| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 10/03/2007 | CN100340301C Deodorizing and bacteriostasis method for exhaust pipeline of bath room and kitchen |
| 10/02/2007 | US7276165 Filling a single aeration tank with high mass loading in which raw or mechanically pretreated effluent is mixed, without prior settling, with a free microbial culture of the activated sludge type, growing in a lightly aerated medium |
| 10/02/2007 | US7276164 Wastewater point source biological nitrification of high nitrate and/or high salinity effluents prior to conventional wastewater treatment |
| 10/02/2007 | US7276161 Water treatment apparatus |
| 10/02/2007 | US7276155 Waste treatment apparatus with integral membrane apparatus |
| 10/02/2007 | CA2531537C Bioreactor |
| 10/02/2007 | CA2199517C Installation for biological water treatment for the production of drinkable water |
| 09/27/2007 | WO2007108509A1 Circulatory biomass energy recovery system and method |
| 09/27/2007 | WO2007108175A1 Waste liquid treating apparatus |
| 09/27/2007 | WO2007108146A1 Overflow device for water tank |
| 09/27/2007 | WO2007108145A1 Filter device for water tank |
| 09/27/2007 | US20070221580 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 |
| 09/27/2007 | US20070221574 System, method, and apparatus for aeration and processing waste in aerobic wastewater management |
| 09/27/2007 | US20070221573 In-situ groundwater nitrification and de-nitrification remediation system |
| 09/27/2007 | US20070221572 Aerobic digestion of the putrescible biological part to produce stabilized waste which is easy to handle; separation, storage, compaction of biodegradable residuehaving high heat value; activation by water, anaerobid digestion tosupply biogas; plastic, plastic/paper and methane for energy uses |
| 09/26/2007 | EP1837310A2 Entrapping immobilization pellets and process for producing the same, and wastewater treatment process and equipment using the same |
| 09/26/2007 | EP1836221A2 Gram positive bacterial cells comprising a disrupted flagellin gene, flagellin-based fusion proteins and use in removal of metal ions from a liquid |
| 09/26/2007 | EP1836133A1 Biological process for reducing chemical and biochemical oxygen demand of pulp and paper industrial effluent |
| 09/26/2007 | EP1836132A1 Method and apparatus for the anaerobic treatment of waste |
| 09/26/2007 | EP1836131A1 Device for treating wastewater |
| 09/26/2007 | EP1836130A1 Multiport valve for wastewater treatment plant |
| 09/26/2007 | CN200951982Y Low wall partition upper flow distributing inner diffusion flax sewage multi-stage treatment tank |
| 09/26/2007 | CN200951980Y Housing estate closed water landscape hydrographic biological air-float treating apparatus |
| 09/26/2007 | CN200951979Y Integrated membrane biological reactor for life sewage deep treatment reusing |
| 09/26/2007 | CN200951978Y Pollutant-containing river channel water body in-situ treatment floating grid |
| 09/26/2007 | CN200951977Y Quasi-aerobic subcurrent artificial wet land |
| 09/26/2007 | CN200951976Y Housing district life sewage circulate purification treatment apparatus |
| 09/26/2007 | CN101044099A Method for treating waste water from plant for producing hydrocarbon or oxygen-containing compound |
| 09/26/2007 | CN101044096A Method and device for low-emission storage of biologically-degradable materials |
| 09/26/2007 | CN101041595A Method for producing agriculture fertilizer by sludge in water treatment plant |
| 09/26/2007 | CN101041539A Water quality purification method in source-free water area and facilities |
| 09/26/2007 | CN101041537A Method for treating percolation liquid of water deficiency area garbage embedding field |
| 09/26/2007 | CN101041536A Integrated waste water treating machine |
| 09/26/2007 | CN101041535A Highly effective dephosphorizing denitrification combined type sewage treatment equipment |
| 09/26/2007 | CN101041534A Electroplating wastewater treatment reclaiming technique |
| 09/26/2007 | CN101041533A Denitrogenation dephosphorizing technique for integral sewage treatment |
| 09/26/2007 | CN101041532A Printing and dyeing waste water treatment method based on film technology |
| 09/26/2007 | CN101041531A Multiple combined technique for high concentration hard-degraded organic waste water treatment |
| 09/26/2007 | CN101041515A Artificial marshland composite vegetation water treatment system |
| 09/26/2007 | CN101041514A Biological controlled reactor for active sludge filamentous bacterium and technique |
| 09/26/2007 | CN101041513A Gas-lifting type self-circulating anaerobic bioreactor |
| 09/26/2007 | CN101041512A Diaphragm type oxygenate apparatus |
| 09/26/2007 | CN101041511A Entrapping immobilization pellets and process for producing the same, and wastewater treatment process and equipment using the same |
| 09/26/2007 | CN101041510A External membrane bioreactor system for sewage treatment and method thereof |
| 09/26/2007 | CN101041509A Circulation flow ring-shaped biological denitrification phosphorous removal technique |
| 09/26/2007 | CN101041508A Biodisc reactor disc and manufacturing method thereof |
