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7488413 |
Waste water treatment plant and method
A waste water treatment plant includes a treatment chamber or reactor ( 26 ) containing a plurality of buoyant sludge carriers ( 38 ). In the base of the treatment chamber ( 26 ) is a biofilm...
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7485232 |
Water treatment method and water treatment apparatus
In a water treatment apparatus, microorganisms propagating on wood charcoal are activated by micro-nano bubbles contained in treatment water. Water treatment is carried out with the activated...
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7481935 |
Waste water treatment process
The present invention describes improved methods and systems for treating waste water and solid waste, which may include the addition of catholyte and anolyte. The methods and systems of the...
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7479224 |
Purification plant to biologically purify waste water
A method of biologically purifying waste water, said method including the following steps in the following sequence a) an aeration step for stripping off H 2 S and other gases and for removing...
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7465394 |
Wastewater treatment system
Disclosed is a system for treating wastewater. The system includes a microorganism clad structure positioned in a body of wastewater such that the microorganism clad structure is at least partially...
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7459083 |
Method for controlling fouling of a membrane filter
A membrane bioreactor system includes one or more biological reactors and one or more membrane tanks with each membrane tank having one or more membrane filters. To control membrane fouling,...
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7455776 |
Method for mixing high viscous liquids with gas
A system and method for mixing high viscous liquids with gas is provided. The disclosed embodiments include a reactor or mixing vessel having a draft tube disposed therein, a gas injection...
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7445714 |
Biological processing of animal waste
There is a biological composition and method of use. Included is a microorganism quantity, and a nutrient quantity which may have a supplement, a short-term nutrient and a long term nutrient. The...
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7425269 |
Method to increase lateral oxygen transfer in waste water
An improved apparatus and method which eliminates rotating impellers and air plates. And, as a result, less horse power per unit can be used to achieve smaller entrained air bubbles resulting in...
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7422688 |
Biological wastewater treatment process and reactor
An aerated treatment of water is performed using a serially coupled reactor and flotation tank and is performed using so much activated sludge in the water that small bubbles from an aerator are...
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7419594 |
Apparatus and method for controlling biomass growth in suspended carrier bioreactor
A bioreactor configured to contain an aqueous suspension of biomass and media is provided. The invention includes a lift tube disposed within the vessel, the lift tube having an inlet disposed at...
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7413656 |
Aerobic sewage system
An aerobic system provided to treat sewage generated by a modern larger home which does not have access to a municipal sewage connection The features of this system are adaptable to upgrade and/or...
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7329350 |
Filtration system
A filtration system comprises a filtration container housing filter media treated to reduce waste in water pumped into the filtration container. An impeller is mounted on the filtration container...
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7329351 |
Process and apparatus for increasing biological activity in waste treatment in bodies of water
A process and apparatus for increasing biological activity in waste treatment ponds and lagoons. In this process a floating fluid circulator having an annular space between nested frusto-conical...
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7300584 |
Treatment of a suspension in a bioreactor with integrated hydraulic bottom layer removal
A process and a device for biological treatment of a suspension in a bioreactor ( 2 ) are described. To circulate the suspension, at least some of the suspension is routed through a vertically...
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7290669 |
Upflow bioreactor having a septum and an auger and drive assembly
An upflow bioreactor includes a vessel having an inlet and an outlet configured for upflow operation. A septum is positioned within the vessel and defines a lower chamber and an upper chamber. The...
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7279104 |
Waste treatment method
Disclosed is a system and method for treating domestic and industrial biological waste using diffusers to force circulation and aerate a treatment lagoon. Several lagoons may be used in series to...
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7270751 |
Method for treatment of sewage plant sludges by a fungal process
The invention relates to a method for treatment of predominantly urban sewage plant sludges, characterised in comprising a step for treatment of the sludges by microfungi.
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7252766 |
Wastewater treatment system and method
A system, method and apparatus for treating wastewater containing biodegradable material wherein a submerged stand alone perforated cylinder reactor pod containing aerobic bacterial growth media...
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7163632 |
System and method for oxygenation for wastewater treatment
A fluid treatment system and method for dissolving a gas into a fluid and subsequently allowing microbial or chemical reactions with the fluid mixture to decontaminate the fluid. The system...
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7150832 |
Apparatus for and a method of treating organic waste
The apparatus comprises an anaerobic digester for receiving organic waste, an aerobic digester, and a feed pump for pumping effluent from the anaerobic digester to the aerobic digester. The...
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7147781 |
Backwash system and method for waste water treatment system
A backwash system and method for a waste treatment system employ a waste inlet duct extending into an accumulation of microbial growth media particles in a lower region of a tank, with a vertical...
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7105091 |
Waste treatment with control over biological solids
Waste-treatment processes are enhanced through generation and introduction of specific biological populations customized to perform or favor specific tasks either during the main process, or for...
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7101483 |
Process for treating a body of water
A process for treating a body of water in which a bioreactor and a water eductor are located in a body of water such that the eductor is submerged beneath the body of water to a depth of at least...
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7081199 |
Aerobic digester for bodily waste material
A digester is provided for aerobically and microbially digesting a batch of bodily waste material, such as an aqueous slurry of pig manure. The digester comprises side-by-side digestion and...
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RE39203 |
Current and aeration system for wastewater plant
A defined current and aeration system for the aeration chamber of an aerobic wastewater treatment plant is disclosed. It includes the release of oxygenation gas or air into the aeration chamber...
