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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...
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8075783 |
Water remediation and biosolids collection system and associated methods
A system and method for remediating a body of water and collecting suspended and dissolved solids therefrom are provided. The system includes a water-impervious lining positionable in a depression...
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7992639 |
Methods for improved hydrocarbon and water compatibility
Improvement in the compatibility of hydrocarbon and water is achieved by surface active agents newly synthesized by mixed microbial populations. Methods for enhancing the microbial production of...
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7967989 |
Groundwater recharging wastewater disposal method
A sulfurous acid treated wastewater disposal method employing soil aquifer treatment (SAT) for artificial recharge of groundwater through infiltration basins allowing fully or partially-treated...
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7967990 |
Hybrid chemical/mechanical dewatering method for inactivating and removing pharmaceuticals and other contaminants from wastewater
A hybrid chemical/mechanical dewatering sewage treatment plant and method employing rapid sludge chemical dewatering technology in conjunction with slower conventional mechanical dewatering solids...
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7887762 |
Pulsed ozone sparging for injecting a high volume high-concentration of ozone
An ozone gas source supplies a high pressure ozone gas mixture of an oxygen carrier gas having a high ozone gas concentration of 5-14% of ozone gas to a pulse storage tank. A programmable...
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7820055 |
Process to maintain large clean recreational water bodies
The invention discloses a process to implement and maintain water bodies larger than 15,000 m3 for recreational use, such as lakes or artificial lagoons, with excellent color, transparency and...
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7767097 |
Ozonated capacitive deionization process & product water
Water from coal bed methane production which is suitable for almost nothing, is ozonated in a reactor to oxidize the iron content from +2 to +3, that is from ferrous to ferric, and to oxidize the...
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7611637 |
Method for treating contaminated water
Zero valent iron particles (14) having enhanced surface area are used to treat contaminated groundwater in-situ or above ground. Hollow and/or porous zero valent iron particles (14) having a...
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7563377 |
Method for removing iron deposits in a water system
A method and composition and system which for the oxidation, clean up, removal and control of iron and iron deposits in water and the removal of iron deposits and bacterial bio-films from surfaces...
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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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7507345 |
Soy proteins and/or soy derivatives with zero-valent iron compositions and use for environmental remediation
Preparation of dispersions of zero-valance nanoscale iron particles and one of soy protein, soy milk, or other soy derivative. The dispersions can be used to treat contaminated soil or water.
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7473372 |
Oxidation of organic compounds
An improved method for treating organic compounds present in soil, groundwater and other environments is disclosed. The method involves the use of a peroxygen compound and a chelated transition metal.
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7303608 |
Groundwater reactive gas injection and venting system for a groundwater remediation system
In a system for collecting gas from a subsurface body of contaminated water, a site collects unabsorbed reactive gas from the subsurface body of contaminated water. In addition, a vacuum source is...
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7264419 |
System and method for remediating contaminated soil and groundwater in situ
A system and method for the in-situ removal or remediation of contaminants in a soil formation containing a subsurface groundwater aquifer, the method comprising the steps of: injecting a first...
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7255791 |
In situ method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol
A method and apparatus for the in situ purification of aquifers contaminated with ethers and/or alcohols using a bacterial culture, a method of delivering the culture to the subsurface, and an...
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7179381 |
Emplacement of treatment agents using soil fracturing for remediation of subsurface environmental contamination
A method for treating contamination in subsurface formations includes fracturing the soil to produce a network of fractures in the formation and simultaneously injecting a slurry containing an...
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7175770 |
Methods and systems for groundwater remediation
The present invention provides systems and methods for the remediation of contaminated water, soils and/or sediments. In some embodiments, the system includes one or more conduits for injection of...
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7166228 |
Method of treating a subsurface formation with ferrous iron to reduce contaminants to harmless species
A method for treating a subsurface formation with a ferrous compound, to reduce a contaminant therein, involves introducing into the subsurface formation a ferrous compound in combination with...
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7160471 |
In-situ generation of oxygen-releasing metal peroxides
A method for remediation of contaminants in soil and groundwater is disclosed. The method generates oxygen releasing solids in groundwater or soil by injecting an aqueous energetic oxidant solution...
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7128841 |
Dispersed zero-valent iron colloids
Stable dispersions of zero-valent iron particles are produced by milling of micro- and nano-scale iron particles (colloids) in the presence of a dispersant or dispersants.
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7108455 |
Carbureted bioventing for enhanced control of in-situ bioremediation
A method for removing volatile and semi-volatile contaminants from groundwater in which the contaminants are stripped from the groundwater by sparging with an inert carrier gas and the stripped...
