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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
7491331 Methods for total nitrogen removal  
A method and related apparatus for oxidation and reduction of a reduced aqueous nitrogen contaminant.
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...
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....
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...
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:...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...