Wastewater overflow systems and methods

Lagoon biological treatment method and system

Air diffusion device

Method of reducing residual recalcitrant organic pollutants

Subsurface sewage disposal system

Water treatment devices

Method and apparatus for the treatment of water with a gas or nutrient infused liquid

Method and apparatus for monitoring and controlling ozonation and aerated filtration using UV and visible spectral measurement and oxidation reduction potential

Process for reducing the production of sludge by municipal or industrial wastewater purification plants, and equipment for the implementation thereof

Membrane filter cleaning apparatus for waste-water treatment process

Reduction of hydrogen sulfide and/or malodor gassing from water via the addition of peroxyacetic acid/hydrogen peroxide product

Process for treating organic materials

Water treatment processes using biocatalysts

Aeration nozzle, and blockage removal method for said aeration nozzle

Septic system for a grease trap reservoir, including an aeration subsystem to compress grease and/or waste fluid and to inject air, and an optional fluid recirculation system with a control station

Microbial flora activator and its use in treating wastewater containing oil and fat

Recycling activated sludge by hydrodynamic seperator (HDS) to enable high MLSS bioreactor to process high influent flow and/or high strength wastewater

Assembly bracket and mounting system for aeration element

Apparatus for biological sewage treatment

Membrane supported biofilm apparatus

Wastewater treatment system

Aeration device, a use thereof, and water purification installation with such an aeration device

System for purifying polluted water and purification method

Biofiltration with enhanced sludge handling

Membrane system and method for treating sewage and wastewater capable of automated removal/destruction of scum/foam with high energy efficiency, high flux and low operation costs and haying process conversion method from constant level continuous batch reactor process

Method of treating water using petroleum coke and a pH-lowering agent

System and method for waste treatment

Reduction of substances in contaminated fluids using a naturally occurring biological growth media

Air-powered water circulation systems for ponds, lakes, municipal water tanks, and other bodies of water

Apparatus and method for water treatment via vertical water movement through a funnel

Electrodes for use in bacterial fuel cells and bacterial electrolysis cells and bacterial fuel cells and bacterial electrolysis cells employing such electrodes

Upflow continuous backwash filter

Anaerobic suspended growth treatment of contaminated water

Accumulated residue removal from carriers used in a water treatment system

Bioremediation of perchlorate-contaminated media

Method for treating wastewater containing tetramethylammonium hydroxide and ammonium nitrogen

High-capacity biological contact rotor

Modular bioelectrochemical systems and methods

Horizontal agitator

Wastewater treatment apparatus capable of performing both initial rainwater overflow treatment and primary treatment, and wastewater treatment method according to said apparatus

Activated sludge treatment method, and method for upgrading existing waste water treatment equipment using said method

Systems and methods for automated control of mixing aeration in treatment processes

Treatment of iron contaminated liquids with an activated iron solids (AIS) process

Bioreactor and the waste water treatment method

Fixed bed for aerobic or anaerobic wastewater purification

Bioreactor

Pressurized gas lifting and gas rejuvenation

Integrated water treatment system

Surface-treated calcium carbonate for binding and bioremediating hydrocarbon-containing compositions

Wastewater treatment plant online monitoring and control

Activated sludge treatment method, and method for upgrading existing waste water treatment equipment using said method

Hang on glass upflow algae scrubber embodiments

Operating method for membrane separation device and membrane separation device

Modular wastewater treatment plant

Transverse-mounted membrane filtration apparatus

Combined bioreactor for the treatment of waste water, by means of anaerobic, aerobic and anoxic processes of degradation of organic matter with zone separator system and collection of biogases, scum and sludge

Deicing system for aerator

Bio-filter for waste water digestion

Hydro-kinetic reactor tank

Processes and apparatuses for removal of carbon, phosphorus and nitrogen

Method for treating sewage sludge and wastewater treatment plant

Wastewater treatment apparatus, wastewater treatment method, wastewater treatment system, control device, and control method

Wastewater treatment apparatus, wastewater treatment method, wastewater treatment system, control device, and control method

Device for purifying liquid wastewater, and method for cleaning liquid wastewater using said device

Method for resourceful utilization of desorption liquid generated in the resin ion exchange process

Process for producing and supplying a coolant to a filtration sub-system, including reconditioning and recombining a return flow of used coolant

Shaped article made of porous hydrogel, manufacturing process therefor and use thereof

Water denitrification

Process to anaerobic digestion of wastewater with high concentration of ammonia nitrogen or protein, in upflow anaerobic digester and sludge blanket, with immobilization of microorganisms and inhibition by ammonium controlled using zeolite-clinoptilolite, and optional production of biofertilizer

