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| Number | Title | Issue Date |
| 7798951 | Apparatus for disposal of low-level surface radioactive pollutants An apparatus for disposal of low-level surface radioactive pollutants has a container body which center has accommodating space with opening at its top. Around the accommodating space there is a layer of barrier space for holding water. At the periphery of the barri... | 09/21/2010 |
| 7588527 | Process for the disposal of sulfur in the form of compounds liquid at room temperature Process for the disposal of sulfur in the liquid state which comprises: a) transforming elemental sulfur into sulfanes having the general formula H2Sn+1, wherein n is a number from 1 to 7; b) optionally mixing elemental sulfur in powder form wi... | 09/15/2009 |
| 7431686 | Portable vapor containment structure A portable vapor containment structure has a support frame, at least three wheels to roll the support frame about the ground and wheel retractors for retracting each of the wheels so as to allow the frame to be lowered to the ground. Typically, the apparatus further... | 10/07/2008 |
| 7329399 | Hydrogen trapper compound, method for the production and uses thereof A hydrogen-trapping compound is provided, along with a process for manufacturing the compound, and its uses, wherein the hydrogen-trapping compound is characterized in that it contains at least one metal salt of formula MX(OH), in which M represents a divalent trans... | 02/12/2008 |
| 7163036 | Method of supplying fluorine In a method of delivering high purity fluorine to a processing system, an on-site fluorine generator supplies high purity fluorine to a fixed storage tank, from which the high purity fluorine is supplied to the processing system. To provide a back up to the fluorine... | 01/16/2007 |
| 7156581 | Dynamic remediation of soil and groundwater A method and system for improved environmental remediation. A method comprising establishing an initial remediation protocol; applying at least one initial motive force according to the initial remediation protocol; monitoring the effect on the site resulting from t... | 01/02/2007 |
| 7150855 | Pelletized nitrocellulose (PNC) manufacture and long term storage A method of making pelletized nitrocellulose (PNC) includes preparing a lacquer, the lacquer comprising nitrocellulose (NC), ethyl acetate and ethyl centralite, the NC having a nitrogen content of at least about 12.2%; mixing the lacquer with an antisolvent to there... | 12/19/2006 |
| 7114880 | Process for the excavation of buried waste Disclosed is a method of excavating large quantities of non-homogenous radioactive contaminated waste, desirably without releasing radioactive contaminated dust or exposing personnel to its hazards. The excavation of buried waste is performed in the presence of a su... | 10/03/2006 |
| 7105084 | Hybrid flow pond A passive treatment system for removing metals, especially manganese, from mine drainage and other aqueous solutions. The Hybrid Flow Pond (HFP) is an open, pond-like structure utilizing a horizontal or vertical operational flow path through a bed of treatment media... | 09/12/2006 |
| 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 |
| 7096161 | Pharmaceutical hazardous waste identification and management system A pharmaceutical hazardous waste identification and management system integrates disparate information regarding pharmaceuticals to provide an indication of which pharmaceuticals are hazardous wastes as defined by respective national, international and state regulat... | 08/22/2006 |
| 7074174 | Methods and apparatus for encapsulating hazardous debris A method of collecting, treating, transporting and disposing of hazardous debris which combines the standards of macroencapsulation and microencapsulation and involves the use of a liner to contain hazardous debris together with reagents that reduce leachability of ... | 07/11/2006 |
| 7040856 | Container and method for transporting a syringe containing radioactive material A method and apparatus for transporting syringes containing radioactive material. The apparatus includes a radiopharmaceutical pig having an inner chamber in which a sharps container can be secured. The sharps container has a housing and an attachable cap. The metho... | 05/09/2006 |
| 7017306 | Containment assembly A containment assembly such as a down flow containment assembly including a barrier means between the processing zone and the operator breathing zone at least a first part of which is provided with flexible gloves for access to and maneuverability in the processing ... | 03/28/2006 |
| 6962467 | Method of removal of hydrocarbons from soils using solids loaded polymer foam A method of removal of hydrocarbons from soils using solids-loaded polymer foam. A first step involves providing a solids-loaded polymer foam consisting of an open-celled polymer foam matrix with zeolite dispersed and bound throughout the foam matrix. A second step ... | 11/08/2005 |
| 6948882 | Sensor system for buried waste containment sites A sensor system for a buried waste containment site having a bottom wall barrier and/or sidewall barriers, for containing hazardous waste. The sensor system includes one or more sensor devices disposed in one or more of the barriers for detecting a physical paramete... | 09/27/2005 |
| 6817426 | Low shear treatment for the removal of free hydrocarbons, including bitumen, from cuttings A method for selecting an emulsifier for isolating free hydrocarbons in a given drilling system and a method of using the emulsifiers to treat drill cuttings to isolate free hydrocarbons, including bitumen. ... | 11/16/2004 |
| 6809329 | Container for waste A sealable container for receiving toxic waste for long-term storage is described, the container comprising sheet metal members welded together to form a main fillable volume; four hollow, sheet metal, vertically directed leg portions situated at corner positions on... | 10/26/2004 |
| 6802805 | Method for recombining soil A method for recombining and then solidifying groups of soil particles by utilizing changes in the status and properties of soil particles which comprises a combination (in an adhering state) between soil particles and groups polymers (humin) in an aqueous solution ... | 10/12/2004 |
| 6784444 | Containment and transportation of decommissioned nuclear reactor pressure vessels Apparatus for containing, transporting, and storing or disposing of radioactive machinery, including decommissioned nuclear reactor pressure vessels. An improved, economically-produced container allows easier handling and packaging of machinery within plants where t... | 08/31/2004 |
