| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 01/20/2010 | CN201386038Y Wastewater purifying processor |
| 01/20/2010 | CN201383990Y Hanging high-density ecological shrimp culturing and water purifying device |
| 01/20/2010 | CN101628758A Modified PVC biologic filler |
| 01/20/2010 | CN101628757A Method and device for promoting growth of plant of biological floating island |
| 01/20/2010 | CN101628756A Method for enriching heavy metal by using water plant |
| 01/20/2010 | CN101628755A Method for restoring uranium contaminated water body employing floating plant |
| 01/20/2010 | CN101628754A Two-phase integrated anaerobic digestion reaction vessel |
| 01/20/2010 | CN100582028C Organism activated adsorption aeration sewage treating and water reusing method |
| 01/20/2010 | CN100582027C Two-stage synchronous nitrification denitrification process for treating ammonia nitrogen wastewater |
| 01/20/2010 | CN100582026C Submerged aeration machine |
| 01/20/2010 | CN100582024C Combined throw type water oxidation ditch |
| 01/20/2010 | CN100582023C Method for removing lead from industrial wastewater with magnetic biological adsorption agent |
| 01/19/2010 | US7648634 smaller and less expensive to initially purchase and install than a conventional activated sludge and solids/liquid separation system, such as for industrial wastewater treatment; inline solids/liquid separation system is integrated with a hydraulic mixing system and/or an aeration system |
| 01/19/2010 | US7648631 Apparatus for wastewater treatment using nitrogen/phosphorus removal and floatation separation |
| 01/14/2010 | WO2010006320A2 Biological processing for beneficial use |
| 01/14/2010 | WO2010005397A1 An improved cathode design |
| 01/14/2010 | WO2010005276A1 Water-purifying filter with accumulable, ecological system of compartments that are long-lasting and easy to regenerate and clean |
| 01/14/2010 | WO2010004938A1 Method for determining physiological state of microbial community and method for treating drainage water |
| 01/14/2010 | WO2010004103A2 Sludge diffusion device and method for a sludge bed digester, and corresponding sludge bed digester |
| 01/14/2010 | WO2010004102A1 Sludge homogenization device and method for an infinitely mixed anaerobic digester, and corresponding anaerobic digester |
| 01/14/2010 | WO2010003255A1 Process for continual multiphase recycling of solid and liquid organic waste for a greenhouse culture |
| 01/14/2010 | WO2009124383A8 Decentralized source separation sewage system |
| 01/14/2010 | WO2009112208A3 Method for wastewater treatment and wastewater treatment system |
| 01/14/2010 | US20100006500 Saf System and Method Involving Specific Treatments at Respective Stages |
| 01/14/2010 | US20100006499 Support for holding a complexed accumulation of degrading bacteria and manufacturing method thereof, novel bacteria, and method of cleaning polluted environment and device thereof |
| 01/14/2010 | US20100006489 Wastewater flow diverter |
| 01/14/2010 | US20100006486 Unit for integrated waste water biological treatment |
| 01/14/2010 | DE102008040373A1 Membranbioreaktor und Verfahren zur Behandlung von Abwasser Membrane bioreactor and method for treating waste water |
| 01/14/2010 | CA2730430A1 Biological processing for beneficial use (bpbu) |
| 01/14/2010 | CA2729858A1 Method for determining physiological state of microbial community and wastewater treatment method |
| 01/13/2010 | EP2143691A2 Membrane bioreactor and method for processing waste water |
| 01/13/2010 | EP2143690A1 Method of decolorizing colored wastewater |
| 01/13/2010 | EP2143483A1 Aerating unit, aerating apparatus equipped therewith and method of aerating |
| 01/13/2010 | EP2142480A1 Potable water purification process including biofiltration |
| 01/13/2010 | CN201381260Y Integrated biomembrane/physicochemical coordinated sewage treatment device |
| 01/13/2010 | CN201381259Y Ecological innocent excrement and domestic wastewater treatment system |
| 01/13/2010 | CN201381258Y High-concentration organic wastewater treatment system |
| 01/13/2010 | CN201381251Y Biochemical reaction tank for treating organic wastewater |
| 01/13/2010 | CN201381250Y Autotrophic denitrification device |
| 01/13/2010 | CN201381249Y Jet aeration device |
| 01/13/2010 | CN201381248Y Submersible high-efficiency energy-saving mixing aerating device |
| 01/13/2010 | CN201381247Y Aerobic reactor |
| 01/13/2010 | CN201381246Y Novel perforated device for sewage disposal |
| 01/13/2010 | CN201381245Y Perforated plate for sewage disposal |
| 01/13/2010 | CN101626983A Method and equipment for processing waste water containing sulphides and ammonium |
| 01/13/2010 | CN101624236A System for purifying quality of landscape water body |
| 01/13/2010 | CN101624235A Application of acetobacter aceti for processing copper-containing etching waste solution |
| 01/13/2010 | CN101624234A Microorganism water treatment agent in culturing water and preparation technique thereof |
| 01/13/2010 | CN101624233A Gravity-flow type semi-matrix artificial water culture wetland device |
| 01/13/2010 | CN101624232A Inverted umbrella-shaped aeration machine |
| 01/13/2010 | CN101624231A Method for improving sewage treatment speed in low temperature environment |
