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| Number | Title | Issue Date |
| 6773593 | Continuous flow reactor wastewater treatment plant A system, apparatus, and method for treating wastewater having bio-solids therein. The system includes a tank, a wastewater inlet line, an effluent discharge outlet line, and an aeration source. The tank has an upper aeration chamber and a lower clarification chambe... | 08/10/2004 |
| 6773594 | Waste-water purification in cattle-breeding systems The invention relates to an integrated stock farming system, comprising at least a stable for keeping cattle, wherein means are present for substantially preventing the formation of ammonia through contact of solid manure and urine by separation into a solid and a l... | 08/10/2004 |
| 6770470 | Strain for decomposing TMAH, and method of wastewater treatment using the same The present invention describes a wastewater treatment method by a microorganism decomposing Tetramethyl Ammonium Hydroxide (TMAH) which, utilized in etching the surface of silicone chip in semiconductor manufacturing process, is toxic and hard to decompose. The pre... | 08/03/2004 |
| 6767462 | Apparatus and method for purifying wastewater using back overflowed sludge A wastewater purifying apparatus using a back overflowed sludge includes a water tank having an inflow port for accepting wastewater and an outlet for discharging purified water, and a first barrier for dividing the water tank into a steady-flow region and a turbule... | 07/27/2004 |
| 6764600 | Lagoon for hog waste and the method of treatment thereof The present invention relates to a lagoon partitioned for hog waste treatment, and the method of waste treatment in said lagoon. More particularly, the present invention relates to a lagoon for hog waste, which is partitioned into zones separated by walls, comprisin... | 07/20/2004 |
| 6758972 | Method and system for sustainable treatment of municipal and industrial waste water The present invention relates to a method for treatment of wastewater. More particularly, the methods of the present invention are designed for the biological removal from wastewater of contamination in the form of insoluble suspended solids and soluble and insolubl... | 07/06/2004 |
| 6755972 | Biological purification of water to any degree up to and drinking water An installation and a method for water purification which includes sequentially: A first section where the waters enter the installation and where the incoming waters come into contact with living microscopical and macroscopical organisms in order to achieve the rem... | 06/29/2004 |
| 6743362 | Sewage treatment process A sewage treatment plant, on the liquid side, is operated so as to effect nitrification and denitrification within a single tank and simultaneously to remove water, without the need for separate clarification. An aerobic/anoxic zone is maintained in a single tank, w... | 06/01/2004 |
| 6743361 | Method for bacterially treating tank toilet systems and apparatus for using same The present invention relates in general to a method for bacterially treating small-tank toilet systems and an apparatus for using same, and in particular, bacterially treating small-tank portable toilets, such as toilet systems in airplanes, busses, campers, trains... | 06/01/2004 |
| 6712970 | Sewage treatment process with phosphorus removal In the liquid side of sewage treatment process, a combination aerobic/anoxic stage is closely monitored such that phosphorus can be removed as well as nitrogen. As in a known process, the aerobic/anoxic stage is monitored as to a coenzyme of the active bacteria. Whe... | 03/30/2004 |
| 6706185 | Biological method of phosphorus removal and biological phosphorus-removing apparatus An apparatus and method for the biological removal of phosphorus, in which raw water is introduced into the anaerobic tank 11, together with returned sludge from the sludge return pipe 14. Some of the water in the anaerobic tank 11 is sent to th... | 03/16/2004 |
| 6706171 | Systems for treating wastewater in a series of filter-containing tanks This invention relates to systems for treating wastewater and more particularly to removing nutrients from wastewater in a wastewater treatment system. Wastewater tanks, each having membrane filters, are arranged in series. Each tank is equipped with respective inle... | 03/16/2004 |
| 6692642 | Organic slurry treatment process A process is provided for full treatment of animal manure and other organic slurries containing suspended solids, and dissolved organic matter, nitrogen, and phosphorus, without the need for anaerobic digestion or anaerobic stabilization lagoons. The proc... | 02/17/2004 |
