| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 12/25/2003 | US20030234217 Stimulating growth of alkane-utilizing bacteria to allow the bacteria to degrade at least a portion of the septic system wastewater; e.g., methane, ethane, propane and butane, to effectively biodegrade pollutants; aerobic or anaerobic |
| 12/24/2003 | WO2003106355A2 Reactor for thermophilic biological sludge degradation |
| 12/24/2003 | WO2003106354A1 Method of purifying fischer-tropsch derived water |
| 12/24/2003 | WO2003106353A1 Method of purifying fischer-tropsch derived water |
| 12/24/2003 | WO2003106352A1 Tidal vertical flow wastewater treatment system and method |
| 12/24/2003 | WO2003106351A1 Method of purifying fischer-tropsch derived water |
| 12/24/2003 | WO2003106346A1 Method of purifying fischer-tropsch derived water |
| 12/24/2003 | WO2003105987A1 Water treatment device and water treatment method |
| 12/24/2003 | WO2003105648A1 Bath and/or relaxation vessel |
| 12/24/2003 | WO2002028780A3 Apparatus and method for wastewater treatment with enhanced solids reduction (esr) |
| 12/24/2003 | DE20315451U1 Small sewage processing tank, to give water suitable for flushing toilets has a micro-filtration module in front of the outflow to retain bacteria and increase the activated sludge |
| 12/24/2003 | DE20220566U1 Vorrichtung zur Behandlung von Abwasser, Klärschlamm und organischen Substraten An apparatus for treating waste water, sewage sludge or organic substrates |
| 12/24/2003 | CN2594262Y Anaerobic particle sludge expanding beds |
| 12/24/2003 | CN2594261Y Plastic olive suspending fillers |
| 12/24/2003 | CN2594260Y Active filter material contact oxidative filtering pool |
| 12/24/2003 | CN2594257Y Normal water reutilizing device with nanometer material |
| 12/24/2003 | CN1462728A Technique for treating wastewater by using microorganism |
| 12/24/2003 | CA2489638A1 Tidal vertical flow wastewater treatment system and method |
| 12/18/2003 | WO2003104651A1 Aerating wheel |
| 12/18/2003 | US20030230529 Integrated tidal wastewater treatment system and method |
| 12/17/2003 | EP1370638A2 Bioreactor |
| 12/17/2003 | CN2592639Y Membrane-mud method anaerobic reactor |
| 12/17/2003 | CN2592638Y Submerged agitator |
| 12/17/2003 | CN2592637Y Microcirculation slow-release aerator |
| 12/17/2003 | CN2592636Y Efficient oxidation channel |
| 12/17/2003 | CN1461734A Method for restoring culturing aquatic environment by microcapsule life tonifying clean water composite bacteria |
| 12/17/2003 | CN1461733A Dynamic control method for actirated sludge process |
| 12/17/2003 | CN1131177C Flow-mixing oxygen-enriching precess for treating sewage |
| 12/17/2003 | CN1131176C Urban underground pipeline type sewage treatment equipment |
| 12/16/2003 | US6663777 Apparatus, system, and process for anaerobic conversion of biomass slurry to energy |
| 12/16/2003 | CA2201314C Microbiological parts washer |
| 12/11/2003 | WO2003101896A1 Apparatus and method for waste water treatment |
| 12/11/2003 | WO2003076340A3 Method and installation for producing ultrapure water |
| 12/11/2003 | WO2003074428A3 Pre- and post-treatment system and method for periphyton filtration using ozone |
| 12/11/2003 | US20030226805 Method of wastewater treatment with biological active carbon using recycled oxygen-enriched water and apparatus used therein |
| 12/11/2003 | US20030226804 Wastewater trickle tower biomedia strands arrangement |
| 12/11/2003 | US20030226803 Using ozone and base; supplying ultraviolet radiation; anaerobic digestion tanks |
| 12/11/2003 | US20030226797 Fibre membrane arrangement |
| 12/11/2003 | US20030226766 Electrolytic treatment of aqueous media |
| 12/10/2003 | EP1369386A2 Device for aeration of waste water and for cleaning a membrane assembly and small-scale waste water treatment plant containing this device |
| 12/10/2003 | EP1368280A1 Method for the treatment of aqueous effluent or solid waste residues |
| 12/10/2003 | CN1460712A Pseudomonads, its preparation method and application |
| 12/10/2003 | CN1460651A Honeycombed section biological fluidized composite reactor |
| 12/10/2003 | CN1460650A Aerobic-anaerobic air float separation biological fluidized composite reactor |
| 12/10/2003 | CN1460649A High-effective block-resisting soil biological waste water treatment system |
| 12/10/2003 | CN1130527C Torsion generator |
| 12/09/2003 | US6660516 Culture medium containing a carbon source and an electrolyzed water containing not more than 0.4 ppm chlorine produced during electrolyzing water containing an electrolyte in an electrolytic cell |
| 12/09/2003 | US6660164 Biochemically enhanced thermophlic treatment process |
| 12/09/2003 | US6660163 Waste treatment with control over biological solids |
| 12/09/2003 | US6659688 Waste vessel coverings comprising multilayer geotextiles having photostability and floatation strips formed from open-cell foams, used for suppressing release of odors or waste gases |
| 12/05/2003 | CA2431106A1 Electrolytic treatment of aqueous media |
| 12/04/2003 | WO2003099731A1 Method, apparatus, and separation device for biological wastewater purification |
