| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 04/20/2010 | US7699980 System for activated sludge wastewater treatment with high dissolved oxygen levels |
| 04/20/2010 | US7699976 Upflow bioreactor with septum and pressure release mechanism |
| 04/15/2010 | WO2010042330A2 Micro gas attendant system |
| 04/15/2010 | WO2010041246A1 A system and method for processing and reusing graywater including for use in a home and garden |
| 04/15/2010 | WO2010041041A1 Method, system and apparatus for reducing oxyanion content |
| 04/15/2010 | WO2010040872A1 Method for determining the contribution of biomass to cod |
| 04/15/2010 | US20100093063 Method for the treatment of ground water and soils using dried algae and other dried mixtures |
| 04/15/2010 | US20100089828 Membrane bioreactor for phosphorus removal |
| 04/15/2010 | US20100089827 Membrane biofilm reactor for removing contaminants from ground water |
| 04/15/2010 | US20100089826 Methods of reducing the time required for coming into compliance |
| 04/15/2010 | US20100089825 Systems And Methods For Treatment Of Perchlorate Contaminated Water |
| 04/15/2010 | US20100089824 Methods of reducing the amount of settling aid |
| 04/15/2010 | US20100089822 Micro Gas Attendant System |
| 04/15/2010 | CA2739729A1 Micro gas attendant system |
| 04/14/2010 | EP2173672A2 Method and installation for biologically treating waste water |
| 04/14/2010 | CN201437523U Organic acidity wastewater treatment system |
| 04/14/2010 | CN201437522U Anaerobic hydrolysis and SBR coupling denitrifying dephosphatation device |
| 04/14/2010 | CN201437516U Movable type submerse impeller |
| 04/14/2010 | CN201437515U Water distribution device of anaerobic reactor |
| 04/14/2010 | CN201437514U Low-energy-consumption high-efficiency circulating device of anaerobic reactor |
| 04/14/2010 | CN201437064U Novel water treatment filter medium |
| 04/14/2010 | CN1958475B Suspended biological carrier with material adapted to categories and behaviours of microbe |
| 04/14/2010 | CN1926072B Method of nitrifying ammonium-nitrogen-containing water and method of treating the same |
| 04/14/2010 | CN101693880A Microbial preparation for controlling and eliminating mastitis pathogenic bacterium and application thereof |
| 04/14/2010 | CN101693775A Fixed microbe rubber granule filler, preparation and application thereof |
| 04/14/2010 | CN101693588A Alternative perpendicular flow artificial wetland rural sewage courtyard type landscape treating device |
| 04/14/2010 | CN101693587A Artificial wetland rural sewage courtyard type landscape treating device capable of denitrifying and dephosphorizing in regions |
| 04/14/2010 | CN101693586A Water treatment combined system in A/O biological reaction tank-artificial wetland |
| 04/14/2010 | CN101693585A Septic tank-artificial wetland rural sewage courtyard type landscape treating device |
| 04/14/2010 | CN101693584A Water recycling device in artificial wetland organic industrial water with high concentration |
| 04/14/2010 | CN101693583A Biochemical comprehensive treatment method for 1, 3-propylene glycol fermentation organism waste water |
| 04/14/2010 | CN101693582A Simple sewage treatment device of alternate aeration basin and treatment technique thereof |
| 04/14/2010 | CN101693581A Method of hydrolysis-catalytic iron-aerobic coupling for treating poisonous and harmful hard-degradation waste water |
| 04/14/2010 | CN101693580A Efficient compound biological treatment device |
| 04/14/2010 | CN101693579A Method for processing high-concentration wastewater containing alkaline mud |
| 04/14/2010 | CN101693578A Solidoid heterotrophy and electrochemical autotrophy integrated denitrification reactor for removing nitrate out of water |
| 04/14/2010 | CN101693577A Electrolytic-biological anaerobic reactor and technique thereof |
| 04/14/2010 | CN101693576A Technology for rapidly treating domestic sewage discharged without residual mud by second-stage adsorption |
| 04/14/2010 | CN101693575A Ferrate pre-oxidation-bioactivity filter combined water treatment method |
| 04/14/2010 | CN101693574A Method for treating waste water with high pH value, high sulfide content, high ammonia nitrogen content and high COD content |
| 04/14/2010 | CN101693573A Optimal design method of AAO process reaction tank |
| 04/14/2010 | CN101367575B Method for resourceful treatment of cadmium polluted wastewater |
| 04/14/2010 | CN101306874B Double-cycling anaerobic reactor |
| 04/14/2010 | CN101279794B Enhanced endogenous denitrification process and device for denitrification and phosphorus removal by using film-bioreactor |
| 04/14/2010 | CN101240253B Method for concentrating normally and highly effective nitrobacteria in active sludge |
| 04/14/2010 | CN101234821B Method for treating landscape water body eutrophication pollution |
| 04/14/2010 | CN101130194B Method for comprehensive processing garbage of food and recycling to use |
| 04/14/2010 | CN101045585B Side-setted biological purifying method of river surface pollution |
| 04/13/2010 | US7695624 Method and system for treating water and utilizing a membrane filtering system |
| 04/13/2010 | US7695623 Weighting agent impregnation subsystem includes tank for mixing; virgin and recycled weighting agent; impregnating weighting agent into biological flocs suspended in the mixed liquor; flocculant injection port located downstream from aeration tank; clarification, agglomeration, settling, circulation |
