Class 405/128.25 - With fluid application

Subclass of Class 405 - Hydraulic and earth engineering
Definition: Subject matter wherein a fluid is applied to the soil
No. of patents: 81
Last issue date: 05/13/2008

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Number	Title	Issue Date
7370445	Sludge removal A sludge removal apparatus includes a sludge removal head (10) with a sludge suction duct and an water supply duct with open end portions alongside each other, and a filter (32) adjacent to the open ends of the suction duct (36) and the water su...	05/13/2008
7364386	In-situ surfactant and chemical oxidant flushing for complete remediation of contaminants and methods of using same The present invention relates to removal of subsurface contaminants and methods of same. In more particular, but not by way of limitation, the present invention relates to an integrated method for remediating subsurface contaminants through the use of a low concentr...	04/29/2008
7326002	Sparge broadcasting in fracture rock Apparatus and method for removal of contaminants from a formation are described. The apparatus and method introduces at a first location treatment materials at concentrations to effect removal of contaminants into a formation and withdraws fluid from a second locati...	02/05/2008
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 oxidant into the aquifer at an injection point to create a volume of inf...	09/04/2007
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 hydrogen peroxide and ozone based reagents. ...	02/13/2007
7160060	System and method of remediation of contaminants The present invention discloses a remediation system and method of use thereof for degrading contaminants, including chlorinated organics, volatile organic chemicals, and polycyclic aromatic hydrocarbons. The system includes an oxygen source and pentane. The system ...	01/09/2007
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 containing free radicals, oxidative conditions can be created within...	01/09/2007
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 contaminants are transported into a bioactive zone into which at least o...	09/19/2006
7101115	stabilization of persistent hydrophobic organic contaminants in sediments using coal- and wood-derived carbon sorbents To overcome obstacles faced by current remediation technologies for contaminated sediments, the present invention provides a new strategy based on in situ control of hydrophobic organic contaminants (HOC) bioavailability. The strategy employs the addition of activat...	09/05/2006
7097386	Simultaneous development of underground caverns and deposition of materials A method is provided for simultaneously developing caverns while depositing wastes or other materials in them. A well is first drilled into a salt formation and the development of a salt cavern by means of solution mining is initiated. When the development of the ca...	08/29/2006
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 the bottom and transports the mixture upwards, owing to the rising act...	07/18/2006
7021862	Method for remediation of contaminated ground at oil or gas facility The present invention is a mobile, in situ applicator system and method for remediating contaminated soils at a site without the removal of those soils. The applicator system comprises a vehicle, preferably a chemical treatment vehicle used in the oil and gas indust...	04/04/2006
7021863	In-situ surfactant and chemical oxidant flushing for complete remediation of contaminants and methods of using same The present invention relates to removal of subsurface contaminants and methods of same. In more particular, but not by way of limitation, the present invention relates to an integrated method for remediating subsurface contaminants through the use of a low concentr...	04/04/2006
7011766	Capping and treating a metal-contaminated sediment A method of treating a metal-contaminated sediment includes capping the sediment with a capping product containing sulfur and at least one component selected from the group consisting of clays, clay-sized materials, bulking agents, sand, sand-sized materials, aggreg...	03/14/2006
7007759	Method and system for directing fluid flow A gas/liquid pump moves liquid by passing gas up through it. Pumping is accomplished by the liquid's moving through three conduits. The first, a collector conduit, transports the liquid to the bottom of the unit. The second, a gas-lift conduit, mixes the liquid and ...	03/07/2006
6979150	In-situ containment and extraction of volatile soil contaminants The invention relates to a novel approach to containing and removing toxic waste from a subsurface environment. More specifically the present invention relates to a system for containing and removing volatile toxic chemicals from a subsurface environment using diffe...	12/27/2005
6955501	In-situ process for detoxifying hexavalent chromium in soil and groundwater Inexpensive, highly effective methods for the in-situ reduction of hexavalent chromium to the non-toxic trivalent oxidation state in soil and groundwater containing hexavalent chromium are provided, which may reduce hexavalent chromium concentration in soil to as lo...	10/18/2005
6939085	Soil aerating machine A soil aerating machine includes in combination a skid-steer and a basket resembling a loader bucket adapted for attachment to the skid-steer boom. An air pressure tank, an elongate air nozzle pipe, an air hammer, and air control valves for the air nozzle pipe and a...	09/06/2005
6936179	Method and apparatus for adding oxygen to drinking water A method and apparatus for producing super-oxygenated water for human consumption including forcing atmospheric air through a filter to remove impurities, exposing the filtered air to ultra violet light to cleanse the air, and to form ozone and oxygen in the air, fo...	08/30/2005
6913420	Fluid movement apparatus Apparatus suitable for venting and dispensing gas from an area of ground. The apparatus comprising a passage arrangement locatable in the ground extending generally horizontally and formed from a plurality of self-supporting open units. One or more columns extends d...	07/05/2005
6913419	In-situ surfactant and chemical oxidant flushing for complete remediation of contaminants and methods of using same The present invention relates to removal of subsurface contaminants and methods of same. In more particular, but not by way of limitation, the present invention relates to an integrated method for remediating subsurface contaminants through the use of a low concentr...	07/05/2005
