| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 09/01/2004 | CN1164508C Integral flocculation-biochemical sewage treating method and equipment |
| 09/01/2004 | CN1164507C Stuffing-throwing fluidized bed membrane bioreactor and water treating method |
| 09/01/2004 | CN1164506C Ceramic film tube bio-reaction and separation system |
| 08/31/2004 | US6783679 Improving biodegradability through chemical conditioning and controlled recycle of biosolids act to reduce net biosolids production to nearly zero |
| 08/31/2004 | US6783677 Anaerobic film biogas digester system |
| 08/31/2004 | US6783676 Water pollution control using plants |
| 08/31/2004 | US6783671 Enhanced activated sludge treatment |
| 08/31/2004 | US6783669 Rotating disk type sewage treatment device |
| 08/26/2004 | WO2004071973A1 Supported biofilm apparatus and process |
| 08/26/2004 | WO2004071969A1 Method for removing phosphate from water |
| 08/26/2004 | WO2004071963A2 Treatment system and method for remediating a body of water |
| 08/26/2004 | WO2004071959A2 Method and apparatus for determining weight and biomass composition of a trickling filter |
| 08/26/2004 | WO2004049352B1 Method for treating radioactive waste water |
| 08/26/2004 | US20040166576 Fungi and their symbiotic bacterial group suitable for treating organic waste, and uses thereof |
| 08/26/2004 | DE202004008036U1 Lagerbehälter Storage containers |
| 08/26/2004 | DE10327199A1 Removing phosphorus compounds, especially phosphate, from water, by contacting with anionic polymer containing alkaline earth or heavy metal cation, also inhibiting algal growth |
| 08/26/2004 | DE10244323B4 Vorrichtung für die Behandlung von fetthaltigem Abwasser vor dessen Einleitung in das Abwasserleitungsnetz Device for the treatment of greasy wastewater prior to its introduction into the sewer network |
| 08/26/2004 | CA2512759A1 Supported biofilm apparatus and process |
| 08/25/2004 | EP1449814A1 Fungi and their symbiotic bacterial group suitable for treating organic waste, and uses thereof |
| 08/25/2004 | EP1449813A1 DEVICE AND METHOD FOR BIO−MEMBRANE FILTRATION |
| 08/25/2004 | EP1449436A1 Bioconditioner |
| 08/25/2004 | EP1448049A1 Process and means for the treatment of water in an aquaculture system |
| 08/25/2004 | EP1365644B1 Device and method for holding water for accommodating and growing aquatic organisms |
| 08/25/2004 | CN2635667Y Continuous batch aerating sequential sewage treatment device with biological phosphorus removing |
| 08/25/2004 | CN2635666Y Novel biological carrier fluidizing filling |
| 08/25/2004 | CN2635665Y Composite water treatment filling |
| 08/25/2004 | CN2635664Y Micropressure internal circulation biological membrane sewage treatment device |
| 08/25/2004 | CN2635663Y Micropressure internal circulation composite biological sewage treatment device |
| 08/25/2004 | CN1523956A Aquarium filter system |
| 08/25/2004 | CN1522973A Alcohol type fermenting organism desulfurization method for treating sulfate organic wastewater |
| 08/25/2004 | CN1522972A Method for preparing magnetic filling with biological affinity, hydrophilicity and activity for water treatment |
| 08/25/2004 | CN1522971A Preservation method for granulated sludge containing anaerobic bacteria |
| 08/25/2004 | CN1163427C Sewage treatment method and equipment thereof |
| 08/25/2004 | CN1163423C Mixing and oxygen-enriching equipment for treating sewage |
| 08/25/2004 | CN1163422C Biological rotary cage whole set equipment |
| 08/25/2004 | CN1163420C Method and equipment for treating water containing phosphate radical ion |
| 08/24/2004 | US6780631 Decomposition of oil; obtain oil, expose to bacterial composition, monitor decomposition of oil by bacteria |
| 08/24/2004 | US6780319 Degrading organic matter in water by microorganisms to produce sludge, separating water and sludge, degrading sludge by contacting with ozonated gas, recycling to biological treatment step |
| 08/24/2004 | US6780318 Adding facultative anaerobic bacteria to an effluent that flows into disposal trench for recovering a soil-based disposal trench that has a biomat slime |
| 08/24/2004 | US6780317 Method of purifying water, suitable bacteria for the method and use thereof |
| 08/19/2004 | WO2004069756A1 Biological purification of water |
| 08/19/2004 | WO2004069755A1 Method for producing a useful compound and treating a wastewater using pure oxygen |
| 08/19/2004 | US20040159607 Ammonia nitrification over a carbonate alkalinity source |
| 08/19/2004 | DE202004004084U1 Small-scale waste water aeration assembly has vertical sidewall with stainless steel pipe and vertical rail guide for variable-depth pump |
| 08/19/2004 | CA2515113A1 Biological purification of water |
| 08/18/2004 | EP1446358A1 Integrated anaerobic digester system |
| 08/18/2004 | EP1446241A1 Bioremediation |
| 08/18/2004 | EP1402123A4 Toilet system |
