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7622042 |
Water treatment apparatus and method
It is an object of the invention to provide an effective technique for detecting the quality of water with high accuracy. A representative water treatment apparatus includes an aerobic treatment...
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7622040 |
Fine bubble airlift device
The present invention relates to an aeration device for use in a liquid medium. The device includes a housing adapted to float within the medium such that a top portion thereof remains above a top...
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7622036 |
Bio tank/oxygen replenishment system
A system is disclosed herein for treating wastewater liquid by utilizing aerobic biological species. The contaminated wastewater stream is pretreated in a dissolved air flotation system to remove...
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7615154 |
Loop reactor with clog-resistant gas distribution
Special guide means 7 are located in the interior of a loop reactor for circulating the reactor contents. The guide means 7 has at least one central gas supply means 1 with gas distribution...
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7601261 |
Sludge flocculator-separator for the physico-chemical treatment of water
The water to treat is received in a chamber ( 1 ) with a rapid mixer and from there it passes to a second chamber for coagulation ( 3 ) and from that to a third chamber for flocculation ( 4 ) where...
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7597801 |
Fluids fluxion method and plant for wastewater treatment
A wastewater treatment plant includes a reaction tank connected to an wastewater supply tube and an aeration apparatus to receive wastewater therein, a sludge separation unit dividing an internal...
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7597747 |
System and method for removing or reducing pollutants in exhaust gases
Gases containing smoke, pollutants and volatile organic compounds (VOC's) and a mixing liquid are blended in a swirling vortex into a liquid/gas mixture. Motive air and biological and/or chemical...
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7578942 |
Wastewater treatment equipment and method of wastewater treatment
In wastewater treatment equipment, a surfactant is added to a micronanobubble reaction vessel 3 by using a surfactant pump 8 and a surfactant tank 9 which constitute a surfactant adding...
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7572370 |
Installation for the mechanical purification of liquids, and method for separating suspended matter
The invention relates to an installation for the mechanical purification of liquids, said installation comprising a container for separating suspended matter, and a transporting device for...
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7571899 |
Gas-liquid dissolving apparatus
A gas-liquid dissolving apparatus includes an intake unit that takes in to-be-treated water from an oxygen-deficient water area, an oxygen-containing gas supply unit, a bottomed gas-liquid...
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7563412 |
Reactor for solid phase synthesis
A Reactor ( 1 ) for solid phase synthesis comprises a vessel ( 2 ), a plurality of filters ( 3 ) arranged in the vessel ( 2 ) and a plurality of filtrate outlets ( 4 ) for evacuating the filtrate...
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7563363 |
System for treating wastewater
The invention is directed to a method an apparatus for treating wastewater. The wastewater treatment system includes an aeration system that cycles between biological multiple biological basins....
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7556730 |
Reclaimed water reuse device
Taught herein is a reclaimed water reuse device, comprising a biological reaction tank, a membrane module, a water pool, an inlet-drainage device, an outlet device, a water-generating device, a...
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7537707 |
Gas injector and method therefor
A gas injector that is coupled to the pump strainer basket housing drain port of a pump-circulated system is disclosed. The gas injector that may be installed in a way that is less invasive than...
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7537706 |
Microporous diffusion apparatus
Apparatus for active in situ multi-element gas sparging for bioremediation or physico-chemical degration for removal of contaminants in a soil formation containing a subsurface groundwater aquifer...
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7534350 |
Liquid medium treatment method and device
The invention relates to saturating various fluid media with oxygen, for example for aeration and can be used for the food industry, pharmaceutics, perfumery and cosmetics, physio- and...
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7514009 |
Devices and processes for use in ultrasound treatment
Devices and methods are provided for treating, preventing from growth, and neutralizing microorganisms using high-frequency, low-energy ultrasound. A particular method is provided for treating a...
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7513995 |
Air driven particle recirculator for a septic tank outlet baffle or filter assembly
An air driven particle recirculator designed to introduce air around a single or multiple compartment septic tank discharge outlet baffle or filter assembly. The air driven particle recirculator...
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7513994 |
Aeration vessel and aerator assembly for use in a wastewater treatment system
An aerator assembly for use in the aeration vessel of a wastewater treatment system comprising a rigid tubular member having an upper end and a lower end, and a diffuser assembly, the diffuser...
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7497949 |
System and method for oxygenating an aerobic sludge digester
A system and method for oxygenating an aerobic sludge digester is provided. The disclosed embodiments include an aerobic sludge digester tank or vessel having a mechanically agitated contactor...
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7491331 |
Methods for total nitrogen removal
A method and related apparatus for oxidation and reduction of a reduced aqueous nitrogen contaminant.
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7491321 |
Oxidation tank control valve assembly and systems and methods for replenishing a charge of oxygen-containing gas within an oxidation tank
Contaminants are removed from fluid in a system where the fluid is sprayed into an air head at the top of a tank through a diffuser and withdrawn through a pick-up tube. A solenoid valve operates...
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7485224 |
Mobile bioremediation systems
In some embodiments, a system may reduce contaminants in water. A system may include a biofilm in a container. The biofilm may be formed from one or more bacteria coupled to one or more substrates....
