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| Number | Title | Issue Date |
| 8173024 | Method and apparatus for conducting supercritical wet oxidation reactions contained within a fluid envelope A method and apparatus for conducting supercritical wet oxidation reactions wherein any precipitated solids do not contact the solid side walls of the containment vessel so as to prevent any of these precipitated solids from adhering to or corrode the vessel walls i... | 05/08/2012 |
| 7708897 | Device and installation for injecting particulate matter into an enclosure and associated method Device, system and method for injecting organic matter into a reaction enclosure (2) of a reactor for treatment using a supercritical water oxidation method. The device comprises a body having an inner volume defining a pressurizing capacity (24) in wh... | 05/04/2010 |
| 7566403 | Process for eliminating nitrogenous organic compounds from salt-containing water The invention relates to a process for eliminating nitrogenous organic compounds from a salt-containing water which contains more than 0.5% by weight of salt in the form of CaCl2 or NaCl, less than 200 ppm of dissolved carbonic acid or carbonates and more... | 07/28/2009 |
| 7442314 | Wet oxidation method A method for wet oxidation of organic material, characterized by the utilization of the heat generated by the oxidation of the pollutants that are present in a first preheated wastewater introduced at the base of the reactor in order to provide the energy sufficient... | 10/28/2008 |
| 7431850 | Process for purification treatment of wastewater containing organic substance There is provided a process for purification treatment of wastewater containing an organic substance. There is provided a process for purification treatment of wastewater containing an organic substance by carrying out supercritical treatment or subcritical treatmen... | 10/07/2008 |
| 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 |
| 7329340 | Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment systems A continuous flow multistage aerobic wastewater sludge digestion system comprising at least two stages connected in series, each stage comprising one or more covered tanks, tank segments or compartments, each having an enclosed separate gas headspace, wherein the ga... | 02/12/2008 |
| 7240618 | Explosive device with accelerated bioremediation capacity Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with a carrier containing microorganisms and with nutrient for the microorganisms. An explosive mixture capable of self rem... | 07/10/2007 |
| 7241389 | Oxidizing processes by oxygen transfer within a liquid medium in a reactor under pressure Methods for oxidizing a liquid with an oxidization gas in a closed volume reactor. A feed liquid which contains compounds to be oxidized is fed into the closed volume reactor, and a feed gas containing oxygen is fed into the reactor so as to form a gas overhead abov... | 07/10/2007 |
| 7211194 | Gravity pressure vessel and related apparatus and methods A gravity pressure vessel (GPV) for processing a fluid stream containing organic materials provides several improvements to the art. In one embodiment, a GPV of the present invention sustains the heat energy requirements of a hydrolysis GPV by including therein, a f... | 05/01/2007 |
| 7186345 | Systems for water purification through supercritical oxidation Supercritical water (SCW) systems and methods using the properties of supercritical water to allow a raw water stream including water and a contaminant to be purified. A supercritical water oxidation (SCWO), water purifier may generally include water and oxidizer (s... | 03/06/2007 |
| 7182861 | System for separating electrophotographic carrier compositions and recycling the compositions A method for use in two-components electrostatic image developers is disclosed, in which secure separation of a carrier coating resinous materials from a core magnetic material is achieved without affecting the properties of the core materials through process steps ... | 02/27/2007 |
| 7144589 | High functional water containing titanium and method and apparatus for producing the same This invention provides a method and apparatus for manufacturing titanium-dissolved water with molten titanium dissolved therein, the molten titanium being titanium metal melted by the combustion gas resulting from the combustion of a mixed gas of oxygen and hydroge... | 12/05/2006 |
| 7144498 | Supercritical hydrocarbon conversion process Supercritical conversion of hydrocarbons boiling above 538° C. (1000° F.) with a solvating hydrocarbon at a weight ratio of solvating hydrocarbon to high-boiling hydrocarbons of at least 2:1 and at conditions above the critical temperature and pressure of the high... | 12/05/2006 |
| 7138049 | Apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater A method and apparatus for treating wastewater streams by adding, either separately or as a mixture, a nitrate containing compound and an alkaline material in an amount sufficient to achieve a lower concentration of atmospheric hydrogen sulfide and dissolved sulfide... | 11/21/2006 |
| 7125913 | Partial oxidation reactors and syngas coolers using nickel-containing components Disclosed are methods and apparatus for producing synthesis gas and higher hydrocarbons from light hydrocarbons and molecular oxygen as well as the higher hydrocarbons produced by the disclosed methods and apparatus. The methods and apparatus disclosed utilize compo... | 10/24/2006 |
| 7087172 | Methods for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater A method and apparatus for treating wastewater streams by adding, either separately or as a mixture, a nitrate containing compound and an alkaline material in an amount sufficient to achieve a lower concentration of atmospheric hydrogen sulfide and dissolved sulfide... | 08/08/2006 |
| 7087197 | Particle formation Method for preparing a target substance in particulate form, comprising introducing into a particle formation vessel, through separate first and second fluid inlets respectively, (a) a “target solution/suspension” of the substance in a fluid vehicle and (b) a co... | 08/08/2006 |
| 7077044 | Method for bioremediating undetonated explosive device Technology for in situ remediation of undetonated explosive device. An explosive device contains an explosive material in close proximity with microorganisms capable of metabolizing the explosive material that are either mobile or temporarily deactivated by freeze d... | 07/18/2006 |
