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| Number | Title | Issue Date |
| 8182688 | Biogas generator A biogas generator employs an anaerobic digestion process to convert organic waste material within a sealed reservoir to a biogas. A solar thermal panel connected to the reservoir heats a fluid traveling through a conduit, which is connected to a heat exchanger with... | 05/22/2012 |
| 8163180 | Process and installation for anaerobic treatment of material having high solids concentration The invention relates to a process for anaerobic treatment of material having a solids concentration greater than 15% in a digester in the form of a sealed tank (1) equipped with means (2) for supplying material to be treated and means (3) for d... | 04/24/2012 |
| 8153006 | Anaerobic treatment process for ethanol production A method of treating thin stillage from an ethanol production process that includes in a digester, treating thin stillage from the ethanol production process using anaerobic digestion to produce an ammonia-rich liquid product. During anaerobic digestion of the thin ... | 04/10/2012 |
| 8142658 | Process for preparation of substrate for microbial digestion Processes for microbial digestion of organic material, and preparation of substrates for microbial digestion, suitable for the production of biomethane, from municipal and industrial waste water or from municipal or agricultural waste. In addition, a method for iden... | 03/27/2012 |
| 8133392 | Three-phase cascade separator A three-phase separator for separating gas and solids from a three-phase mixture containing liquid, gas and solids includes an inlet region for the three-phase mixture, an outlet for a fraction rich in solids, an outlet for liquid, a first separator for separating g... | 03/13/2012 |
| 8110106 | Anaerobic digester design and operation An apparatus for the anaerobic digestion of solid waste is disclosed. The apparatus includes a pre-digestion treatment chamber and an anaerobic digester chamber coupled to the pre-digestion treatment chamber. A liquid suspension of solid waste is pretreated under ae... | 02/07/2012 |
| 8092680 | System and method for anaerobic digestion of biomasses Provided herein are methods and system for the production of biogas, U.S. Environmental Protection Agency classified Class A Biosolids, and pathogen reduced organic liquid fertilizer. Through the digestion of waste materials using sequential phases in an efficient d... | 01/10/2012 |
| 8066879 | Method for treating waste water An apparatus and method for passively generating a current flow in a body of water is disclosed. The passive water circulating apparatus has an aeration plate having a central opening; a plurality of flotation members joined to the aeration plate, the plurality of f... | 11/29/2011 |
| 8066878 | Anaerobic purification device The invention relates to an anaerobic purification device for purification of influent. The device has a reactor tank, an inlet for introducing influent into the tank, a water collecting device for collecting purified water, a gas collecting system for collecting ga... | 11/29/2011 |
| 8043506 | Process and reactor for anaerobic waste water purification The invention is directed to a process for the anaerobic purification of waste water using a sludge bed system, which process comprises feeding waste water, and optionally recycle water, to the lower part of an upflow reactor, containing mainly granular biomass thus... | 10/25/2011 |
| 8021552 | Process and reactor for anaerobic waste water purification The invention is directed to a process for the anaerobic purification of waste water using a sludge bed system, which process comprises feeding waste water and recycle water to the lower part of an upflow reactor containing mainly granular biomass thus producing bio... | 09/20/2011 |
| 8017013 | Apparatus, methods and systems for handling and processing waste material Apparatus, methods and systems for processing waste are provided. For example, a system for processing waste, wherein the waste comprises hard particulates embedded therein, can be provided. The system can comprise a waste disrupter, wherein the waste disrupter disr... | 09/13/2011 |
| 7993521 | Plant and method for generating biogas from biologically degradable material containing liquid and solid components, in particular waste products, and a biogas generation container for use in the plant A plant for generating biogas from organic biodegradable material containing liquid and solid components, such as waste products, in particular liquid manure from agricultural enterprises, comprises a biogas generation container (9) having a feed for the degr... | 08/09/2011 |
