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Evoqua Water Technologies Llc patents


Recent patent applications related to Evoqua Water Technologies Llc. Evoqua Water Technologies Llc is listed as an Agent/Assignee. Note: Evoqua Water Technologies Llc may have other listings under different names/spellings. We're not affiliated with Evoqua Water Technologies Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Evoqua Water Technologies Llc-related inventors


Filtering panel and method of making the same

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). The frame (10, 110) comprises a plastic material reinforced with glass fibers or carbon fibres such as polypropylene loaded with fibreglass in an amount of at least 20 weight percent. ... Evoqua Water Technologies Llc

Advanced oxidation process methods for degasification of reactor vessel

According to various aspects and embodiments, a system and method for treating groundwater contaminated with an organic contaminant is provided. According to some embodiments, the contaminated groundwater is treated by introducing a persulfate to produce a first treated aqueous solution, exposing the first treated aqueous solution to ultraviolet light to produce a second treated aqueous solution and one or more gases, and removing the one or more gases generated from exposing the first treated aqueous solution to the ultraviolet light.. ... Evoqua Water Technologies Llc

Reduced volume electrochlorination cells and methods of manufacturing same

An electrochemical cell includes a cathode and an anode disposed in a housing. Each of the cathode and anode portions extending radially outward from a region proximate a central axis of the housing. ... Evoqua Water Technologies Llc

High-performance anion exchange membranes and methods of making same

Anion exchange membranes may include a polymeric microporous substrate and a cross-linked anion exchange polymeric layer on the substrate. Anion exchange membranes may have a resistivity of less than about 1.5 ohm-cm2 and an apparent permselectivity of at least about 95%. ... Evoqua Water Technologies Llc

Ion exchange resin transporation and storage

A method of stabilizing virgin ion exchange resin material is provided. The method includes rinsing virgin ion exchange resin material with deoxygenated water, introducing the rinsed virgin ion exchange resin material into a gas impermeable vessel and hermetically sealing the vessel. ... Evoqua Water Technologies Llc

Reduced volume electrochlorination cells and methods of manufacturing same

An electrochemical cell includes a housing having an inlet, an outlet, and a central axis and an anode-cathode pair disposed concentrically within the housing about the central axis and defining an active area between an anode and a cathode of the anode-cathode pair. An active surface area of at least one of the anode and the cathode has a surface area greater than a surface area of an internal surface of the housing. ... Evoqua Water Technologies Llc

Rotating spray device for water distribution on media bed of a biofilter

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. The biofilter irrigation system further comprises a fluid outlet positioned below the media bed.. ... Evoqua Water Technologies Llc

Wastewater treatment system

A system and method for treating wastewater includes two or more biological reaction zones separated by chamber walls. The system and method for treating wastewater includes static recycle of a mixed liquor from a second biological reaction zone to a first biological reaction zone.. ... Evoqua Water Technologies Llc

Chromatography media and ion exchange resin performance restoration

An ion exchange resin rejuvenation system includes a vessel, a source of a first cleaning solution including an enzyme fluidly connected to the vessel, a source of a second cleaning solution fluidly connected to the vessel, a source of rinse solution connected to the vessel, and a source of a resin regeneration solution fluidly connected to the vessel.. . ... Evoqua Water Technologies Llc

Method and system for water treatment

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 brackish water and methods of operation of same.. . ... Evoqua Water Technologies Llc

Method and system for water treatment

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 brackish or saline water and methods of operation of same.. . ... Evoqua Water Technologies Llc

Methods of providing inlets and outlets to cell pairs in wound ed devices

Electrochemical treatment devices for treating water and methods of assembling the devices are provided. Disclosed masking and potting techniques allow separate feeds to be delivered to and/or collected from the depleting compartments and concentrating compartments.. ... Evoqua Water Technologies Llc

Electrode with two layer coating, method of use, and preparation thereof

Systems and methods for manufacturing and use of a two layer coated electrode are provided. The two layer coated electrode may comprise a substrate, a first coating layer, and a second coating layer. ... Evoqua Water Technologies Llc

