System and method for decontamination of contaminated ground
May 16, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesGas production by accelerated in situ bioleaching of landfills Filtering method and apparatus Waste disposal landfill Process for recovering gases from landfills Method and apparatus for the purification of waste air containing biologically decomposable impurities Method of removing contaminants from contaminated soil in situ Oxidation of toxic compounds in water Apparatus and method for confining and decontaminating soil Bioremediation system Flooded biological film reactor for water treatment, with gas charging via a membrane InventorApplicationNo. 701110 filed on 05/16/1991US Classes:405/128.3, At spaced locations210/615, Utilizing contact surfaces supporting microorganism (e.g., trickling filter, etc.)210/629, And internally circulating the liquid210/760, Utilizing ozone435/266Treating gas, emulsion, or foamExaminersPrimary: Taylor, Dennis L.Assistant: Ricci, John A. Attorney, Agent or FirmForeign Patent References
International ClassB10D 003/38AbstractA 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 environmental hazard of the contaminant. Contaminants are preferably treated by non-thermal oxidation. Residual soil gas, including any oxygen, unoxidized contaminants, and oxidation products (water vapor and carbon dioxide) are returned to the ground, where unoxidized contaminants are subject to oxidation by soil microorganisms. The returned residual soil gas is recirculated through the decontamination system.Field of SearchIncluding collecting or storing gas (e.g., fuel, carbon monoxide, etc.)Utilizing contact surfaces supporting microorganism (e.g., trickling filter, etc.) Particulate media In bed form And internally circulating the liquid And additional treating agent other than mere mechanical manipulation (e.g., chemical, sorption, etc.) Utilizing ozone Treating gas, emulsion, or foam |
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