| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 405128750 | Chemical | 49 |
| 20080253840 | In-situ surfactant and chemical oxidant flushing for complete remediation of contaminants and methods of using same - The present invention relates to the removal of subsurface contaminants and methods of using 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 concentration surfactant solution (and methods of making and using novel surfactant solutions) followed by an abiotic polishing process to thereafter achieve a substantially reduced subsurface contaminant concentration that surfactant flushing alone cannot achieve. The present invention is focused on remediation of high viscosity hydrocarbons, such as heating oils or coal tars, with a combination of pre-injection of bio-co-solvent and surfactant (and polymer) flush approach. | 10-16-2008 |
| 20080292404 | Treatment of Environmental Contaminants - Contaminants, such as volatile organic compounds, are removed from an environmental medium, such as contaminated soil, rock, groundwater, waste water and the like, by treatment with a combination of a persulfate, such as a sodium persulfate, and hydrogen peroxide. | 11-27-2008 |
| 20090116908 | Rehabilitation Method - A method of rehabilitation of a deposition area to render it suitable for plant growth comprising a particulate mineral material, which particulate mineral material has been dewatered from a suspension of said material, comprising the steps of transferring the suspension of particulate mineral material as a fluid to the deposition area, and in which the suspension is allowed to stand and dewater at the deposition area to form a dewatered particulate mineral material, wherein the rehabilitation of the disposal area is achieved by adding a dewatering amount of a polymer to the suspension of the particulate mineral material while it is being transferred as a fluid to the deposition area, wherein the polymer is either a synthetic water-soluble polymer formed from one or more ethylenically unsaturated monomers having an intrinsic viscosity of at least 4 dl/g or a water-soluble polymer that is a natural polymer or semi natural polymer. | 05-07-2009 |
| 20090232603 | In Situ Remediation Methods Using Electron Donors And Dispersant Gas - The present invention provides methods and systems for the in situ remediation of contaminated sites. In some embodiments, the methods and systems include one or more conduits for injection or coinjection of liquid electron donor compositions and dispersant gas compositions. | 09-17-2009 |
| 20090245939 | DUAL-USE MICRO ENCAPSULATION COMPOSITION FOR HYDROCARBONS AND DETOXIFICATION OF HIGHLY HAZARDOUS CHEMICALS AND SUBSTANCES - A two-component, water based micro encapsulation composition and method for the cleanup of hydrocarbon spills or contaminates on various surfaces and media. The two-part formulation includes a first solution including water in a predetermined ratio of a water soluble alkaline silicate solution having at least one alkali metal and a predetermined ratio of at least one water soluble surfactant; and a second solution including water, a predetermined ratio of water soluble acid, a predetermined ratio of water dispersible polymer, a predetermined ratio of water soluble hydrotrope, and a predetermined ratio of at least one water soluble flocculating agent. A method of using the two-part formulation includes preparing the two-part formulation, allowing the first solution to contact the hydrocarbon or chemical contaminate; allowing the second solution to contact the first solution and contaminate to form a homogeneous mixture; and removing the homogeneous mixture. | 10-01-2009 |
| 20090304450 | Method of Recycling Exhaust Emissions - An emissions recycling system is used on a vehicle towing an agricultural implement to enrich the fertility of the soil. The system includes an exhaust collector for collecting exhaust emissions from the internal combustion engine of the towing vehicle and an exhaust distribution system for injecting at least a portion of the exhaust emissions collected by the exhaust collector into the ground worked by the ground working tools of the agricultural implement. Fertility of the soil is enriched by bioactivity within the soil's micro flora which consumes the greenhouse gas and emissions. | 12-10-2009 |
