100 patents
Page 4 of 5
Utility
Ion exchange resin transportation and storage
1 Jun 21
Methods of stabilizing virgin ion exchange resin material are provided.
James Buckner, Gregory Bachman
Filed: 12 Feb 19
Utility
Use of porous glass media for a biofilter to remove odorous compounds from an air stream
11 May 21
A system for removing undesirable compounds from contaminated air includes a biofilter having porous glass media.
Timothy Frank Matheis
Filed: 10 Jun 20
Utility
Method and system for providing ultrapure water with flexible lamp configuration
30 Mar 21
A method and system of providing ultrapure water for semiconductor fabrication operations is provided.
Christopher Hall, Bruce Lee Coulter
Filed: 4 May 16
Utility
Advanced oxidation process methods for degasification of reactor vessel
2 Mar 21
According to various aspects and embodiments, a system and method for treating groundwater contaminated with an organic contaminant is provided.
Adam Szczesniak, Jonathan H. Wood, Bruce L. Coulter, Christopher Hall
Filed: 6 May 16
Utility
Treatment using fixed film processes and ballasted settling
16 Feb 21
A system and method is provided for water and wastewater treatment.
Nathan Antonneau, Timothy Lindemann, Todd Schwingle, Michael Casey Whittier, Steven E. Woodard
Filed: 15 Mar 13
Utility
Disc filter pre-screen dual media disc filter
12 Jan 21
According to various aspects and embodiments, a system and method for two-stage filtration is provided.
Patrick Harden, Harry Bryant
Filed: 11 Aug 17
Utility
Gamma irradiation of ion exchange resins to remove or trap halogenated impurities
4 Jan 21
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: 13 Sep 16
Utility
Filtering panel and method of making the same
7 Dec 20
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: 4 Jun 15
Utility
Ion exchange resin transporation and storage
30 Nov 20
A method of stabilizing virgin ion exchange resin material is provided.
James Buckner, Gregory Bachman
Filed: 16 Aug 17
Utility
Phosphate recovery by acid retardation
23 Nov 20
A method of recovering phosphoric acid from process water includes directing a process water stream having a pH and a first concentration of phosphoric acid and at least one salt into a vessel, contacting the process water stream with a sorption agent in the vessel, the sorption agent adsorbing phosphoric acid from the process water, withdrawing a first effluent including a first concentration of the at least one salt and a second concentration of phosphoric acid from the vessel, and contacting the sorption agent including the phosphoric acid with water, at least a portion of the phosphoric acid desorbing from the ion exchange media into the water to form a second effluent having a third concentration of phosphoric acid.
Thomas Kenneth Mallmann, Justin W. Higgs, Kenneth Ray Workman
Filed: 5 Mar 15
Utility
Varying water level solids and tracking control
23 Nov 20
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: 31 Aug 16
Utility
Ballasted solids treatment system and method
9 Nov 20
Disclosed are apparatus and methods for treating wastewater.
Timothy Lindemann, Michael Casey Whittier
Filed: 6 Jun 17
Utility
Structures for normalizing multi-planar flow distribution within an electrochemical separation system
26 Oct 20
A module comprises a cell stack having a plurality of alternating ion depleting compartments and ion concentrating compartments, an inlet manifold configured to facilitate a flow of fluid into the cell stack, and a first flow distribution system, associated with the inlet manifold, including a first ramp to promote the circulation of the flow of fluid into the cell stack.
Joshua Griffis, Li-Shiang Liang
Filed: 21 Apr 16
Utility
Reduced volume electrochlorination cells and methods of manufacturing same
19 Oct 20
An electrochemical cell includes a cathode and an anode disposed in a housing.
Joshua W. Griffis, Li-Shiang Liang, Paul Beddoes, Andrew Green, Simon P. Dukes, Jacob Telepciak
Filed: 16 Feb 16
Utility
Biological contact and dissolved air flotation treatment of storm water
12 Oct 20
A wastewater treatment system includes a first sub-system having a biological treatment unit and a second sub-system having a dissolved air flotation unit.
Nathan Antonneau
Filed: 13 Jun 17
Utility
In-situ delivery systems for reaction product abatement in electrochemical cells
12 Oct 20
An electrochlorination system comprising an electrochemical cell including a housing having an inlet, an outlet, and an anode-cathode pair disposed within the housing, a source of a chloride-containing aqueous solution having an outlet fluidly connectable to the inlet of the electrochemical cell, and a source of an oxidizing agent fluidly connectable to the source of chloride-containing aqueous solution upstream of the electrochemical cell.
Joseph D. Gifford, Joshua Griffis, Simon P. Dukes, Li-Shiang Liang, Michael J. Shaw, Frederick C. Wilkins
Filed: 15 Sep 16
Utility
Use of porous glass media for a biofilter to remove odorous compounds from an air stream
3 Aug 20
A system for removing undesirable compounds from contaminated air includes a biofilter having porous glass media.
Timothy Frank Matheis
Filed: 18 Oct 18
Utility
Concentration of wastewater to reduce flow rate, cost, and footprint of treatment system
27 Jul 20
A system to remove contaminants from contaminated water contains a pre-concentrating subsystem, a contaminant removal subsystem or a biological subsystem configured to remove two or more contaminants, and a permeate blending subsystem.
Michael R. Riffe, Frank L. Sassaman, Michael W. Wismer
Filed: 7 Nov 18
Utility
Addition of alkaline materials to biotrickling filter or bio-filter make-up water
29 Jun 20
A system for removing undesirable compounds from contaminated air includes a biofilter having an alkaline material introduction system and a fuzzy-logic based controller.
James Vaughan Harshman
Filed: 3 Nov 15
Utility
Digester cover left-in-place ballast ring
15 Jun 20
A sludge digester including a vessel and floating cover.
Matthew P. Bronk, Douglas N. Muller, Thomas Mangione
Filed: 14 May 18