Class 405/128.3 - At spaced locations

Subclass of Class 405 - Hydraulic and earth engineering
Definition: Subject matter wherein the fluid is applied to the soil
No. of patents: 39
Last issue date: 04/24/2012

Number	Title	Issue Date
8162568	Thermogenerator to remediate contaminated sites A remediation system for decontaminating a polluted site that delivers a remediation fluid to the polluted site and receives a contaminated effluent from the polluted site. The system includes a reactor that receives the contaminated effluent and generates an exit f...	04/24/2012
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
7153061	Method of in situ retrieval of contaminants or other substances using a barrier system and leaching solutions Processes and methods relating to treating contaminants and collecting desired substances from a zone of interest using subterranean collection and containment barriers. Tubular casings having interlock structures are used to create subterranean barriers for contain...	12/26/2006
7128156	Wellbore rig with heat transfer loop apparatus A rig, the rig useful in well operations, the rig having rig structure above the earth, and heat transfer loop apparatus connected to the rig for supplying heat transfer fluid for use on the rig, either from a loop or loops with portion(s) in water or portion(s) in ...	10/31/2006
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
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
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
6872318	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 or a substantially wet unsaturated zone, the multi-gas contained in b...	03/29/2005
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 intersect the free product. Each of the plurality of extraction sites is in c...	06/08/2004
6742961	Process for the removal of pollutants from the soil A process for removing pollutants from soil with the aid of a stripping gas which involves (a) injecting the stripping gas into the soil at the level of and/or under the pollutant, (b) volatilizing the pollutant with the stripping gas, so that it rises to the ground...	06/01/2004
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
6632047	Heater element for use in an in situ thermal desorption soil remediation system An in situ thermal desorption (ISTD) soil remediation system may be used to remove or reduce contamination within soil. Heat may be transferred to the soil from resistively heated, bare metal heater elements. The heater elements may be placed directly wit...	10/14/2003
6547489	Process for the removal of pollutants from the soil The invention relates to a process for removing pollutants from soil with the aid of a stripping gas which involves (a) injecting the stripping gas into the soil at the level of and/or under the pollutant, (b) volatilizing the pollutant with the stripping gas,...	04/15/2003
6502633	In situ water and soil remediation method and system The remediation treatment creates environmentally neutral species from hydrocarbon contaminants. For soils having a low porosity, fissures are created in the site by, for example, fluid, i.e., hydraulic or pneumatic, fracturing. A catalyst is injected int...	01/07/2003
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
6284143	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 or a substantially wet unsaturated zone, the multi-gas con...	09/04/2001
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
6083407	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 or a substantially wet unsaturated zone, the multi-gas con...	07/04/2000
5967230	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...	10/19/1999
5829918	Method and apparatus for remediating contamination in soils In a method of remediating contamination in soils of the vadose zone at least one injection well and at least one extraction well are established in the soil. Oxygen-containing gas such as air is injected into the injection well. A vacuum is applied to th...	11/03/1998
5697437	System for the removal of contaminant soil-gas vapors A system extracts contaminated vapors from soil or other subsurface regions by using changes in barometric pressure to operate sensitive check valves that control air entry and removal from wells in the ground. The system creates an efficient subterranean...	12/16/1997
5676207	Soil vapor extraction system A soil remediation system (10) for removing contaminants (11) from a contaminated area (12) located in the vadose zone (13) of the earth and comprising multiplicity of stratigraphic zones, contaminants and compositions (26, 28), is disclosed. The system (...	10/14/1997
5628364	Control system for governing in-situ removal of subterranean hydrocarbon-based fluids There is provided a bio-remediation system and a method associated therewith for remediating a spilled hydrocarbon-based fluid from soil effectively and without causing migration of the fluid to previously uncontaminated areas. The bio-remediation system ...	05/13/1997
5626437	Method for in-situ bioremediation of contaminated ground water A method for in-situ bioremediation of contaminated ground water and surface water using a porous wall filled with porous inorganic support spheres such as diatomaceous earth pellets treated by inoculation with selected non-pathogenic microbes, ie. bacter...	05/06/1997
5623992	Method and system for decontaminating soils and groundwater of gasoline Biodegradation of gasoline by microorganisms in soil and groundwater is achieved by improving the growing conditions for petroleum degrading microorganisms in the subsurface by introducing oxygen containing gas and soluble nitrogen into a system of closel...	04/29/1997
5584605	Enhanced in situ hydrocarbon removal from soil and groundwater The invention encompasses a process and equipment for an aggressive approach to remediation of specific hydrocarbon contaminated soil and groundwater using horizontal sparging pipes in or below the contamination with a matrix of vertical pipes that act to...	12/17/1996
5553974	Enhanced vapor extraction system and method of in-situ remediation of a contaminated soil zone This invention is an enhanced vapor extraction system and method for in-situ remediation of soils contaminated with volatile organic compounds, weathered organic compounds and residual organics. The system consists of air influx wells installed around the...	09/10/1996
5457270	Chemical control system for confining volatile liquids A chemical control system for controlling volatile hydrocarbons adjacent a dry cleaning machine is providing having a first framework of air distribution pipes positioned adjacent the upper portion of a dry cleaning machine for discharging low pressure ai...	10/10/1995
5387057	Contaminated ground site remediation system A system and method of remediating a ground site contaminated with volatile chemical material such as volatile organic compounds (VOC). The system includes an array of elongated spaced dewatering wells embedded into the contaminated ground for lowering th...	02/07/1995
5346330	Method of yielding oil residues or oil containing liquids from contaminated ground layers A method of yielding oil residues or oil containing liquids from contaminated ground layers, includes forming at least two adjacent bore holes in a contaminated ground region, producing connecting passages between the bore holes by loosening and partially...	09/13/1994
5342147	Method of recovering subsurface contaminants A method of recovering contaminants entrained in subsurface soils which includes establishing a plurality of vacuum withdrawal wells and a plurality of air injection wells adjacent to a contaminated zone of earth. The method includes operating the wells i...	08/30/1994
5277518	Contaminant remediation, biodegradation and removel methods and apparatus Methods and apparatuses for removing contaminants. A plurality of injection wells are drilled through the vadose zone to a depth below the water table defining the upper boundary of the aquifer. A plurality of venting wells or venting laterals are establi...	01/11/1994
5246309	System and method for decontamination of contaminated ground A system and method for the decontamination of contaminated ground is described. Contaminated soil gas containing the contaminant is removed from the contaminated ground. Contaminants are separated from the contaminated gas and treated to lessen an enviro...	09/21/1993
5178491	Vapor-phase nutrient delivery system for in situ bioremediation of soil The specification discloses a system for in situ bioremediation of soil wherein nutrients are delivered in the vapor phase to the affected area of the soil for utilization by microorganisms to promote the metabolism of organic contaminants by the microorg...	01/12/1993
5114497	Soil decontamination An improved process for the remediation of soil contaminated by the presence therein of organic or semi-volatile inorganic contaminants which comprises (1) supplying thermal energy to the soil at one or more locations under the surface of the soil, (2) co...	05/19/1992
4465402	Method for removing undesired components from the soil A method for removing undesired components from the soil which comprises screening adjacent soil from the contaminated soil having the undesired components therein, supplying an extracting agent, suitable for removing the undesired components, to the soil...	08/14/1984
4435292	Portable method for decontaminating earth Vertical and/or horizontal perforated pipes are embedded in the soil around an area of the earth which has been contaminated by a spill and these pipes are connected in a closed portable system with a pressure pump in series with an evacuator having a sep...	03/06/1984

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Class 405/128.3 - At spaced locations