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6478964 |
Floating fine-bubble aeration system
A floating fine-bubble aeration system for dissolving a gas in a liquid in which the system is floated. A grid of uniformly spaced fine-bubble diffusers is used to establish large area of...
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6468429 |
Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors
This application relates to improvements to long vertical shaft bioreactors for the aerobic biological treatment of wastewater and aerobic digestion of biodegradable sludges. The invention...
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6461509 |
Method and installation for purifying contaminated water
The present invention relates to a method for purifying contaminated water coming from a carwash and an installation for performing this method. The method comprises the steps of pretreating the...
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6458276 |
Method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol
Disclosed is a method for treating groundwater, or other water streams contaminated with oxygenate(s), particularly MTBE and TBA, characterized by improved biodegradation of MTBE, the...
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6447676 |
Springbox for water remediation
A method and apparatus for treatment of contaminated water is described. The apparatus includes a container divided into at least two chambers by a wall that partially separates the two chambers,...
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6444125 |
Method of treating waste water for removing nitrogen and phosphorus and apparatus therefor
A method of treating sewage or waste water for removing nitrogen and phosphorus as well as organic materials in the sewage or waste water, and an apparatus therefor are provided. The method applies...
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6436289 |
Vertical membrane storage system and method of storing liquids using the same
A vertical membrane storage system including a flexible membrane housing having an upper enclosed portion capable of storing a fluid and a lower open portion for receiving the fluid is disclosed....
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6428694 |
Solar powered environmental remediation devices
Devices and methods of use of a non-traditionally powered environmental remediation device and, more particularly, to devices utilizing programmable logic controllers for remote operation,...
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6423228 |
Treating fluorine waste water containing organic matter, phosphor and hydrogen peroxide
A calcium carbonate mineral is placed in a lower portion of a second water tank, while sludge precipitated in a sixth water tank is returned to an upper portion. A blower and an air diffusion pipe...
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6423216 |
Biological oxidation filter system
A biological oxidation filter system can be used as a pretreatment process in water treatment, or for processing sewage or wastewater by reproducing the purification mechanisms in nature...
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6413418 |
System and method for oxygenation of waste water
Oxygen is mixed with waste water at an early stage in a water treatment facility, to reduce odor caused by anaerobic reactions of sulfur. Waste water is withdrawn from a collection basin, by a pump...
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6406005 |
Diffuser for aerating a fluid
A diffuser for aerating a fluid, and particularly for aeration in waste water treatment tanks, is formed in an elongate configuration by manufacturing a base plate from an extrusion cut to the...
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6406619 |
Three stage sewage treatment plant
The Three Stage Sewage Treatment Plant is an uniquely designed three stage sewage waste water cleaning device for use in homes and other buildings which are not attached to municipal sewer systems....
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6387266 |
Method of sewage biological purification and an equipment for performing this method
A method of biological sewage purification based on that during the purification process the separated water is in determined intervals pumped off from the separation process and the sedimentation...
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6383369 |
Waste and wastewater treatment and recycling system
A waste and wastewater treatment and recycling system separates blackwater and greywater at their respective sources and includes a waste separation system for decomposing the blackwater into water...
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6383367 |
Method and apparatus for separating water from oil
A method and apparatus for separating water from oil includes creating a vacuum in a container so that oil which contains water and gas bubbles is drawn upward through a first section of the...
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6372140 |
Diffused aeration method
A diffused aeration method carried out in an aeration tank which contains a plurality of coarse bubble jet diffusers and a plurality of fine bubble jet diffusers strategically located to provide...
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6361695 |
Shipboard wastewater treatment system
A method and system for treating wastewater in an onboard ship sewage treatment system having controlled suspended solids, the method comprising the steps of collecting wastewater in a collection...
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6358407 |
High turbidity wastewater purification system
A device and method for the filtration and purification of suspended solids from high turbidity wastewater or other fluids using a slow circulating fluid stream flow inside a vessel of fluid...
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6358411 |
Wastewater treatment plant
A wastewater treatment plant comprises a first containment vessel, a second containment vessel forming an aerobic treatment chamber, the second containment vessel having an inlet and an outlet,...
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6355162 |
Apparatus for increasing the flocculation rate of suspended solids from wastewater
A wastewater aerating system that conditions air inlet to a blower of the system to adjust the condition of air discharged into the wastewater so as to increase the flocculation rate of suspended...
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6348147 |
Fluid flow system for floating biological contactor
A floating biological contactor confining aerobic bacterial growth media in a container submerged in a wastewater lagoon provides fluid flow for bacteria growth by bubbling fine air bubbles upward...
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6344138 |
Device for regenerating the cooling emulsion stagnating in the tanks of machine tools
A device for regenerating the cooling emulsion ( 3 ) stagnating in the tanks ( 2 ) of the machine tools, characterized in that the proliferation of anaerobic bacteria responsible for the...
