater treatment system including a contact tank, a dissolved air flotation unit, a fixed film reactor, and a solids-liquid separation unit is disclosed.
Argun O. Erdogan, Michael L. Doyle, Deborah Hyke
Filed: 4 Jun 19
Utility
Sloped sunshade cover
13 Sep 22
A cover for a wastewater treatment unit is disclosed.
Brent M. Howe
Filed: 2 Oct 18
Utility
Continuous Wave Sonic Analyzer
25 Aug 22
A gas analyzer uses continuous sonic signals through a conduit to determine the composition of a gas in the conduit.
PHILLIP TINSLEY DEMPSTER
Filed: 31 Jul 20