| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 01/11/2007 | US20070007200 Grass Treatment Device |
| 01/11/2007 | DE202006016162U1 Domestic-scale sewage treatment plant comprises collecting tank with overflow at top which feed sewage to reed bed, pipe system at base of tank aerating sewage in it to produce biological clarification |
| 01/11/2007 | DE102006021617A1 Treating prepurified water containing difficult to degrade components, e.g. drug metabolites, comprises contacting with biologically regenerated adsorbent with simultaneous physical and biological action |
| 01/11/2007 | DE102005032123A1 Verfahren und Anlage zur biologischen Abwasserreinigung in einem Umlaufzonenreaktor Method and apparatus for biological wastewater treatment in a circulation zone reactor |
| 01/11/2007 | CA2613847A1 Use of sulphate-reducing thermophilic archaea for carrying out a hydrocarbon degradation process |
| 01/10/2007 | EP1741679A2 Process for improving the supply of calcium and magnesium in biological wastewater treatment plant |
| 01/10/2007 | EP1741678A1 Process and apparatus for producing entrapping immobilization pellets |
| 01/10/2007 | EP1740505A1 Three-phase separator for an upflow sludge bed reactor |
| 01/10/2007 | EP1049107B1 Substance activating method and device |
| 01/10/2007 | CN2856037Y Sewage reclaiming treatment unit |
| 01/10/2007 | CN2856035Y Domestic self-flowing living sewage purifying treatment appts |
| 01/10/2007 | CN2856034Y Anaerobic sludge filtering bed with oblique flow tunnel |
| 01/10/2007 | CN2856033Y Biological grid for sewage treatment |
| 01/10/2007 | CN2856032Y Bionic water plants filler for water purification |
| 01/10/2007 | CN2856031Y Swinging aerator |
| 01/10/2007 | CN2856030Y Float valve water decanter |
| 01/10/2007 | CN1894439A Flow-through oxygenator |
| 01/10/2007 | CN1894167A Method of formation/recovery of magnesium ammonium phosphate and apparatus therefor |
| 01/10/2007 | CN1891642A Method for treating mercury and bivalent metal ion sewage utilizing onion pseudomonads |
| 01/10/2007 | CN1891641A Method and apparatus for pre-treating high concentration organic waste water |
| 01/10/2007 | CN1294253C Bacterial strains, processed plant extract, composition containing thereof, preparation method and application in treatment and industry |
| 01/10/2007 | CN1294090C Sewage treatment method |
| 01/10/2007 | CN1294089C Waste water treating systems |
| 01/10/2007 | CN1294088C Biological method for treating synthetic pharmaceutical waste water by specific strain |
| 01/09/2007 | US7160714 Vegetable fiber-digesting agent and method of processing vegetable waste by using the same |
| 01/09/2007 | US7160712 Using sulfur oxidizing bacteria to reduce odor from wastewater and sewer treatment facilities; bioremediation; biodegradation |
| 01/09/2007 | US7160465 Materials for removing toxic metals from wastewater |
| 01/09/2007 | US7160461 Water purification with catalytic surfaces and microorganisms |
| 01/09/2007 | US7160460 System and method for treating wastewater using coir filter |
| 01/09/2007 | US7160459 In-situ bioremediation for petroleum contamination |
| 01/09/2007 | US7160458 Method for purification of process water from a kerosene desulfurization plant |
| 01/09/2007 | US7160457 Having a fixed cover including a central tower for controlling gas and foam; foam is minimized and separated from the gas to reduce the likelihood that foam will get into gas lines and cause damage to the compressor or other downstream equipment |
| 01/09/2007 | US7160456 Bioconversion in a first reactor, NH3 treatment of biogas formed in a second reactor, and recycle of buffer solution produced in the second reactor is recycled to the bioconversion in the first reactor; CO2 produced reacts with NH3 to form buffers such as NH3HCO3 and (NH4)2CO3 |
| 01/09/2007 | US7160445 Decorative pond system |
| 01/09/2007 | US7160444 a treatment system placed in a drainage space through which storm water is designed to flow; for removing heavy metals, hydrocarbons and other volatile organic compounds |
| 01/09/2007 | US7160442 Apparatus for reduction of biological wasted sludge |
| 01/09/2007 | CA2225456C Controlling wastewater treatment by monitoring oxygen utilisation rates |
| 01/04/2007 | WO2007002371A2 Process and system for converting biomass materials into energy to power marine vessels |
| 01/04/2007 | WO2007000942A1 Method for treatment of ammonia-containing wastewater |
| 01/04/2007 | WO2006090382A3 Aerating wastewater for re-use |
| 01/04/2007 | US20070001324 Cyclic aeration system for submerged membrane modules |
| 01/04/2007 | US20070001323 Multi-layered membrane for air diffuser |
| 01/04/2007 | US20070000836 Process to enhance phosphorus removal for activated sludge wastewater treatment systems |
| 01/04/2007 | US20070000835 Wastewater treatment |
| 01/04/2007 | US20070000825 Process and apparatus for microbial filtration and bacterial injection for one or more environmental contaminants |
| 01/04/2007 | DE202006015139U1 Kunststoffbehälter Plastic Containers |
| 01/04/2007 | DE10000454B4 TSC-Verfahren TSC method |
| 01/03/2007 | EP1737797A1 Tubular membrane made of silicone elastomer |
