| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 09/25/2013 | CN102583902B Treatment system for comprehensive utilization of rural sewage |
| 09/25/2013 | CN102583720B Deep-water type down-umbrella aerator impeller |
| 09/25/2013 | CN102502981B Urban lake reservoir water environment pollution remediation method |
| 09/25/2013 | CN102502965B Method and device for controlling biological treatment process of early landfill leachate |
| 09/25/2013 | CN102491545B Double-curved-surface stirring aerator |
| 09/25/2013 | CN102381450B Artificial floating island for planting on water and planting groove thereof |
| 09/25/2013 | CN102317218B Plant for aerobic and anaerobic digestion treatment by PFR |
| 09/25/2013 | CN102284213B Composite filter material for sewage treatment and preparation method thereof |
| 09/25/2013 | CN101962244B Livestock breeding wastewater nutrient pollution control and recycling process |
| 09/25/2013 | CN101861286B Wastewater treatment process and plant comprising controlling the dissolved oxygen concentration |
| 09/25/2013 | CN101792352B Special high-efficiency compound fertilizer for freshwater aquiculture |
| 09/24/2013 | US8541220 Isomerases, nucleic acids encoding them and methods for making and using them |
| 09/24/2013 | US8541215 Microorganisms, selenium acid compound-reducing agent, method for reducing and method for removing selenium acid compound, and process for producing metallic selenium |
| 09/24/2013 | US8540877 Ballasted sequencing batch reactor system and method for treating wastewater |
| 09/19/2013 | WO2013138201A1 Improved algae scrubber macroalgal attachment appendages |
| 09/19/2013 | WO2013137322A1 Waste water treatment method |
| 09/19/2013 | WO2013137122A1 Method and system for controlling microbial reactions in benthic soil |
| 09/19/2013 | WO2013137010A1 Novel bacillus microbes and use of same |
| 09/19/2013 | WO2013136939A1 Water treatment system and water treatment method |
| 09/19/2013 | WO2013136531A1 Multiple-disc type air microbubble diffuser |
| 09/19/2013 | US20130244306 Microbe for reducing total dissolved solids from wastewater |
| 09/19/2013 | US20130240420 System and Process for Removing Nitrogen Compounds and Odors from Wastewater and Wastewater Treatment System |
| 09/19/2013 | DE102012005472A1 Device useful for aerating water, preferably waste water in container comprises tube provided with perforations for exit of air bubbles, radially projecting bridge, first and second fastening devices connected to container base and port |
| 09/19/2013 | DE102012005132A1 Use of filler bodies in filters for purifying water of garden ponds, which are completely or partially made of biologically biodegradable artificial- or natural materials that facilitate colonization by microorganisms |
| 09/18/2013 | EP2637976A1 Method to support an emission-free and deposit-free transport of sulphide in sewer systems to waste water treatment plants and agent for use therein |
| 09/18/2013 | EP2637975A2 In-situ, microbial bio-remediation of aquatic environments |
| 09/18/2013 | EP2637806A1 Gel comprising reactive oxidant release agent |
| 09/18/2013 | CN203200710U Multifunctional ecological unit |
| 09/18/2013 | CN203200086U Wind energy aerator |
| 09/18/2013 | CN203200083U Artificial aquatic weed for water treatment |
| 09/18/2013 | CN203200082U Microbial suspended ball |
| 09/18/2013 | CN203200081U Three-dimensional artificial aquatic plant capable of removing total nitrogen |
| 09/18/2013 | CN203200080U Controlled planting and breeding facility of aquatic plant of compound ecological cleaning system |
| 09/18/2013 | CN203200079U Combined type artificial ecological floating island |
| 09/18/2013 | CN203200078U Efficient and composite stuffing biological filter |
| 09/18/2013 | CN203200077U Nitrogen and phosphorus removal floating fluidifying system by pressure aeration |
| 09/18/2013 | CN203200076U System for enhancing mass transferring effect of medium in water |
| 09/18/2013 | CN203200075U 复合生化污水处理罐 Complex biological wastewater treatment tank |
| 09/18/2013 | CN203200074U Sludge self-circulation dispersion sewage treatment device applicable to sewage reuse and direct discharge water body |
| 09/18/2013 | CN203200073U HySBA+HeDAF (hybrid suspended-carrier bio-film activated-sludge + high-efficiency dissolved air floatation) sewage treatment process system |
| 09/18/2013 | CN203200072U Sewage biological treatment device |
| 09/18/2013 | CN203200071U Device for integrated deodorization and sewage treatment of municipal sewage plant |
| 09/18/2013 | CN203200070U Aerator |
| 09/18/2013 | CN203200069U Water decanter |
| 09/18/2013 | CN203200068U Constant-temperature sewage treatment equipment of biochemical pool |
| 09/18/2013 | CN203194197U Floating plant control planting device of open water |
| 09/18/2013 | CN103313943A Method for recovering gas from shale reservoirs and purifying resulting produced water |
| 09/18/2013 | CN103306360A Multidimensional ecological drainage system for intercepting and controlling separate system rainwater pollutants into river |
| 09/18/2013 | CN103305553A Biological resourceful treatment method for ferrous sulfate |
| 09/18/2013 | CN103305536A Laccase gene, engineering bacteria and application |
| 09/18/2013 | CN103305443A Preparation and method for restoring ammonia nitrogen-containing industrial sewage |
