| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 08/06/2008 | CN101234814A Printing waste water advanced treatment and reusing method adapted for medium and small-sized printing plant |
| 08/06/2008 | CN101234813A Biological treatment method for sewage by composite dynamic film and device thereof |
| 08/06/2008 | CN101234290A {(<ÊÍÍÏÍãËð·Â±¶ã°ÕÁ·´²ÎÚ¤¯¤Biofiltration composite filling material for controlling organic and malodorous gas>)} |
| 08/06/2008 | CN100408487C Efficient composite anaerobic reactor for treating high-concentration organic waste water |
| 08/06/2008 | CN100408484C Microwave energy saving water purifier |
| 08/05/2008 | USRE40448 Method for remediation of aquifers |
| 08/05/2008 | US7407793 Nitrosomonas and Nitrobacter for oxidizing ammonia and nitrite; aquaculture; use in shrimp ponds to increase yield and size |
| 08/05/2008 | US7407584 Denitrification of biomass involving aeration by injection of air including continuous measurement of input content of NH4 nitrogen; input content is measured and weighted by an offset in time to deduce a control for velocity of the air to be injected as a function of time; simultaneous denitrification |
| 08/05/2008 | US7407583 Adding oxygen and nutrients extracted groundwater and injecting the groundwater back into the ground, where nitrifying bacteria use the added oxygen to oxidize ammonia to nitrate and the nutrients encourage the in-situ nitrifying bacteria to grow and reproduce |
| 08/05/2008 | US7407582 First wastewater stream is directed to the activated sludge system that includes a reactor and a clarifier; second wastewater stream is directed to a ballasted flocculation system; effluent from both systems is directed into a mixing chamber and through the ballasted flocculation system; reduced BOD |
| 08/05/2008 | US7407581 Directly contacting the resin with a perchlorate-destroying microbial fluid product based upon an enrichment culture, a pure microbial culture or an enzymatic extract of a culture; controlled temperature of 5 to 30 degrees C |
| 08/05/2008 | US7407580 First reactor contains methanogenic bacteria, Phosphate Accumulating Organisms (PAO) and denitrifying bacteria; second reactor for treating an effluent from said first reactor; and third reactor contains PAO, heterotrophic bacteria and nitrifying bacteria; membrane separation reactor |
| 08/05/2008 | US7407579 Method and apparatus for treating ammonium-containing liquid |
| 08/05/2008 | US7407577 Tertiary filter septic system and method |
| 08/05/2008 | CA2535386C A gas bubble mixer |
| 08/05/2008 | CA2474765C Method and system for real-time control of sampling instruments in a batch operation |
| 07/31/2008 | WO2008089718A2 Bioremediation method for accelerated biological decomposition of petroleum hydrocarbons in sea ice-covered polar regions, and bacteria and enzyme mixtures as agents for carrying out said method |
| 07/31/2008 | WO2008073355A3 Modular systems and methods for fluid dispersion |
| 07/31/2008 | WO2007136831A3 Robotic pool cleaner with internal ultraviolet water sterilization |
| 07/31/2008 | US20080179259 Flow-through oxygenator |
| 07/31/2008 | US20080179242 Method for treatment of feedwaters by membrane separation under acidic conditions |
| 07/31/2008 | US20080179241 Advanced treatment method of ethanolamine-wastewater based on physico-chemical and biological coupling process |
| 07/31/2008 | US20080179240 System for removing pollutants from body of water comprising portable sealed container including pipes for inflow and outlet of water, high surface area substrate located in lower portion of container, and at least one emergent aquatic plant located in upper portion of container; may be mounted on truck |
| 07/31/2008 | US20080179231 High-Denitrification Shared Type Orbal Oxidation Ditch |
| 07/31/2008 | US20080178739 Photobioreactor systems and methods for treating CO2-enriched gas and producing biomass |
