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| Number | Title | Issue Date |
| 7332095 | Wet oxidation An oxidation process is described which involves subjecting a feedstock which contains oxidizable material to temperature, pressure and contact with an oxidant. Excess water and volatile oxidation products, such as carbon dioxide, formic acid and acetic acid, are re... | 02/19/2008 |
| 7326391 | Process for recovery and recycle of ammonia from a vapor stream A process for the recovery of unreacted ammonia from the effluent from a reaction zone used to produce acrylonitrile or methacrylonitrile comprising quenching the reactor effluent with an aqueous solution of ammonium phosphate in at least two stages, thereby capturi... | 02/05/2008 |
| 7276165 | Method and plant for biological treatment of aqueous effluents for purification thereof The invention relates to a method for the biological treatment of effluents contaminated with impurities of urban or industrial origin, characterised in employing a single aeration tank (1) with a high mass charge in which the raw effluent or mechanically pre... | 10/02/2007 |
| 7264736 | Removal of non-water soluble substances from solutions of aqueous metal extracts The invention relates to methods and a device for the removal of non-water soluble substances from solutions of aqueous metal extracts, by addition of at least one water-soluble cationic polyelectrolyte, containing a diallylaminoalkyl(meth)acrylamide, neutralized or... | 09/04/2007 |
| 7252771 | Method and device for decontaminating waters which are loaded with organic halogen compounds (halogenated hydrocarbons) The invention relates to a process and a device for decontaminating waters, especially groundwaters, which are heavily and complexly polluted with organic halogen compounds (HHC), in which process the contaminated waters are pre-treated in order to convert low-volat... | 08/07/2007 |
| 7247240 | Method for treating waste water The invention provides a method for treating waste water wherein organic and inorganic substances in waste water can be treated at high levels regardless of the concentration, and a unit itself can be made compact. The method of the invention is a method for treatin... | 07/24/2007 |
| 7235181 | Metal powder for decomposition of organic halogen and method for manufacturing the same The present invention is to provide metal powder capable of decomposing and remedying various range of organic halogen compounds including organic halogen compounds which are difficult to be decomposed by a conventional decomposition and remediation method. Metal po... | 06/26/2007 |
| 7204929 | Method for treating an effluent, especially a radioactive effluent, containing organic matter Method of treating an aqueous effluent containing organic matters in solution, comprising the following successive steps: the effluent is rendered basic; the effluent rendered basic is mineralized by being brought ... | 04/17/2007 |
| 7163628 | Water ozonation and bioremediation system and associated methods A method of treating water includes exposing influent comprising water desired to be treated to ozone in sufficient quantity to disrupt cell walls of undesired microorganisms therein, thereby releasing nutrients from within the microorganisms in a form amenable to b... | 01/16/2007 |
| 7144509 | Process and apparatus for waste water treatment Method and apparatus for treating contaminants in water under anaerobic conditions is disclosed. The method includes adding to contaminated water a composition including an aqueous mixture of at least one carbohydrate and at least one alcohol and/or bacteriastat. Th... | 12/05/2006 |
| 7029588 | Oxidizing solution and process for contaminants My invention provides an oxidizing solution and process for the in situ oxidation of contaminants, including hydrocarbon, organic, bacterial, phosphonic acid, and other contaminants, the contaminants being found in various surfaces and media, including soil, sludge,... | 04/18/2006 |
| 7029589 | Universal method and apparatus for conversion of volatile compounds A method or process of treating a contaminated fluid (10) having at least one contaminant having a property selected from the group consisting of being volatile, hazardous, tacky and a combination thereof is provided. The method comprises contacting the conta... | 04/18/2006 |
| 7022241 | Gas-gas-water treatment system for groundwater and soil remediation A sparging system for in-situ groundwater remediation for removal of contamination including dissolved chlorinated hydrocarbons and dissolved hydrocarbon petroleum products including the use in injection wells of microfine bubble generators, matched to substrates of... | 04/04/2006 |
