| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 03/22/2006 | CN1246233C Vertical deflector combined filtration type de-phosphorization and de-nitrogenation facility |
| 03/22/2006 | CN1246232C Laminated piece extension type water treatment filler |
| 03/22/2006 | CN1246231C Reactor of biomembrane of suspended carrier on horizon eddy flow and repairing method on site of water body |
| 03/22/2006 | CN1246230C Preparation method of algae inhibitor |
| 03/22/2006 | CN1246229C Phosphorus containing waste water treatment method and its application of recovered phosphorus product |
| 03/21/2006 | US7015028 Process for treatment of organic waste materials |
| 03/21/2006 | US7014777 For controlling a wastewater treatment of using a microorganism that can degrade a specific compound |
| 03/21/2006 | US7014769 Method for reducing nitrate concentration in wastewater |
| 03/21/2006 | US7014768 Separating waste from an anaerobic digester into liquids, solids, and biogas; stripping ammonia from the liquids, recycling carbon dioxide-acidified liquid to the digester, and passing the stripped ammonia through the solid to make biofertilizer |
| 03/21/2006 | US7014767 Water ozonation and bioremediation system and associated methods |
| 03/21/2006 | US7014763 Multiple barrier biological treatment systems |
| 03/21/2006 | US7014173 immersed membrane in tank; connecting to air blower, valves and controllers; alternating air flow, uniform speed |
| 03/16/2006 | WO2006027585A2 Improvements in or relating to media |
| 03/16/2006 | WO2006027560A2 Apparatus and method |
| 03/16/2006 | US20060055068 Air diffusing device |
| 03/16/2006 | US20060054554 Method for oxygenating wastewater |
| 03/16/2006 | US20060054553 System and method for treating liquids |
| 03/16/2006 | US20060054552 Membrane bioreactor, process and aerator |
| 03/16/2006 | US20060054099 Aquarium-cleaning device utilizing formed charcoal |
| 03/16/2006 | CA2620775A1 Apparatus and method |
| 03/15/2006 | EP1634855A1 Method for direct selection of a predetermined low sludge index within an activated sludge method |
| 03/15/2006 | EP1634854A1 Method for direct selection of a predetermined low sludge index by means of external sludge selection within an activated sludge method |
| 03/15/2006 | EP1633682A1 Combination of compressor and permanent magnet motor for sewage aeration |
| 03/15/2006 | EP1472019B1 Cleaning method and cleaning fluid for aeration bodies |
| 03/15/2006 | CN2764770Y Organic substance decomposing and filtering device |
| 03/15/2006 | CN2764768Y Floating raft type contact biochemical oxidation tower |
| 03/15/2006 | CN2764767Y Domestic sewage treatment method |
| 03/15/2006 | CN2764766Y Integrated reclaimed water regeneration treatment device |
| 03/15/2006 | CN1747903A Supported biofilm apparatus and process |
| 03/15/2006 | CN1746117A Sewage treatment system |
| 03/15/2006 | CN1746116A Aerating biological filter pool filler and production thereof |
| 03/15/2006 | CN1746115A Microbial filler and production thereof |
| 03/15/2006 | CN1245501C Decomposed leaven for the treatment and use of industrial waste liquid and waste residue and method for preparing the same |
| 03/14/2006 | US7011757 Dual use of jet recirculation pumps to provide both backward recycling of 100% or up to 1100% of the throughput wastewater rate; supplying mixed liquor for jet manifolds to mix deep tanks contents; two-stage MLE and three-stage Bio-P processes |
| 03/14/2006 | US7011756 In situ immobilization of metals within density variant bodies of water |
| 03/14/2006 | US7011750 Water treatment device |
| 03/09/2006 | WO2006026366A2 Anoxic biological reduction system and method |
| 03/09/2006 | WO2006024708A1 Device for collecting clarified water for a basin and corresponding basin |
| 03/09/2006 | WO2005108680A8 Water control structure, concrete block for water control construction, and method of water control construction therewith |
| 03/09/2006 | US20060049103 water treatment apparatus using time based process controls for aeration, nitrification, denitrification, phosphorus removal and biosolids conditioning |
| 03/08/2006 | EP1631527A2 A system and method for treating wastewater using coir filter |
| 03/08/2006 | EP1527022B1 Method and facility for treatment of sludge derived from biological water purification facilities |
| 03/08/2006 | EP1008850B1 Methanation activity measuring instrument |
| 03/08/2006 | CN2763260Y Porous and concave-convex type modified filter medium |
| 03/08/2006 | CN2763259Y Floating bed plants, and equipment for purifying polluted river by using bio-membrane bios and ecologic tech. |
| 03/08/2006 | CN2763258Y Porous, concave-convex type modified filter medium |
| 03/08/2006 | CN2763257Y Membrane bio-reactor diaphragm assembly, membrane bio-reactor and wastew water treatment equipment |
| 03/08/2006 | CN1743284A Sewage-refuse treatment clean-production system at the center of generating plant |
| 03/08/2006 | CN1743280A Waste water treatment method and apparatus |
| 03/08/2006 | CN1743087A Drainage free treatment of penetrating liquid for use in waste landfill |
| 03/08/2006 | CN1244505C 生物氧化船 Biological oxidation boat |
| 03/07/2006 | US7008539 Submerged ammonia removal system and method |
