| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 08/05/2009 | CN100522312C Fiber filtering component with honeycomb wall cross section structure |
| 08/04/2009 | US7569148 Continuous membrane filtration and solids reduction |
| 08/04/2009 | US7569147 Screening of inert solids from a low-yield wastewater treatment process |
| 08/04/2009 | US7569146 By-products from fermentation still bottoms |
| 08/04/2009 | CA2402162C Composite particles and methods of their use |
| 07/30/2009 | WO2009093991A2 Method and apparatus for the purification of waste water with the sequence of accumulating container, three biological reactors and apparatus for the afterpurification |
| 07/30/2009 | WO2009092915A2 Installation for the treatment of wastewaters and biological disc for such an installation. |
| 07/30/2009 | WO2009044076A3 Method for continuous processing of solid organic products and installation for continuous processing of solid organic products |
| 07/30/2009 | US20090188859 Adding a nitrate to a waste water stream containing at least one undesirable constituent to control hydrogen sulfide levels; and adding an oxidizer to the waste stream to inhibit floatation of the undesirable constituent. |
| 07/30/2009 | US20090188858 Entrapping immobilization pellets for purifying breeding water, process and apparatus for purifying breeding water, and aquarium set |
| 07/30/2009 | US20090188850 System for treating residual water |
| 07/29/2009 | EP2082798A1 Method for biological purification of water |
| 07/29/2009 | CN201280479Y Mildly polluted water in-situ treating apparatus |
| 07/29/2009 | CN201280478Y 淀粉废水生态净化系统 Starch wastewater purification systems ecology |
| 07/29/2009 | CN201280477Y HE-IC anaerobic reactor |
| 07/29/2009 | CN201280476Y Sewage treatment apparatus |
| 07/29/2009 | CN201280475Y Rotational flow-jetting high-efficiency aeration head |
| 07/29/2009 | CN201280474Y High-efficiency turbulent flow type ejector |
| 07/29/2009 | CN201280473Y Aerating biological carrier fluidization pool |
| 07/29/2009 | CN201280472Y Flow pushing apparatus and biological sewage processing apparatus employing the same |
| 07/29/2009 | CN201280471Y Aerator |
| 07/29/2009 | CN201280470Y Unpowered pontoon decanter |
| 07/29/2009 | CN201280469Y Water in-situ treating biological grid for polluted riverway |
| 07/29/2009 | CN201280468Y Combined biological oxidation bacterial colony grower |
| 07/29/2009 | CN201280467Y Sheet shaped corrugated filler |
| 07/29/2009 | CN201280466Y Aeration apparatus and water treatment equipment employing the same |
| 07/29/2009 | CN101492206A Method for in situ restoring groundwater azotate pollution with corn stalk |
| 07/29/2009 | CN101492205A Low-resistance anti-block vertical flow wetland structure |
| 07/29/2009 | CN101492204A Method for preventing and treating lichen in sea water culture pond |
| 07/29/2009 | CN101492203A Ecological pond simulating system for cultivation of advanced waste treatment |
| 07/29/2009 | CN101492202A Micro-net dynamic membrane bioreactor for continuously updating dynamic membrane |
| 07/29/2009 | CN101492201A Groundwater aeration reinforcing technique |
| 07/29/2009 | CN100519444C Multistage yeast low-oxidation processing method for treating high concentrated organic wastewater |
| 07/29/2009 | CN100519443C Method for in situ repairing eutrophication surface water |
| 07/29/2009 | CN100519442C Controllable fast reservior blue-green alga bloom eliminating method |
| 07/29/2009 | CN100519441C Drain treating device |
| 07/29/2009 | CN100519440C Method for treating wastewater by technique of sludge decrement type biomembrane piled ball packing |
| 07/28/2009 | US7566400 Wastewater chemical/biological treatment method and apparatus |
| 07/28/2009 | US7565883 Calcareous organism growth accelerator |
| 07/25/2009 | CA2617086A1 An aerobic compost tea making device |
| 07/23/2009 | WO2009091167A2 Method for manufacturing inorganic porous body supported with microorganisms of high concentration |
| 07/23/2009 | WO2009090725A1 Membrane-separation active sludge system to be located outside tank |
| 07/23/2009 | WO2009090475A2 Removal of hard particles embedded in waste |
| 07/23/2009 | WO2009003603A8 Apparatus and method for the purification of grey water |
| 07/23/2009 | US20090184050 Systems and Methods for Watercraft Having Marine Environment Enhancement Capability |
| 07/23/2009 | DE102008005412A1 In-situ neutralization of sulfuric acid-containing opencast mine water e.g. edge tube water, comprises introducing partial supply of opencast mine water from water into first basin closed against outer oxygen-containing air atmosphere |
| 07/23/2009 | CA2710201A1 Integrated bio-digestion facility |
| 07/23/2009 | CA2710200A1 Apparatus, methods and systems for handling and processing waste material |
| 07/22/2009 | EP2080840A1 Drainage device |
| 07/22/2009 | EP1392110A4 Aquarium filter system |
| 07/22/2009 | CN201276460Y Ecological purification microporous tube aeration tank for domestic sewage |
| 07/22/2009 | CN201276459Y Novel contamination resistant immersed organic plain membrane-MBR reactor |
| 07/22/2009 | CN201276458Y Ultra-light fibre suspending ball |