| 7014767 | Water ozonation and bioremediation system and associated methods A method of treating water includes exposing influent comprising water desired to be treated to ozone in sufficient quantity to disrupt cell walls of undesired microorganisms therein, thereby releasing nutrients from within the microorganisms in a form amenable to b... | 03/21/2006 |
| 7014752 | Water treatment control system for minimizing trihalomethane formation A water treatment control system for minimizing trihalomethane formation includes chlorine injection equipment having a plurality of chlorine injectors (11d, 12, 13), a fluorescence analyzer 7 provided on the upstream of the chlorine inje... | 03/21/2006 |
| 7005068 | Method and apparatus for treating animal waste and wastewater Novel methods and apparatuses are disclosed for the treatment of wastewater to reduce often associated offensive odors by promoting aerobic conditions through decreasing the amount of oxygen required to maintain aerobic cultures and/or aerobic biological activity in... | 02/28/2006 |
| 7001519 | Integrated closed loop system for industrial water purification The present invention relates to an integrated closed loop system for aquaculture in at least one culturing tank and using continuous bioreactor technology for the biological treatment and removal of organic material, nitrogen and phosphorous, comprising: an integra... | 02/21/2006 |
| 6998050 | Method of treating fats and oils The present invention provides a method of treating fats and oils containing low concentrations of aromatic halogen compounds and other contaminants by contacting the fats or oils with an adsorbing agent. The adsorbing agent contains a porous body and a non-protonic... | 02/14/2006 |
| 6984329 | Coated microbubbles for treating an aquifer or soil formations A microporous diffuser includes a first elongated member including at least one sidewall having a plurality of microscopic openings. The sidewall defines an interior hollow portion of the member. The diffuser has a second elongated member having a second sidewall ha... | 01/10/2006 |
| 6977049 | Treatment process for industrial waste stream A process for treating an industrial waste stream containing a borane compound including contacting the industrial waste stream with a resin carrying an oxidation catalyst that is capable of oxidizing the borane compound to boric acid. ... | 12/20/2005 |
| 6955796 | Process for total environmental remediation of a phosphorus contaminated site A process is disclosed for recovering elemental phosphorus from an aqueous sludge and converting the residue into non-hazardous waste. The sludge is separated into (1) a slurry of water containing suspended phosphorus and dirt particles and (2) coarse solids. A floc... | 10/18/2005 |
| 6946080 | Poultry processing water recovery and re-use process This invention is directed to processes designed to recover water used in certain aspects of the processing of poultry, treat the recovered water to remove solids, fats, oils and greases, animal proteins and pathogenic organisms and to reuse the treated water for po... | 09/20/2005 |
| 6929748 | Apparatus and method for continuous electrodeionization A method of water purification including the steps of passing source water through at least one reverse osmosis unit to produce a product water and reject water, directing the product water from a reverse osmosis unit into the dilution stream of a continuous electro... | 08/16/2005 |
| 6913698 | Method for reducing COD (chemical oxygen demand) in waste water by using O3 with valent ion chelation Techniques for treating waste water by adding a valent ion, such as CaO/CaCO3, which depends on the pH value of the waste water, to reduce the chemical oxygen demand (COD) are provided. Organic acid intermediates formed from the oxidization of organics wi... | 07/05/2005 |
| 6913699 | Process for selectively removing functionalized organic compounds from a liquid medium The present invention is directed to a process and device for selectively removing at least one functionalized organic compound present in a liquid medium. More specifically the present invention is useful for removing functionalized organic compounds, that may accu... | 07/05/2005 |
| 6905598 | Porous grog composition, water purification device containing the porous grog and method for making same A porous grog with a body composition of water, clay and combustible material. Further, an earthenware water purification filter utilizing the porous grog in the body composition of the filter. A water purification system incorporating said filter, said water purifi... | 06/14/2005 |