| 08/18/2004 | EP1062059B1 Bacterium capable of biodegradation of wastes |
| 08/18/2004 | CN2633877Y Float bed type water purifying biological reactor |
| 08/18/2004 | CN2633876Y Float biological filler |
| 08/18/2004 | CN2633875Y Combined filler for waste water biochemical treating pool |
| 08/18/2004 | CN2633874Y Biological oxidation solid-liquid separation intelligent water treatment device |
| 08/18/2004 | CN2633873Y Internal circulation biological reactor |
| 08/18/2004 | CN2633872Y ICAST treatment self control and monitoring device for waste water reutilizing in small community |
| 08/18/2004 | CN1521132A Zero-discharge of water glass effluents by alkaline biotreatment techniques |
| 08/18/2004 | CN1521131A Biochemical reactor for treating sewage |
| 08/18/2004 | CN1162358C Treating system for waste water |
| 08/18/2004 | CN1162356C Integral electrochemical denitration method and reactor |
| 08/18/2004 | CN1162355C Biochemical process of treating metal-containing waste water |
| 08/18/2004 | CN1162354C Method for biochemically treating wastewater |
| 08/18/2004 | CN1162353C Anaerobic-aerobic process for treating sewage by biochemical reactor with vertical baffling |
| 08/18/2004 | CN1162352C Membrane bioreactor using non fabric filtration |
| 08/18/2004 | CN1162351C Process for treating sewage by alternative bioadsorption-biorgeneration trickling filter tower |
| 08/18/2004 | CN1162350C Biological method for cleaning water of river and lake |
| 08/18/2004 | CN1162333C Method of restoring nutrition enriched shallow lake aquatic vegetation |
| 08/18/2004 | CN1162332C Purifying method and purification system for lakes and marshes |
| 08/17/2004 | US6776903 Solids suspended in waste water can be filtered without consuming a large amount of electrical energy |
| 08/17/2004 | US6776568 Treatment of waste materials |
| 08/13/2004 | CA2458566A1 Membrane supported biofilm apparatus and process |
| 08/12/2004 | WO2004067457A1 Sewage and sludge disposal equipment |
| 08/12/2004 | WO2004067197A1 Method of treating organic waste, agent for treating organic waste and microorganisms to be used therein |
| 08/12/2004 | US20040157317 Electron donors for chlorinated solvent source area bioremediation |
| 08/12/2004 | US20040157313 Ammonia-oxidizing bacteria |
| 08/12/2004 | US20040155368 Device for stirring and data aerating a liquid in a treatment vessel |
| 08/12/2004 | US20040154990 Treatment system and method for remediating a body of water |
| 08/12/2004 | US20040154983 Dry cycle anaerobic digester |
| 08/12/2004 | US20040154982 Anaerobic film biogas digester system |
| 08/12/2004 | US20040154981 supply facility for use in providing organic waste material; alfalfa and clover cultivars for use in combination with organic waste management systems |
| 08/12/2004 | DE19859862B4 Verfahren und Vorrichtung zur Grundwassersanierung mittels Dichtwand-Heber-Reaktor Method and apparatus for groundwater remediation using cut-off wall-lift reactor |
| 08/11/2004 | EP1445240A1 Cyclic aeration system for submerged membrane modules |
| 08/11/2004 | EP1445239A1 Process to influence the sludge volume index for reducing floating sludge in sewage works |
| 08/11/2004 | EP1444327A1 Variovorax strains capable of degrading methyl tert-butyl ether and their use |
| 08/11/2004 | EP1444170A2 Microbiological energy source for operating a consumer |
| 08/11/2004 | EP1444167A1 Improvements in and relating to fluid bed expansion and fluidisation |
| 08/11/2004 | CN2632078Y Fecal sewage treating apparatus by bubble carried microorgans |
| 08/11/2004 | CN2632077Y Toilet sewage treating apparatus by composite microbe and nanometer composite carrier |
| 08/11/2004 | CN2632076Y Jetting aeration distributor |
| 08/11/2004 | CN2632075Y Multiple point mud sucker for batch style activated mud reaction pool |
| 08/11/2004 | CN2632074Y Waste water biological method treater |
| 08/11/2004 | CN2632073Y Duoble-bed ceramic particle biological filtering pool |
| 08/11/2004 | CN1520255A Denitrification of aquarium water |
| 08/11/2004 | CN1519312A Erythro micrococcus Em and usage for generating biologic emulsifier as well as degrading polycyclic aromatic hydrocarbon |
| 08/11/2004 | CN1519211A Sequential batch type method and equipment for treating waterwater by using biologic dephosphorization and intermittent aeration continuously |
| 08/11/2004 | CN1519209A Compound nano biology medium |
| 08/11/2004 | CN1161291C Power generation technique by utilizing sewage treatment |
| 08/11/2004 | CN1161287C Method of treating waste stream using photosynthetic microorganisms |
| 08/11/2004 | CN1161286C Purification system for disposal of polluted or waste water using water plants |
| 08/11/2004 | CN1161285C Oxygen dissolving equipment for sewage treatment |
| 08/11/2004 | CN1161282C Method of treating cyclization hydrolysis effluent and reusing resource in lipoic acid production |