| 07/22/2009 | CN201276457Y Combination type stuffing for sewage treatment |
| 07/22/2009 | CN201276456Y Novel membrane bioreactor membrane stack |
| 07/22/2009 | CN201276455Y Hollow fiber membrane component with multiple water collecting boxes at the middle part |
| 07/22/2009 | CN101486513A Tandem type water in situ biological purification caisson sinking grid floating island |
| 07/22/2009 | CN101486512A Ecological repair method for shallow water lake shore zone |
| 07/22/2009 | CN101486511A Air lift intermittent internal circulation denitrification dephosphorization sewage treatment process and apparatus |
| 07/22/2009 | CN100515965C Micro filtering discharging processor |
| 07/22/2009 | CN100515964C Micro-power synchronous denitrification phosphorous removal biochemical water treatment technology |
| 07/22/2009 | CN100515958C Method and device for the comminution of particulate organic substances in suspensions of microorganisms |
| 07/21/2009 | US7563613 Using bioparticles partition (enzymes) to biotransform toxin or drug targets; for reducing chemical concentrations and biological effects of drugs, sarin, mustard gas, or nerve gas |
| 07/21/2009 | US7563374 Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment process |
| 07/21/2009 | US7563372 Sulfur dioxide chemical and mechanical dewatering method and apparatus optimizes sewage treatment by employing the advantages of both chemical and mechanical separation and treatment techniques; sulfur dioxide agglomerate solids for separation |
| 07/21/2009 | US7563371 Hull assembled from pre-made sections that contains large bubble of biogas over biomass feedstock, where feedstock is pushed into digester using pump and baffles, and where biogas is drawn off digester through pressure regulated gas manifold; set of inoculation surfaces along digester; cost effeciency |
| 07/21/2009 | US7563366 System for removing BOD and suspended solids through an activated sludge process and a ballasted flocculation process |
| 07/21/2009 | CA2443008C Periphyton filtration pre- and post-treatment system and method |
| 07/21/2009 | CA2158407C A process and apparatus for treating waste water |
| 07/16/2009 | WO2009089114A1 Aspirator |
| 07/16/2009 | WO2009088839A2 Multi-step method for producing algae products |
| 07/16/2009 | WO2009088647A1 Fluid filtration articles and methods of making and using the same |
| 07/16/2009 | WO2009088546A2 System and method for treating produced water |
| 07/16/2009 | WO2009087508A1 Production of heterologous proteins or peptides |
| 07/16/2009 | WO2009087247A1 Device and method for measuring the oxygen uptake rate of activated sludge for a determined concentration of a biodegradable organic substrate |
| 07/16/2009 | WO2009086584A1 Biological nitrogen removal |
| 07/16/2009 | WO2009068995A3 Process for the treatment of wastes combining a phase of treatment by methanization and a phase of thermophilic aerobic treatment |
| 07/16/2009 | US20090180990 Composition for maintaining healthy kidney function |
| 07/16/2009 | CA2711257A1 Multi-step method for producing algae products |
| 07/15/2009 | EP2078703A1 Method for denitrification of wastewater in a sewage treatment plant |
| 07/15/2009 | EP2078702A1 Apparatus and discontinuous method for cleaning waste water |
| 07/15/2009 | CN201272717Y Intermittent unpowered vertical current type artificial wetland sewage processing system |
| 07/15/2009 | CN201272716Y High-efficiency sewage denitriding apparatus |
| 07/15/2009 | CN201272715Y Integral film biological sewage treating device |
| 07/15/2009 | CN201272714Y Sludge selector |
| 07/15/2009 | CN201272713Y Sewage treatment bioreactor |
| 07/15/2009 | CN201272712Y MBR-TM film component |
| 07/15/2009 | CN201272711Y Filler for sewage treatment |
| 07/15/2009 | CN101484393A Silica or alumina ceramic diffuser for generating microbubbles, method for manufacturing the same and method for wastewater treatment using air- floatation process using the same |
| 07/15/2009 | CN101481178A Sewage treatment process and apparatus for synchronous electrogenesis desalinisation |
| 07/15/2009 | CN101481177A Surface flow-horizontal undercurrent composite manpower wetland system |
| 07/15/2009 | CN101481176A Water distribution apparatus and method for up-flow anaerobic sludge bed |
| 07/15/2009 | CN101481175A V shaped groove type microgrid component capable of continuously on-line updating dynamic membrane and use method thereof |
| 07/15/2009 | CN101481174A V shaped groove type microgrid component capable of continuously on-line updating dynamic membrane and use method thereof |
| 07/15/2009 | CN101481173A Wastewater biological contact oxidation pond |
| 07/15/2009 | CN101481172A Modularized bioreactor |
| 07/15/2009 | CN101481171A Biological treatment apparatus and method for wastewater containing volatile organic matter |
| 07/15/2009 | CN100513330C Composite bioreactor for treating high-concentration hardly-degradable waste water |
| 07/15/2009 | CN100513329C Domestic sewage treating underflow ecological bed method and apparatus |
| 07/15/2009 | CN100513328C Matrix composition recipe for sewage treating artificial wet land |