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7615147 Method and apparatus for water treatment  
A water treatment device that chemically treats tidal water. The water may, if desired, be salt water or fresh water. The water treatment device is substantially cylindrical with paddles extending...
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...
7504030 Acid mine water demineralizer  
The acid mine water demineralization apparatus consists of two concentric cylinders that are divided into a total of four sections; a water chamber, a gas chamber, a reaction zone, and an aeration...
7396456 Cruising aeration apparatus and method  
A cruising aeration apparatus and a method are described. The cruising aeration apparatus comprises an aeration device for circulating the water in an aquatic pool, at least one conducting element...
7100683 In-well aeration device  
An in-well aeration device which includes a water pumping section disposed within the well for drawing water from the well, an aerating section operatively connected to the water pumping section...
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...
7052601 Process and means for the treatment of water in an aquaculture system  
A process and a means are described for treatment of water that forms a growth environment for marine organisms, where this water is in a main tank that is placed on land. The invention provides a...
7048861 System and method for in-well aeration  
A method of aerating a well having a well pump positioned therein is disclosed which includes the steps of positioning an air diffuser within the well above the level of the well pump, determining...
6923905 Apparatus for subsurface aerated treatment of wastewater  
The performance of a leach field of a septic tank type wastewater treatment system and other analogous devices is enhanced, maintained or rejuvenated by flowing air or other active gas through...
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...
6802978 Process for environmental recovery in urban regions  
A process of environmental including a micro application of floating/coagulating material in the watercourse, followed by micro flocculation to aggregate particles in suspension downstream,...
6676837 Solar aeration system  
The present invention is a solar powered aeration system that incorporates a battery. The device can be used for improvement of water bodies for use in aquaculture systems, reservoirs, water...
6554998 Apparatus for lagoon remediation  
The present invention is drawn to a unique apparatus for treating anaerobic bodies of water including, but not limited to, agricultural waste treatment lagoons. The apparatus of the present...
6514410 Odor control apparatus for facultative lagoon  
An odor control apparatus for a facultative lagoon, and a facultative lagoon created and maintained thereby. The apparatus includes an aerator and a cover. The aerator can include a body with an...
6344144 High-capacity bio-block aeration system for stimulating enhanced bio-activity in aerobic wastewater treatment processes  
This invention relates to the aeration of relatively large volumes of wastewater using an improved high-capacity aeration system to stimulate enhanced bio-activity. An air delivery system is...
6290844 Filter systems and methods for pond water pump systems  
A filter system for a pond system. The pond system comprises a pump vault arranged such that unfiltered water in a pond flows into the pump vault, a pump, and a pump vault cover. The filter system...
6290855 Device for aerating a body of water, method for aerating a body of water  
An aerator for a body of water is disclosed comprising a structure for forming a column of water wherein the column has a longitudinally extending core devoid of water and a structure for injecting...
6284133 Bio aerator  
In typical hydrocarbon-contaminated ground water, the level of dissolved oxygen is low due to the high biological oxygen demand. The present invention increases dissolved oxygen levels in the...
6280636 Enhancement of oxygen transfer from diffused gas aerators  
A method and apparatus of increasing the oxygen transfer rate, residence time, and circulation pathways within waste water is provided. The process uses cyclic bursts of compressed air to establish...
6270681 Aeration pond with oxygen recycling  
Water in an aeration pond is treated with substantially pure oxygen. The oxygen originates from a pressurized oxygen supply, and is conducted through a conduit to the bottom of the pond....
6270661 System for infiltrating water into the ground  
Water from a septic tank is aerated, at an above-ground aeration station. The aerated water is infiltrated onto the floor of a trench in the ground through drainage holes in a pipe. The pipe is...
6221257 Apparatus and method for treatment of discharged water and other fluids  
A fluid treating apparatus includes a primary conduit defining a flow path for the fluid being treated. A column is connected to the pipe forming an inlet into the flow path. A reaction container...
6200470 Sub-soil domestic wastewater treatment apparatus having multiple aeration chambers  
A sub-soil wastewater treatment vessel, especially for wastewater produced by single family residences and small businesses and the like. The vessel is divided into at least three contiguous...
6200469 System for removing pollutants from water  
A system for removing pollution from water, utilizing a subsurface constructed wetland system using forced bed aeration and variable water levels, to promote greater root depth and better root...
6117314 Apparatus for removing metal compounds from waste material  
A method for removing metal compounds from waste water comprising the steps of adjusting the pH of the water to from 5 to 12 and preferable 6 to 9; aerating the waste water; adding a flocculating...
6106729 Aeration assembly for dam sites  
An apparatus for aerating water contained at a dam site includes a force main pipe for receiving water from a dam site water reservoir therethrough and a dam aeration assembly in communication with...
6103123 Aeration device and method for creating and maintaining facultative lagoon  
A facultative lagoon, an airlift aerator for such a lagoon, and a method of operating such a lagoon. The aerator includes a U-shaped body with a down flow leg and an airlift leg and a float. The...
