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AQUA Evoqua Water Technologies

GRANT
Utility
Off-line electronic documentation solutions
11 Jan 22
A portable electronic device comprises a camera, a display screen, and a processor configured to identify a piece of equipment from one of an image of the piece of equipment or of a fiducial marker associated with the piece of equipment captured by the camera, display a header page associated with the piece of equipment on the display screen responsive to identifying the piece of equipment, the header page including options for accessing different types of documentation associated with the piece of equipment, receive an indication from a user of a type of documentation to access, and responsive to receiving the indication of the type of documentation to access, retrieve the documentation from a local memory of the portable electronic device, and display the documentation on the display screen.
Hillary Phillip Whigham, Patrick Harden
Filed: 26 Nov 18
GRANT
Utility
Selenium removal using aluminum salt at conditioning and reaction stages to activate zero-valent iron (ZVI) in pironox process
28 Dec 21
A system containing a reactor vessel including zero valent iron media, a source of a conditioning additive, a source of a reaction additive, and a process control subsystem is disclosed.
Yongheng Huang, Michael Wismer, Lew Andrew Reyes, Xiangyi Qiao, Simon Dukes, Frank Sassaman, David Berger
Filed: 31 Jul 19
GRANT
Utility
Method for the treatment of wastewater
14 Dec 21
A system and method for backwashing a sand filter in a wastewater treatment system.
Gerard Willem Smiddy, Frank Leslie Smiddy
Filed: 12 Mar 19
GRANT
Utility
Method for the treatment of wastewater
7 Dec 21
A system and method for backwashing a sand filter in a wastewater treatment system.
Gerard Willem Smiddy, Frank Leslie Smiddy
Filed: 24 Dec 18
GRANT
Utility
Advanced oxidation process for ex-situ groundwater remediation
2 Nov 21
Methods of treating contaminated groundwater having recalcitrant organic contaminants are disclosed.
Jonathan H Wood, Sevang Doung
Filed: 15 Mar 19
GRANT
Utility
Ballast water management system
19 Oct 21
Techniques and systems for neutralizing discharge waters from ballast and/or cooling water biocidal treatment and disinfection systems are provided.
Lars Nupnau
Filed: 30 Nov 17
GRANT
Utility
Composite loop chain
28 Sep 21
A settling basin of a wastewater treatment system includes a collector chain including chain links having a plurality of side bars, stepped connecting pins configured to join the plurality of side bars and including a first end including a head portion having a cross-sectional area larger than portions of the plurality of side bars through which the stepped connecting pin extends, end caps configured to receive second ends of the stepped connecting pins, and apertures defined in the end caps and second ends of the stepped connecting pins configured to receive a retaining element that holds the end caps in position on the second ends of the stepped connecting pins.
Donald W. Hindman, Krishna Kamath
Filed: 13 Mar 18
GRANT
Utility
Ballast water treatment and neutralization
31 Aug 21
Techniques and systems for neutralizing discharge waters from ballast and/or cooling water biocidal treatment and disinfection systems are provided.
Vadim Zolotarsky
Filed: 25 Sep 17
GRANT
Utility
Method and system for treating ultrapure water
27 Jul 21
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: 15 Sep 17
GRANT
Utility
Method and apparatus to monitor and control a water system
6 Jul 21
A system for providing treated water includes a water treatment unit including an inlet water quality probe, a worker bed, a probe to measure a parameter of water from the worker bed, a polisher bed connected downstream from the worker bed and having a probe to measure a parameter of water from the polisher bed, and a flow meter upstream of the worker bed or downstream of the polisher bed.
Scott Branum, Erich Hoefferle
Filed: 9 Jan 19
GRANT
Utility
Wastewater treatment system and method
6 Jul 21
Systems and methods for treating wastewater including a contact tank configured to mix influent wastewater with activated sludge to form a mixed liquor, a dissolved air flotation unit having an inlet and an outlet, the inlet of the dissolved air flotation unit in fluid communication with an outlet of the contact tank, and a membrane bioreactor including a biological treatment vessel having an inlet in fluid communication with the outlet of the dissolved air flotation unit and an activated sludge outlet in fluid communication with an inlet of the contact tank.
Orest Zacerkowny, Argun O. Erdogan
Filed: 6 Apr 18
GRANT
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
GRANT
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
GRANT
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
GRANT
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
GRANT
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
GRANT
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
GRANT
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
GRANT
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
GRANT
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
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