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7615148 |
Seawall filter
A filter assembly for a seawall filters the flow of groundwater through a hole in the wall. The filter assembly includes: (a) a housing containing a flat flange and a perforated conical shell, the...
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7572368 |
Water treatment apparatus
A microporous diffuser includes a first elongated member including at least one sidewall having a plurality of microscopic openings. The sidewall defines an interior hollow portion of the member....
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7569140 |
Directional spargewell system
Treatment of contaminates by an apparatus that includes a directional microporous diffuser, a distribution arrangement to receive a fluid, an air compressor having a first outlet to feed air to the...
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7547388 |
Superoxidant poiser for groundwater and soil treatment with in-situ oxidation-reduction and acidity-basicity adjustment
Equipment and process by which an operator can set (or program) a time sequence of coatings of oxygen with increasing oxidation potential for in-situ treatment (chemical reaction) of organic...
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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...
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7470367 |
Process for removing a contaminant from contaminated groundwater
The invention relates to a process for removing a contaminant from groundwater wherein it is not necessary for groundwater to be extracted from the soil. To that end, the process according to the...
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7438814 |
Method and apparatus for the purification of ground water
The present invention relates to a method for decreasing the contents of metals, metalloids, nitrate and nitrite, respectively, in raw water flowing through a basin ( 1 ), whereby water containing...
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7374691 |
In-situ hydraulic treatment conduit
A system is installed in the subsurface to control the hydraulic gradient between the area within a containment system and the area outside the containment system, and provides an easy-to-maintain...
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7297254 |
Systems and methods for extracting and purifying water from groundwater sources
Systems and methods for water extraction and purification are disclosed. In one embodiment of the invention, a system includes at least one water lifting unit that fluidly communicates with a...
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7156988 |
Floating product removal
A system and method for removing floating product from an aquifer. The system includes a groundwater-depressing mechanism configured to create a depression in a groundwater surface that encourages...
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7156984 |
Environmental remediation apparatus
This invention relates to remediation systems, and more particularly to remediation systems for water, soil, and sediment bodies using thin-layer coated microbubbles.
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7150833 |
Method for forming microcultures within porous media
Highly porous, beads are comprised of a polymer and a second compound mixed into it. The second compound, an amendment, is either a nutrient or a compound having high affinity to one or more...
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7141173 |
In situ treatment process to remove metal contamination from groundwater
The present invention provides a process for enhancing the metal contaminant sorption capacity of mineral compounds within a groundwater-bearing formation by manipulating the pH and the surface...
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7138060 |
In situ remediation of contaminated groundwater
In situ treatment of contaminated groundwater includes identifying a site contaminated with a pollutant susceptible to degradation by in situ, sulfate-reducing microorganisms. An amount of sulfate...
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7118307 |
Cooling water intake system
A cooling water intake system is configured to minimize entrainment, impingement and thermal plumes associated with the operation of onshore industrial facilities, such as a power plant, and...
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7090016 |
Well having inhibited microbial growth
The invention includes methods of inhibiting microbial growth in a well. A packing material containing a mixture of a first material and an antimicrobial agent is provided to at least partially...
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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...
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7033492 |
Groundwater and subsurface remediation
A method of treating a site containing contaminants and apparatus are described The method and apparatus sparges the site with an air/ozone gas stream delivered with a hydroperoxide, which is a...
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7022234 |
Method for biological treatment of environmental contaminants and waste
The invention is directed to an apparatus for delivering activated microorganisms to an environment to be treated. The apparatus has a bioreactor containing microorganisms, a supply of organic and...
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7022241 |
Gas-gas-water treatment system for groundwater and soil remediation
A sparging system for in-situ groundwater remediation for removal of contamination including dissolved chlorinated hydrocarbons and dissolved hydrocarbon petroleum products including the use in...
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6984316 |
Device for creating at least one reaction zone in an aquifer
The present invention relates to a device for creating a reaction zone in an aquifer, for circulating and purifying ground and raw water, in particular for tap water use, which aquifer comprises...
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6928864 |
Tool assembly and monitoring applications using same
The present invention provides a tool assembly for use in field applications to monitor at least one condition in a well or other hole. The tool assembly may include a computing unit for directing...
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6921477 |
Groundwater treatment system and method
A groundwater treatment system, which includes subterranean inlet, treatment, and outlet portions. The inlet portion is configured to collect groundwater from an aquifer. The treatment portion...
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6908556 |
Methods for forming microcultures within porous media
Highly porous, beads are comprised of a polymer and a second compound mixed into it. The second compound, an amendment, is either a nutrient or a compound having high affinity to one or more...
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6875355 |
Denitrification system for nitrified wastewater or nitrified water
A denitrification system for denitrified wastewater or nitrified water treatment using a detergent or detergent-like compound comprising available carbon. The system comprises a plurality of...
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6866781 |
Direct oxygen injection groundwater remediation method and system
A bioremediation method and system for destroying or reducing the level of contaminants in a contaminated subterranean body of water includes a plurality of spaced injection sites. The injection...
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6863815 |
Small-scale hydrogen-oxidizing-denitrifying bioreactor
A method for treating nitrate-contaminated water comprising treating said water with hydrogen-oxidizing denitrifying bacteria in the presence of hydrogen. The apparatus for use in this method...