6742962	Infiltration and gas recovery systems for landfill bioreactors A trench located in a landfill including the combination of a liquid infiltration piping system and a horizontal gas withdrawal piping system, the combination allowing for simultaneous liquid infiltration and gas withdrawal from a landfill. ...	06/01/2004
6733207	Environmental remediation system and method The present invention provides an environmental remediation system and method. In one embodiment, the system comprises a nozzle formed from a plurality of tubulars mounted parallel with respect to each other. In one embodiment, a mixing chamber may be provided adjac...	05/11/2004
6568879	Process for the solvent extraction for the radiolysis and dehalogenation of halogenated organic compounds in soils, sludges, sediments and slurries A process of extracting halogenated organic compounds, and particularly PCBs, from soil, sediment, slurry, sludge and dehalogenating the compounds contacts a contaminated soil sample with an extraction medium of a mixture of an alkane and a water miscible...	05/27/2003
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 medium, that chemically reacts with a contaminant is disper...	03/18/2003
6517287	Method for removing contaminants from dredge material in an underwater environment A method of removing contaminated sediment material from a contaminated area on the ocean floor using a reactor vessel wherein seawater is from within the interior of the reactor vessel so that the vessel penetrates the ocean floor. A pressurized fluid is...	02/11/2003
6464005	Remediation method A method of remediating a site of earth and groundwater contamination includes the steps of drilling at least one injection well, and preferably a plurality of injection wells, into the groundwater in a contaminated area. At least one, and preferably a pl...	10/15/2002
6447207	Air, soil and ground water remediation compositions and methods A remediation composition for cleaning a soil mass and ground water contaminated with an organic contaminant and for reducing emanation of foul air from contaminated sites. The composition comprises an aqueous carrier, TRITON X-100 as a first surfactant, ...	09/10/2002
6386796	Composite particles and methods for their application and implementation A method of treating a contaminated material in which a low-permeability barrier is formed over the contaminated material, thereby creating a substantially hydraulically closed system. The material beneath the barrier is treated by at least one of deliver...	05/14/2002
6379083	Method for the remediation of soil contaminated with organic halide compounds A method for the remediation of contaminated soil comprising causing a carbonic acid aqueous solution to penetrate into the soil to liberate and remove contaminants contained in the soil....	04/30/2002
6352387	Recirculation-enhanced subsurface reagent delivery system Method and apparatus for delivery of chemical reagents to a subterranean body of soil and groundwater to destroy or enhance mobility of organic compounds using a riser insertable in a borehole having spaced permeable sections separated by a non-permeable ...	03/05/2002
6305878	Adjustable depth air sparging well An adjustable depth air sparging well comprising a flow through packer which is slidably mounted within a well casing allowing for vertical movement of the flow through packer within the well casing. Flow through packer includes an inflatable packer fabri...	10/23/2001
6261029	Density-enhanced remediation of non-aqueous phase liquid contamination of subsurface environments A method for remedying contamination of a subsurface environment by a non-aqueous phase liquid that is denser than water (DNAPL). The subsurface environment has a resident aqueous phase and a DNAPL phase. A dense aqueous solution that has a density greate...	07/17/2001
6254311	Removal of ground contaminents Removal of Light, non-Aqueous Phase Liquids (LNAPLs) from contaminated soils is expedited by injecting gas into extraction wells. The extraction wells are operated with a vacuum assist which produces a mounding of groundwater around the well. Gas is injec...	07/03/2001
6210073	Multi-level fluid transfer apparatus, system and process A multi-level fluid transfer system, apparatus and process. In one well bore hole, there are multiple fluid transfer devices positioned to inject a fluid, such as air, at multiple levels in the well bore hole. There are seals between the levels establishi...	04/03/2001
6206098	In situ water and soil remediation method and system The remediation treatment creates environmentally neutral species from hydrocarbon contaminants. A catalyst is injected into the site and is permitted to diffuse through the site. An oxidizing agent is then introduced into the site to release a free radic...	03/27/2001
6190092	Density-enhanced remediation of dense non-aqueous phase liquid contamination of subsurface environments A method for remedying contamination of a subsurface environment by a non-aqueous phase liquid that is denser than water (DNAPL). The subsurface environment has a resident aqueous phase and a DNAPL phase. A dense aqueous solution that has a density greate...	02/20/2001
6183162	Method for treating vapors and liquids recovered from a subsurface remediation process A continuous process for removing organic contaminants from a subsurface formation. Including the steps of (a) injecting steam into the subsurface formation via an injection conduit, (b) removing a liquid stream from the subsurface formation via a liquid ...	02/06/2001
6174107	Device for creation of an oxidation and precipitation zone or a reduction zone in an aquifer The invention refers to a device for creating in an aquifer an oxidation and precipitation zone or a reduction zone between a number of injection wells arranged around one or more extraction wells for purified water, said injection wells each comprising a...	01/16/2001
6158924	Soil and groundwater decontamination system with vacuum extraction A soil and groundwater decontamination system (10) and associated process are provided for soil and groundwater remediation. The system (10) and process utilizes both a physical or chemical reaction with the contaminants in a contaminated subsurface zone ...	12/12/2000

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Class 405/128.25 - With fluid application