| 20100003082 | Method and Compositions for Treatment of Subsurface Contaminants - Compositions and methods are provided for oxidizing subsurface contaminants. Compositions include compatible combinations of surfactants, cosolvents and chemical oxidants. Compositions have been identified that provide compatible combinations of surfactants and chemical oxidants that maximize oxidant productivity on solubilized contaminants. The compositions and methods are especially effective on the treatment of dense non-aqueous phase liquids or DNAPLs. | 01-07-2010 |
| 20100028083 | Soil Remediation - The present invention relates generally to a method of soil remediation or bioremediation | 02-04-2010 |
| 20100189510 | SOIL TREATMENT METHOD - A method for treating soil at a site contaminated with organic contaminants, comprises: (a) determining site characteristics, and sampling a volume of soil; (b) determining soil characteristics, and identifying and quantifying contaminants; (c) selecting a treatment composition appropriate to the contaminants and soil and site characteristics; (d) calculating an effective amount of treatment composition appropriate to the contaminants and soil and site characteristics, and in the range of from 2% to 12% by weight, relative to the weight of soil being treated; (e) excavating a volume of contaminated soil from the site; (f) combining the effective amount of treatment composition with the excavated soil; (g) mechanically mixing the excavated soil with the treatment composition; and (h) aerating the treated soil; and optionally: (i) conditioning the treated soil; and at least one of: (j) back-filling the site with the treated soil; (k) storing the treated soil; (1) disposing of the treated soil; and/or (m) transporting said treated soil for use at a further site. | 07-29-2010 |
| 20100189511 | DRY ACID SOIL TREATMENT COMPOSITION - According to one aspect of the present invention, a soil treatment composition is provided. In one embodiment, the soil treatment composition includes an acidic material containing at least one organic acid and at least one inorganic acid, and a plurality of substrate particles supporting the acidic material. In another embodiment, the substrate particles are sized to be retained on a 100 mesh sieve. In yet another embodiment, the organic acid includes an oxalic acid, a citric acid, or combinations thereof. In yet another embodiment, the soil treatment composition further includes a soil/plant nutrient material. | 07-29-2010 |
| 20100209195 | IN-SITU SURFACTANT AND CHEMICAL OXIDANT FLUSHING FOR COMPLETE REMEDIATION OF CONTAMINANTS AND METHODS OF USING SAME - The present invention relates to the removal of subsurface contaminants and methods of using 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 concentration surfactant solution (and methods of making and using novel surfactant solutions) followed by an abiotic polishing process to thereafter achieve a substantially reduced subsurface contaminant concentration that surfactant flushing alone cannot achieve. The present invention is focused on remediation of high viscosity hydrocarbons, such as heating oils or coal tars, with a combination of pre-injection of bio-co-solvent and surfactant (and polymer) flush approach. | 08-19-2010 |
| 20100232883 | POLYMER COATED NANOPARTICLE ACTIVATION OF OXIDANTS FOR REMEDIATION AND METHODS OF USE THEREOF - Methods of decreasing the amount of one or more contaminants in contaminated soil comprise introducing polymer-coated nanoparticles into the contaminated soil, optionally with other reagents. The polymer-coated nanoparticles exhibit an enhanced ability to migrate through the soil and provide greater control of the rate of activation of other chemicals, such as oxidants, in the contaminated soil. | 09-16-2010 |
| 20100316447 | INORGANIC-ORGANIC BINDER, METHOD FOR THE PRODUCTION THEREOF, AND USE THEREOF - A process for the preparation of a binder comprising a heterocondensate of (i) a hydrolysable silicon compound having at least one nonhydrolysable organic radical without polymerizable group and (ii) a metal and/or boron compound. The process comprises hydrolyzing (i) with water, adding (ii) to the resultant reaction mixture after the water in the reaction mixture is substantially consumed, and, optionally, adding an organic binder component to the heterocondensate and/or a precursor thereof. | 12-16-2010 |