| 01/13/2010 | CN100579923C ''Earthworm-hydrophyte-anaerobic microorganism'' combined technique for treating organic waste water |
| 01/13/2010 | CN100579922C Energy-saving process for treating high ammonia nitrogen waste water |
| 01/13/2010 | CN100579920C Domestic sewage process method |
| 01/13/2010 | CN100579366C Aquiculturing system process for works with circulating water |
| 01/12/2010 | US7645606 Volatile phosphates serve as nutrients that stimulate the growth and activity of indigenous microbes that are capable of degrading the contaminants |
| 01/12/2010 | US7645385 Method and arrangement for processing nitrogen-concentrated effluents in a sequential fractionated cycle biological reactor |
| 01/12/2010 | US7645384 Environmental remediation method using ozonophilic bacteria within a liquid coating of bubbles |
| 01/12/2010 | US7645382 Apparatus for converting biological materials into energy resources |
| 01/12/2010 | US7645380 Microporous diffusion apparatus |
| 01/12/2010 | CA2373338C Method, device and use of said method for biological elimination of metal elements present in an ionized state in water |
| 01/12/2010 | CA2340654C Apparatus and method for measuring nox and nitrification/denitrification rates in biochemical processes |
| 01/07/2010 | WO2010002358A1 System for the treatment and decontamination of domestic wastewater |
| 01/07/2010 | WO2010001856A1 Method of purifying polluted water and purifier for polluted water |
| 01/07/2010 | WO2010001031A2 Automatic and rapid opening flush system for full-tank discharge |
| 01/07/2010 | WO2009138087A3 Resilient member and biofilm reactor |
| 01/07/2010 | WO2009134402A3 Septage treatment system and method of treating septage |
| 01/07/2010 | US20100000940 Reactor Comprising a Supply Distribution System for Anaerobic Waste Water Treatment |
| 01/07/2010 | US20100000924 Reducing water purification material, method for producing reducing water purification material, method for treating wastewater, and wastewater treatment apparatus |
| 01/07/2010 | US20100000921 Dual cell nitrogen removal apparatus |
| 01/07/2010 | DE202009008291U1 Vorrichtung zum Reinigen von Abwasser Apparatus for purifying waste water |
| 01/07/2010 | DE202008011240U1 Klärbecken mit Auslasseinrichtung Clarifier outlet |
| 01/07/2010 | DE102005063228B4 Anaerobe Reinigung von Abwasser Anaerobic treatment of wastewater |
| 01/06/2010 | EP2139313A1 Methods for the conversion of fish waste from aquaculture systems to methane via a modified uasb reactor |
| 01/06/2010 | EP1345857B1 Reclaiming water and usable brine concentrate from domestic sewage |
| 01/06/2010 | CN201376930Y Square domestic wastewater treatment device |
| 01/06/2010 | CN201376929Y Inversion oxygen-poor, anaerobic and aerobic sewage treatment and recycling combined device |
| 01/06/2010 | CN201376922Y Photovoltaic water purification device |
| 01/06/2010 | CN201376920Y Circulating sewage disposal plant |
| 01/06/2010 | CN201376919Y Anoxic-aerobic combined type sewage treatment unit |
| 01/06/2010 | CN201376918Y Large-area hydrolytic acidification tank sludge removing device |
| 01/06/2010 | CN201376917Y Solid liquid flow mixing device of anaerobic reactor |
| 01/06/2010 | CN201376916Y Membrane bioreactor minitype sewage treatment equipment |
| 01/06/2010 | CN201376915Y Jet aerating device with air supplied by positive pressure in middle layer |
| 01/06/2010 | CN201376914Y Jet surface aeration machine |
| 01/06/2010 | CN201375880Y Beam integrated weeping willow membrane filter |
| 01/06/2010 | CN101622202A Apparatus for removing dissolved hydrogen sulfide in anaerobic treatment |
| 01/06/2010 | CN101618913A Application of valerian in treating livestock breeding wastewater |
| 01/06/2010 | CN101618912A Method for purifying water in integrated type polluted river channel |
| 01/06/2010 | CN101618911A Method of realizing one-step autotrophic nitrogen removal under higher levels of dissolved oxygen |
| 01/06/2010 | CN101618910A Process and device of novel biological aerated filter for pretreating micro-polluted source water |
| 01/06/2010 | CN101618909A Method for adding a denitriding sequencing batch reactor activated sludge reaction carbon source |
| 01/06/2010 | CN101618908A Denitrification processing method and denitrification processing device |
| 01/06/2010 | CN101618907A Self-cleaning biological filter and self-cleaning technology of filter |
| 01/06/2010 | CN101618906A Suspended multi-pipe microporous aerator |
| 01/06/2010 | CN100577583C Liquid gas injection system |
| 01/06/2010 | CN100577582C Method for repairing water body by utilizing biomembrane |
| 01/05/2010 | US7641798 Waste water treatment method and waste water treatment apparatus |
| 01/05/2010 | US7641797 Method of treating waste liquid from production plant for hydrocarbons or oxygen-containing compounds |
| 01/05/2010 | US7641796 Maximizes effectiveness of anaerobic digestion to allow municipalities and other treatment facilities to operate efficiently and reduce burdens on space; sludge to be treated is combined with recycled anaerobic digester sludge to form blended sludge which provides source of microorganisms for treatment |