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| Number | Title | Issue Date |
| 7968760 | Treatment of particulate biodegradable organic waste by thermal hydrolysis using condensate recycle A method of treating particulate biodegradable organic waste by thermal hydrolysis. The method includes subjecting a quantity of the particulate biodegradable waste to thermal hydrolysis at a temperature above about 130° C. and a pressure at or above the saturated ... | 06/28/2011 |
| 7674946 | Method of remediating soil contaminated with polyhalogenated hydrocarbons Method of remediating a soil contaminated by polyhalogenated hydrocarbons, in particular PCBs, PCDDs and PCDFs, comprising the steps of removing and sieving the soil to free it of stones and gravel; possibly regulating the moisture content of the sieved soil to a va... | 03/09/2010 |
| 7531708 | Mediated electrochemical oxidation for decontamination A mixed waste mediated electrochemical oxidation process (MEO) process and apparatus for the dissolution of transuranic elements, and/or compounds thereof in transuranic waste, low level waste (LLW), low level mixed waste, special case waste, and greater than class ... | 05/12/2009 |
| 7399408 | Device for supercritical water oxidation of materials A method and device for oxidization of materials in supercritical water. The method involves a) introducing a fluid containing water and an oxidizing agent in a ring-shaped area and through a first end of a substantially tube-shaped reactor comprising an external wa... | 07/15/2008 |
| 7329395 | Treatment apparatus and treatment method for organic waste A treatment apparatus for organic waste including a reaction vessel for introducing and decomposing organic waste and pulling out decomposed organic waste as a treated fluid. The reaction vessel includes an internal vessel made of corrosion-resistant material, an ex... | 02/12/2008 |
| 7309808 | Process for non-incineration decontamination of hazardous agents A process for the low temperature, non-incineration decontamination of contaminated materials, such as chemical weapon components containing residual quantities of chemical warfare agents. The process includes the steps of (a) contacting the contaminated materials w... | 12/18/2007 |
| 7220396 | Processes for treating halogen-containing gases There are disclosed various processes, apparatuses and systems for treating a halogen-containing gas such as F2 that involve generating a plasma in order to reduce chemically the halogen-containing gas into products that are more environmentally manageabl... | 05/22/2007 |
| 7122167 | Precious metal recovery from organics-precious metal compositions with supercritical water reactant A supercritical oxidation process carried out in water is capable of oxidizing “organics” in precious metal organic compositions such as heterogeneous (Pt/C) or homogeneous precious metal catalysts and producing a precious metal oxide with few by-products and lo... | 10/17/2006 |
| 7033550 | Catalytic exhaust gas decomposition apparatus and exhaust gas decomposition method The catalytic exhaust gas decomposition apparatus spirals an exhaust gas containing therein a substance to be decomposed and a reactant gas, rectifies the spiral flow, and lets the substance to be decomposed contained in the exhaust gas react with the reactant gas a... | 04/25/2006 |
| 7005117 | Method for removing harmful components in an exhaust gas A method of removing harmful components of a perfluorocarbon gas or a perfluorocompound including the step of mixing at least one of a hydrocarbon gas and NH3 gas with an exhaust gas containing a perfluorocarbon or a perfluorocompound discharged from manu... | 02/28/2006 |
| 6958428 | Process for the non-incineration decontamination of materials containing hazardous agents A process for the low temperature, non-incineration decontamination of contaminated materials, such as chemical weapon components containing residual quantities of chemical warfare agents. The process includes the steps of (a) contacting the contaminated materials w... | 10/25/2005 |
| 6660900 | Process for the non-incineration decontamination of materials containing hazardous agents A process for the low temperature, non-incineration decontamination of contaminated materials, such as chemical weapon components containing residual quantities of chemical warfare agents. The process includes the steps of (a) preparing a feed mixture con... | 12/09/2003 |
| 4582004 | Electric arc heater process and apparatus for the decomposition of hazardous materials This invention relates to an electric arc heater process and apparatus for the essentially complete decomposition of hazardous materials including polychlorinated biphenyls. Finely divided liquid or gaseous hazardous material is injected into a primary ga... | 04/15/1986 |
| 4301014 | Phosphorus pentasulfide waste water treatment The process disclosed in this invention takes the waste solids, gases, and water from a phosphorus pentasulfide manufacturing facility and hydrolyzes the phosphorus pentasulfide by heating. The phosphorus portion is converted to a soluble phosphate and th... | 11/17/1981 |
| 4289594 | Treatment of waste compositions Process for treating liquid waste compositions which contain copper ions and a complexing agent for the copper which includes reducing the concentration of copper ions in the waste solution to less than about 8 ppm and contacting the solution with an ozon... | 09/15/1981 |