| 20100329790 | Treatment and Prevention Systems for Acid Mine Drainage and Halogenated Contaminants - Embodiments include treatments for acid mine drainage generation sources ( | 12-30-2010 |
| 20110044761 | Soil remediation through surface modification - Composition and process of surface modification of soil particles by coating to improve fertility, better moisture and nutrients retention, flooding resistance, and longer freeze-thaw-freeze cycle life. | 02-24-2011 |
| 20110091283 | OXIDATION OF ENVIRONMENTAL CONTAMINANTS WITH MIXED VALENT MANGANESE OXIDES - Methods and compositions for reduction of contaminants using manganese-based octahedral molecular sieves. | 04-21-2011 |
| 20110110723 | GREEN SYNTHESIS OF NANOMETALS USING FRUIT EXTRACTS AND USE THEREOF - The present invention relates to methods of making and using and compositions of metal nanoparticles formed by green chemistry synthetic techniques. For example, the present invention relates to metal nanoparticles formed with solutions of fruit extracts and use of these metal nanoparticles in removing contaminants from soil and groundwater and other contaminated sites. | 05-12-2011 |
| 20110170953 | METHOD AND SYSTEM FOR REMOVING LIQUID HYDROCARBONS FROM CONTAMINATED SOIL - A method for removing a liquid hydrocarbon from a contaminated soil that includes the steps of disposing the contaminated soil and liquid within a vessel, disposing a hydrophobic oleophyllic sorbent upon a surface of the liquid, agitating the contaminated soil for a period of time sufficient to allow substantially all of the liquid hydrocarbon within the contaminated soil to contact the liquid, float to the surface of the liquid, and be sorbed by the hydrophobic oleophyllic sorbent, and removing the sorbent, cleaned water and cleaned soil from the vessel. | 07-14-2011 |
| 20110176872 | PROCESS FOR WETTING A WATER REPELLENT SOIL - Water repellent soils may be treated with an aqueous wetting composition comprising from 10 to 100,000 ppm of an anionic derivative of alkyl polyglycosides to improve the ability of the soil to be penetrated by water. This composition may also be combined with certain known wetting agents to produce a synergistic wetting effect. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b) | 07-21-2011 |
| 20110176873 | METHOD OF REMEDIATING CYANIDE-CONTAMINATED SOIL - Provided is a method of remediating cyanide-contaminated soil. The method is provided to remediate soil contaminated with cyanide and treat the cyanide, which includes collecting the soil contaminated with first cyanide in a solid state and second cyanide in a gaseous or dissolved state, dissociating cyanide by mixing the soil with an alkali washing solution, dissolving the first cyanide in a solid state in the washing solution, and transferring the second cyanide in a dissolved state dissociated from the soil to the washing solution, dissociating the soil from the washing solution, precipitating the first cyanide in a solid state by acidifying the washing solution containing the cyanide, and performing post-treatment on the first cyanide after the first cyanide precipitated in a solid state is dissociated from the washing solution. | 07-21-2011 |
| 20110182670 | SOIL REMEDIATION PROCESS - The invention provides a process for remediation of sites contaminated with metals such as former industrial sites and mines. In particular the invention provides a process for site remediation comprising the steps of: (a) adding metal-binding particles to a site containing one or more metal contaminants such that at least some of the one or metal contaminants are sequestered by the particles, and (b) populating the site with plants. The use of the particles of the present invention in association with plants, and microbiota associated with the plant roots can achieve sustainable phytostabilisation of contaminated sites. | 07-28-2011 |
| 20110243665 | Acidification pre-treatment for UV water disinfection - A pre-treatment method injecting sulfur dioxide into waters containing suspended solids to undergo ultra violet disinfection to form sulfurous acid (H | 10-06-2011 |