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6328886 |
Gas diffuser for aeration vessel of membrane assembly
The invention concerns a gas diffuser constructed and arranged to disperse gas into a aeration vessel of a water treatment assembly from a blower. The gas diffuser includes main pipes, branch pipes...
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6325924 |
Reactor vessel for removing contaminants from dredge material in an underwater environment
A reactor vessel for in situ cleanup of contaminated sediments in an underwater environment. A slurry is generated within the reactor vessel after the reactor vessel penetrates an area of the...
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6319407 |
Method and system for purification of waste water
Method and system for the purification of waste water. In the method, all purification functions, including removal of nitrogen and phosphor, are performed in one and the same reactor (1), in which...
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6312605 |
Gas-gas-water treatment for groundwater and soil remediation
A sparging system and process for in-situ removal of contaminants from soil and an associated subsurface groundwater aquifer of a site is disclosed. The sparge system is capable of extracting...
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6306304 |
Aerobic treatment of septic tank effluent
An aerobic treatment apparatus and method of treating effluent transported from a septic tank. The effluent flows into a large enclosed holding tank and a small enclosed production tank located in...
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6303025 |
Water purification system with baffled flow
A water purification system including a rectilinear housing having a plurality of vertical baffles spaced therein. The ends of each of the baffles are located a certain distance below the housing...
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6303034 |
Waste water ozonization process and apparatus
During a waste water treatment process such as an activated-sludge process using microorganisms, the present invention ozonizes a microorganism-mixed liquid. It reduces the amount of microorganisms...
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6303026 |
Wastewater treatment tank with influent gates and pre-react zone with an outwardly flared lower portion
A wastewater treatment tank with influent gates (24) and pre-react zone with an outwardly flared lower portion. Influent passes over influent gates (24), which introduce turbulence, causing...
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6299145 |
Device and method for fluid aeration via gas forced through a liquid within an orifice of a pressure chamber
The present invention provides aeration methods using spherical gas bubbles having a size on the order of 0.1 to 100 microns in size. A device of the invention for producing a monodispersion of...
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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...
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6284135 |
Membrane filter apparatus with gas discharge cleaning means
A membrane filter apparatus includes a membrane unit 50 composed of an array of membrane elements 51 disposed within a treatment tank 31. A skirt element 71 is disposed at a bottom portion of the...
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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...
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6280615 |
Fluid mixer and water oxygenator incorporating same
A fluid mixer includes an elongate mixing chamber having an inlet system at one end for admission of liquid and gas to be intimately mixed by passage through the chamber and an outlet for the...
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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....
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6254776 |
System and method for treating animal waste
A system and method for treating farm animal waste, such as hog and poultry waste, to remove volatile organic compounds (VOCs) from wastewater treatment pits and thus control smell is disclosed....
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6240985 |
Filling device for shipping container
A remote filling device for use with a shipping container is described. A shipping container with specialized connections can be remotely opened using a single lightweight tool using a single drive...
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6224752 |
Wastewater treatment system with operations control center
A wastewater treatment system having an aeration tank (20) is provided with an operations control center (12) that includes a controller (64) and an aerator pump (50) mounted atop a base (58),...
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6224772 |
Activated sludge degassing process and device
A waste water purification process, in particular a continuous waste water purification process is disclosed, as well as a waste water purification plant system, in particular for continuous waste...
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6221260 |
Swirling fluid jet cavitation method and system for efficient decontamination of liquids
The invention is directed to a high efficiency method for the remediation of large quantities of liquids, operating at low to moderate ambient pressures, in order to reduce environmental or health...
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6217761 |
Wastewater treatment system preventing the build up of solids beneath the clarifier opening
A wastewater treatment system having a treatment chamber and a clarifier chamber, the treatment chamber having a floor, the clarifier chamber separated from the treatment chamber by a common...
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6203702 |
Aerobic biodegradable waste treatment system for large scale animal husbandry operations
An animal waste treatment system, particularly adapted to process the waste from a large-scale confined animal facility, has two treatment cells and a holding reservoir. Each of the treatment cells...
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6200486 |
Fluid jet cavitation method and system for efficient decontamination of liquids
The invention is directed to a high efficiency method for the remediation of large quantities of liquids, operating at low to moderate ambient pressures, in order to reduce environmental or health...
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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...
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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...
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6190555 |
Apparatus and method for biological treatment of wastewater
An aerobic microorganism growth medium for use in a wastewater treatment system is formed as a resilient coil of fibrous strand material suspended on a frame placed in a vessel containing the...
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6190544 |
Aerator with float chamber and turnable inlet
Described is an aerator (10) that includes a venturi chamber (18), a pump for drawing liquid into the venturi chamber from a liquid inlet, an air inlet connected to the venturi chamber for aerating...
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6171487 |
Dual-flow filter for biological effluent purification
Dual-flow filter for the biological purification of effluents, particularly water, comprising at least two filtration cells, arranged in series, in fluid communication, with one another so that the...
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