| 09/18/2013 | CN103304241A Suspension ceramsite filter material for water treatment and production method thereof |
| 09/18/2013 | CN103304111A Water network hill area village sewage collection treatment system |
| 09/18/2013 | CN103304098A Volcanic filler-based sewage treatment system of biological aerated filter |
| 09/18/2013 | CN103304043A Pool healthy culture micro-ecologic water purifier |
| 09/18/2013 | CN103304042A Method for preparing rapid external carbon source through cassava ethanol wastewater |
| 09/18/2013 | CN103304041A Treatment method of Congo red dye wastewater |
| 09/18/2013 | CN103304040A Method for treating nitrogen-containing waste water by utilizing carbon fiber felt-immobilized pseudomonas aeruginosa |
| 09/18/2013 | CN103304039A Method for purifying production sewage by utilizing microorganisms |
| 09/18/2013 | CN103304038A Electrochemical-biological membrane synergistic reactor and application thereof in nitrogen-containing organic wastewater |
| 09/18/2013 | CN103304037A Method for treating sewage, generating electric energy and assisting fermentation by virtue of bioelectrochemical system |
| 09/18/2013 | CN103304036A Method for reducing sludge in sewage treatment |
| 09/18/2013 | CN103304035A Control agent for souring of produced water of onshore oil reservoirs and application method thereof |
| 09/18/2013 | CN103304034A Method and device for purifying water body with heavy-metal pollution |
| 09/18/2013 | CN103304033A Artificial wetland system taking oyster shell-waste brick-zeolite as composite filler |
| 09/18/2013 | CN103304032A System for treating coal gasification wastewater by using microalgae and treating method |
| 09/18/2013 | CN103304031A System and method for treating coal gasification wastewater by using microalgae |
| 09/18/2013 | CN103304030A Sewage treatment method for synchronizing nitrification and denitrification |
| 09/18/2013 | CN103304029A Artificial soil infiltration system for treating rural distributed sewage |
| 09/18/2013 | CN103304028A Nitrogen stirring method for anaerobic treatment |
| 09/18/2013 | CN103304027A Hybrid anaerobic sludge filtering bed |
| 09/18/2013 | CN103304026A Preparation method and use of compound immobilized biological carrier |
| 09/18/2013 | CN103304025A Biological carrier for treating sewage and application thereof |
| 09/18/2013 | CN103304024A Easy membrane formation type circulating bio-contact oxidation integrated reactor |
| 09/18/2013 | CN103304023A Powerless-aeration biological filtering bed |
| 09/18/2013 | CN103304022A Sewage treatment device containing magnetic carrier and sewage treatment method |
| 09/18/2013 | CN103304021A Panel ceramic ultrafiltration membrane bioreactor |
| 09/18/2013 | CN103304019A Waste liquid tank purifying device |
| 09/18/2013 | CN103299792A Grass planting method for purifying water quality |
| 09/18/2013 | CN102757158B Residence community domestic sewage treating system and method |
| 09/18/2013 | CN102746023B Constructed wetland matrix filling material for simultaneous nitrogen and phosphorus removal and its preparation method |
| 09/18/2013 | CN102701443B Anaerobic ammonia oxidizing bacteria bioreactor |
| 09/18/2013 | CN102674548B Sequencing batch A2O sewage treatment method |
| 09/18/2013 | CN102642931B Synthesis of biological agent rich in phosphorous content in natural water resources and application thereof |
| 09/18/2013 | CN102617711B Cation diffusion assisting protein DbsCDF and encoding gene and application thereof |
| 09/18/2013 | CN102603070B Vertical flow constructed wetland used for treating paint wastewater containing lead and cadmium and preparation method thereof |
| 09/18/2013 | CN102603062B Quick culture method for activated sludge during process of viscose waste water by SBR (Styrene Butadiene Rubber) technology |
| 09/18/2013 | CN102513066B Biological adsorbent, preparation method and application thereof |
| 09/18/2013 | CN102448895B Water circulation device for preventing algal bloom using sunlight |
| 09/18/2013 | CN102417278B Ecological wetland treatment system for treating industrial tail water |
| 09/18/2013 | CN101370739B Process and reactor for anaerobic waste water purification |
| 09/17/2013 | US8535534 Solids retention time uncoupling by selective wasting of sludge |
| 09/17/2013 | US8535533 Bioretention system with high internal high flow bypass |
| 09/17/2013 | US8535532 Systems and methods for wastewater treatment |
| 09/12/2013 | WO2013133703A1 Biomass conversion methods and systems |
| 09/12/2013 | WO2013133445A1 Wastewater treatment device, wastewater treatment method, wastewater treatment system, control device, control method, and program |
| 09/12/2013 | WO2013133444A1 Wastewater treatment device, wastewater treatment method, wastewater treatment system, control device, control method, and program |
| 09/12/2013 | WO2013133443A1 Wastewater treatment device, wastewater treatment method, wastewater treatment system, control device, control method, and program |
| 09/12/2013 | WO2013132612A1 Active sludge treatment method, and method for improving existing wastewater treatment facilities using said method |
| 09/12/2013 | WO2013132611A1 Active sludge treatment method, and method for improving existing wastewater treatment facilities using said method |