| 20110274497 | SUBSURFACE CONTAMINANT CAPTURE COMPOSITION - Compositions and methods of using such compositions for treating subsurface soil in an aquifer to remove contaminants that may be present in water of the aquifer. The composition includes a first solution and a second solution. The first solution includes at least one chemical capable of being effectively bound to soil to form a sorbent matrix by reacting in the subsurface. The second solution includes at least one chemical capable of reacting with at least one of the chemicals in the first solution in order to create the matrix. The first and second solutions are chosen so as to react on a time scale allowing at least one chemical in the first solution to bind to the soil. | 11-10-2011 |
| 20120014750 | DECONTAMINATION/BIOREMEDIATION OF SOILS AND/OR WATERS CONTAMINATED BY ORGANIC AND/OR INORGANIC COMPOUNDS - Decontamination/bioremediation of soils contaminated by organic and/or inorganic compounds includes the addition of a natural substrate containing nutrients to the contaminated soil, a period of time of anaerobic rest of said soil with control of the oxidation-reduction potential, of the humidity rate, of the field capacity and of the temperature, and thereafter the aeration of same; also decontaminated/bioremediated are surface or underground waters contaminated by organic and/or inorganic compounds, as the method for the bioremediation of contaminated soil is provided as the natural substrate containing nutrients and added to the soil reaches the level of the water and/or aquifer table contaminated by the organic and/or inorganic compounds, thus inducing the bioremediation thereof. | 01-19-2012 |
| 20120163918 | Remedial composition and treatment method - A remedial composition comprising a soluble silicate, a surfactant, a polyol and water is disclosed. The remedial composition of the present invention is generally intended for use in the treatment of soil, sand, water, fly ash and other mediums that may contain hazardous materials. In one embodiment of the present invention the soluble silicate of the remedial composition has a mole ratio of about 2.6 to about 3.9 moles silicate per mole of alkali metal oxide. In another embodiment of the present invention the remedial composition will have a pH level ranging from about 10.5 to about 11.9. In another embodiment the water component further comprises from about 0.5% to about 15% dissolved oxygen (O | 06-28-2012 |
| 20120183354 | METHOD OF REDUCING NITRATE LEACHING FROM SOIL - This invention relates to uses of waste products obtained when biodiesel is generated for reducing nitrate leaching from soil. | 07-19-2012 |
| 20120282031 | SURFACE TREATMENT COMPOSITIONS AND PREPARATION METHODS - Surface treatment compositions and their methods of preparation. Such surface treatment compositions can comprise a solid cross-linking agent and a water-soluble polymer. Such solid cross-linking agent can include a plurality of dialdehyde residues, and the water-soluble polymer can include a plurality of pendant groups capable of covalently bonding with the solid cross-linking agent. The surface treatment compositions can further comprise a fibrous material. Applications for such surface treatment compositions include soil erosion prevention, dust control, and landfill cover. | 11-08-2012 |
| 20120308306 | Lubricated Soil Mixing System and Methods - Described herein are tools, systems and methods for conditioning, strengthening and/or improving in situ soil geotechnical or agricultural properties while at least temporarily reducing soil density, energy requirements and tool wear. | 12-06-2012 |
| 20130045052 | SYSTEM AND METHOD FOR TREATING AN EXCAVATION ACTIVITY - A system for treating an excavation activity includes a distribution network in fluid communication with the excavation activity. A foaming agent and a reagent are supplied to the distribution network to form a reagent-foam mixture. The reagent is selected to react with at least one of sulfides, bacteria, or heavy metals or to coat particulate materials. A method for treating an excavation activity includes flowing a foam through a distribution network in fluid communication with the excavation activity and selecting a reagent to react with at least one of sulfides, bacteria, or heavy metals or to coat particulate materials. The method fluffier includes mixing the reagent with the foam flowing through the distribution network to form a reagent-foam mixture and dispersing the foam-reagent mixture over at least a portion of the excavation deposit. | 02-21-2013 |