| 12/04/2003 | WO2003099730A1 Water clarifying agent inducing catalytic reaction and method of clarifying water through activation of microorganism |
| 12/04/2003 | WO2003099425A1 Device for aerating and mixing waste water in a treatment reactor, use thereof for purifying wastewater and use thereof as fermenting reactor |
| 12/04/2003 | WO2003033419A3 Device and method for biologically treating waste water |
| 12/04/2003 | US20030222033 A filtration system for processing effluent from septic-based sanitation systems includes at least one treatment tank for receiving effluent from a septic tank. The tank includes filtering media therein, the filtering media adapted for |
| 12/04/2003 | US20030222028 An approach described herein as an activated iron sludge sequencing batch reactor ("AIS/SBR") process. The AIS/SBR method oxidizes and removes ferrous iron as iron oxides from iron-contaminated fluids (such as mining-related discharge |
| 12/04/2003 | US20030222016 Potable and process water reservoir covers are provided that exhibit an advantageous balance of rainwater drainage and light transmittance properties. The reservoir covers generally include one or more floatation panels formed from |
| 12/04/2003 | DE20314639U1 Modular water treatment assembly has upright rectangular pipe frame with a number of parallel hanging panels with plastic beads as micro-organism colony substrate |
| 12/04/2003 | DE20309772U1 Waste water treatment substrate discs for micro-organisms assembled from segments linked to adjacent discs by bushes and side-spacers |
| 12/04/2003 | CA2486804A1 Water purification agent employing catalytic reactions and water purification method employing the activation of microbes |
| 12/03/2003 | EP1367026A1 Drain treating method, drain treating device and drain treating system |
| 12/03/2003 | EP1366831A1 Method and system for treating organic matter utilizing substance circulation system |
| 12/03/2003 | EP1366804A1 Method of replacement of a filtration membrane of a filtration cartridge for activated sludge |
| 12/03/2003 | EP1366803A1 Method of repair of the sealing of a filtration membrane of a filtration cartridge for activated sludge |
| 12/03/2003 | EP1365996A1 Method for biological purification of effluents using biofilm supporting particles |
| 12/03/2003 | EP1365644A1 Device and method for holding water for accommodating and growing aquatic organisms |
| 12/03/2003 | EP0876303B1 Composition for the treatment of municipal and industrial waste-water |
| 12/03/2003 | EP0575314B2 Method and reactor for purification of water |
| 12/03/2003 | CN2589474Y Integrated anaerobic reactor and gas tank apparatus |
| 12/03/2003 | CN2589473Y Organic wastewater immediate processing device |
| 12/03/2003 | CN2589472Y Roof board of sewage and solid waste anaerobic high capacity processing pool |
| 12/03/2003 | CN2589471Y Honeycomb shape macromolecular stuffing |
| 12/03/2003 | CN2589470Y Sewage treating device |
| 12/03/2003 | CN1459425A Water cleaner for enclosed water area |
| 12/03/2003 | CN1459423A Treatment technology of polyvinglalcohol floating pulp waste water |
| 12/03/2003 | CN1129557C Aerobic sowage treatment technology uisng vertical deflecting biochemical reactor |
| 12/02/2003 | US6656367 Method for managing urban wastewater based on indications on pollutants |
| 12/02/2003 | US6656357 Wastewater treatment |
| 12/02/2003 | US6656249 Method for desulphurization of gases |
| 12/02/2003 | CA2144516C Method and apparatus for disposal and treatment of waste |
| 11/27/2003 | WO2003097817A1 Novel microorganism acidovorax temperans and uses therefor |
| 11/27/2003 | WO2003097541A1 Treatment of water |
| 11/27/2003 | WO2003097540A1 Method of treating organic waste water capable of phosphorus recovery and apparatus |
| 11/27/2003 | WO2003097534A2 Effluent treatment method and installation |
| 11/27/2003 | WO2003032718A3 Anaerobic ammonium oxidation for water treatment in recirculating aquaculture |
| 11/27/2003 | US20030217968 Biological method of phosphorus removal and biological phosphorus-removing apparatus |
| 11/27/2003 | US20030217954 Polluted water treatment system |
| 11/27/2003 | US20030217826 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality |
| 11/27/2003 | CA2486888A1 Novel microorganism acidovorax temperans and uses therefor |
| 11/27/2003 | CA2486442A1 Treatment of water |
| 11/26/2003 | EP1364916A1 Method of anaerobic digestion of organic and non organic waste to produce premium compost or recycled fuel |
| 11/26/2003 | EP1364915A1 A biological method of phosphorus removal and biological phosphorus-removing apparatus |
| 11/26/2003 | EP1364914A1 Method and system for treating nitrogen-containing compound |
| 11/26/2003 | EP1363857A2 Methods and apparatus for biological treatment of waste waters |
| 11/26/2003 | EP1363717A1 Filter |
| 11/26/2003 | CN2587857Y Biological filler assembling device |
| 11/26/2003 | CN1458083A Method for increasing waste water treating efficiency by improving activity of sulfate reducing bacteria |
| 11/26/2003 | CN1458082A Circular hydrolytic aerobic high efficiency waste water purifying device |
| 11/25/2003 | US6652752 Forming oil-in-water emulsion and adding bacterial culture that grows on petroleum hydrocarbons and nutrients |