| 6676836 | Surge anoxic mix sequencing batch reactor systems Wastewater treatment systems which utilize an interacting surge anoxic mix zone for facilitating nitrogen removal and an aerobic sequential batch reaction, clarification and decantation zone for facilitating aeration for BOD removal and nitrate production... | 01/13/2004 |
| 6660163 | Waste treatment with control over biological solids Waste-treatment processes are enhanced through generation and introduction of specific biological populations customized to perform or favor specific tasks either during the main process, or for solids minimization purposes in a post-treatment process. Th... | 12/09/2003 |
| 6638427 | Waste water treatment method being able to treat surface active agent, nitrogen, hydrogen peroxide and phosphor with high efficiency A waste water treatment equipment treats a fluorine waste water containing organic matter, nitrogen, phosphor and hydrogen peroxide by an anaerobic tank 3 in which a calcium carbonate mineral 9 is placed and an aerobic tank 15 in which the calcium carbona... | 10/28/2003 |
| 6635177 | Reclaiming water and usable brine concentrate from domestic sewage A method of processing sewage. Non-biodegradable solids are first removed from the sewage for separate disposal. The sewage is then introduced to the bottom of a fermentation cell designed to optimize sedimentation and methane fermentation of settleable o... | 10/21/2003 |
| 6620322 | Apparatus and methods for purifying a waste influent material Apparatus can comprise an anoxic zone, an aeration zone in communication with the anoxic zone, and a sedimentation zone in communication with the aeration and anoxic zones. The sedimentation zone may include a first outlet in a lower portion thereof adapt... | 09/16/2003 |
| 6616844 | Method for treating high-concentrated organic wastewater using bio-maker The present invention is related to a method for treating high-concentrated organic wastewater, such as night soil or livestock wastewater, which has high levels of nitrogen and phosphorous. In particular, it is related to a method for treating night soil... | 09/09/2003 |
| 6616843 | Submerged membrane bioreactor for treatment of nitrogen containing water A single tank submerged membrane bioreactor for treating feed water having unacceptable levels of ammonia or total nitrogen has both a membrane scouring bubble supply and an oxygenating bubble supply. The membrane scouring bubble supply continuously provi... | 09/09/2003 |
| 6613229 | Waste treatment method and apparatus with denitrification chamber A waste treatment method and apparatus including a denitrification chamber for denitrifying waste, an aeration basin for aerating the waste, and a clarifying device in which sludge particles separate out of the waste, leaving discharge and reusable sludge... | 09/02/2003 |
| 6610205 | Process for nitrifying denitrifying organic waste water There is disclosed a process for nitrifying denitrifying organic waste water to nitrify and denitrify the nitrogenous components in the waste water, which comprises making use of a microbe carrier composed of an organic thermoplastic high molecular compou... | 08/26/2003 |
| 6605219 | Wastewater treatment apparatus and method A wastewater treatment system for use with a conventional septic tank, or other small-scale wastewater treatment facility, for enhancing wastewater treatment without requiring complex control or maintenance limitations. The system incorporates a plurality... | 08/12/2003 |
| 6602417 | Process for the treatment of waste water containing specific components e.g. ammonia A process is described for the biological treatment of waste water containing a specific component such as ammonia, wherein the waste water together with surplus sludge from an activated sludge reactor is treated in a bioaugmentation reactor, applying a h... | 08/05/2003 |
| 6592762 | Process for treating BOD-containing wastewater A process for treating BOD, nitrogen and phosphorus containing wastewater. The process includes introducing wastewater influent into an anaerobic zone having activated sludge and mixing the wastewater influent with the activated sludge in the anaerobic zo... | 07/15/2003 |
| 6592761 | Biological waste water treatment system The present invention relates to a compact, environmentally benign onsite waste water treatment and disposal system installed secondary to conventional primary treatment process. It is a method and apparatus for the biological purification and natural dis... | 07/15/2003 |