| 6759564 | Hydrate-based decontamination of toxic gases Areas in which toxic material has been released, particularly in gaseous form but also in liquid form, are decontaminated by forming gas hydrate of the toxic agent. Smaller-molecule toxic agents form sI or sII type hydrates, whereas larger-molecule toxic agents for ... | 07/06/2004 |
| 6714617 | Disposal of radiation waste in glacial ice Encapsulating calcined radioactive waste in strong, corrosion-resistant spheres of dimensions such that heat from the radiation melts the ice at a rate which brings the spheres to the bottom of the permanent icefield in a relatively short time, with the resulting wa... | 03/30/2004 |
| 6695077 | Thermal process for treating hydrocarbon-contaminated drill cuttings Hydrocarbon contaminants in drill cuttings generated in an oil drilling operation are removed by mixing the drill cuttings with an agglomerant to produce a pre-treatment mixture; heating to vaporize the hydrocarbon contaminants under a condition in which ... | 02/24/2004 |
| 6666938 | Lead abatement system and method for application A lead abatement method approved for use by governmental agencies is described. The method id achieved by first applying a highly compliant protective film over a lead contaminated surface. The film includes an exposed layer and an adhesive layer composed... | 12/23/2003 |
| 6617484 | Containment and transportation of decommissioned nuclear reactor pressure vessels and the like Method and apparatus for containing, transporting, and storing or disposing of radioactive machinery, including decommissioned nuclear reactor pressure vessels. An improved, economically-produced container is provided which allows easier handling and pack... | 09/09/2003 |
| 6584988 | Process for removing contaminants from water A process for the remediation of soil, rock or water contaminated with volatile organic compounds involving: (1) forming an emulsifier comprising: (a) a sugar surfactant; and (b) a nonionic surfactant, other than the sugar surfactant which, when combined ... | 07/01/2003 |
| 6576289 | Method and composition for treating volatile waste A process of treating solid material flammable waste is provided in which dry fire retardant admixtures are used to intermix with the material waste so as to lower the burn rate and flammability characteristics of the material waste. The process, in turn,... | 06/10/2003 |
| 6474908 | Chemical oxidation of volatile organic compounds Volatile organic compounds are removed from contaminated soil by introducing one or both of a water soluble peroxygen compound, such as a persulfate, and a permanganate into the soil, either in situ or ex situ, in amounts and under conditions wherein both... | 11/05/2002 |
| 6435769 | Gas-phase modification in earth materials A process for treating earth materials such as rock heaps to prevent acid rock drainage therefrom is disclosed. First, the oxygen concentration in the gas-phase of the rock heap is decreased, that is, displaced and/or depleted. This first step may be acco... | 08/20/2002 |
| 6422789 | Method and apparatus for treatment and remediation of contaminated soils This specification discloses a method and apparatus for the remediation of soil contaminated by pollutants. The method utilizes a unitary mobile remediation apparatus in which the soil is impounded, metered, and transported to be sprayed with a treatment ... | 07/23/2002 |
| 6423531 | Advanced organic-inorganic solid-chemical composition and methods for anaerobic bioremediation The present invention discloses the formulation and use of an advanced solid-media chemical composition which includes both plant-derived and inorganic components which is designed and intended to enhance the removal of a broad range of recalcitrant organ... | 07/23/2002 |
| 6416252 | In situ formation of phosphate barriers in soil Reactive barriers and methods for making reactive barriers in situ in soil for sequestering soil ontaminants including actinides and heavy metals. The barrier includes phosphate, and techniques are disclosed for forming specifically apatite barriers. The ... | 07/09/2002 |
| 6413016 | Methods of extracting liquid hydrocardon contaminants from underground zones Methods of extracting liquid hydrocarbon contaminants from underground zones are provided. The methods are basically comprised of the steps of introducing a hot purge gas into an underground zone containing a pool of liquid hydrocarbon contaminants whereb... | 07/02/2002 |
| 6414211 | Method of packing a nuclear reactor vessel for decommissioning and removal A method of packaging a nuclear reactor vessel for decommissioning and removal, wherein closure plates are installed onto the vessel, concrete is injected into the vessel, shielding material is installed around the exterior of the vessel and the main nozz... | 07/02/2002 |
| 6368019 | Method for soil remediation The present invention provides a method for remedying soil containing a region polluted with a pollutant which comprises a step of injecting into the soil a liquid containing a microorganism having an activity to decompose the pollutant or a liquid contai... | 04/09/2002 |
| 6367518 | Waste disposal system The present invention provides a waste disposal system through the use of a bag 14 with removable glove members 20, 22, a removable and replaceable splash shield 17, a drain line tube 32, and a refill tube 48 in order to service aircraft lavatories. Throu... | 04/09/2002 |
| 6359187 | Method of sealing container for handling radioactive debris A system and method for filling, dewatering and sealing high integrity containers for storing high level radioactive debris has a support structure for receiving a container and a movable hood supported over the support structure. The movable hood is mova... | 03/19/2002 |
| 6344355 | Anaerobic bioremediation system Liquid chemical compositions are disclosed for anaerobic biodegradation, detoxification, and transformation of toxic organic and inorganic compounds in a contaminated geologic media under reducing conditions, including, but not limited to, denitrifying, m... | 02/05/2002 |
| 6338596 | Waste collection device A waste collection device which comprises, inside a pit, a plate for supporting at least one container; the plate is provided with supports adapted to limit its downward motion to a minimum elevation which allows the container to lie fully within the pit;... | 01/15/2002 |
| 6280118 | In situ reactive gate A method and system are described for removing contaminants from the phreatic zone, also known as the saturation zone, or groundwater. A barrier wall is constructed below the ground surface and in the path of flow of a contaminated groundwater plume. A we... | 08/28/2001 |