| 07/31/2008 | CA2673576A1 Bioremediation method for accelerated biological decomposition of petroleum hydrocarbons in sea ice-covered polar regions, and bacteria and enzyme mixtures as agents for carrying out said method |
| 07/30/2008 | EP1948570A1 A multi-phase process and plant for treatment of wastewater |
| 07/30/2008 | CN201093799Y Waste water disposal and heat-energy recovering apparatus combining solar energy and heat pump |
| 07/30/2008 | CN201092556Y Stagewise compound ecological bed |
| 07/30/2008 | CN201092555Y Highly-effective biological sewage treatment equipment |
| 07/30/2008 | CN201092552Y Small-sized waste water aeration apparatus |
| 07/30/2008 | CN201092551Y Underground integral device for treating life sewage water and generating marsh gas |
| 07/30/2008 | CN201092550Y Double-film type water treatment technical apparatus |
| 07/30/2008 | CN201092549Y Fully-automatic integral multifunctional water processor |
| 07/30/2008 | CN201092548Y Hitrosation nitration reactor |
| 07/30/2008 | CN201092547Y Aerator bounce hole |
| 07/30/2008 | CN201092546Y High-effective sewage water treatment bioreactor |
| 07/30/2008 | CN101231510A Control apparatus and method for maintaining automatic operation of SBR reactor |
| 07/30/2008 | CN101230326A Biological deferrization demanganization functional bacterium |
| 07/30/2008 | CN101230322A Novel medical stone micro-ecological repairing additive and preparation method thereof |
| 07/30/2008 | CN101229948A Method for treating city sewage by using anaerobic-aerobic two-stage membrane bioreactor |
| 07/30/2008 | CN101229947A Aerobic particle sludge method for treating town sewage and aerobic particle sludge thereof |
| 07/30/2008 | CN101229946A Biological aerated filter filtering material for treating sewage and preparation method thereof |
| 07/30/2008 | CN101229945A Biological aerated filter filler using waste material as raw material and preparation method thereof |
| 07/30/2008 | CN101229944A Intensified biological treatment method for high strength ammonia wastewater |
| 07/30/2008 | CN101229943A Method for treating hydrogen sulfide by intensifying activity of indigenous microorganism |
| 07/30/2008 | CN101229938A Method for controlling or alleviating membrane pollution of membrane bioreactor by regulating operation condition |
| 07/30/2008 | CN101229937A High-load capillary infiltration trench system for treating domestic wastewater |
| 07/30/2008 | CN101229936A Method and equipment for reclaiming refining and chemical wastewater |
| 07/30/2008 | CN100406399C Method and system for harnessing consumer waste landfill percolate |
| 07/30/2008 | CN100406398C Sequential air lifting circulation waste water biological treatment reactor and its treating process |
| 07/30/2008 | CN100406397C Organic waste-water treating apparatus utilizing coal slag |
| 07/29/2008 | US7405067 Pure culture of Pseudomonas putida TX2 (BCRC 910232) with capacity to grow on alkylphenol polyethoxylates or alkylphenols as sole source of carbon and energy; bioremediation of these nonionic surfactants |
| 07/29/2008 | US7404897 Introducing low strength ammonia wastewater to seed production reactor, creating autotrophic conditions within to promote nitrification, introducing carbon source, creating anoxic conditions, then recovering seed sludge |
| 07/29/2008 | CA2360385C Device and method for the treatment of contaminated media |
| 07/26/2008 | CA2617162A1 Wastewater flow equalization system and method |
| 07/24/2008 | WO2008088380A1 Device for in situ bioremediation of liquid waste |
| 07/24/2008 | US20080173581 Wast Water Treatment Process System |
| 07/23/2008 | EP1947063A2 Composition and method for the treatment of industrial and urban solid and semi-solid waste containing biodegradable organic material |
| 07/23/2008 | EP1945579A1 Wastewater treatment method and system |
| 07/23/2008 | EP1945578A1 Optoreactor |
| 07/23/2008 | EP1945574A1 Process for treating a solid-liquid mixture |
