Water treatment

Hollow fiber membrane module, hollow fiber membrane module unit, and water treatment method

Multiple layered membrane with thin fluorine containing polymer layer

Flexible aeration panel and methods of use

Hybrid diffuser system headloss balancing

Process for treatment of organic contaminated water

Floating sequencing batch reactor and method for wastewater treatment

Wastewater treatment system for a marine vessel

Water treatment method and water treatment apparatus

Water treatment method and apparatus

Apparatus and method for treating FGD blowdown or similar liquids

Method and apparatus for solids processing

Membrane coupled activated sludge method and apparatus operating anoxic/anaerobic process alternately for removal of nitrogen and phosphorous

Method and a plant for waste water treatment

Method for nitrogen removal and treatment of digester reject water in wastewater using bioaugmentation

Clarification process and decomposition arrangement

SYSTEM FOR TREATING WASTEWATER AND A MEDIA USABLE THEREIN

NITROGEN RECOVERY SYSTEM AND METHOD USING HEATED AIR AS STRIPPING GAS

Efficient MBR operation in wastewater treatment

Water treatment method and water treatment system

Closed sulfur circulation system

Aeration vessel and aerator assembly for use in a wastewater treatment system

Vessel assembly for use in a wastewater treatment system

OXIDATION/REDUCTION-POTENTIAL (ORP) BASED WASTEWATER TREATMENT PROCESS AND RELATED SOFTWARE PROGRAM

Complete Water Management Process and System

Method and system for treating wastewater

Grease and scum removal in a filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials

Rotating perforated cylinder treatment system

Method for treating liquids

Method and product for the residential and commercial aquatic environment

System for treating wastewater

Nitrogen removing apparatus comprising nitrification carrier containing ammonia-oxidizing bacteria

Method of producing a nitrification carrier containing ammonia-oxidizing bacteria for removing nitrogen

Two-stage injector-mixer

Dual-train wastewater reclamation and treatment system

Waste water treatment method and waste water treatment apparatus

Wastewater treatment apparatus

Transfer apparatus and system, and uses thereof

Entrapping immobilization pellets, process for producing the same, and method for storing or transporting the same

Fuel cell cogeneration system

Filtration system

Water filtration system and its use

Water filtration using immersed membranes

Screening of inert solids from a low-yield wastewater treatment process

Filter device and method for filtering

Magnetic agitation system for water retention structure

Purified water reclamation process

System for treating wastewater

System for treating wastewater

System and method for introducing high pressure air into a wastewater treatment system

System and method for wastewater treatment

Process control for an immersed membrane system

Process and apparatus for increasing biological activity in waste treatment in bodies of water

Aerator and mixer

Water treatment device

Biodestruction of blended residual oxidants

Nitrification system and method

Methods and apparatus for treating animal manure

Phased activated sludge system

Composite material for a permeable reactive barrier

Microporous diffusion apparatus

Active biological contactor (ABC); a modular wastewater treatment system

RECREATIONAL WATER TREATMENT EMPLOYING SINGLET OXYGEN

Water treatment system, apparatus and method

Submerged attached growth bioreactor

Method and apparatus for utilization of recovered magnesium ammonium phosphate

Liquid disinfectant system for use with aerobic wastewater treatment plants

Aeration device and aeration system

Apparatus for recovering energy from turbulence created within an aerobic biological reactor

Method for purifying coke waste water using a gas-permeable membrane

Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes

Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes

Wastewater treatment system and method

Process reactor with layered packed bed

Cyclic aeration system for submerged membrane modules

DIRECTING FLUID FLOW IN REMEDIATION AND OTHER APPLICATIONS

Process to enhance phosphorus removal for activated sludge wastewater treatment systems

Wastewater treatment

Process and apparatus for microbial filtration and bacterial injection for one or more environmental contaminants

Method and system for treating oxidized contaminant-containing matrix

Nitrifying method of treating water containing ammonium-nitrogen

System And Method For Treating Wastewater Using Coir Filter

Method and installation for the biological treatment of water using activated sludge and comprising aeration regulation

Process for producing pellets entrapping and immobilizing microorganisms

Combination of compressor and permanent magnet motor for sewage aeration

Device for removing impurities from a liquid

High aspect ratio wastewater system

Method for improving flux in a membrane bioreactor

Bioreactor

Biological filtration module for use within a wastewater treatment system

Variously configurable rotating biological contactor and prefabricated components therefor

Filtering device

Device for stirring a liquid and for injecting a gas into this liquid, suitable for shallow basins