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6810957 |
Well constructions with inhibited microbial growth and methods of antimicrobial treatment in wells
The invention includes methods of inhibiting microbial growth in a well. A packing material containing a mixture of a first material and an antimicrobial agent is provided to at least partially...
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6780331 |
Ozonation of contaminated liquids under high pressure
Contaminated liquids are treated by ozonation in a pressurized environment. Ozone is injected into a contaminated liquid to form a gas/liquid mixture. The mixture is injected into a mixing chamber...
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6758979 |
Method and reactor for decontaminating ground water
The invention concerns a method and a reactor for the decontamination of ground water with the use of the vertical shaft technology from the well drilling technique, of the manufacture of...
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6755967 |
Well water filtration apparatus and system
A system for filtering well water residing in a water storage tank or reservoir in which water laden with sediment and debris is removed by a pump from the center of the bottom of the tank, passed...
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6746605 |
Multi-arrayed vacuum recovery method and system for groundwater wells
A method and system for removing free phrase product from the surface of a subterranean body of water includes a plurality of extraction sites. The extraction sites extend below ground and...
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6740238 |
Enhanced dissolved oxygen groundwater remediation method and system
A bioremediation method and system for destroying or reducing the level of contaminants in a contaminated subterranean body of water includes a plurality of injection sites. The injection sites...
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6719902 |
Fe(o)-based bioremediation of aquifers contaminated with mixed wastes
Disclosed are methods, devices and apparatus for bioremediation of mixed waste aquifers, based on a synergistic combination of reductive treatment using zero-valent iron and anaerobic...
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6709199 |
Sediment control system for fluid containment basins
A fluid containment basin having ridges located in the bottom of the basin and furrows adjacent to the ridges to facilitate maintenance of the basin using the naturally occurring forces of gravity,...
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6679992 |
Method and apparatus for purifying polluted substances containing halogenated organic compound
A nutrient solution is reduced with a reducing agent, and introduced into a contaminated object. Alternatively, groundwater reduced with a reducing agent is introduced into the contaminated object....
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6648549 |
Modular drainage channels
An underground infiltration drainage system comprising water storage and/or water formed by a plurality of load bearing box like modules ( 1, 16 and 19 ), arranged adjacently and wrapped in water...
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6632073 |
Air-operated pump with bladder-controlled inlet structure useful in floating-layer separation applications
An air-operated, submersible pump features a bladder-controlled inlet applicable to water pumping or fluid separation, including the recovery of viscous hydrocarbon products. The inlet area fluidly...
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6612481 |
Wellscreen
An apparatus and method of manufacturing a wellscreen for subterranean use in oil, gas, and water wells, incorporating numerous automated processes, whereby layers of mesh are continuously sintered...
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6599058 |
Landfill leachate collection apparatus
A landfill ( 10 ) having a leachate collection apparatus including a layer of geonet material ( 40 ) disposed above a liner ( 38 ) as its primary leachate flow path. Leachate flows along the geonet...
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6596161 |
Laminated microporous diffuser
A microporous diffuser includes a first elongated member including at least one sidewall having a plurality of microscopic openings. The sidewall defines an interior hollow portion of the member....
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6582602 |
Method for purifying contaminated underground water
A purification method for purifying contaminated underground water comprises the steps of characterizing the soil composition at the location of the contaminated water, taking a sample of the...
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6521127 |
Modular filtration systems and methods
A filtration system includes production modules ( 305 ) which are mechanically coupled in series, and which contain filters that are fluidly coupled in parallel. Among the many different...
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6511601 |
Method and system for extraction of chemicals from aquifer remediation effluent water
A method and system for extraction of chemicals from an groundwater remediation aqueous effluent are provided. The extraction method utilizes a critical fluid for separation and recovery of...
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6491828 |
Method and system to remotely monitor groundwater treatment
A contaminated aqueous composition is withdrawn from a groundwater extraction well and the groundwater is treated in a pump and treat system to remove a contaminant. The treating of the aqueous...
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6488852 |
Apparatus and method for biological treatment of environmental contaminants and waste
The invention is directed to an apparatus for delivering activated microorganisms to an environment to be treated. The apparatus has a bioreactor containing microorganisms, a supply of organic and...
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6488850 |
Method and apparatus for anaerobically degrading pollutants with alkanes
A method and apparatus are disclosed in which alkanes such as butane are used to degrade pollutants such as tetrachloroethylene (PCE) and carbon tetrachloride (CT) at contaminated sites. In a...
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6464864 |
Composition for treating aqueous composition contaminants
A non-iron sulfide is introduced into an iron-containing zone to form ferrous sulfide. A contaminated aqueous composition is then contacted with the ferrous sulfide to react with said contaminants.
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6457905 |
In-situ deep remediation injection system and method
An improved deep remediation injection system for in-situ remediation of contaminated soil and ground water. The system includes a soil penetrating lance for injecting at least two different...
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6458271 |
Deep aquifer remediation system
A groundwater decontamination system includes a decontamination unit adapted to be lowered down through a non-pumping well into an aquifer containing contaminated water. The unit can also be raised...
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