| 07/23/2008 | EP1945334A2 Efficient mbr operation in wastewater treatment |
| 07/23/2008 | CN101227831A Method for enriching lignocellulose residues with yeast protein |
| 07/23/2008 | CN101225379A Non-active immobilized yeast filler as well as preparation method thereof and method for treating heavy metal wastewater thereby |
| 07/23/2008 | CN101225366A Minimal gingivalis T7-7 degrading hydrocarbon under low temperature and uses thereof |
| 07/23/2008 | CN101224937A Reuse treating method for chemical industrial plasticizer waste water |
| 07/23/2008 | CN101224936A Process for treating coking wastewater |
| 07/23/2008 | CN101224935A Method for treating landfill leachate |
| 07/23/2008 | CN101224925A Composite plant cover wetland sewage treatment system having comprehensive benefits |
| 07/23/2008 | CN101224924A High-purification low-transpiration sewage treatment wetland system |
| 07/23/2008 | CN101224923A Method for treating domestic sewage by multi-stage biofilm filtration |
| 07/23/2008 | CN101224922A Biochemical complex water body treating method |
| 07/23/2008 | CN101224921A Waterpower resistance-adjusting waterpower self-adaptive control device |
| 07/23/2008 | CN101224920A Planetary rotating brush |
| 07/23/2008 | CN101224919A Oxygen-enriched reflux sedimentation tank |
| 07/23/2008 | CN101224359A Preparing method of suspended compound clay filtering material |
| 07/23/2008 | CN101224357A Two-stage dynamic membrane filtering method for printing and dyeing wastewater recycling |
| 07/23/2008 | CN100405655C Single pond type microbiological cell by using organic wastewater as fuel |
| 07/23/2008 | CN100404674C Process for inhibiting water-soluble expansibility of polyvinyl alcohol immobilized microorganism particles |
| 07/23/2008 | CN100404474C Method for preparing organic fertilizer from activated sludge of disused stuffing material |
| 07/23/2008 | CN100404473C Innocuity method for treating disused stuffing material |
| 07/23/2008 | CN100404437C Method for treating industrial waste water containing cadmium using waste beer yeast |
| 07/23/2008 | CN100404436C Culture method of aerobic nitrosated granular sludge |
| 07/22/2008 | US7402248 Active biological contactor (ABC); a modular wastewater treatment system |
| 07/22/2008 | US7402247 System for wastewater treatment and digestion having aerobic and anaerobic treatment zones |
| 07/22/2008 | US7402245 Digested sludge treatment apparatus |
| 07/17/2008 | WO2008086010A1 System and method for enhancing an activated sludge process |
| 07/17/2008 | WO2008084396A2 Process for biostabilization and humification of biological sludge in planted filtering beds |
| 07/17/2008 | WO2008083723A1 Method and device for the aerobic treatment of waste water |
| 07/17/2008 | WO2008063992A3 System and method for mixing high viscous liquids with gas |
| 07/17/2008 | US20080169238 Biosorption system produced from biofilms supported in faujasite (fau) zeolite, process obtaining it and its usage for removal of hexavalent chromium (cr(vi)) |
| 07/17/2008 | US20080169231 Upflow bioreactor with septum and pressure release mechanism |
| 07/17/2008 | US20080169229 Water circulation systems for ponds, lakes, and other bodies of water |
| 07/17/2008 | DE202008006028U1 Anordnung zur automatischen Erkennung von Schwimmschlamm Arrangement for automatic detection of floating sludge |
| 07/17/2008 | DE102007002107A1 Removing ammonium nitrogen from wastewater during biological treatment, pulsates wastewater at natural frequency of oxygen bubbles or particles |
| 07/17/2008 | CA2675019A1 System and method for enhancing an activated sludge process |
| 07/16/2008 | EP1943331A2 Bioremediation assembly and a method of bioremediation |
| 07/16/2008 | EP1943194A1 Process and reactor for anaerobic treatment of wastewater by means of a uasb |
| 07/16/2008 | EP1943193A1 Method for the treatment of ammonium-containing effluent by means of ph-regulation |