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8968572 Method and apparatus for the purification of water contaminated with sulfate ions and with heavy metal ions  
In a device and a process for purifying water which is contaminated with sulphate ions and heavy metal ions, the water is collected in a water reservoir and a substance having basic activity in...
8739867 Mass/volume estimation of contamination, removal and/or in situ treatment using subsurface pressure waves  
A remediation process that a employs improved quantitative method(s) of estimating of the volume and/or mass of contaminant in the subsurface, removal and or in situ degradation of the...
8663368 Process and apparatus for removing methane or another fluid from a fluid mixture  
A method and apparatus for separating a first fluid from a fluid mixture. In one embodiment water containing methane is passed through an agitation chamber with a plate at the chamber's proximal...
8617402 Method of raising the pH of acidic bodies of water  
The invention relates to a method of raising the pH of a body of water having a pH of less than 4.5 by introducing neutralizing agent, the raising of the pH taking place in at least two stages...
8608968 Compositions for bioremediation and methods for using  
Described herein are compounds, compositions, and methods useful for bioremediation of a contamination. In particular, described herein are compositions that include one or methyl esters of a...
8580114 Processes for remediation of contaminant plumes  
When a large-scale contaminant plume is located under a surface area with conditions that prevent placement of a network of injection and associated extraction wells, embodiments of the invention...
8512557 Radon reduction apparatus  
Provided is a radon reduction apparatus for groundwater disinfection. The radon reduction apparatus includes an agitation space forming body that groundwater fed through a groundwater feed pipe...
8480903 Systems and methods for in-situ contaminant remediation  
The present invention provides systems and methods for in-situ remediation of soil and groundwater having contaminants such as but not limited to organic compounds perhaps providing adsorption,...
8425776 Biofilm remediation of metal containing wastewater  
A method of in situ treatment of wastewater that is contaminated with a heavy metal may include passing a flow of contaminated wastewater through a reactor vessel. The reactor vessel may contain a...
8409442 Water separation method and apparatus  
A system for treating fractionated water from an oil and gas well. The system comprising a filter system, a diffusive membrane system, a plurality of membrane sensors, and at least one membrane...
8398862 Geothermal recovery method and system  
A method for extracting energy from hydrocarbons located in a geologic reservoir is presented, including the steps of: oxidizing the hydrocarbons; extracting heat generated from oxidizing the...
8366808 Process and apparatus for removing methane or another fluid from a fluid mixture  
A method and apparatus for separating a first fluid from a fluid mixture. In one embodiment water containing methane is passed through an agitation chamber with a plate at the chamber's proximal...
8328996 Method and apparatus for desalinating water combined with power generation  
A method and apparatus for desalinating water combined with power generation, wherein a desalination system is used for desalinating coastal seawater and is operationally related to a power...
8252148 Containment extension and processing method  
A mobile waste processing system and method is disclosed for processing materials in a tank, typically an underground storage tank. A mobile fluid processing module is disposed adjacent to or over...
8226832 Portable water treatment method  
A method that can be used in a portable system and apparatus to effectively and efficiently treat aqueous fluids by quickly and reliably adjusting and controlling the free residual level of...
RE43350 Microporous diffusion apparatus  
Apparatuses for removal of volatile organic compounds in a soil formation include a microporous diffuser for injecting air and gaseous ozone as bubbles into water in the soil formation. The...
8147694 Method for the treatment of ground water and soils using mixtures of seaweed and kelp  
The induction of reducing conditions and stimulating anaerobic process through the addition of species of seaweed (Dulse, Nori, Ascophyllum nodosum, and Kelp) to accomplish accelerated...
7833417 Method for improving hydrocarbon-water compatibility in a subsurface hydrocarbon-contaminated site  
The present invention relates to methods for improving hydrocarbon-water compatibility. More specifically, the invention relates to methods for enhancing the production of surface-active agents in...
7662290 Integrated water decontamination plant and well pump arrangement  
The present invention removes contaminants from well water without creating the problem of large volumes of waste liquid disposal. It uses double-cone devices as pressure amplifiers which due to...
7638064 Method and system for disinfecting irrigation water in agricultural irrigation systems  
A method for disinfecting agricultural irrigation water system-wide comprises (a) continuously feeding chlorine to the irrigation system and (b) monitoring an outer field point to determine...
7476320 Process 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...
7442305 Downwash process bioremediation system  
Disclosed herein is a method for the removal of petroleum hydrocarbon and toxic constitutes from contaminated soils and sediment. The method comprises the removal of contaminated materials from...