| 20130045053 | METHOD AND APPARATUS FOR REMEDIATING ORGANIC LOADING OF MARINE SEDIMENTS - An apparatus comprises at least one cutting jet configured to inject a fluid into a first layer of soil below a surface layer of underwater soil in a first region. At least one soil extractor is configured to remove at least a portion of the injected fluid and a portion of the first layer of soil in the first region. A mixing manifold is provided for mixing the removed portion of the injected fluid and the removed portion of the first layer of soil. A discharge is provided for depositing the mixed fluid and soil over the surface layer of underwater soil. | 02-21-2013 |
| 20130170911 | METHOD OF RESTORING CONTAMINATED LAND - A method of restoring contaminated land, for example landfill ( | 07-04-2013 |
| 20130183099 | METHOD AND SYSTEM FOR THE REMEDIATION OF CONTAMINATED EARTH FROM HAZARDOUS SUBSTANCES IN A BATCH-WISE EX-SITU ON-SITE MANNER - Method and system for the remediation of contaminated earth from hazardous substances in a batch-wise ex-situ on site manner. At least one mobile earth moving equipment, at lest one mobile tumbler reactor and at least one liquid-solid separator are organised at a location in the proximity of the contaminated site. Contaminated earth portions are collected from the contaminated site batch by batch in the mobile earth moving equipment and transferred to the mobile tumbler reactor at the location. The contaminated earth portions in the mobile tumbler reactor are dosed with cleaning agents and water washed in the reactor under agitation or tumbling. The mixture of water washed earth portions and wash water with cleaning agents transferred into the liquid-solid separator and the wash water with the cleaning agents is separated from the mixture in the separator. The cleaned earth portions in the separator are transferred into the earth moving equipment, transported back to the contaminated site and deposited at the contaminated site until the entire contaminated earth at the contaminated site is remedied. | 07-18-2013 |
| 20140112720 | Process for the removal of hydrocarbons wetlands - A method of wetland remediation with contaminated soils, sands, and water wherein the decontamination process includes removing contaminated soil from the wetlands removing oversized rocks and debris and converting the remaining contaminated soil into uniformly sized particles, spraying the soil particles with an oxidizer diluted with ionized water, vigorously mixing the sprayed soil particles with its entrained oxidizer and ionized water in an auger mixer for several minutes thereby oxidizing almost all of the hydrocarbons remaining in the soil, and removing the washed and hydrocarbon-free soil particles from the auger mixer to be placed back into the wetland environment wherein the treatment water is subject to ionization by passing water thru an Ion Collider and then placing man-made floating islands with natural wetland plants and grasses for on-going phytoremediation and natural remediation. | 04-24-2014 |
| 20140294509 | BANKING STRUCTURE USING ROCKS PRODUCING ACID DRAINAGE - Provided is a banking structure using a rock producing acid drainage. The banking structure includes a banking layer including the rock having acid drainage production possibility and an inhibitor for reducing acid drainage production potential of the rock, a capillary breaker layer stacked between a lower portion of the banking layer and an underground water level surface to prevent underground water from being introduced into the banking layer by a capillary phenomenon, and a finishing layer stacked on an upper portion of the banking layer according to a use thereof. | 10-02-2014 |
| 20140321915 | Contamination treatment for soil - Underground contamination can be treated with soil amended with oxygen gettering material. The treated soil can act as a reactive medium, creating a favorable environment to remove the contamination, such as breaking down the contamination into less harmful or harmless substances. | 10-30-2014 |
| 20140321916 | SYSTEM AND METHOD FOR REMEDIATING CONTAMINATED SOIL BY SEPARATION OF HIGHLY CONTAMINATED COARSE SOIL - The present invention relates to a system and method for remediating contaminated soil through separation and process of highly contaminated coarse soil, the system including: a screen adapted to separate the contaminated soil introduced into soil having given particle sizes; multiple hydrocyclones adapted to re-separate the soil having particle sizes of more than the given values by particle size from the soil having the given particle sizes separated through the screen; a remediating unit adapted to wash the soil separated through the multiple hydrocyclones by particle size; and a filtering unit adapted to separate water from the soil washed through the remediating unit. | 10-30-2014 |