| 03/07/2006 | US7008538 feeding wastewater into an aerobic zone, an anaerobic zone and a clarifying zone; solids settling in anaerobic zone, removing clarified liquid from clarified zone |
| 03/07/2006 | US7008535 Apparatus for oxygenating wastewater |
| 03/02/2006 | WO2006023002A2 Compositions for removing halogenated hydrocarbons from contaminated environments |
| 03/02/2006 | WO2006021427A1 Method and arrangement for the online regulation of a batch process in a bioreactor |
| 03/02/2006 | WO2005105275A8 Method for aerating membrane modules |
| 03/02/2006 | WO2005105273A8 Hollow fiber membrane filter with a supporting structure |
| 03/02/2006 | WO2005019114A3 Method, apparatus and system for removal of contaminants from water |
| 03/02/2006 | US20060043019 porous hollow tube on support |
| 03/02/2006 | US20060043018 Anoxic biological reduction system and method |
| 03/02/2006 | US20060043017 System and method of treating waste water |
| 03/02/2006 | US20060043016 Septic tank |
| 03/02/2006 | DE202005020303U1 Immersed rotation body, for the biological cleaning stage of a sewage treatment plant, has a biomass growth body mounted on a drive carrier with a fixed and a sliding support and an automatic clamping action |
| 03/02/2006 | DE20122522U1 Reed bed water treatment system has multi-chamber trench, high pressure water pump, collector and distributor shaft |
| 03/02/2006 | DE19737690B4 Biologische Vertikal-Horizontal-Filteranlage zur Reinigung von Abwässern Biological vertical-horizontal filter system for purification of waste waters |
| 03/02/2006 | DE102004042626A1 Recycled sludge quality improvement, in an activated-sludge waste treatment plant, adds external enzymes with an extended dwell time in the path back to the aeration basin |
| 03/02/2006 | DE102004040689A1 Verfahren zur direkten, selektiven Wahl eines gewünschten, niedrigen Schlammindex beim SBR-Verfahren Method for the direct, selective choice of a desired, low sludge index in SBR process |
| 03/01/2006 | EP1630139A1 Process for the biological denitrification of ammonium containing wastewater |
| 03/01/2006 | EP1630138A1 Air distribution device for distributing compressed air |
| 03/01/2006 | EP1629881A1 Sewage treatment plant with membrane filtration |
| 03/01/2006 | EP1542928A4 Airlift membrane device and membrane bioreactor and bioreactor process containing same |
| 03/01/2006 | CN2761597Y Biological rotating disc for sewage treatment |
| 03/01/2006 | CN2761596Y Stereo biomembrane water purification device |
| 03/01/2006 | CN2761595Y Stereo biomembrane water purification device |
| 03/01/2006 | CN2761594Y Program control pulse flushing type high turbidity integrated water purifier |
| 03/01/2006 | CN2761593Y PLC controlled waste water integrated water purification tank |
| 03/01/2006 | CN2761126Y Microbial degradation environment protection toilet device |
| 03/01/2006 | CN1741968A Apparatus and method for performing tertiary treatment of sewage based on porous filtering media |
| 03/01/2006 | CN1740317A Process for producing fixed particle to repair surface water |
| 03/01/2006 | CN1740102A Integrated sewage treating process in flocculant biological flow bed |
| 03/01/2006 | CN1740101A Anoxic microbial treating process of non-anoxic denitrified high concentration organic waste water |
| 03/01/2006 | CN1740100A Immobilized microorganism and preparing method thereof, and reactor utilizing the same |
| 03/01/2006 | CN1243826C Biofilm carrier with improved specific surfacial area, bio-affinity and flowability |
| 03/01/2006 | CN1243671C Sewage treatment equipment |
| 03/01/2006 | CN1243670C Technology for treating refuse percolate by electrochemical-anaerobic-aerobic membrane bioreactor assembling system |
| 03/01/2006 | CN1243669C Process for production of hydrogen from anaerobically decomposed organic material |
| 03/01/2006 | CN1243594C Parallel vertical sewage filtering device |
| 02/28/2006 | US7005069 Coarse bubble diffuser for aeration of deep tanks (20 feet or more) at a sufficient flow to to prevent settling of the solids without the need for a mechanical mixer, and for oxygen supply to microorganism within the aeration tank |
| 02/28/2006 | US7005068 Promoting aerobic conditions through decreasing the amount of oxygen required to maintain aerobic cultures in the wastewater; solids are separated and anaerobically digested to produce biogas; odor reduction; livestock sewage |
| 02/28/2006 | US7005065 Wastewater treatment system having aeration dropline-supporting clips |
| 02/28/2006 | CA2132860C Apparatus for activation of a digesting agent |
| 02/23/2006 | WO2006020485A2 Apparatus, system and method for remediation of contamination |
| 02/23/2006 | WO2006018502A1 Product for environmental biotreatment |
| 02/23/2006 | WO2006018025A1 Bam mineralizing activity |
| 02/23/2006 | WO2005045002A3 Nitrite-oxidizing bacteria and methods of using and detecting the same |
| 02/23/2006 | US20060037909 Membrane bioreactor waste water treatment method |
| 02/23/2006 | US20060037901 Aerobic digester for bodily waste material |
| 02/23/2006 | US20060037896 Supported biofilm apparatus and process |
| 02/23/2006 | DE202005020430U1 Small clarification plant, for removing dirt particles and nitrogen compounds from waste water, with preclarification chamber and fluidized bed clarification chamber containing membrane module and aerator |