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7060185 |
Sewage treatment apparatus using self-granulated activated sludge and sewage treatment method thereof
Provided is an apparatus for processing sewage by granulating activated sludge and a method thereof. The sewage processing apparatus includes an anaerobic granulation tank for granulating suspended...
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7041219 |
Method and apparatus for enhancing wastewater treatment in lagoons
A method and apparatus for building a lagoon based advanced treatment system or upgrading an existing lagoon system for advanced treatment of wastewater. The lagoon is provided with a baffle to...
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7014769 |
Method for reducing nitrate concentration in wastewater
The present invention is a method for reducing the nitrate concentration in wastewater within a wastewater treatment apparatus configured to define an aeration zone and a quiescent zone or dilution...
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7011757 |
Process for recycling mixed liquor with dual-use jet recirculation pumps to provide highly efficient wastewater treatment
A process that removes nitrogen by the MLE Process or nitrogen and phosphorus by the Bio-P Process from municipal or industrial wastewaters by combining at least one dual-use jet recirculation pump...
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7008538 |
Single vessel multi-zone wastewater bio-treatment system
A process for treating wastewater and a system for practicing the process includes: providing a plurality of zones within a single vessel wastewater treatment system; feeding wastewater into the...
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6984325 |
Water and aqueous mix treatment using venturi discharge oxygen
The method of treatment of a body or bodies of liquid, that is essentially aqueous, and containing other components, the method including introducing O 2 molecules into said liquid body or bodies...
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6958121 |
Aerobic digester for bodily waste material
A digester is provided for aerobically and microbially digesting a batch of bodily waste material, such as an aqueous slurry of pig manure. The digester comprises side-by-side digestion and...
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6929746 |
Waste stream digestion method
Disclosed is a system and method of digesting raw animal waste using diffusers to force circulation and aerate a digesting lagoon. Several lagoons may be used in series to treat raw waste and...
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6926830 |
Combined activated sludge-biofilm sequencing batch reactor and process
A new biofilm-activated sludge Sequencing Batch Reactor (SBR) treatment process for sewage or wastewater has successfully been developed as the third generation SBR (SBR3). This new SBR3 process...
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6841072 |
Method and device for the anaerobic purification of a slurry which contains organic constituents
Method and apparatus for the anaerobic purification of slurry which contains organic constituents. Slurry which is to be treated is fed periodically or continuously to a mixture-filled,...
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6833074 |
Waste treatment with control over biological solids
Waste-treatment processes are enhanced through generation and introduction of specific biological populations customized to perform or favor specific, tasks either during the main process, or for...
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6821426 |
Process for treating a body of water
A process for treating a body of water in which a bioreactor and a water eductor are located in a body of water such that the eductor is submerged beneath the body of water to a depth of at least...
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6808629 |
Method for effluent purification
A process for purifying wastewater including the step: a) rating the tanks and the aeration means on the basis of the lowest pollution load, referred to as the low load, which corresponds to the...
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6802975 |
Method for biological effluent treatment
The invention relates to a method of biological treatment of wastewater by means of activated sludge, wherein the wastewater is introduced first into an aerated activated sludge tank (B tank) and...
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6802974 |
Method and device for producing biogas, which contains methane, from organic substances
A three-stage method used for producing biogas having a high methane content from organic substances includes aerobic fermentation, a charring and thermophilic methane fermentation.
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6787035 |
Bioreactor for treating wastewater
A bioreactor that has an internal sludge return function for treating wastewater is provided. Said bioreactor comprises a mixing zone ( 18 ), a static zone ( 28 ), and a mixed liquor circulation...
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6787036 |
Method and apparatus for aerating wastewater
Oxygen depleted wastewater is introduced as a stream into the top of a vessel containing a set of perforated triangular vanes arranged to rotate about a vertical axis. The stream is directed...
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6780317 |
Method of purifying water, suitable bacteria for the method and use thereof
A method of purifying waste water biologically by using three particularly suitable bacteria: Bacillus sp. DT-1, Pseudomonas azelaica , DT-2, and/or Rhizobus sp. DT-5, or mixed populations...
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6780318 |
Method for recovering a disposal trench with a biomat slime, and method for operating a waste treatment vessel
A soil-based disposal trench that has failed from a biomat slime is recovered by adding a facultative anaerobic bacteria to an effluent that flows into the disposal trench. The facultative...
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6761823 |
System and method for removing contaminants from water
A system and method for removing contaminants from water that has a relatively low oxygen content with naturally occurring chemoautotrophic bacteria, ferrous iron, manganese, sulfide, and other...
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6743357 |
Waste stream digestion system
Disclosed is a system and method of digesting raw animal waste using diffusers to force circulation and aerate a digesting lagoon. Several lagoons may be used in series to treat raw waste and...
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6726838 |
Biofilm carrier, method of manufacture thereof and waste water treatment system employing biofilm carrier
A biofilm support including a plastic biofilm support element having a maximum dimension which does not exceed 50 mm and having a specific gravity of between approximately 0.70-0.91. A method of...
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6712980 |
Device and method for the treatment of contaminated media
The invention relates to an apparatus for the treatment of contaminated media, comprising a rotatable housing having at least one inlet ( 28 ) for gas emerging in the stirrer housing, and at least...
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6660164 |
Biochemically enhanced thermophlic treatment process
The present invention provides a process and apparatus for autothermal aerobic thermophilic treatment of high strength and high temperature wastes. Waste material is injected into a reactor vessel...
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