Non-transitory computer writeable medium incorporating a processor control associated with a system for producing and supplying a coolant to at least one filtration sub-system, as well as reconditioning and recombining a return flow of used coolant

Purification apparatus, system, and method

Treatment of storm water

Organics and nutrient recovery from anaerobic digester residues

Mixing apparatus

System and process for removing ammonium, soluble BOD and suspended solids from a wastewater stream

Systems and methods for achieving partial nitrification in a biological nitrogen removal reactor

System for biological treatment of water and wastewater

Process to maintain large clean recreational bodies of water

Mobile station for diagnosing and modeling site specific effluent treatment facility requirements

Facility for removal of materials and/or polluting substances contained in watercourses

Using continuous nitrate measurement to control aeration in an aerated-anoxic process

Apparatus and method for enhanced wastewater treatment

Wastewater treatment device

Method for accelerated testing of a membrane module

Method for cleaning membranes and an inlet side of a membrane filtration module of an apparatus having a bioreactor and membrane filtration module for treatment of an incoming fluid

Method and apparatus for treatment of water-borne contaminants

Wastewater treatment device

Method and installation for treating wastewater containing ammonia

System for decomposition of organic compounds and method of operation

Wastewater treatment method and equipment using a dual-diffusion oxygen supply horizontal-flow biofilm

Decanted bio-balanced reactor and method

Aeration element for the gasification of liquids

Wastewater treatment system

Gasification waste water treatment using air separation unit oxygen

Simultaneous anoxic biological phosphorus and nitrogen removal

Method and apparatus for maximizing nitrogen removal from wastewater

Fresh water generation system

Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods

Reactor for sewage treatment

Determining biofilm thickness in a membrane supported biofilm reactor

Membranes for wastewater-generated energy and gas

Horizontal flow biofilter system and method of use thereof

Vortex diodes as effluent treatment devices

Wastewater treatment process and system

Method and apparatus for the bio-remediation of aqueous waste compositions

Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle

Accelerated processing

Method and facility for treating wastewater containing hydrocarbons, in particular aromatic compounds

Seawater desalination method

Wastewater treatment process including irradiation of primary solids

Wastewater treatment system including irradiation of primary solids

Biological-chemical treatment of liquid organic wastewater

Use of primary sludge for carbon source in an aerated-anoxic bioreactor system

Pre-treatment of sludge

Simultaneous anoxic biological phosphorus and nitrogen removal with energy recovery

Fresh water generation method

Upper-layer cleaning device for water treatment device, and method for cleaning water treatment device filter layer

Mixing systems and methods of mixing

Membrane cleaning with pulsed airlift pump

Apparatus for water, wastewater, and waste treatment

Produced water treatment to remove organic compounds

Method and apparatus for residential water recycling

Floating treatment bed for plants

Desalination system and desalination method

Microorganism comprising particles and uses of same

System and method for purifying rainfall runoff

Method and apparatus for wastewater treatment using gravimetric selection

Device and method for sewage treatment using variable magnetic field

Device and method for sewage treatment using constant magnetic field

Optimized process and aeration performance with an advanced control algorithm

Method and system for treating waste material

Method and apparatus for wastewater treatment using screens

Anaerobic treatment of industrial wastewater

Method and system for filtration and filtration cake layer formation

Integrated system for treating and recycling rainwater

Hybrid artificial wetland water purification system, sewage treatment device using same, and natural nonpoint purification device capable of simultaneously purifying river and lake water

Method for reducing water usage in a cellulosic conversion process

Gas distribution assembly

Mobile buoyant aerator

Microorganisms-immobilized felt-based resin for the treatment of phenolic effluents and a preparation method thereof

Coupling bioreactor and method for purifying malodorous gases and wastewater

Membrane bioreactor system using reciprocating membrane

Method of manufacturing compositions for removing halogenated hydrocarbons from contaminated environments

Method and apparatus for maximizing nitrogen removal from wastewater

Systems and methods for treating produced water

Biological waste water purification reactor and method

Membrane cleaning with pulsed airlift pump

Method and apparatus for water treatment using screens

Water treatment system for egg processing facility

Centrifugal self-priming mixed and inverted-umbrella shaped aerator

Methods for improving liquid quality in a reservoir

System and method for aeration

Aerator device, filter system including an aerator device, and method of aerating a filter using an aerator device

“In-situ” ballast water treatment method and system

High efficiency wastewater treatment system

Sewage treatment system having a trickling filter with wash unit

Standpipe arrangement and fastening for holding and for supplying gas to aerators in a waste water clarifying basin