Side stream treatment for overflow

A system and method of treating wastewater. In one embodiment, the system comprises a biological reactor fluidly connected to a source of wastewater and having a treated wastewater outlet, a fixed film biological reactor connected to the source of wastewater and having a fixed film effluent outlet, and a ballasted system fluidly connected to the fixed film effluent outlet. ... Evoqua Water Technologies Llc

08/24/17 / #20170240439

Ion exchange membranes and methods of making the same

Ion exchange membranes may comprise a polymeric microporous substrate and a cross-linked ion transferring polymeric layer on the substrate. The cross-linked ion transferring polymeric layer may comprise a polymerization product of at least a functional monomer and a low value r2/rs monomer. ... Evoqua Water Technologies Llc

07/13/17 / #20170199155

System for measuring the concentration of magnetic ballast in a slurry

A system and method for measuring the concentration of magnetic ballast in a slurry to be analyzed is provided. A detection conduit is provided and configured to receive a slurry to be analyzed. ... Evoqua Water Technologies Llc

06/01/17 / #20170151533

Manifold arrangement

Provided is an improved filtration module assembly comprising a vessel having a filtration cartridge disposed within it and a header coupled to an end of the vessel, the header including a housing having an open-ended upper end and a lower end, and an end cap including a portion that mates with a complimentary structure defined by the inner all of the open ended upper end of the housing to removable engage with the housing and the end cap may further define a passageway for fluid to flow out of the vessel. The filtration module assembly may enable an improved manifold arrangement used to communicate fluids to and from a filtration system comprising a plurality of such modules and the configurations of the present invention may facilitate improved operation of such filtration systems.. ... Evoqua Water Technologies Llc

05/11/17 / #20170129792

Selenium removal using aluminum salt at conditioning and reaction stages to activate zero-valent iron (zvi) in pironox process

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. A method for reducing a concentration of one or more contaminants in contaminated water including contacting zero valent iron media with a conditioning additive, contacting contaminated water with conditioned zero valent iron media, and introducing a reaction additive is also disclosed. ... Evoqua Water Technologies Llc

05/04/17 / #20170120190

Biofilter with fuzzy logic control

A system for removing undesirable compounds from contaminated air includes a biofilter having a fuzzy logic based controller. A contaminant, such as hydrogen sulfide, is removed from contaminated air by passing the contaminated air through the biofilter.. ... Evoqua Water Technologies Llc

04/27/17 / #20170113188

Membrane cleaning with pulsed airlift pump

A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.. ... Evoqua Water Technologies Llc

03/23/17 / #20170081227

Concentrating of wastewater to reduce flow rate, cost, and footprint of treatment system

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. A process for removing contaminants from contaminated water includes concentrating contaminated water, treating concentrated contaminated water, and combining product water to produce environmentally acceptable product water.. ... Evoqua Water Technologies Llc

02/23/17 / #20170050866

Low energy system and method of desalinating seawater

A low energy water treatment system and method is provided. The system has at least one electrodialysis device that produces partially treated water and a brine byproduct, a softener, and at least one electrodeionization device. ... Evoqua Water Technologies Llc

02/16/17 / #20170043284

High flow disc filter

A filter device is configured to filter a liquid. The filter device includes a drum sized to receive the liquid and a plurality of filter panels coupled to the drum to define a plurality of discs. ... Evoqua Water Technologies Llc

01/19/17 / #20170015571

Synergistic wastewater odor control composition, systems, and related methods therefor

Some aspects of the invention can involve compositions, systems, and related techniques that control or reduce objectionable odor characteristics of a body or a stream of wastewater. The compositions, systems, and related techniques can comprise one or more compounds that adjust metabolic activity of at least a portion of microorganisms in wastewater to inhibit or disfavor the formation of at least one objectionable odorous compound or species and one or more compounds that modify, shift, or promote one or more states or characteristics of one or more objectionable odorous species in wastewater. ... Evoqua Water Technologies Llc

01/19/17 / #20170015568

Phosphate recovery by acid retardation

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.. . ... Evoqua Water Technologies Llc








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