| 6902679 | Treatment of water containing organic wastes with aromatic amine nitrate salts A process for wet oxidation of a waste stream containing organic carbon and organic or inorganic nitrogen-containing pollutants which comprises initially removing organic or inorganic nitrogen-containing pollutants using a nitrate salt of an aliphatic or aromatic am... | 06/07/2005 |
| 6881338 | Integrated tidal wastewater treatment system and method A wastewater treatment system includes a first lagoon having an inlet for receiving wastewater to be treated and a first vertical flow marsh cell having a bottom outlet. Water can be transported from the first lagoon to the first marsh cell. A second lagoon has an i... | 04/19/2005 |
| 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 |
| 6860997 | Apparatus and method for processing organic materials A method and apparatus for processing organic materials by anaerobic digestion is disclosed. The apparatus comprises a first covered fluid container, such as a retention pond covered with an oxygen impervious membrane. An aqueous slurry comprising anaerobically dige... | 03/01/2005 |
| 6858144 | Method and apparatus for treatment of wastewater The present invention provides a method for treatment of wastewater containing organic sulfur compounds The method includes introducing the wastewater into an apparatus body equipped with a fixed bed in which fixed carriers for the attachment of microorganisms are f... | 02/22/2005 |
| 6827861 | Gas-gas-water treatment system for groundwater and soil remediation A sparging system for in-situ groundwater remediation for removal of contamination including dissolved chlorinated hydrocarbons and dissolved hydrocarbon petroleum products including the use in injection wells of microfine bubble generators, matched to substrates of... | 12/07/2004 |
| 6824683 | Anaerobic treatment of wastes containing insoluble components A process of waste treatment which includes the following steps: (a) passing waste material comprising an insoluble component through an anaerobic bioreactor system including a plurality of bioreactors in series and maintaining said insoluble component as a suspensi... | 11/30/2004 |
| 6815050 | Porous composite product for the absorption of organic compounds A product for the selective and rapid removal of toxic chlorocarbon compounds from fluid streams is provided in the form of a self supporting porous composite structure containing a multitude of water absorbent particles of cellulosic origin interbonded by hydrophil... | 11/09/2004 |
| 6814875 | Method and device for treating waste liquid, solvent separator, and cleaning device using thereof A solvent separator includes an introduction member which introduces a mixture including chlorine containing organic solvent and water; a separation unit including a separation member made of a water-repellent and/or lipophilic porous material, which carries out the... | 11/09/2004 |
| 6802984 | Poultry processing water recovery and re-use process This invention is directed to processes designed to recover water used in certain aspects of the processing of poultry, treat the recovered water to remove solids, fats, oils and greases, animal proteins and pathogenic organisms and to reuse the treated water for po... | 10/12/2004 |
| 6790347 | Batch style wastewater treatment apparatus using biological filtering process and wastewater treatment method using the same Provided is a wastewater treatment apparatus including a bottom portion and a plate formed above and spaced apart from the bottom portion to form a lower chamber with the bottom portion, an outlet installed on the bottom portion for drawing off water and sludge in t... | 09/14/2004 |
| 6783676 | Pre- and post-treatment system and method for aquatic plant filtration using ozone A process for treating water to remove concentrations of nutrients and pollutants using ozone prior or after the water is exposed to natural filtration by periphyton or other aquatic plants. A system employs a deep water tank containing water to be treated is inject... | 08/31/2004 |
| 6783686 | Method for removing the gasoline additive MTBE from water using molecularly imprinted polymers A method and product for removing at MTBE molecules from a solution, such as a contaminated aquifer, includes exposing the solution to a plurality of molecularly imprinted polymer beads (MIPS) that have receptor sites on the surfaces thereof that include imprints th... | 08/31/2004 |
| 6780329 | Treating an aquifer or soil formations A microporous diffuser includes a first elongated member including at least one sidewall having a plurality of microscopic openings. The sidewall defines an interior hollow portion of the member. The diffuser has a second elongated member having a second sidewall ha... | 08/24/2004 |
