| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 03/31/2011 | US20110073544 Denitrification process |
| 03/31/2011 | US20110073543 System and method for using urea as a nitrogen source in a bioreactor |
| 03/31/2011 | US20110073542 Basal screen for enhancing algal biomass growth |
| 03/31/2011 | US20110073536 Substainable technology for treatment of batik waste effluent |
| 03/31/2011 | DE102009045032A1 Verfahren und Vorrichtung zur biologischen Reinigung von Abwasser Method and apparatus for the biological purification of waste water |
| 03/31/2011 | DE102009044918A1 Anordnung zum Erzeugen einer umlaufenden Strömung in einem Behandlungsbecken zum Behandeln von Abwasser An arrangement for producing a rotating flow in a treatment tank for treating wastewater |
| 03/31/2011 | DE102009043110A1 Filter element, useful for biochemical purification of liquid, comprises adjacent plastic plates combined into a body |
| 03/31/2011 | DE102009039316A1 Abwasserreinigungsanlage und Verfahren zur Abwasserreinigung Wastewater treatment plant and sewage disposal method |
| 03/31/2011 | CA2774141A1 Method and device for biologically cleaning wastewater |
| 03/31/2011 | CA2774022A1 Device for cleaning wastewater |
| 03/30/2011 | EP2300577A1 Process for the simultaneous remediation and production of fuel from fractionalized waste and virgin materials through the use of combinative bioreactor and catalytic methodology |
| 03/30/2011 | EP2300378A2 Aeration and filtration system and process for treating wastewater |
| 03/30/2011 | EP2300377A2 Resilient member and device, in particular a bio film reactor |
| 03/30/2011 | CN201781578U Monitoring system for sewage treatment |
| 03/30/2011 | CN201780475U Control circuit of paper-making wastewater treatment device |
| 03/30/2011 | CN201777964U Advanced treatment device applicable to decentralized wastewater in tourist attractions |
| 03/30/2011 | CN201777963U One-step treating device applicable to solid-liquid mixed sewage in culture farm |
| 03/30/2011 | CN201777962U Oxidation ditch system for processing sewage |
| 03/30/2011 | CN201777958U Treatment system for phosphorus removal by three-mud process nitrification and denitrification |
| 03/30/2011 | CN201777957U Sewage denitrifying and dephosphorizing treatment system |
| 03/30/2011 | CN201777956U Sequencing batch biofilm reactor processing system for piggery wastewater |
| 03/30/2011 | CN201777936U Water body purification device |
| 03/30/2011 | CN201777935U Sewage wetland brick and device thereof |
| 03/30/2011 | CN201777934U Continuous adjustable submerged plant planting net bed |
| 03/30/2011 | CN201777933U Surface flow artificial wetland water distribution-fall reaeration system |
| 03/30/2011 | CN201777932U Water ecological substance filtering device |
| 03/30/2011 | CN201777931U Air pressure type automatic sludge discharge device of anaerobic bioreactor |
| 03/30/2011 | CN201777930U Anaerobic ammonium oxidation (ANAMMOX) reactor |
| 03/30/2011 | CN201777929U Internal circulation type up-flow anaerobic sludge bed reactor |
| 03/30/2011 | CN101997452A Wind-solar complementary river and lake water quality strengthening and purifying system |
| 03/30/2011 | CN101993866A Method for producing entrapping immobilization pellets, apparatus for producing the same, and entrapping immobilization pellets |
| 03/30/2011 | CN101993839A Methylobacterium rhodesianum H13 capable of efficiently degrading dichloromethane and application thereof |
| 03/30/2011 | CN101993838A Delftia tsuruhatensis strain H1 with chloroaniline degradation capacity and application thereof |
| 03/30/2011 | CN101993837A High-activity high-tolerance formaldehyde degrading bacteria and application thereof |
| 03/30/2011 | CN101993833A Heterotrophy denitrifying bacteria for synchronously degrading sulfide, nitrate and organic carbon source |
| 03/30/2011 | CN101993182A Livestock and poultry farm dung dirt biological fermentation treatment method and device |
| 03/30/2011 | CN101993180A Method for dung ecological treatment and resource recycle |
| 03/30/2011 | CN101993178A Method for treating industrial wastewater containing hexamethylenediamine |
| 03/30/2011 | CN101993176A Process for town sewage treatment |
| 03/30/2011 | CN101993175A Nitrosification treatment method of ammonia nitrogen in high-concentration ammonia nitrogen wastewater |
| 03/30/2011 | CN101993174A Integrated treatment process for coal mine sewage |
| 03/30/2011 | CN101993173A Improved alkaline process flow with coking sewage treatment (A/O) method |
| 03/30/2011 | CN101993172A Dephosphorized denitrified granular sludge bioreactor |
| 03/30/2011 | CN101993171A Multi-segment multi-stage AO phosphorus and nitrogen removal process and reaction system thereof |
| 03/30/2011 | CN101993170A Efficient energy-saving centralized water treatment facility |
| 03/30/2011 | CN101993169A Treatment method of sintering flue gas desulphurization wastewater |
| 03/30/2011 | CN101993168A Meat processing waste water treatment process |
| 03/30/2011 | CN101993167A Industrial waste water treatment method |