| 7947178 | Method and apparatus for the anaerobic treatment of waste water The present invention relates to a process for the purification of waste water, in particular for the continuous purification of waste water in papermaking, where waste water to be purified is fed to an anaerobic reactor (12), the waste water is contacted, in... | 05/24/2011 |
| 7919000 | Reactor comprising a supply distribution system for anaerobic waste water treatment Disclosed is a reactor for anaerobically treating waste water, especially treating waste water from the paper industry. Said reactor comprises a reactor vessel, at least one supply pipe which is arranged in the bottom area of the reactor vessel and is used for feedi... | 04/05/2011 |
| 7914675 | Anaerobic purification of heated waste water The invention is directed to a process for the anaerobic purification of waste water in an anaerobic reactor, said process comprising burning the biogas produced in the purification, in a gas-burner, using the hot gases obtained thereby for indirect heating of water... | 03/29/2011 |
| 7914676 | Method for removing sulphate and heavy metals from waste water In a method for removing sulphate and heavy metals from waste water: a) in a first treatment step (I) hydrogen sulphide is guided through the waste water, heavy metals that are present in the waste water are precipitated as sulphide, and are removed from the waste w... | 03/29/2011 |
| 7887705 | System for treating residual water Improvements on a system for treating residual water, presents a new solution for the conformation of a system for treating residual water and for such purpose, it basically consists of a lower blanket (1), preferably produced in PVC, and of a cover blanket (... | 02/15/2011 |
| 7862721 | Method for producing hydrogen sulphide and the use thereof, in particular, for depolluting heavy metal-containing flows A process for the decontamination of an effluent containing one or more dissolved metals is provided. The process includes producing hydrogen sulphide in an aqueous medium by culturing alkaliphilic sulphate-reducing or thio-sulphate reducing bacteria in the presence... | 01/04/2011 |
| 7854840 | Method for decomposing biogenic material The invention relates to a method for decomposing biogenic material, wherein a percolator is charged with biogenic material, a percolation liquid is separated by sieving and re-sprayed again onto the biogenic material, excess percolation liquid is pumped into a buff... | 12/21/2010 |
| 7854841 | Combined anaerobic process apparatus for treating organic wastes The present invention relates to a combined anaerobic process apparatus for treating organic wastes, comprising: a first solid-liquid separator to separate organic wastes into liquid wastes and solid wastes; an acid-forming tank to decompose the liquid wastes separa... | 12/21/2010 |
| 7850849 | Anaerobic reactor for the removal of long chain fatty acids from fat containing wastewater The invention presented is an apparatus specifically designed for the high rate anaerobic treatment of (waste)waters with relatively high concentrations of lipidic compounds, referred to as the Inverted Anaerobic Sludge Blanket (IASB) reactor. Contrary to convention... | 12/14/2010 |
| 7842186 | Method of removing phosphorus and/or nitrogen The present invention provides a method of treating wastewater containing phosphorus and/or nitrogen for removing phosphorus and/or nitrogen from the wastewater, including following steps of: (a) introducing wastewater containing phosphorus and/or nitrogen into a an... | 11/30/2010 |
| 7833414 | Polar fog waste treatment A FOG waste treatment facility includes a slipstream loop incorporating circulation pumps, heat exchangers and anaerobic digesters for continuously circulating actively digesting sludge at a rate to preclude solid settlement accumulation warmed actively digesting sl... | 11/16/2010 |
| 7811456 | Systems and methods for combining and converting solid and liquid organic waste materials into useful products Systems and methods are provided for converting organic waste materials from a municipal waste stream to useful products, such as fuels. Through the use of a biomixer and a hydropulper, as well as through sorting and screening, the organic waste materials are progre... | 10/12/2010 |
| 7811455 | Removal of ammonia from fermentation effluent and sequestration as ammonium bicarbonate and/or carbonate A method for the removal and sequestration of ammonia nitrogen from anaerobic fermentation effluent while producing a higher BTU biogas. The method includes the steps of removing the slurry from the digester, stripping the ammonia from the slurry or portion thereof ... | 10/12/2010 |
| 7799222 | Method for producing hydrogen sulphide and the use thereof, in particular, for depolluting heavy metal-containing flows The invention relates to using alcalophilic sulphate-reducing bacteria selected from at least one species of a Desulfohalobiaceae or Desulfonatronum species family or from species whose gene encoding for ribosomal PARN 16S has a homology equal to or greater t... | 09/21/2010 |