Method and apparatus for nitrogen removal in wastewater treatment

Urea-based system for energy and waste recovery in water recycling

Method and system for filtration and filtration cake layer formation

Anoxic membrane filtration system and water treatment method

Method and system for wastewater treatment based on dissolved oxygen control by fuzzy neural network

Silica encapsulated biomaterials

Method and apparatus for biologically treating coking-plant wastewater

Systems and methods for waste treatment

Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods

Systems and methods for treating grey water on-board passenger transport vehicles

Dissolved air flotation-type pretreatment apparatus

Ballasted sequencing batch reactor system and method for treating wastewater

Method and system for treating wastewater

Biocatalyst compositions and processes for their use

Method of removing recalcitrant organic pollutants

Apparatus for mechanically treating a liquid composition and method for mechanically treating such a liquid composition

Water circulating device installed in a park or lake

Chemical free and energy efficient desalination system

Method for treating process water from a plant for the hydrothermal carbonisation of renewable raw materials and organic residues

Membrane separation device

Bio-electrochemical system for treating wastewater

Process for the treatment of biological materials and wastewater

Anaerobic reactor for wastewater treatment

Process, apparatus and membrane bioreactor for wastewater treatment

Dissolved air flotation and equalization reactor wastewater treatment tank

Method for treating highly concentrated resin-desorption liquid generated from wastewater deep purification

System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system

Methods and apparatus for aeration of liquid medium and liquid medium treatment system

Treatment of municipal wastewater with anaerobic digestion

Gas injection method and apparatus

System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system

Water purification device

Floating treatment streambed

Wastewater treatment system

Hollow fiber membrane module with miniskeins in miniheaders having a zig-zag configuration

Method for sludge ozonation in a wastewater treatment system

Wastewater treatment apparatus to achieve class B biosolids using chlorine dioxide

Portable biofilter and degasser

Digestion of biosolids in wastewater

Leach field system

Fixing member and membrane module unit

Fluid treatment system

Modules for use in and operation of a membrane biofilm reactor with reduced biofouling

Wastewater treatment system and methods

Device for gassing liquids

Bubble generation for aeration and other purposes

Leach field system

Method for the treatment of industrial waste

Membrane filter system

Filtration device having internal recirculation

Polyhydroxyalkanoate production during wastewater treatment

Systems and methods for maximizing dissolved gas concentration of a single species of gas from a mixture of multiple gases

Compositions of matter and uses thereof in the treatment of waste materials

Systems and methods for wastewater treatment

Reciprocal enhancement of reverse osmosis and forward osmosis

Treatment of waste product

System for the metabolization of organic substances and method for the metabolization of organic substances

System and method for wastewater treatment

Method for treating water within a sequential biological reactor including an in-line measurement of the nitrite concentration inside said reactor

Water producing system and operation method therefor

Packed bed bioreactor for biofouling control of reverse osmosis and nanofiltration membranes

Method for treating contaminated water

Wastewater treatment system to reduce sludge generation

Systems and devices for treating water, wastewater and other biodegradable matter

Method and reactor for biological purification of waste water

Electrolysis method, and method and plant for the pretreatment of raw water

Wastewater re-use systems

Membrane module unit and assembly method, disassembly method, and maintenance method for same, and water-treatment apparatus

Submerged membrane bioreactor system and biological methods for removing bisphenol compounds from municipal wastewater

Gravity feed water treatment system

System for the reduction of water contamination

Aerobic treatment/clarifier system for use in an aerobic wastewater treatment system

Process for treating wastewater

Apparatus and process for wastewater treatment and biological nutrient removal in activated sludge systems

Method for treating and/or pretreating liquid manure or biogas plant reject for the elimination of harmful substances, particularly nitrogen, phosphorus, and odor molecules

Methods of attaching a molecule-of-interest to a microtube

Denitrification process

Real-time process control for an immersed membrane filtration system using a control hierarchy of discrete-state parameter changes

Method of attaching a cell-of-interest to a microtube

Use of electrospun microtubes for drug delivery

Production of volatile fatty acids by means of mesophilic fermentation of sludge

Membrane module and membrane bioreactor, water treatment equipment using the same

Systems and methods for treating oil, fat and grease in collection systems

Leach field form and method of use

Digester for degradation of human waste

Methods of treatment of ground water

Apparatus for treating wastewater

System and method for detecting time-bomb malware

Universal bridge and wall mounted aeration apparatus

Universal bridge and wall mounted aeration apparatus