Mixer for use in wastewater treatment processes

Mixer and process controller for use in wastewater treatment processes

Method for the treatment of waste

Mixer for use with media in wastewater treatment

Aerobic wastewater treatment plant having 3-compartment vessel

Clarifier recycle system design for use in wastewater treatment system

Effluent treatment system

Portable apparatus for in-transport treatment of waste

Method for biologically purifying waste water

Combination trickling filter and overflow tank for secondary treatment of wastewater, and associated method of managing wastewater overflow

Catalytic bioconversion of petroleum-contaminated wastes/wastewaters using kenaf core powder

Apparatus and method for treating wastewater containing nitrogen-containing dyes

Treatment of wastewater containing phosphorous and nitrogen

Process for biological treatment of organic wastewater and apparatus therefor

Methods for biological treatment of waste waters

Device and related methods for purifying a liquid

System for treating wastewater containing organic compounds

Floating wetland structures for use in water remediation

Tidal vertical flow wastewater treatment system and method

Waste water treatment

Apparatus and method for performing tertiary treatment of sewage based on porous filtering media

Aerobic sewage system

Backwash system and method for waste water treatment system

Waste water treatment apparatus

Water treatment

Method for treating wastewater

Method for cleaning separation membrane

Method and system for utilizing activated sludge in a ballasted flocculation process to remove BOD and suspended solids

Energy-efficient biological treatment system with filtration membrane

Method for avoiding clogging of filtration membranes

Water treatment system for water animal feeding facility

Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials

Biodestruction of blended residual oxidants

Wastewater treatment device

Method and system for purifying water

Permeate spacer module

Compositions and methods of remediation devices with nanostructured sorbent

Waste treatment method

Fluid bed expansion and fluidisation

Denitrification reactor with a fixed culture

WASTEWATER TREATMENT SYSTEM AND METHOD

Methods and systems for treating wastewater

Method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the same

Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane

Controlled atmosphere gas infusion

Apparatus and method for treating wastewater using contact media

Supported biofilm process

Degradation treatment process and system for organics in organically-polluted water

Method and facility for treatment of sludge derive from biological water purification facilities

Liquid aeration system and method

Membrane cartridge, membrane separating device, and membrane separating method

Method for supplying oxygen to a water purification process

Method of sludge recycling

Multiple soil-layering system for wastewater purification

Method and apparatus for aeration of a fluid

Flow-through oxygenator

Constructed wetlands system, treatment apparatus and method

Water ozonation and bioremediation system and associated methods

Biotechnological process for neutralizing alkaline beverage industrial waste water

Method for treating a contaminated fluid, system for treating a contaminated fluid, and method for making a biomass carrier suitable for treating a contaminated fluid

Method and plant for biological treatment of aqueous effluents for purification thereof

Apparatus for and a method of treating organic waste

Method for water purification

Biological membrane filtration system for water treatment and a water treatment process

System for treating wastewater and a controlled reaction-volume module usable therein

Methods and apparatus for the removal of organic matter and related degradation products from water

Treatment of waste activated sludge

Integrated hydroponic and wetland wastewater treatment systems and associated methods

Bioreactor system for multi-stage biological wastewater treatment

Method for producing a useful compound and treating a wastewater using pure oxygen

Method of and apparatus for converting biological materials into energy resources

Process and device for biological treatment of a suspension in a bioreactor

Method for the biological breakdown of effluent containing nitroaromatics

System and method for biological purification of water

Method of treating wastewater

Wastewater treatment control

Carbon filtration process and apparatus for removing PCB's and other compounds from wastewater

Multiple barrier biological treatment process

Apparatus and method for the treatment of waste

Aeration system for liquid

Method of sludge recycling

Apparatus/method for treating fluid

Biofilm wastewater treatment devices

System and method for processing organic waste material

Method and equipment for treating microcystin-containing water

Mobile or stationary modular self-contained dehydration toilet, dehydration engine, and gray water recovery system

Water filtration using immersed membranes

Membrane filtration device and process

Waste treatment systems

Method for reducing sludge of a biological ozone treatment system

Energy-efficient biological treatment with membrane filtration

Batch-continuous process and reactor

Nitrate removal in a purge stream using constructed wetlands

Process for the removal of metals by biosorption from mining or industrial effluents

Aerobic bacterial generator for pond and fish culture facility water quality management

Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment systems

Chemical cleaning backwash for normally immersed membranes

Method and apparatus for treating organic liquid waste

Tertiary filter septic system and method

Air diffusing device

Method for oxygenating wastewater

System for treating liquids

Membrane bioreactor, process and aerator

Aquarium-cleaning device utilizing formed charcoal

Bioreactor system for biological degradation of oily sludge

Phased activated sludge system

Membrane bioreactor

System and method of treating waste water

Septic tank

Membrane bioreactor waste water treatment method

Aerobic digester for bodily waste material

Supported biofilm apparatus

Cyclic aeration system for submerged membrane modules

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

Method for the treatment of waste water with sludge granules

Devices for water treatment

Start-up method for filtering membranes to remove glycerin

Water treatment system, apparatus and method

Method of sludge recycling

Apparatus for supplying gas to a liquid

Membrane supported biofilm process for autotrophic reduction

Removal system for membranes in a membrane filtration system

Vessel with oxygenation system and decontamination method

Process and apparatus for treating biosolids from wastewater treatment

Capillary permeation driven pottery pipe trench waste water treatment system

Screening apparatus for water treatment with membranes

Cyclic aeration system for submerged membrane modules

Method for reducing production of wastewater treatment station sludge with fixed biological cultures

Apparatus and methods for control of waste treatment processes

Apparatus and methods for control of waste treatment processes

Apparatus and method for wastewater treatment

Waste stream digestion method

System and method for dissolving gases in liquids

Apparatus and methods for control of waste treatment processes

Apparatus and methods for control of waste treatment processes

Nitrogen removal system and method for wastewater treatment lagoons

System and method for decontamination of contaminated soil in the vadose zone and/or groundwater

Oxygenating nozzle

Wastewater treatment system

Disinfectant system for use with residential aerobic wastewater treatment plants

Methods for total nitrogen removal from waste streams

Biological film support module for wastewater treatment system

Method for forming microcultures within porous media

Combined tidal vertical flow and horizontal flow wastewater treatment system and method

Low aspect ratio wastewater system

Water treatment apparatus

Diffused gas aeration apparatus

Advanced automated control and feedback process for wastewater treatment

Enzyme-assisted clarification and dewatering of wastewater

Sewage treatment process by activated-sludge method comprising line atomizing treatment

Aerobic wastewater treatment system

Variously configurable rotating biological contactor and prefabricated components therefor

Methods and apparatus for biological treatment of aqueous waste

Method for treating an effluent in three biological steps

Reduction in biological oxygen demand levels in waste water effluents

Packaged wastewater treatment unit

Biological wastewater purification device

Aeration of wastewater ponds using airlift pumps

Process for treating a body of water

Orbital wastewater treatment system with combined surface aerator and submerged impeller

Process for the production of highly organized crystals by means of Sol-Gel methods

Wastewater treatment

Apparatus and method for aeration of wastewater

Compact Sewage Secondary Treatment System

Periphyton filtration pre- and post-treatment system and method

Parts washing system

Method, process, apparatus, and product for remediation of hydrocarbon contamination

Method and apparatus providing improved throughput and operating life of submerged membranes

Integrated tidal wastewater treatment system and method

Mixed bed trickling reactor using microbeads

Effluent treatment combining solid/liquid separation and pulsed electric fields

Apparatus for in-situ microbial seeding

Soil conditioning products from organic waste

System and method for cleaning contaminated matter comprising dioxins and preparation for decomposing dioxins

Gas processing device and combustion efficiency improving device for engines

Compact surface mounted on-site wastewater treatment unit

Dual porosity filter

Method of reducing volume of sludge

Zero excess sludge membrane bioreactor

Semi-submersible floating decanters and methods of using same

Liquid level sensor with odor reduction for waste holding tanks

Wastewater treatment station in shipping container

Maintenance cleaning for membranes

Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes

Apparatus and method for controlling biomass growth in suspended carrier bioreactor

Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes

Method of treating water for fine suspended solids using confined exposure to a living colony of hydrocotyle ranunculoides

Method and apparatus for determining weight and biomass composition of a trickling filter

Apparatus for determining weight and biomass composition of a trickling filter

Fixed-film anaerobic digestion of flushed waste

Stirring and aerating device for activated sludges

Mixing, aeration or oxygenating apparatus

Aerobic wastewater management system, apparatus, and method

Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes

Method for biological treatment of water by adding macromolecular carbohydrates

Water circulation systems for ponds, lakes, and other bodies of water

Biologically active reactor system and method for treating wastewater

Method for improving phytoremediation treatment of a contaminated medium

Aerator

Process and apparatus for waste water treatment

Trickling alter tank with top side load cell assembly

Water circulation systems for ponds, lakes, and other bodies of water

Nitrogen recovery system and method using heated air as stripping gas

Process for reducing sludge derived from the treatment of wastewater by oxygenation and mechanical action

Self-cleansing media for rotating biological contactors

Wastewater treatment control

Method of purifying Fischer-Tropsch derived water