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| Number | Title | Issue Date |
| 8110108 | Wastewater treatment system Disclosed is a system for treating wastewater. The system includes a microorganism clad structure positioned in a body of wastewater such that the microorganism clad structure is at least partially submerged in the body of wastewater. The apparatus also includes an ... | 02/07/2012 |
| 7402247 | System for wastewater treatment and digestion having aerobic and anaerobic treatment zones The specification discloses a method for treating and digesting organic wastes in a wastewater stream. A first wastewater influent stream is mixed with an activated sludge biomass in an aerobic digestion zone, so that least a portion of the organic wastes in the fir... | 07/22/2008 |
| 7387733 | System and method for processing organic waste material A method is provided for maintaining a biomass disposed on a substrate in a bioreactor tank. The bioreactor tank has an inlet and an outlet in fluid communication with a waste treatment system whereby an influent fluid may be selectively introduced through the inlet... | 06/17/2008 |
| 7332077 | Methods for biological treatment of waste waters In a vertical shaft bioreactor, improved devices and methods are provided for enhanced secondary and/or tertiary treatment of wastewater, including residential, municipal and industrial wastewater. The devices and methods of the invention are useful for enhanced sec... | 02/19/2008 |
| 7311834 | Apparatus for the treatment of particulate biodegradable organic waste An apparatus for treating particulate biodegradable organic waste includes a thermal hydrolysis reactor receiving the particulate biodegradable organic waste for performing thermal hydrolysis at a temperature of about 130° C. at a pressure at or above the saturated... | 12/25/2007 |
| 7297274 | Fixed-film anaerobic digestion of flushed waste An apparatus for the fixed-film anaerobic digestion of flushed livestock manure includes an enclosed digester tank (fixed or flexible roof), internal media for biofilm development, a biogas collection and flare system, various pumps, and hydraulic control systems. T... | 11/20/2007 |
| 7294269 | Organic disposer and method of controlling the same An organic matter disposer is disclosed, including a tub, a drum rotatably provided in the tub so as to store organic matters therein, a stirrer provided in the drum so as to stir the organic matters, a driving device for rotating the drum and the stirrer, and a hea... | 11/13/2007 |
| 7258790 | Controlled eutrophication system and process A controlled eutrophication system and process are disclosed. The system includes the combination of a partitioned aquaculture system in conjunction with an anaerobic digester. Wastewater containing pollutants, such as nitrogen and phosphorus, are fed to the partiti... | 08/21/2007 |
| 7182871 | Wastewater treatment with alkanes An apparatus and method are provided for treating wastewater with alkanes such as butane. An oxygen-containing gas may also be introduced into the wastewater. Butane, because of its relatively high solubility, rapidly dissolves in the wastewater, thereby significant... | 02/27/2007 |
| 7179642 | Method and apparatus for solids processing Apparatuses and methods for anaerobic digestion of high-solids waste are provided. The methods may include and the apparatuses may be used for moving the solid waste in a corkscrew-like fashion through a closed container. The method may further include moving the hi... | 02/20/2007 |
| 7160458 | Method for purification of process water from a kerosene desulfurization plant Method for purification of process water, in particular coming from a kerosene desulfurization plant, and related plant, comprising the steps of neutralizing the process water, carrying out a washing of the process water by a solvent, and biologically treating the p... | 01/09/2007 |
| 7160457 | Digester cover An anaerobic digester for use in wastewater treatment systems having a fixed cover including a central tower for controlling gas and foam. A constant operating level is maintained in the digester by utilization of an overflow weir located in the tower. The fixed cov... | 01/09/2007 |
| 7160442 | Apparatus for reduction of biological wasted sludge The apparatus for reducing biological wasted sludge includes a sludge hydrolysis reactor, a sludge neutralization reactor and a membrane bioreactor (MBR). The method of the present invention includes subjecting a biological wasted sludge to hydrolysis and neutraliza... | 01/09/2007 |
| 7150832 | Apparatus for and a method of treating organic waste The apparatus comprises an anaerobic digester for receiving organic waste, an aerobic digester, and a feed pump for pumping effluent from the anaerobic digester to the aerobic digester. The digesters each comprise a reaction vessel and each reaction vessel has a spr... | 12/19/2006 |
| 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 |
| 7144514 | Cyanide and formate destruction with ultra violet light A method for substantially reducing cyanide and formate concentrations in gasification wastewater streams comprising first removing suspended solids from the wastewater stream, then adding sufficient hydrogen peroxide to completely oxidize contained cyanide ions and... | 12/05/2006 |
| 7029884 | Carrier for microorganism incubation in which micro-elements and inorganic nutrient salts are diffused A carrier for microorganism incubation of a diffusion type in which microelements and inorganic nutrient salts which are useful in proliferation of microorganism are included in a porous material is provided. This carrier may be employed in a bioreactor for treatmen... | 04/18/2006 |
| 7025883 | Autotrofic sulfur denitration chamber and calcium reactor The present invention describes novel biological methods for efficiently reducing nitrate levels and otherwise conditioning aquarium water and water in similar environments. ... | 04/11/2006 |
| RE39033 | Potentiation of the microbicide 2-(thiocyanomethylthio)benzothiazole using an N-alkyl heterocyclic compound Microbicidal compositions are described. The compositions comprise (a) 2-(Thiocyanomethylthio)benzothiazole (TCMTB) and (b) an N-alkyl heterocyclic compound of the formula: The variable “n” ranges from 5 to 17, and the hetero... | 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 |
| 6984305 | Method and apparatus for sustainable energy and materials A process for the production of hydrogen from anaerobically decomposed organic materials by applying an electric potential to the anaerobically decomposed organic materials, including landfill materials and sewage, to form hydrogen, and for decreasing the time requi... | 01/10/2006 |
