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8182678 |
Flow through wastewater treatment apparatus
An apparatus for treating liquid includes a tank having a water inlet for receiving water, a treated water outlet for outputting treated water and a flow path between the inlet and the outlet. An...
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8173015 |
Photocatalytic reactor
A photocatalytic reactor for carrying out a photocatalytic reaction on a liquid which is to be treated, the reactor comprising a reaction chamber which comprises: (i) a foraminated member which...
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8172206 |
System for forming mini microbubbles
A system for forming mini microbubbles has a motor, a shaft attached to the motor, a displacer attached to the shaft for mixing a media with a liquid, a discharge plate positioned adjacent the...
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8137544 |
Waste water treatment system
A molded modular wastewater treatment system including a tank with molded double thick baffle walls made of UV stabilized ⅜″ thick polyethylene. The system is designed with three separately mol...
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8133386 |
Biological waste digester and method of operation
A method of mixing liquid waste material in a digester tank by extending a supporting beam between opposing walls of the tank, securing a paddle to the supporting beam, fixturing the paddle for...
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8101070 |
Wastewater treatment apparatus
A chemical/biological wastewater treatment apparatus employing rapid sludge chemical dewatering technology in conjunction with an environmental biological system for treating the separated treated...
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8070949 |
Micro diffusion of oxygen for treatment and dispersal of wastewater in a drain field
Methods, systems and apparatuses are disclosed for improving the treatment of wastewater in a dispersal drainage trench by facilitating the direct aeration of wastewater passing through a drainage...
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8043501 |
Reagent injector for equipping a water treatment reactor, comprising a nozzle associated with a dispersing member, and corresponding water treatment device
The invention concerns a reactant injector for equipping a water treatment reactor, comprising a nozzle associated with a dispersing member, and a corresponding water treatment device. The...
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8025798 |
Modular biological fluidized bed reactor system
A biological wastewater treatment process and modular apparatus wherein activated sludge is recirculated in all of aeration, fluidized bed and return sludge phases in the apparatus.
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8007665 |
Advanced wastewater treatment device having movable dividers
Disclosed herein is an advanced wastewater treatment device. The device includes a wastewater treatment bath having an anaerobic bath in which phosphorus is discharged, an anoxic bath in which...
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7998343 |
Wastewater treatment system
Wastewater treatment systems are disclosed with improved aeration tanks. The aeration tank includes an inverted frusto-conical clarifier and a submersible aerator pump disposed between the bottom...
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7981301 |
Method and apparatus for treatment of contaminated liquid
An apparatus includes integrated ultra-filtration and clarification, and an optional electrocoagulation capability. The apparatus comprises an outer tank, an inner casing, and a plurality of...
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7954791 |
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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7935251 |
Waste treatment apparatus
A facility for treating solid and liquid waste includes a receiving station, a screening station, a preprocessing station, an alkali mixing station, a press station and a processing station. The...
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7931806 |
Wastewater treatment method and apparatus, biosolids-based food additive, and business application
The present invention is directed to processes and business methods and wastewater treatment units for converting the waterborne residuals from wastewater generated by food processing plants into...
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7927488 |
Water purification systems
Water purification systems utilizing oxidation. By passing water through a chamber of air, the impurities within the water, such as iron, manganese, and/or hydrogen sulfide gas, may be oxidized....
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7927485 |
System for filtering water or wastewater
A filter system for filtering water and/or wastewater including a sludge blanket clarifier for removing at least some impurities from influent. The sludge blanket clarifier includes a clarifier...
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7922901 |
System for water treatment
A system for treating feedwater to remove contaminants therefrom, the system comprising at least one high shear mixing device comprising at least one generator comprising a rotor and a stator...
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7922900 |
System for water treatment
A system for treating feedwater to remove contaminants therefrom, the system comprising at least one high shear mixing device comprising at least one generator comprising a rotor and a stator...
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7897048 |
Membrane bioreactor and sewage treatment method
The present invention discloses a membrane, optionally for use in sewage treatment. The membrane comprises a support membrane having a gas face biolayer on a gas face of the membrane and/or in the...
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7892422 |
Pressurized wastewater effluent chlorination system
A pressurized wastewater effluent chlorination system including a treatment tank defining a contact chamber and an aeration chamber. The treatment tank receives wastewater effluent. The system...
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7879238 |
Process and apparatus for treating nitrogeneous liquor
A process and apparatus for treating an aqueous nitrogeneous liquor by performing ammonia oxidation and denitrification using a biosludge containing anammox bacteria and ammonia-oxidizing bacteria....
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7879240 |
Method and system for aerating wastewater for re-use
A method and apparatus for aerating a liquid, particularly for aerating water in a wastewater treatment process, by: introducing the liquid into a primary pressurizable aeration tank; pumping...
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7867398 |
Method to reduce wastewater treatment plant footprints and costs
A method and apparatus for reducing the footprint of chemical/mechanical/biological wastewater treatment facilities employing sulfur dioxide disinfection and chemical dewatering of solids in...