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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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7479220 |
Plant for the removal of metals by biosorption from mining or industrial effluents
A method and a plant to remove metals by biosorption from mining or industrial effluents comprising: (a) subject the effluent to at least one first stage of pre-treatment, selecting among:...
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7476322 |
Process and energy-efficient biological treatment system with filtration membrane
A membrane filtration system comprising one or more submerged ultrafiltration or microfiltration membrane assemblies at ambient pressure, with mixed liquor is discharged underneath each membrane...
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7476321 |
Method and a plant for waste water treatment
A method and a plant for waste water treatment include a method for purifying waste that has the steps of a) storing waste water; b) optionally removing phosphorous compounds; c) leading the waste...
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7476319 |
Method and apparatus for continuously controlling denitrification in variable nitrogen loads in wastewater
The invention is a method and an apparatus for continuously controlling denitrification in wastewater purification in a sewage treatment plant having at least one denitrification stage under...
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7468136 |
Grit trap
A vortex grit trap comprising a generally vertically extending tank of circular cross-section including a separation zone having an inlet and an outlet for liquid flow to and from the tank, and in...
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7468135 |
Portable tank wastewater treatment system and method
A portable wastewater treatment system comprising a wastewater holding tank having an interior adapted to hold wastewater, and a generator positioned to provide ozone, oxygen, or a combination of...
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7462290 |
Device and a method for removing solids
A device for removing solids from a fluid containment space. A hood is arranged or intended to be arranged at a bottom surface of the fluid containment space. At least one inlet opening and at...
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7462285 |
Wastewater purification method and apparatus
The invention described herein provides a novel means to biologically denitrify nitrogenous compounds in wastewater using a simultaneous reaction under aerobic conditions. To conduct this reaction...
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7455775 |
Water treatment method and apparatus
It is an object of the invention to provide an effective technique for detecting the quality of water with high accuracy. A representative water treatment apparatus includes an aerobic treatment...
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7449113 |
Controlling wastewater treatment processes
Methods and apparatus for continuing, automated control of wastewater treatment processes. In certain preferred embodiments, method and apparatus for control of aeration in suspended growth...
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7445715 |
System for treating wastewater and a controlled reaction-volume module usable therein
A wastewater treatment system including a biological reactor is disclosed. At least one controlled-reaction-volume module is provided to the biological reactor. The at least one...
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7442313 |
Environmental remediation method and system
Remediation for groundwater, soil, sediment bodies, bodies of water, tanks, pipes, and their surrounding areas are described. Remediation includes treating a site contaminated with toxic organic...
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7442307 |
Method and apparatus for the biological activated sludge treatment of wastewater
The equipment has a main reaction (I) and an anterior reactor (II), as well as facilities for feeding in untreated sewage, removing cleaned water and sludge and aerating the wastewater entered into...
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7438808 |
Sand catcher
The invention relates to a sand catcher comprising a deposition chamber ( 1 ) that is configured as a steel container with a cylindrical cross-section, traversed in a longitudinal direction. Said...
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7431833 |
Flowable material vessel
A vessel is provided for treating flowable materials and methods of use wherein the vessel has a substantially cardioid cross-sectional configuration with a central cusp defining two upper rounded...
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7431832 |
Systems for reducing water contamination
In some embodiments, a system may reduce contaminants in water. A system may include a biofilm in a container. The biofilm may be formed from one or more bacteria coupled to one or more substrates....
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7429320 |
Wastewater treatment system
A method and apparatus for remediating a failing wastewater treatment system comprising (a) a positive oxygen and ozone-generating, or ozone-generating only, pressure pump having an output, (b) a...
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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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7407584 |
Regulating air velocity continuously injected into biological water treatment reactor
A method of treating wastewater wherein the biomass associated with the wastewater is subjected to simultaneous nitrification and denitrification in a single reactor. The method entails directing a...
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7404906 |
Device and process for treating cutting fluids using ultrasound
Devices and methods for treating, preventing from growth, and neutralizing microorganisms in cutting fluids using high-frequency, low-energy ultrasound.
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7402248 |
Active biological contactor (ABC); a modular wastewater treatment system
A method and system for wastewater treatment includes flowing a quantity of a wastewater into a first microbubble chamber having a plurality of diffusers for injecting microbubbles into the...
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7396453 |
Hydraulically integrated solids/liquid separation system for wastewater treatment
A system and method for treating wastewater includes a treatment container for receiving and treating wastewater and a mixing/aeration system disposed in the treatment container. Wastewater is...
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7387723 |
Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
The invention relates to a membrane bioreactor process combined with an advanced biological sludge digestion process that provides significant improvements in sludge digestion by reducing the costs...
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7384554 |
Methods for total nitrogen removal from waste streams
A method and related apparatus for oxidation and reduction of a reduced aqueous nitrogen contaminant, as can be embodied by a system comprising nitrifying and denitrifying bacteria and contacting...
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7374675 |
Mixer for use in wastewater treatment processes
A system and method of aerobic wastewater treatment provides large mixing bubbles along with small oxygenating bubbles supplied by diffusers. The mixing bubbles are large enough to move wastewater...
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