| 6984324 | Wastewater treatment A method for the treatment of sewage sludge which comprises the step of applying to the sludge a biologically effective amount of a composition which contains a lignosulfonate and sludge digesting microbes, preferably from the genus bacillus. The method may b... | 01/10/2006 |
| 6962653 | Autothermal aerobic digestion system having closed defoaming system Disclosed is an autothermal aerobic digestion system having closed defoaming system. The system according to the present invention completely controls light and heavy foam by using a series of aeration venturi and defoamer venturi and a foam collector pipe. Accordin... | 11/08/2005 |
| 6955341 | Apparatus for dissolving gas into liquid An apparatus for effectively dissolving gas into liquid medium to obtain high concentration of gas solution includes a mixer and a tank enclosure, wherein the mixer primarily includes a quasi-Venturi tube and an expansion chamber. During operation, gas is introduced... | 10/18/2005 |
| 6942798 | Vacuum retort anaerobic digestion system and process Anaerobic digestion system and process in which a liquor containing a digestible biomass is processed a retort vessel at a thermophilic temperature and with a vacuum pressure at the surface of the liquor. A pressurized feedstock is introduced into the vessel so that... | 09/13/2005 |
| 6926830 | Combined activated sludge-biofilm sequencing batch reactor and process A new biofilm-activated sludge Sequencing Batch Reactor (SBR) treatment process for sewage or wastewater has successfully been developed as the third generation SBR (SBR3). This new SBR3 process utilizes a multi-stage and multi-sludge SBR configuration receiving eit... | 08/09/2005 |
| 6923905 | Apparatus for subsurface aerated treatment of wastewater The performance of a leach field of a septic tank type wastewater treatment system and other analogous devices is enhanced, maintained or rejuvenated by flowing air or other active gas through conduits of the system. Air is flowed serially through leaching chambers,... | 08/02/2005 |
| 6916421 | Vertical vortex or laminar flow interactive bio media water treatment device A waste liquid treatment system includes a plurality of flow control elements presenting a plurality of waste liquid flow control surfaces. A biofilm covers at least some of the waste liquid flow control surfaces. The flow control surfaces are adapted and constructe... | 07/12/2005 |
| 6913419 | In-situ surfactant and chemical oxidant flushing for complete remediation of contaminants and methods of using same The present invention relates to removal of subsurface contaminants and methods of same. In more particular, but not by way of limitation, the present invention relates to an integrated method for remediating subsurface contaminants through the use of a low concentr... | 07/05/2005 |
| 6905863 | Aerobic method of removing total dissolved solids (TDS) from tannery wastewaters The present invention relates to a bacterial strain of accession No MTCC 5097 useful for reducing the Total dissolved solids (TDS) levels from both raw as well as electrofloated tannery effluents, a process of preparing innoculum of the strain for reducing the Total... | 06/14/2005 |
| 6875355 | Denitrification system for nitrified wastewater or nitrified water A denitrification system for denitrified wastewater or nitrified water treatment using a detergent or detergent-like compound comprising available carbon. The system comprises a plurality of interconnected tanks including a mixing tank which feeds detention tanks wh... | 04/05/2005 |
| 6869533 | Heating system and method for prevention of septic system freeze-up Disclosed is a septic heater system and method for preventing a freeze-up in a septic system. The heater system typically is used with a previously-installed septic system that includes a septic tank, drop boxes, connecting sewer pipe, a drainfield, and one or more ... | 03/22/2005 |
| 6860996 | Method of producing hydrogen gas by using hydrogen bacteria Both organic waste or wastewater and methane-generating bacteria are contained in organic waste or wastewater. When organic waste or wastewater containing these bacteria is cultured as a base material, the hydrogen produced by the hydrogen-generating bacteria is con... | 03/01/2005 |
| 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 |
| 6814866 | Heating a leach field The leach field of a septic type sewage system is heated by various means, to raise the temperature and increase biochemical activity in the influence zone of leach field conduits. The capacity for waste water treatment is thus increased or restored. Heating is achi... | 11/09/2004 |
| 6783677 | Anaerobic film biogas digester system An anaerobic digester for digesting a slurry of organic waste comprising: a tank having an outer side wall and a lower inner wall, a first radiant heating floor between the outer wall and a first side of the inner wall forming a first chamber and a second radiant he... | 08/31/2004 |
| 6770199 | Method of extracting environmental contaminants and pollutants through biomass harvestation A method for extracting contaminants and pollutants from an ecosystem. The method includes extracting from the ecosystem a quantity of animal tissue and grinding or macerating the animal tissue to form a slurry-like mixture and adding the mixture to a digestion vess... | 08/03/2004 |
| 6755971 | Microbiological removal of bromine salts from fluid streams A process for the removal of undesirable bromine salts from fluid streams, especially waste and/or drinking water, comprising the step of exposing the fluid stream to a micro-organism which biochemically aids the reduction of the undesirable bromine salts, character... | 06/29/2004 |
| 6730223 | Apparatus, system and method for treating waste material A method, apparatus and system for processing municipal waste starts with a biomass that has been treated in at least one steam autoclave and dilutes the resulting biomass in a dilution tank while agitating the resulting mixture a sufficient amount and at an effecti... | 05/04/2004 |
| 6730224 | Advanced aerobic thermophilic methods and systems for treating organic materials An improved method for the aerobic thermophilic treatment of organic material of the type in which air is passed through organic matter contained in a reactor, in which at least a portion of the air that has passed through the organic matter in the reactor being cap... | 05/04/2004 |