| 03/30/2011 | CN101993154A Principle and method of aeration oxygenating system for forming water stream by utilizing compressed gas expanding pulse |
| 03/30/2011 | CN101993152A Activating agent for enhancing degradability of oil degrading bacteria as well as application and use method thereof |
| 03/30/2011 | CN101993151A Loop control method for biochemical sewage treatment process |
| 03/30/2011 | CN101993150A Compound underflow constructed wetland system |
| 03/30/2011 | CN101993149A Water quality conditioner for inhibiting harmful algae and use method thereof |
| 03/30/2011 | CN101993148A Sequencing-batch membrane bioreactor |
| 03/30/2011 | CN101993147A Vortex fixed microorganism aeration tank |
| 03/30/2011 | CN101993146A Sludge bulking predetermining method by activated sludge process in sewage treating process |
| 03/30/2011 | CN101993145A Jet flow aerator |
| 03/30/2011 | CN101992841A Floating island on sea and detachable hanging bridge and plank house affiliated thereto |
| 03/30/2011 | CN101990833A Submerged plant seedling-raising device and application thereof in biologic ecosystem restoration of water body |
| 03/30/2011 | CN101774686B Biological contact oxidation pond for recirculating aquaculture system |
| 03/30/2011 | CN101654318B Excrement centralized processing method |
| 03/30/2011 | CN101628758B Modified PVC biologic filler |
| 03/30/2011 | CN101624233B Gravity-flow type semi-matrix artificial water culture wetland device |
| 03/30/2011 | CN101585648B Multi-level circulation aerobic treatment technology |
| 03/30/2011 | CN101549932B Integrated production method of organic sewage/waste residue treatment, microalgae culturing and oil refining |
| 03/30/2011 | CN101508981B Method and apparatus for duration enzyme production of biomass carrier with organic waste water treatment |
| 03/30/2011 | CN101357806B Nitrification-anammox processing method and equipment of poultry-livestock culture waste waters |
| 03/30/2011 | CN101337733B Guide apparatus for inducing downward flow of surface water |
| 03/30/2011 | CN101327997B Comprehensive processing method of aquiculture sewerage |
| 03/30/2011 | CN101323481B High speed water supply aerating biological filter and method for pretreating micro-polluted raw water using the same |
| 03/30/2011 | CN101269882B Integrated oxidation ditch, construction and operation method |
| 03/29/2011 | US7915749 Method for generating electrical power from municipal wastewater |
| 03/29/2011 | US7914678 Backwashing unsaturated wastewater filter |
| 03/29/2011 | US7914677 Water treatment apparatus and water treatment method |
| 03/29/2011 | US7914676 Method for removing sulphate and heavy metals from waste water |
| 03/29/2011 | US7914675 Anaerobic purification of heated waste water |
| 03/29/2011 | CA2486315C Water distributor device for aquariums, ponds and the like provided with a possible biological filter |
| 03/28/2011 | CA2715401A1 System and method for using urea as a nitrogen source in a bioreactor |
| 03/24/2011 | WO2011035341A1 A medium for fixing bacteria |
| 03/24/2011 | WO2011034282A2 Water circulation device for preventing algal bloom using sunlight |
| 03/24/2011 | WO2011033960A1 Novel micro-organism, boron scavenger, and method for scavenging boron |
| 03/24/2011 | WO2011033476A1 Treatment plant with activated sludge |
| 03/24/2011 | WO2010128775A3 Variable advanced sewage treatment apparatus |
| 03/24/2011 | US20110071031 Compositions, methods, and kits for isolating and analyzing nucleic acids using an anion exchange material |
| 03/24/2011 | US20110070629 Method for micropropagation of monocots based on sustained totipotent cell cultures |
| 03/24/2011 | US20110068058 Apparatus and process for treating wastewater |
| 03/24/2011 | US20110068057 Systems, apparatuses and methods for treating wastewater |
| 03/24/2011 | US20110068056 Method for the Biological Treatment of an Effluent and Associated Plant |
| 03/24/2011 | US20110067995 Ethanol Distillation System and Apparatus |
| 03/24/2011 | DE102010008647A1 Apparatus for gassing of wastewater, comprises a flexible foil equipped with slits that transverse itself in an angle, where the slits form a acute-angled tongue that is formed by both slotted triangle legs |
| 03/23/2011 | EP2298703A1 Treatment of saltwater-based domestic wastewater |
| 03/23/2011 | EP2297051A2 Integrated process for recovery of a polyphenol fraction and anaerobic digestion of olive mill wastes |
| 03/23/2011 | EP2297048A2 Method for the biological treatment of an effluent and associated plant |
| 03/23/2011 | EP2297047A1 Apparatus for cleaning sewage |
| 03/23/2011 | CN201770585U Landscape type composite artificial wet land treatment device for eutrophication water bodies |
| 03/23/2011 | CN201770584U Oil-water separation device |
| 03/23/2011 | CN201770582U Oxidation ditch system with function of preventing and controlling activated sludge bulking |
| 03/23/2011 | CN201770579U Flow guiding aeration type sewage purifier |
| 03/23/2011 | CN201770578U Integrated water treatment tank |
| 03/23/2011 | CN201770576U A2/O aeration biological filter tank denitrification dephosphorization device |