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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...
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...
7615156 Device for in situ bioremediation of liquid waste  
A bioremediation device for liquid waste includes a medium for forming a microbial film and for exposing the microbial film to an effluent to decompose a first substance in the effluent and to...
7604733 Apparatus for biological removal of phosphorus and nitrogen using granulated methane-oxidizing bacteria  
A biological removal method of phosphorus and nitrogen includes supplying a mixture gas into a gas holder. Inflow water and return water are supplied into the gas holder to make the mixture gas...
7597808 Apparatus and method for treating wastewater containing nitrogen-containing dyes  
A wastewater treatment apparatus comprises a nitrogen-containing dye containing wastewater inlet connected to an obligatory anaerobic tank to bring wastewater containing a nitrogen-containing dye...
7582474 Process reactor with layered packed bed  
Packed bed reactors that have a series of alternating layers of packing. A first packing layer has open body packing elements randomly packed in a layer up to about 10 packing elements deep; and a...
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...
7575683 Portable wetlands  
The present invention includes a portable Sub-Surface Flow Constructed Wetlands system for removing pollutants from a body of water. The portable wetlands system includes a sealed container having...
7553410 Septage treatment system  
The present invention generally includes a septage treatment system comprising: (a) a primary treatment process system comprising: (1) a receiving station to pump the septage from a vehicle; (2)...
7550076 System for the treatment of wastewater  
A wastewater treatment system for treating wastewater by processes which include aeration. The system includes an influent conduit for delivery of wastewater to be processed and a treatment tank...
7544288 Gutter filtering device  
A filter sphere for preventing debris from entering a downspout of a rain gutter. The filter sphere is a hollow, perforated sphere with a diameter slightly less than the width of a normal rain gutter.
7544287 Reciprocating biological contactor and method of use  
A bioreactor vessel has a biological support provided within the vessel to support bacteria and a drive system for agitating the biological support while it is it is immersed in the reaction liquor...
7544286 Method and apparatus for enhancing aquatic environments  
Submerged media useful with or without aeration and/or mixing to enhance an aquatic environment by promoting and retaining biogrowth. The media takes the form of a cluster of individual flexible...
7540960 Method and system for inoculating bacteria in contaminated water using earthworm humus  
A system for treating liquids by forming bacteria flora using earthworm humus is disclosed. In some embodiments, the system includes a containment tank for receiving a contaminated liquid...
7537690 Treatment apparatus of waste water containing oil and fat for grease trap and grease trap  
A treatment apparatus of waste water containing oil and fat for grease trap mounted on a grease trap and for decomposing and treating, with an immobilized enzyme, waste oil and fat waste in waste...
7527728 Biomass carrier promoting simultaneous nitrification-de-nitrification  
The invention is a biomass carrier used in the biological purification of waste water. The design of the biomass carrier is characterized by a surface morphology designed to produce a specific...
7524419 Mixer for use with media in wastewater treatment  
A system for wastewater treatment comprises a tank and includes a mixer that generates large mixing bubbles, for example a bubble having a largest dimension of 6 inches to 10 feet. In some...
7520980 Bioreactor system for multi-stage biological wastewater treatment  
A bioreactor system for microbiological treatment of wastewater including: at least one highly-flexible substrate for providing a superficial environment conducive for supporting biomass growth,...
7514256 Bioreactor for selectively controlling the molecular diffusion between fluids  
A diffusion controlling bioreactor that selectively controls the molecular diffusion between fluids through a microchannel in fluid communication with a reaction reservoir. The length and...
7513997 Recirculating wastewater evapotranspiration and disinfection system  
A recirculating wastewater evapotranspiration and disinfection system is disclosed in which wastewater is collected, stored, aerated. and circulated through an unsaturated and optionally heated...
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...
7491325 Biological treatment system and assembly  
An assembly for supporting biomass for treating sludge or wastewater includes a first corrugated sheet having crests and valleys, a second corrugated sheet having crests and valleys and an...
7491324 Rotating perforated cylinder treatment system  
A water treatment system comprising: a container having a first end, a second end and a container wall defining an interior and an exterior; an aerator completely disposed within the interior, the...
7491323 Water distributor device for aquariums, ponds and the like provided with a possible biological filter  
In a water distributor device for aquariums, ponds and the like, comprising a main body ( 30 ) wherein an impeller ( 70 ) is inserted, the impeller ( 70 ) is rotated by entering water and is...
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...
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...
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...
7468134 See-thru self cleaning biological filter system for aqua-culture  
A system is described for collecting, filtering and removing dirt, debris, detritus, active organic materials, chemicals and toxins from water in fish ponds and general aqua-culture applications....
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...
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...
7459075 Process control oxidation  
The present disclosure provides for a system and method that intensely oxidizes water as it navigates through a system and accurately, controllably neutralizes the oxidation by-products before the...
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...
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...
7431847 Method and apparatus for purifying water by photo-chemical oxidation  
An apparatus for purifying contaminated water by photochemical oxidation has at least a subflow of water that is directed through a flow channel in which the water is irradiated with UV...
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...
7425268 Device and related methods for purifying a liquid  
In an aspect of the invention, a device for purifying water in a water water garden or fish pond comprises a filter medium configured to clean the water flowing through the device, and a housing...
7425261 Stormwater bioretention filtration system with overflow/bypass capability  
A stormwater treatment system including a substantially water impermeable treatment container for treating stormwater through a bioretention mechanism. The treatment container includes an...
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...
7402241 Water purification device  
A water purification device including a water inlet that receives water generated by a condenser. The water purification device has a water heating apparatus that receives water from the water...
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...
7390400 Denitrification reactor with a fixed culture  
A denitrification reactor with a culture fixed to an organized plastic-type support is combined with an installation for the nitrification and elimination of the carbon-based pollution The reactor...
7374683 Biofilter and method for filtering a waste liquid  
The biofilter is used for the purification of a waste liquid using layers of filtering material, wherein the waste liquid moves downwardly by gravity while an O 2 -containing gas moves upwardly...
7374670 High aspect ratio wastewater system  
A leaching conduit comprising: a high aspect ratio channel; a first pipe in fluid communication with the high aspect ratio channel; and where the aspect ratio of the high aspect channel is...
7361268 Waste treatment systems  
Waste treatment systems and methods of using them to treat septage, domestic sludge or both are disclosed. Certain examples provided herein relate to waste treatment systems that include a...
7347940 Nitrogen removal system and method for wastewater treatment lagoons  
A wastewater treatment process integrates a tidal nitration system with a wastewater treatment lagoon. Raw effluent enters a lagoon having a persistent anoxic or anaerobic state and a long...
7338597 Apparatus for water treatment  
An apparatus and method for treatment of water borne oxidized contaminants, using hydrogen as an electron donor for denitrification and reduction of other oxidized contaminants. Preliminary results...
7335305 Sequential batch reactor and wastewater treatment process  
A system for controlling the aerobic phase of a wastewater treatment cycle in a sequencing batch reactor, comprising a tank, an air blower, at least one sensor for measuring the concentration of...