| 7063795 | Method for starting up a system for treating waste by hydrothermal oxidation A method for starting up a system for oxidating organic bodies. The system includes a tubular body wherein an aqueous body is injected into the inlet thereof at a pressure P1 the tubular body having a first zone extending the inlet thereof, a second zone into... | 06/20/2006 |
| 7005076 | Caustic solution treatment process A method for treating a spent caustic solution having a pH greater than about 10.5 includes the steps of (a) lowering the pH of the caustic solution into the range of between about 10 to 10.5 to produce a pH-modified caustic solution; (b) oxidizing the pH-modified c... | 02/28/2006 |
| 6977064 | Apparatus for the controlled optimized addition of reactants in continuous flow reaction systems An apparatus for performing continuous flow chemical reactions such as oxidation, oxidative dehydrogenation and partial oxidation processes involving a reactor design characterized by controlled/optimized addition of a reactant with the objective of: (i) avoiding th... | 12/20/2005 |
| 6966993 | Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc A method is provided for thickening sludge produced through a ballasted flocculation process. The sludge and granular material from the ballasted flocculation process are directed to a sludge separator where the sludge is separated from the granular material. Therea... | 11/22/2005 |
| 6958122 | High pressure and high temperature reaction system In a high pressure and high temperature reaction system suitable for oxidative waste treatment, particularly a reaction system for supercritical water oxidation (SCWO), a method is disclosed for injecting a first fluid of a first temperature at a first flow rate int... | 10/25/2005 |
| 6953869 | Process for working up secondary components in the preparation of dinitrotoluene The present invention relates to a process for working up organic secondary components which are formed in the one-stage or two-stage nitration of toluene to dinitrotoluene. These organic secondary components are present in the acidic and alkaline waste water from t... | 10/11/2005 |
| 6949231 | PCB decomposition reactor A PCB decomposition reactor includes: an injector for injecting a mixture of water and sodium hydroxide connected to the lower part of the reaction vessel; an outlet pipe for withdrawing treated fluid connected to the sidewall of the reaction vessel and a cyclone fo... | 09/27/2005 |
| 6936177 | Method for removing metal from wastewater An object of the present invention is to provide a method for efficiently removing a metal from wastewater formed by subjecting the liquid waste to wet combustion treatment or wet oxidation treatment, said liquid waste resulting from an acrylic acid production proce... | 08/30/2005 |
| 6929015 | Process for the at least partial elimination of carbon deposits in a heat exchanger The invention proposes a process and device for the at least partial elimination of carbon deposits in a heat exchanger in which an oxidation treatment is carried out comprising at least one controlled-oxidation stage at a conventional temperature between 400 and ab... | 08/16/2005 |
| 6929752 | Method for treating waste by hydrothermal oxidation A method for oxidizing organic matter contained in an aqueous effluent and an installation for implementing the method. The method comprises the following steps: injecting into a tubular body the aqueous effluent; bringing the aqueous effluent to a pressure P1, | 08/16/2005 |
| 6909079 | Microwave oven having an internal components cooling structure Microwave oven including an outer case forming a top and sides of a cabinet, a base plate forming a bottom of the cabinet, a front panel and a rear panel mounted in a front part and a rear part of the base plate for forming a front surface and a rear surface respect... | 06/21/2005 |
| 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 |
| 6887908 | Treatment of reaction water from a Fischer-Tropsch reactor An integrated Fischer-Tropsch process provides methods for recovering reaction water from a Fischer-Tropsch reactor with minimal adverse environmental effects and with reduced costs compared to traditional methods. Reaction water, preferably separated from an overhe... | 05/03/2005 |
| 6878290 | Method for oxidizing materials in supercritical water 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... | 04/12/2005 |
| 6866788 | Method and device for purifying aqueous effluents by catalytic oxidation The invention concerns a method for purifying aqueous effluents, in particular polluted water, by catalytic oxidation using a three-phase reactor comprising two communicating chambers. The invention is characterised in that it consists in: maintaining the catalyst s... | 03/15/2005 |
| 6866781 | Direct oxygen injection groundwater remediation method and system A bioremediation method and system for destroying or reducing the level of contaminants in a contaminated subterranean body of water includes a plurality of spaced injection sites. The injection sites extend below ground and intersect a body of groundwater. Each of ... | 03/15/2005 |
| 6818189 | Tubular reactor with gas injector for gas phase catalytic reactions A continuous flow chemical reaction apparatus comprises a tubular reactor having a length and having a first fluid reactant inlet at a first end and a product outlet at a second end, said tubular reactor having a central tube/interior conduit extending lengthwise wi... | 11/16/2004 |
| 6716360 | Method and apparatus for treating waste streams A method for treating a waste stream, the method including the steps of providing a waste stream that includes waste solids suspended in water, feeding the waste stream to the top of a hydraulic downdraft column, conducting the waste stream to the bottom of the hydr... | 04/06/2004 |
| 6709602 | Process for hydrothermal treatment of materials A system and method for treating feedstocks containing solids, sludges or slurries that contain organics includes introducing the feedstock into a desorption chamber. In the desorption chamber, the temperature and pressure of the feedstock are elevated to volatilize... | 03/23/2004 |
| 6709601 | Hydrothermal treatment system and method In addition to the contactor and reactor arrangement (10, 83), a hydrothermal treatment system (60) includes an effluent stream splitting arrangement (86) for receiving hydrothermal reaction effluent and splitting this effluent to produce two se... | 03/23/2004 |
| 6675495 | Method for drying saw timber and device for implementing said method The invention relates to a process for drying wood, characterized in that it comprises a pressurizing step to place a sealed chamber (1) under a predetermined pressure by injecting or generating saturating steam and maintaining this pressure for a predete... | 01/13/2004 |