| 20140377007 | PHOTOCATALYTIC FILM FOR SOIL FUMIGATION - The present invention relates to a photocatalytic film including at least one polymer layer (1) including at least one photocatalyst, said layer being pervious to both the vapours of at least one fumigating compound and ultraviolet radiation capable of activating the photocatalyst. The present invention also relates to a method for treatment by fumigation using said photocatalytic film and at least one fumigant. | 12-25-2014 |
| 20150010358 | AGRICULTURAL FUMIGATION USING A MULTILAYER FILM INCLUDING A PVDC VAPOR BARRIER - Methods for fumigating soil include providing a fumigant including at least one volatile substance into or onto soil and applying over the soil a multilayer polymeric film to form a vapor barrier between the fumigant-treated soil and the atmosphere to at least partially contain the fumigant. The multilayer film includes at least one barrier layer comprising at least one vinylidene chloride polymer and protecting layers on each side of the barrier layer. The multilayer film preferably has at least one UV protecting layer and optionally at least one reflective layer. | 01-08-2015 |
| 20150078827 | Induction heating system for thermal desorption processes - Contaminate soil can be treated using inductive energy. An inductive generator can generate inductive power to heat inductively heatable elements disposed in the contaminate soil or in a soil box. Input treatment gas can pass through the heated soil to remove contaminants in the soil to the exhaust. The inductively heatable elements can be placed in a mesh conduit, which can heat the input treatment gas. | 03-19-2015 |
| 20150110560 | METHOD FOR THE RADIOACTIVE DECONTAMINATION OF SOIL BY DISPERSED AIR FLOTATION FOAM AND SAID FOAM - The present invention relates to a process for treating an earth contaminated by at least one radionuclide such as cesium | 04-23-2015 |
| 20150132063 | PROCESS FOR TREATING POLLUTED SOILS BY MEANS OF A SULFOALUMINATE CLINKER BASED HYDRAULIC BINDER AND USE THEREOF FOR STABILIZING POLLUTED SOILS - A process for treating polluted soils, in particular soils with a leachable fraction greater than 0.4%, wherein the leachable fraction contains predominantly anions, in particular sulfate ions, and/or heavy metals, includes mixing the soil with a sulfoaluminate-clinker-based hydraulic binder, in soil/binder weight proportions of between 1 and 40 parts of binder per 100 parts of soil, the sulfoaluminate clinker containing more than 50% by weight of ye′elimite C | 05-14-2015 |
| 20150352610 | MICROBIAL COMPOSITIONS FOR HYDROCARBON REMEDIATION AND METHODS OF USE THEREOF - The present invention relates to microbial compositions and a process for reducing hydrocarbon contamination. | 12-10-2015 |
| 20160144413 | Methods of using hydrogen peroxide for in-situ chemical oxidation treatment of soil and groundwater - Disclosed are methods of custom stabilization of the hydrogen peroxide used in the safe in-situ treatment of soil and groundwater. In one embodiment, disclosed is a method of in-situ chemical oxidation treatment of soil and/or groundwater wherein the hydrogen peroxide has been stabilized with carboxylate salt (e.g., sodium citrate, sodium malonate, or sodium phytate). Procedurally, chemical daylighting is avoided by: (a) mixing a batch of aqueous hydrogen peroxide solution with a carboxylate salt; (b) injecting the solution into a subterranean location; (c) allowing iron that is naturally present in the in-situ environment to mix with the solution; (d) controlling the subsurface pressure and temperature within the in-situ environment; (e) manipulating the concentration of carboxylate salt in the remainder of the hydrogen peroxide batch (as necessary), wherein the concentration of carboxylate salt defines the life-span of the hydrogen peroxide, and helps to control the subsurface reaction and minimize the possibility of chemical daylighting | 05-26-2016 |
| 20160375471 | Controlled Verified Remediation of Excavated Spoil - A system and method for controlled verified remediation of excavated contaminated spoil using a sorbent in a verified process of testing and analysis of spoil before and after remediation and of adjusting amounts of sorbent and supplemental water mixed with contaminated spoil. | 12-29-2016 |