6096203 Wastewater treatment system  
A wastewater treatment system having a tank with an inlet and an outlet and an offset access opening residing at a top of the tank, a clarifier compartment positioned within the tank, an aeration...
6068773 Single-cell wastewater reclamation and reuse system  
A single-cell wastewater treatment and reuse system designed for wastewater flows of less than 1,500 gpd includes a wastewater treatment cell having a volume in the range of about 14 to about 42...
6019895 Apparatus and method for treating waste water  
A waste water treating system which has an incline pipe for passing waste water therethrough by gravity flow. This aeration pipe has tuyere perforations penetrating the pipe along a portion and a...
5766457 Water aeration system  
A water aeration system for receiving gas and/or iron laden water from a water source and delivering purified water to a service line. The system includes a tank with an internal volume fillable...
5755976 Pneumatic bubble aeration reactor and method of using same  
A pneumatic bubble aeration reactor and method for conditioning bodies of liquid comprising at least one upwelling bubble conduit, at least one return conduit fluidly connected to the upwelling...
5744040 Apparatus and method for removing dissolved hydrogen sulfide from water  
An apparatus for removing dissolved hydrogen sulfide from water including an atomizing tank defining an open end. A manifold is positioned adjacent the open end. The manifold defines an inlet...
5690827 Sewage treatment system using peat and a constructed wetland  
A system and method of sewage treatment which comprises the sequential steps of: (i) subjecting waste water to be treated to a primary settling means to remove settleable solids and suspended...
5614086 Method and apparatus for removing contaminants from a water supply  
A bubble aeration system and method for removing radon and other contaminants from domestic or commercial water supplies in a single tank having a baffle arrangement or channels creating a sinuous...
5593575 Floating cover and baffle system  
A floating cover and baffle system used to vastly increase treatment effectiveness of wastewater treatment lagoons used to remove pollutants from water. The floating cover prevents direct sunlight...
5565096 Natural filter for ecological system  
A natural filter for ecological systems is provided. The apparatus includes a rock medium container for holding rocks for filtering life, means for circulating water, means for floating the...
5549828 Method and apparatus for in Situ water purification including sludge reduction within water bodies by biofiltration and for hypolimnetic aeration of lakes  
A method and an apparatus for in situ purification by aeration and biofiltration of water from a water body. According to this method, polluted and/or oxygen deficient water is drawn through a...
5527465 Method for preventing erosion in headworks of waste water treatment facilities  
A method of removing noxious odors and preventing erosion within waste water headworks, said headworks including a headworks structure for waste water, an inlet line, an outlet line and a vent...
5514267 Apparatus for dissolving a gas into and mixing the same with a liquid  
An apparatus for mixing a gas with a liquid and for dissolving the gas in the liquid comprises a throttled section (12) formed in a fluid flow passage, a gas inlet (18) provided slightly downstream...
5510022 Pond aerator  
A pond aerator for aerating and circulating water in a body of water comprising a pump having an inlet adapted for receiving water and an outlet adapted for transmitting pumped water; a power...
5421999 Floating nitrification reactor in a treatment pond  
A floating nitrification reactor for use in a treatment pond utilizes a mass of high surface area material which provides sites for bacterial treatment. Floatation devices are attached to the mass...
5330639 Mobile water agitating and aerating apparatus  
Self-propelled mobile apparatus for aerating water includes a vessel configured for movement across a body of water, and a mechanism contained entirely on the vessel for propelling the vessel...
5328601 Apparatus for in place gas cleaning of diffusion elements  
Cleaning of multi-pore diffusion elements in place with cleaning gases while submerged in liquid media by applying said elements in improved gas cleaning apparatus. Such apparatus may for example...
5314619 Method and apparatus for pond water clarification and maintenance  
Apparatus is disclosed for improvement of water quality in a pond or similar body of water. A main conduit is located below the water surface and extending generally parallel to the shoreline. A...
5294340 Process for the biological treatment of waste water using microorganisms  
The present invention relates to the biological treatment of waste water using microorganisms whose living conditions are maintained by addition of oxygen into a contact path. An underwater support...
5227056 Apparatus for improving the quality of a large amount of water and the quantity of dissolved oxygen therein  
The present invention relates to a method and apparatus, in which the quality of a large amount of water and/or the quantity of dissolved oxygen in the water is improved. Water in which slaked lime...
5227067 Apparatus for improving irrigation or cleaning water and method for its use  
A method and apparatus are described for improving the aerobic and nutrient quality of a body of water in a reservoir which contains undesirable dissolved salts and harmful microorganisms, by...
5015370 Apparatus and method for treating well water  
An apparatus and method for treating well water to remove dissolved minerals and entrained gases. An aerator is disposed within a well, the aerator being located being the frost line and the water...
4992174 Fixed bed bioreactor remediation system  
Disclosed is an apparatus and method for the continuous bioremediation of sites contaminated with a hazardous substance. The apparatus includes a subsurface pumping system, for removing the...
Matches 1 - 50 out of 108 1 2 3 >