| 09/26/2007 | CN101041507A Film coating method of filling material in biological contact oxidation pond |
| 09/26/2007 | CN101041506A 反应器 Reactor |
| 09/26/2007 | CN101041505A Cladophora and transparent daphnia combined algae control method |
| 09/26/2007 | CN101041504A Silver carp, grass carp, cladophora oligoclona and daphnia hyaline cooperated algae control method |
| 09/26/2007 | CN100339317C Aerating biological filter pool filler and production thereof |
| 09/26/2007 | CN100339313C Method for clarifying waste water containing organic material |
| 09/25/2007 | US7273553 Method for the treatment of waste water with sludge granules |
| 09/25/2007 | US7273552 Bioremediation |
| 09/25/2007 | CA2375581C Prefabricated biological purification apparatus |
| 09/25/2007 | CA2284403C Device for agitating a liquid in a reactor and for injecting a gas into this liquid |
| 09/20/2007 | WO2007105974A1 Biological process for wastewater treatment |
| 09/20/2007 | WO2007105585A1 Liquid purifying treatment apparatus |
| 09/20/2007 | WO2007104564A1 Modulair continuous production of micro-organisms |
| 09/20/2007 | WO2007104551A1 Process and device for the anaerobic treatment of waste water |
| 09/20/2007 | WO2007044415A3 Method and apparatus for treating wastewater |
| 09/20/2007 | US20070218540 Bioelectrolytic Methanogenic/Methanotrophic Coupling for Bioremediation of Ground Water |
| 09/20/2007 | US20070218537 Method For Treating Ammonia-Containing Wastewater |
| 09/20/2007 | US20070215542 Apparatus and method for denitrification of treated water from aerobic wastewater treatment systems |
| 09/20/2007 | DE102006011951A1 Verfahren zur anaeroben Aufbereitung von Abwasser Method for the anaerobic treatment of wastewater |
| 09/20/2007 | DE102006006743A1 Verfahren zur energetischen Nutzung von organisch belasteten Abwässern durch Erzeugung von Biogas Process for the energy use of organically polluted wastewaters by generating biogas |
| 09/20/2007 | CA2645349A1 A bacterium consortium, bio-electrochemical device and a process for quick and rapid estimation of biological oxygen demand |
| 09/20/2007 | CA2644757A1 Method and apparatus for the anaerobic treatment of waste water |
| 09/19/2007 | EP1834929A1 Method of treating liquid or viscous effluent and device implementing said method |
| 09/19/2007 | CN200949080Y Aeration pipe connector structure |
| 09/19/2007 | CN200949079Y Flow-pulling type submerge aerator |
| 09/19/2007 | CN200949078Y Active sludge-biological film combined type integral sewage treatment equipment |
| 09/19/2007 | CN200949077Y Active sludge-biological film combined type integral sewage treatment equipment |
| 09/19/2007 | CN200949076Y Life sewage treatment equipment |
| 09/19/2007 | CN200949075Y Reinforced composite anaerobic-amphimicrobe facultative pond |
| 09/19/2007 | CN200949074Y Sewage treatment equipment by osier root charcoal biologic membrane process |
| 09/19/2007 | CN200949073Y Pressure regulating type highly effective biologic membrane sewage treatment equipment |
| 09/19/2007 | CN200949072Y Impulse jet aerator |
| 09/19/2007 | CN200949071Y Novel biological contacting oxidation bed |
| 09/19/2007 | CN200949070Y Knuckle joint floating type decanter |
| 09/19/2007 | CN200949069Y Composite flow artificial marshland device |
| 09/19/2007 | CN200949066Y Multifunctional water treatment clarification plant |
| 09/19/2007 | CN200948873Y Environment protection pollution treatment excursion vessel |
| 09/19/2007 | CN200948415Y Vertical circular flow agitator under water |
| 09/19/2007 | CN200948383Y Non-fired adsorbing filtering ring |
| 09/19/2007 | CN200948381Y Non-fired adsorbing filtering board |
| 09/19/2007 | CN101039881A Installation and method for the treatment of sewage sludge, and membrane unit |
| 09/19/2007 | CN101039880A Apparatus, system and method for remediation of contamination |
| 09/19/2007 | CN101039745A Method for the physical and biological treatment of a biomass and device for carrying out said method |
| 09/19/2007 | CN101037682A Cadmium solidified bacterial organism adsorbents and preparation method thereof |
| 09/19/2007 | CN101037655A High-effective microorganism complex agent and method of using the same for treating city sewage |
| 09/19/2007 | CN101037283A Treatment method of hydroxybenzene-containing wastewater |
| 09/19/2007 | CN101037282A Water treatment new combined technique with high purification function |
| 09/19/2007 | CN101037281A Zero-discharging treatment method of regenerated waste water for paper making |
| 09/19/2007 | CN101037280A Treatment method and device of rice lees wastewater |
| 09/19/2007 | CN101037275A Biology and engineering composite ecological control method for harnessing natural water body |
| 09/19/2007 | CN101037272A Water cellar quality biological purification method |
| 09/19/2007 | CN101037271A Biological desulfurizing device for transforming sulfur-containing compound to elemental sulfur |
| 09/19/2007 | CN101037270A Integral anaerobic film-biologic reactor-natural ventilating biologic filter pool sewage treating technique |
| 09/19/2007 | CN101037269A Helical self-circulating biology reactor |