| 6592757 | Selector contact stabilization process and apparatus for wastewater treatment The apparatus of the present invention generally comprises a wastewater contact tank that is broken into three distinct zones: a selector zone positioned between a stabilization zone and a contact zone. The entire influent is introduced into the selector ... | 07/15/2003 |
| 6589425 | Method for treating process waste waters highly charged with ammonium in waste water systems A process for treating industrial waste water highly loaded with ammonium, by treating the waste water with nitrifying microorganisms (nitric bacteria) in the presence of a suspended carrier substance with a specific surface of >20 m2 /g and in... | 07/08/2003 |
| 6576130 | Absorption field reclamation and maintenance system A wastewater absorption field reclamation and maintenance system, wherein effluent (wastewater) is oxygenated such that BOD is not reduced in the effluent, the oxygenated effluent being delivered to the absorption field. As the oxygenated effluent flows t... | 06/10/2003 |
| 6572771 | Waste water treatment method An apparatus for treatment of fluorine waste water has an introduction tank, a main treatment tank, a calcium hydroxide tank, a polychlorinated aluminum tank, a macromolecular flocculant tank, a settling tank, and a concentration tank. Fluorine waste wate... | 06/03/2003 |
| 6565750 | Trickling filter system for biological nutrient removal The present invention provides a two stage process for treating wastewater that subjects the influent to anoxic and oxic filtering processes. The first stage performs anoxic nitrification i.e., the conversion of nitrate to nitrogen gas by bacteria operati... | 05/20/2003 |
| 6562237 | Biological nutrient removal using the olaopa process A process which comprises using a tank or compartment suitable for both anoxic and anaerobic conditions for biologically removing both nitrogen and phosphorus from waste water.... | 05/13/2003 |
| 6562236 | Sewage treatment system A source of sewage is coupled to a septic tank by an influent line. The outlet line is coupled to a sewage treatment plant by an outlet line. Sewage travels from the source to the septic tank where solid matter is filtered. Liquid matter passes through th... | 05/13/2003 |
| 6558549 | Membrane module for gas transfer and membrane supported biofilm process An apparatus to transfer gas to or from a liquid has a flexible and oxygen permeable but liquid water impermeable membrane, a flexible and gas permeable spacer, an inlet conduit, an outlet conduit and a non-rigid restraint system. When used for treating w... | 05/06/2003 |
| 6555002 | Apparatus and method for wastewater treatment with enhanced solids reduction (ESR) A wastewater treatment process that provides improved reduction of total solids through endogenous respiration while reducing biochemical oxygen demand and utilizing biological nutrient reduction. The wastewater treatment process uses an efficient aeratio... | 04/29/2003 |
| 6531062 | Wastewater treatment system for small flow applications The apparatus is a small flow wastewater treatment system. The system uses a recirculating packed media filter for the initial treatment of effluent from a device such as a septic tank. The incoming wastewater is furnished to the recirculating packed medi... | 03/11/2003 |
| 6517723 | Method and apparatus for treating wastewater using membrane filters An apparatus using activated sludge for the removal of biological nutrients from a wastewater includes a bioreactor for containing a mixture of wastewater under treatment and activated sludge. The bioreactor is divided into a plurality of serially connect... | 02/11/2003 |
| 6514410 | Odor control apparatus for facultative lagoon An odor control apparatus for a facultative lagoon, and a facultative lagoon created and maintained thereby. The apparatus includes an aerator and a cover. The aerator can include a body with an inlet and an outlet and a support such as a float. The inlet... | 02/04/2003 |
| 6488851 | Reactor and process for biologically treating sewage The present invention provides a reactor and process for the biological treatment of sewage, being transferred, by gravitational forces with a substantially constant flow rate (Q), through an array of successively alternating aerobic and anaerobic compart... | 12/03/2002 |
| 6488850 | Method and apparatus for anaerobically degrading pollutants with alkanes A method and apparatus are disclosed in which alkanes such as butane are used to degrade pollutants such as tetrachloroethylene (PCE) and carbon tetrachloride (CT) at contaminated sites. In a preferred embodiment, pollutant concentrations are reduced by i... | 12/03/2002 |