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7833410 |
Bio tank/gas replenishment system
In systems for treating wastewater liquid by utilizing aerobic biological species, the contaminated wastewater stream is pretreated in a dissolved air flotation system to remove suspended solid...
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7824549 |
High efficiency grit removal system
An assembly for removing grit particles from a fluid having a flow. The assembly includes a tank having walls for holding fluid for separation of grit particles from the fluid, a fluid inlet for...
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7820047 |
Integrated multi-zone wastewater treatment system and method
A wastewater treatment system has two separate but interlinked tanks containing four different zones, namely aerobic, microaerophilic, anoxic and anaerobic, for the biological treatment of the...
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7806960 |
Fluid treatment device
A method and apparatus for treating a fluid is provided and includes a fluid storage tank for partially containing a fluid and a gas, wherein the fluid storage tank includes a fluid inlet pipe and...
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7803272 |
Water treatment system
A first treatment tank (1) to a fourth treatment tank are installed prior to ultrapure water production apparatus (5), dilute wastewater recovering apparatus (34), general service water recovering...
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7794592 |
Wastewater disinfection apparatus and methods
The inventive technology relates, in various embodiments, to novel wastewater heat systems, novel wastewater dosing systems, novel gas bubbling systems, novel flow control systems, novel...
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7790024 |
Apparatus for the electrochemical regeneration of absorbents
Apparatus for treating liquid by contact with a particulate adsorbent material comprises a regeneration chamber (10) within a reservoir (2) for liquid to be treated. Adsorbent material is recycled...
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7784769 |
Agitating device and method for sewage treatment
The invention relates to an agitating device, in which a hyperboloid agitating body (6) is connected to a drive mechanism (2, 3) by means of a shaft (4). Several ribs (7) running from the...
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7767078 |
System for treating produced water
A system and method were used to treat produced water. Field-testing demonstrated the removal of contaminants from produced water from oil and gas wells.
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7731842 |
Submerged fixed film anoxic bioreactor
A constant velocity serpentine anoxic reactor incorporates a multiple cell vertical serpentine path, as well as a horizontal serpentine path, through the anoxic chamber. A fixed film media is...
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7718057 |
Wastewater treatment system
This invention is directed to a wastewater treatment system having a fluidizable media carrying anoxic bacteria in a first treatment zone and a filter membrane positioned in a second treatment...
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7718066 |
Method and apparatus for 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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7718067 |
Septic system remediation method and apparatus
A method and apparatus for remediating a failing wastewater treatment system comprising a positive air, oxygen, ozone, or combination thereof, generating pressure pump (40) directing the air,...
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7704389 |
Apparatus for groundwater remediation
A process for in situ groundwater decontamination within a subsurface region of earth includes: directing a liquid feed stream through a first conduit; injecting a treatment gas into the first...
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7699980 |
System for activated sludge wastewater treatment with high dissolved oxygen levels
An activated sludge wastewater treatment system is provided. The disclosed system includes: an uncovered activated sludge basin; a high purity oxygen aeration system; a secondary clarifier; a...
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7695623 |
System and method for enhancing an activated sludge process
A system for enhancing an activated sludge process that includes at least one aeration tank subsystem for receiving a flow a wastewater and for introducing dissolved oxygen to a population of...
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7682503 |
Filtration and surge with no moving parts
An improved and more efficient design for an air driven algae filtration system is achieved because there are no moving parts other than an air pump, and the air is used twice. After using air to...
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7662288 |
Water treatment method and water treatment system
In a water treatment system, micro-nano bubbles are used in a production device and a detoxification device as one example of the upstream treatment devices which perform specified treatment with...
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7651611 |
Directional microporous diffuser and directional sparging
A method for treating contaminates includes emitting plural streams of a fluid into a soil formation with the streams having different radii of influences in different directions. A direction...
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7651608 |
System for denitrification of treated water from aerobic wastewater treatment systems
An apparatus and method for denitrification of treated wastewater from an aerobic wastewater treatment system in which oxygen levels in the aeration chamber of an aerobic digestion vessel are...
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7641802 |
Wastewater treatment method and wastewater treatment equipment
In a micronanobubble reaction vessel 3 of wastewater treatment equipment, wastewater containing organic matter is treated with micronanobubbles. Thereafter, the wastewater is introduced into an...
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7641798 |
Waste water treatment method and waste water treatment apparatus
A waster water treatment apparatus has micro-nano bubbles generation tanks, mixing tanks, a submerged membrane tank, a contact oxidation tank, and an activated charcoal adsorption device. In the...
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7632400 |
Water treatment equipment
A water treatment equipment has a raw water tank as a mixing section, a micronanobubble generation tank, a floatation tank, and a treated water tank. Waste water as treatment water is introduced...
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7628912 |
Manufacturing device and application device for liquid containing micro-nano bubbles
The application device for liquid containing micro-nano bubbles generates micro-nano bubbles in a wide size distribution with use of a submerged pump-type micro-nano bubble generator and a spiral...
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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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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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