7396470 Treatment of environmental pollutants with mineral ores  
A method for removing a pollutant from emissions or the environment comprising: contacting a mineral ore or the use of a mineral ore selected from the group consisting of bauxite, modified bauxite...
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...
7314568 Water conditioning system  
A multi-stage water conditioning system is structured for conditioning a flow of influent water passing through the conditioning system by removing one or more cations including sodium, iron,...
7309188 Drainable base course for a landfill and method of forming the same  
Numerous embodiments of one or more layers of void-maintaining synthetic drainable base courses (“VMSDBC's”) are provided as incorporated into landfills and other waste containment facilities.
7300227 Recovery of non-aqueous phase liquids from ground sources  
The invention disclosed relates to a method and apparatus for recovering non-aqueous phase liquids (NAPL) from regions below ground where NAPL spills are sources of aquifer contamination. The...
7252986 Process for the biodegradation of hydrocarbons and ethers in subsurface soil by introduction of a solid oxygen source by hydraulic fracturing  
A bioremediation of subsurface soil formations contaminated with hazardous wastes is achieved by hydraulic fracturing of the subsurface soil formation with simultaneous introduction of sodium...
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...
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...
7037434 Integrated water treatment and flue gas desulfurization process  
A water stream containing hardness minerals is subjected to a water treatment process using an alkali agent to precipitate the hardness minerals and to produce a softened water stream is used to...
6949197 Situ neutralization of subsurface acidic pore water  
A method for neutralizing in situ pore water associated with a subsurface waste material body, the pore water having a pH of less than 2, the method includes the steps of adding a non-carbonate...
6923914 Remediation of metal contaminants with hydrocarbon-utilizing bacteria  
Methods and apparatus are disclosed for remediating metal contaminants using hydrocarbons which stimulate the growth of hydrocarbon-utilizing bacteria. The metal contaminants may include heavy...
6881347 Method for removing radioactive substances from affecting water wells  
The natural ability of an aquifer formation to remove radionuclides from ground water is recharged by injecting a leaching solution a well. The leaching solution replaces the radionuclides at...
6830695 In situ remediation process using divalent metal cations  
An in situ process for treating ambient solid materials (e.g., soils, aquifer solids, sludges) by adding one or more divalent metal cations to the ambient solid material. The added divalent metal...
6818136 Groundwater remediation system  
A process where gas bubbles are produced under a partial vacuum and are dynamically agitated creating a vortex that allows for homogenization of the gas desired for dissolution into the affected...
6790363 Method of treating arsenic-contaminated waters  
The present invention is directed to an adsorbent for removing arsenic species from ground water and/or surface water systems. Such adsorbent removes both As(III) and As(V), thereby providing...
6787038 Extraction of pollutants from underground water  
Pollutants are extracted from sub-surface water using an aqueous solution of cyclodextrin and a vertical circulating well. Complexes of the pollutant and cyclodextrin are recovered from the bottom...
6767468 Method to remove uranium/vanadium contamination from groundwater  
A process for removing uranium/vanadium-based contaminants from groundwater using a primary in-ground treatment media and a pretreatment media that chemically adjusts the groundwater contaminant...
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...
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...
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...
6602421 Method for purifying contaminated groundwater using steel slag  
A method for purifying contaminated water involves passing contaminated water through a porous bed of steel slag. The steel slag can be used to remove various contaminants or reduce the...
6569333 Restoring soil and preventing contamination of ground water  
The object of the present invention is to restore soil and prevent contamination of ground water by decomposing an organic compound with decomposing microorganisms in soil contaminated with an...
6562235 Enhanced anaerobic treatment zones in groundwater  
A method to remediate a contaminated groundwater zone by shielding electron acceptors contained in groundwater flow that interfere with beneficial anaerobic reactions in the contaminated...
6555001 Accelerated remediation using tree crops  
A method of remediating contaminated groundwater using tree crops and a method of accelerating the root growth of said tree crops in order to hasten the remediation process. Trees are planted in...
6551815 In situ denitrification  
A method of in situ biodenitrification of a contaminated site comprising providing to a contaminated site a phosphorous source, namely a polyphosphate or a trimetaphosphate. The phosphorous source...
6531064 Method for removal of radionuclide contaminants from groundwater  
A system for remediating groundwater contaminated with radionuclides, consisting of an underground bed of crushed zeolites. Distribution pipes convey contaminated groundwater to the zeolite bed by...
6524485 Polymer-micelle complexes and methods of use thereof  
A polymer-micelle complex is disclosed. The polymer-micelle complex includes a micelle having a negative charge. The negatively charged micelle is bound electrostatically to a polymer bearing a...
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...

Matches 1 - 50 out of 241 1 2 3 4 5 >