| 01/03/2007 | EP1565409B1 A method for supplying oxygen to a water purification process |
| 01/03/2007 | EP1497231B1 Use of a porous plastic article as aerator |
| 01/03/2007 | EP1322559B1 Use of a microbiological culture for triggering microbiological processes in aquaristics |
| 01/03/2007 | EP0862636B1 Malathion carboxylesterase |
| 01/03/2007 | CN2853783Y Integral dispersion sewage treatment device |
| 01/03/2007 | CN2853782Y Film covering anaerobic fermentation tank |
| 01/03/2007 | CN2853781Y Rotating arm drainage apparatus |
| 01/03/2007 | CN1890388A Nitrite-oxidizing bacteria and methods of using and detecting the same |
| 01/03/2007 | CN1890016A Membrane modules and integrated membrane cassettes |
| 01/03/2007 | CN1887790A Biohaydite filter material and its prepn |
| 01/03/2007 | CN1887748A Efficient ecological sewage treating promoter and its prepn process |
| 01/03/2007 | CN1887747A Sewage treating artificial wet land method |
| 01/03/2007 | CN1887746A Sewage purifying plant facility and method |
| 01/03/2007 | CN1887745A Underwater lawn supporting device |
| 01/03/2007 | CN1887744A Underwater lawn buoyancy lifting mechanism |
| 01/03/2007 | CN1887743A Underwater lawn lifting mechanism |
| 01/03/2007 | CN1887742A Controllable fast reservior blue-green alga bloom eliminating method |
| 01/03/2007 | CN1887741A Airlift inner circulation sewage treating process and apparatus |
| 01/03/2007 | CN1887740A Short-path deep biological denitrogenation method for city garbage percolate |
| 01/03/2007 | CN1887739A Active sludge-biomembrane compounding integral sewage treating method and apparatus |
| 01/03/2007 | CN1887738A Anaerobic active sludge process |
| 01/03/2007 | CN1887737A Fast culture process in anaerobic grain sludge |
| 01/03/2007 | CN1887736A Microporous diaphragm aerator with automatic pressure regulation |
| 01/03/2007 | CN1293183C Process for degrading polyvinyl alcohol by biochemical method |
| 01/03/2007 | CN1293001C Wastewater treatment method by membrane bioreactor |
| 01/03/2007 | CN1292999C Efficient ecological waste water treating apparatus and method |
| 01/03/2007 | CN1292997C Biological treatment agent for domestic sewage |
| 01/03/2007 | CN1292996C Integrative reactor for biologic phosphorus removal and denitrogenation from sewage circulated in 3D |
| 01/03/2007 | CN1292995C Aerobic initiating method of anaerobic ammoxidation reactor |
| 01/03/2007 | CN1292994C 太阳能膜生物反应器 Solar membrane bioreactor |
| 01/03/2007 | CN1292993C Method for treating wastewater containing heavy metal and radioactive metal ions by biological method |
| 01/03/2007 | CN1292647C Oxygen supply water-cooling device, filtering device, and filtering function-equipped water cooling device using them |
| 01/02/2007 | US7157011 Air flows from conduit to wastewater treatment zone to atmosphere above soil surface; air pressurization; vent or perforated pipe has artificially increased permeability compared to surrounding soil; sewage treatment |
| 01/02/2007 | US7157001 Carbon filtration process and apparatus for removing PCB's and other compounds from wastewater |
| 01/02/2007 | US7157000 purification of wastes generated from petroleum refining, by mixing with plant fibers in bioreactors, then dewatering to produce high energy solid fuels |
| 01/02/2007 | US7156999 Methods and apparatus for treating animal manure |
| 01/02/2007 | US7156998 water treatment apparatus using time based process controls for aeration, nitrification, denitrification, phosphorus removal and biosolids conditioning |
| 01/02/2007 | US7156986 Self-cleansing media for rotating biological contactors |
| 01/02/2007 | US7156985 Bioreactor system having improved temperature control |
| 01/02/2007 | US7156984 Environmental remediation apparatus |
| 01/02/2007 | US7156982 Apparatus for determining weight and biomass composition of a trickling filter |
| 01/02/2007 | CA2277785C Method for recuperating vent gas coming from an ozonization reactor |
| 12/28/2006 | WO2006137808A1 Contaminated inflow treatment with membrane distillation bioreactor |
| 12/28/2006 | WO2006137735A1 Anaerobic purification of heated waste water |
| 12/28/2006 | WO2006136177A1 Bioremediation of oil refinery by product using a fungal strain and its optimization through numerical modeling |
| 12/28/2006 | WO2006056212A3 Improved method for water purification |
| 12/28/2006 | US20060293177 Composition and method for reducing chemical oxygen demand in water |
| 12/28/2006 | US20060292684 Method and system for treating oxidized contaminant-containing matrix |
| 12/28/2006 | US20060289355 Providing biomass comprising at least one type of hydrogen-producing bacteria and at least one type of competing bacteria,treating biomass with chemical agent such that treatment kills, inhibits, or injures competing bacteria and does not kill or inhibit hydrogen-producing bacteria |
| 12/28/2006 | US20060289354 Method and composition to control the growth of microorganisms in aqueous systems and on substrates |
| 12/28/2006 | DE102005028764A1 Klärvorrichtung Clarifier |
| 12/28/2006 | DE102005028433A1 Festbettreaktor zur anaeroben Behandlung von Abwasser Fixed bed reactor for anaerobic treatment of wastewater |