| 7794597 | Treatment of waste mixture containing liquids and solids A facility for treating solid and liquid waste includes a receiving station, a screening station, a preprocessing station, a press station and a processing station. The screening station is connected to an inlet capable of receiving liquid and solid waste and includ... | 09/14/2010 |
| 7785467 | Method, composition and apparatus for high temperature production of methane from poultry waste Compositions, methods and apparatus for the production of methane gas from poultry litter are provided. Particular features are selection of methanogens, well stirring of the digester, and control of critical parameters of digester temperature, pH, and solids conten... | 08/31/2010 |
| 7767089 | Membrane supported biofilm process for autotropic reduction A hollow gas transfer fiber is arranged in tows and potted into a module. The module may be used to treat wastewater by supplying hydrogen containing gas via the interior of the fibers to a biofilm present on an exterior surface of the fibers. ... | 08/03/2010 |
| 7754080 | Fixed film bioprocess for removing carbon compounds in oil and gas drilling sludge A system for recycling drilling sludge is disclosed. The system has a treatment area and a salt-tolerant bio-reactor coupled to the treatment area. The bio-reactor has i) at least one bio-suspension element for supporting the growth of at least one type of biologica... | 07/13/2010 |
| 7736510 | Method for producing methane gas A practical technique that enables effective utilization of organic wastes is provided. In order to achieve the above-mentioned object, a method for producing methane gas from organic wastes according to the present invention includes: treating organic wastes with a... | 06/15/2010 |
| 7736511 | Feedback system for enhancing elimination of biomass in sewage sludge Already-treated sludge is fed back into incoming sewage, and is effective to supply nutrients needed for the microbiological breakdown of the sludge. The feedback sludge has a solids content of 10% or more, and has been sheared and heated to drive its viscosity down... | 06/15/2010 |
| 7731850 | Apparatus and method for treating wastewater An apparatus and method for treating wastewater are provided. The method for treating wastewater includes: a pre-treatment step of removing impurities contained in high concentration wastewater and crushing the impurities using a crusher; a first aerobic treatment s... | 06/08/2010 |
| 7727396 | Anaerobic reactor with auger in the effluent line An upflow anaerobic reactor includes an effluent outlet configured to direct effluent out of the reactor and a fluid-filled gas trap configured to prevent loss of biogas from the vessel. An auger assembly is operably coupled to the effluent outlet to prevent cloggin... | 06/01/2010 |
| 7727395 | Method and apparatus for processing organic waste A method for processing brewery waste that includes receiving spent grain, low strength wastewater and high strength wastewater. The spent grain, low strength wastewater and high strength wastewater is processed with a plug flow anaerobic digester to produce a first... | 06/01/2010 |
| 7718064 | Integrated clean biomass to energy system The invention provides improved methods of wastewater purification. The present invention provides a process for the energy efficient production of Class A biosolids. More particularly, sewage sludge is subjected to an anaerobic digestion process resulting in class ... | 05/18/2010 |
| 7708884 | Process for aerobic-thermophilic stabilization and disinfection of sludge A process for the stabilization and disinfection of sludge wherein a) raw sludge having a dry matter content of from 3 to 7% by weight is fed continuously or quasi-continuously into a first stage, where it remains for an average retention time of three ... | 05/04/2010 |
| 7708885 | Anaerobic digestion apparatus, methods for anaerobic digestion and for minimizing the use of inhibitory polymers in digestion The invention includes an anaerobic solids digestion apparatus comprising a digester, at least one draft tube; at least one nozzle and a biogas source; a method for digesting a waste stream in an anaerobic solids digestion apparatus comprises feeding a waste stream ... | 05/04/2010 |
| 7670489 | Method for purifying effluent in an anaerobic reactor The invention relates to a method for purifying effluents in an anaerobic reactor (1) in which the micro-organisms are held by supports, the supports forming a bed which is fixed in a part (4, 5) of the reactor. The inventive method is characterized in... | 03/02/2010 |