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7077208 |
Method and system for directing fluid flow
An apparatus having various conduits moves liquid by passing gas up through it. A collector conduit transports the liquid to the bottom of the unit. A gas-lift conduit mixes the liquid and gas at...
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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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7030287 |
Method of decreasing nitrate nitrogen and volatile organic compound in soil and groundwater
A method of decreasing nitrate nitrogen and volatile organic compounds in soil and groundwater by burying a fatty acid having 10 or more carbon atoms, an alcohol having 12 or more carbon atoms, an...
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7029588 |
Oxidizing solution and process for contaminants
My invention provides an oxidizing solution and process for the in situ oxidation of contaminants, including hydrocarbon, organic, bacterial, phosphonic acid, and other contaminants, the...
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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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6994793 |
Process for remediating ground water containing one or more nitrogen compounds
A process for treating ground water containing nitrogen compounds, including ammonia, urea and nitrate, is provided. The ground water is extracted downgradient of the source of contamination and...
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6923596 |
Method for the remediation of contaminated soil and/or groundwater via integrated chemical and biological treatment
The invention provides repeated sequential stages of chemical and biological treatment to meet soil and/or groundwater treatment goals. Chemical treatment is undertaken to directly destroy a...
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6884352 |
Treating toxic solvents and heavy metal contaminants in groundwater and soil using iron sulfides microbial geochemical treatment zone
A method a process involving the application of a labile organic substrate, with supplied sulfate as needed, to a soil and ground water supply for the express purpose of stimulating sulfate...
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6869535 |
Co-oxidation method and co-oxidation reagent for decontaminating ground water and soil
There is disclosed a co-oxidation method and a reagent system of co-oxidation agents for removing from a contaminated zone below the ground surface a water-immiscible organic compound having a...
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6843618 |
In situ subsurface decontamination method
A method of decontaminating soil and ground water containing organic contaminants and divalent metal compounds. It comprises the steps of first treating such soils and ground water with an...
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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...
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6802980 |
Arsenic removal in conjunction with lime softening
A method for removing dissolved arsenic from an aqueous medium comprising adding lime to the aqueous medium, and adding one or more sources of divalent metal ions other than calcium and magnesium...
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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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6770205 |
Method for treatment of pollutants using iron-impregnated, carbon-coated, silica sand
A method for pollutants using an iron-impregnated, carbon-coated silica sand with the iron containing between to and 16 percent silicon. The invention provides an improved method for performing...
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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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6632364 |
Engineered in situ anaerobic reactive zones
An in situ method and system for reductive dechlorination, the precipitation of chromium, the precipitation of heavy metals, and microbial denitrification. The invention comprises the formation of...
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6627428 |
Degradation of organic contaminants by a microbially-driven fenton reaction
The present invention is directed to a microbially-driven Fenton reaction for the transformation of organic contaminants. The microbially-driven Fenton reaction combines abiotic and biotic...
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6623646 |
In-situ chemical oxidation-reduction and precipitation of heavy metals in soils and groundwater
A method is taught for converting metal contaminants in the soil to less toxic forms as well as permitting their removal from groundwater. A first reactive solution comprising ferrous sulfate and...
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6607474 |
Method for stabilizing chromium-contaminated materials
A method for stabilizing chromium in a chromium-contaminated waste matrix characterized by high concentrations of alkaline material (such as lime) includes the steps of contacting a source of...
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6602024 |
Environmental remediation of dense organic contaminants using polyaphron treatments
A novel method that promotes upward mobilization of dense nonaqueous-phase liquid contaminants. In one embodiment, the method comprises the steps of: (1) injecting a treating agent (e.g., a...
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6533499 |
Soil and groundwater remediation system
A liquid remediation system is disclosed comprising a reaction chamber having an inlet in communication with a source of liquid. A pump directs the liquid through the reaction chamber. A reactive...
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6468434 |
Photodegradative process for the purification of contaminated water
A photodegradative process is described for the purification of water contaminated by ether-based compounds, especially methylterbutyl ether (MTBE) or its analogous products, which comprises the...
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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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6428695 |
Aquifer remediation barrier for removal of inorganic contaminants
A permeable barrier for decontaminating groundwater having two distinct components for increasing contaminant removal. Preferably, the barrier material is a mixture or distinct layers of bone-char...
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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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6387276 |
Immobilization of inorganic arsenic species using iron
A method for the remediation of arsenic is presented, comprising providing an aqueous solution of inorganic arsenic species, and passing the solution of inorganic arsenic species over a substrate...
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6387278 |
Increasing subterranean mobilization of organic contaminants and petroleum by aqueous thermal oxidation
In situ hydrous pyrolysis/partial oxidation of organics at the site of the organics constrained in an subsurface reservoir produces surfactants that can form an oil/water emulsion that is...
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