| 20160375472 | A Supercritical Fluid Extraction System and Method - A contaminant extraction system has been disclosed for a material containing a soluble contaminant, comprising; an elongate housing and a pressurised treatment chamber located within at least part of the elongate housing. The treatment chamber has a closeable inlet and a closeable outlet, whereby the closeable outlet is spaced apart from the closeable inlet. At least one further inlet is provided for enabling the insertion of a fluid into the treatment chamber. The fluid is sustainable in a solvent state so as to enable extraction of the soluble contaminant. A pressure controller is also provided for maintaining the pressure within the treatment chamber at a predetermined value so as to maintain the fluid in the solvent state. | 12-29-2016 |
| 405128800 | With heat | 4 |
| 20100098495 | Method for modifying Nomal Clay and a method for Producing Composite Elastomer from the Clay - A method for modifying soil and a method for producing composite Elastomer of the soil are disclosed. The method for modifying soil includes drying, pulverizing, sieving, and purifying the soil to obtain soil powder, then dynamically heating the powder and adding surfactant, which includes coupling agent, polysiloxane having reactive functional, emulsifier of organosilicon and aliphatic amine, and water, and then drying the above obtained powder to obtain modified soil. The modified soil and acrylic acid copolymer emulsion are mixed with plasticizer, foaming agent, etc. to form a composite body which is used to produce elastomer floor board, elastomer wall brick, composite soil skin material, and so on. No emission of toxic gas and evaporation of organic solvent can be attained during production and use of the invention, and performance of the product is same as or has superiority over rubber in compression deformation rate, rebound elasticity and durability. | 04-22-2010 |
| 20140133916 | SYSTEMS AND METHODS FOR TREATING CONTAMINATED MATERIALS - Systems for treating contaminated soil are described herein. One system includes a soil chamber that includes one or more walls and at least one floor; at least one heater attached to or inside of at least one of the walls; and at least one heater coupled to or in the floor. Two or more of the walls enclose an interior of the soil chamber. At least one of the walls is configured to move between a closed position during heating of the soil chamber, and an open position that allows a soil moving vehicle to access an interior of the soil chamber to provide or remove soil to and from the soil chamber. At least one wall heater and at least one floor heater provide heat that transfers from the heaters to the contaminated soil in the soil chamber. | 05-15-2014 |
| 20140219724 | Hydrocarbon removal process - A remediation process wherein fresh water is pumped into a tank for heating by a heater and pumped to Filter and UV Light and reactor producing cavitation and then pumped to a chemical mixing tank wherein a promoter oxidizers is added before solution is pumped from mixing tank to spray injectors for treating contaminated soil. | 08-07-2014 |
| 20160023255 | FEEDBACK LOOP CONTROL FOR SOIL EVAPORATIVE DESORPTION - Active or closed feedback/feed forward loop controls may be used to improve operation of a thermal desorption process. Characteristics of the thermal desorption process may be monitored, e.g., carbon monoxide concentration, and then may be used to predict the end point of the thermal desorption process. Inputs and effluent treatment elements may also be modulated to further optimize the treatment time and quality (completeness) and to avoid any unwanted effects associated with excess processing. Post-treatment gas comprising non-condensed condensable hydrocarbon contaminants may be recycled as pre-treatment gas or used to heat fresh air. Mean free paths of the exhaust gas exiting a thermal desorption chamber are restricted to limit the flame propagation and explosion fronts. Temperature and concentration of flammable elements may be monitored and controlled to prevent explosion hazards. An isolation valve and a pressure relief chimney may also be coupled to the exhaust of the thermal desorption chamber. | 01-28-2016 |