| 04/13/2010 | US7695622 System and method for eliminating sludge via ozonation |
| 04/13/2010 | US7695621 Method of supporting denitrification |
| 04/13/2010 | US7695620 Tertiary filter septic system and method |
| 04/10/2010 | CA2640920A1 Feedback system for enhancing elimination of biomass in sewage sludge |
| 04/08/2010 | WO2010039923A2 Biocidal compositions and methods of use |
| 04/08/2010 | WO2010006320A3 Biological processing for beneficial use |
| 04/08/2010 | US20100084337 Apparatus and methods for control of waste treatment processes |
| 04/08/2010 | DE202009016768U1 Vorrichtung zur Belüftung und Klärung von Gewässern Apparatus for aeration and clarification of waters |
| 04/07/2010 | EP2172430A1 A method for removing the contamination of c, n utilizing heterotrophic ammonia-oxidizing bacteria |
| 04/07/2010 | EP2172339A2 Membrane film for biogas assemblies |
| 04/07/2010 | EP2171093A1 Biological enhancement of hydrocarbon extraction |
| 04/07/2010 | CN201436288U Oxidation ditch sewage treating device |
| 04/07/2010 | CN201436287U Sewage purification treatment biological membrane zone suspension and fixing ladder device |
| 04/07/2010 | CN201436286U Combined sewage treatment equipment module |
| 04/07/2010 | CN201436285U Aeration tube and aeration device for treating sewage |
| 04/07/2010 | CN201436284U Defoaming device for coking wastewater treatment |
| 04/07/2010 | CN101691569A Bacillus cereus microbial preparation and method for treating nitrogenous waste water by using microbial preparation |
| 04/07/2010 | CN101691553A New low-temperature-resistant strain and application thereof in low-temperature sewage treatment |
| 04/07/2010 | CN101691550A Microbial inoculum for improving water body and structure of biological intestinal colony, and preparation method and application thereof |
| 04/07/2010 | CN101691547A Method for restoring micro-scale polluted reservoir water by using situ bio-contact oxidation |
| 04/07/2010 | CN101691537A Integrated processing method for byproducts in lignocellulose-refining fuel ethanol |
| 04/07/2010 | CN101691436A Magnetic microbial carrier and preparation method thereof |
| 04/07/2010 | CN101691270A Assembled packing artificial vertical subsurface flow wetland unit, application thereof and sewage treatment process |
| 04/07/2010 | CN101691269A Method for pre-treating difficultly-degradable wastewater by catalyzed iron inner electrolysis fluidized bed |
| 04/07/2010 | CN101691268A Biochemical reaction tank and denitrification and dephosphorization process thereof |
| 04/07/2010 | CN101691267A Air lift and return integrated sewage treatment device |
| 04/07/2010 | CN101691266A Integral water clarifier for treating high concentrated organic wastewater and normal water |
| 04/07/2010 | CN101691265A Building method combining centralized drinking water head site plane source pollution prevention and control in mountainous areas with drinking water engineering |
| 04/07/2010 | CN101691264A Sewage treatment method of bamboo charcoal cylindrical sludge quality modifier and cylindrical quality modifier thereof |
| 04/07/2010 | CN101691258A Novel biological water purifying sphere and preparation process thereof |
| 04/07/2010 | CN101691257A Submerged ecological bed for purifying eutrophic waterbody and application thereof |
| 04/07/2010 | CN101691256A Tri-phase separator of anaerobic reactor |
| 04/07/2010 | CN101691255A Treatment method of oil-and-fat containing drainage |
| 04/07/2010 | CN101293697B Biological treatment method for sewage water and waste gas generated by livestock and poultry cultivation |
| 04/07/2010 | CN101225366B Minimal gingivalis T7-7 degrading hydrocarbon under low temperature and uses thereof |
| 04/07/2010 | CN101186898B Paracoccus and application thereof in nitrogenous heterocyclic compound degradation |
| 04/07/2010 | CN101161944B Construction technique for beach saline land landscape water aquatic plant system |
| 04/07/2010 | CN101077808B Aeration-less water treatment system |
| 04/06/2010 | US7691269 Converting a gravity clarifier(s) of an existing water treatment system to a biological reactor(s)by adding a high-rate clarifier downstream; or upstream and downstream; magnetic seeding/separation technologies to correct problems at municipal water treatment facilities |
| 04/06/2010 | US7691268 Waste gas/wastewater treatment equipment and method of treating waste gas/wastewater |
| 04/06/2010 | US7691267 Multi-gas bioreactor and related methods |
| 04/06/2010 | US7691262 System for treating wastewater having a controlled reaction-volume module usable therein |
| 04/06/2010 | CA2181334C Bacterial strains of genus bacillus closely phenotypically related to genus lactobacillus, culture method and use |
| 04/01/2010 | WO2010036107A1 Settling device, purifier comprising a settling device and methods for anaerobic or aerobic purification of waste water |
| 04/01/2010 | WO2010035800A1 System for water purification and method of increasing dissolved-oxygen concentration in water to be purified |
| 04/01/2010 | WO2010035436A1 Membrane cartridge |
| 04/01/2010 | WO2010035435A1 Membrane cartridge |
| 04/01/2010 | WO2010003397A3 Method for producing methane from process water and biogenic material |
| 04/01/2010 | WO2008157669A9 Wastewater treatment system with simultaneous separation of phosphorus and manure solids |
| 04/01/2010 | US20100078393 Biocidal compositions and methods of use |