Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
10/2006
10/12/2006WO2006107632A2 Organic and animal waste effluent treatment
10/12/2006WO2006105599A1 Water recycling system
10/12/2006WO2006105575A1 Water treatment apparatus
10/12/2006WO2006063155A3 Enzyme stabilization
10/12/2006US20060226071 circulating sewage in the tanks having aerators including tubes, propellers, filters and screens
10/12/2006US20060226070 Backwash system and method for waste water treatment system
10/12/2006US20060226069 Waste water treatment apparatus
10/12/2006US20060226068 Water treatment
10/12/2006DE29718927U9 Meß- und Steuervorrichtung für eine Aufbereitungsanlage für Flüssigkeiten Measurement and control apparatus for a processing plant for liquids
10/12/2006CA2603466A1 Organic and animal waste effluent treatment
10/11/2006EP1710142A1 A water treatment system, a method of establishing water treatment capabilities and a method of regulating use of an amount of recycled water
10/11/2006EP1710025A2 Method of creating a seal in a subsurface environment
10/11/2006EP1708967A1 Water treatment by activated sludge
10/11/2006EP1200362B2 Method and device for the purification of wastewaters
10/11/2006EP0931582B1 Process of manufacturing a hollow fiber membrane module, process of manufacturing a hollow fiber membrane module unit, and septic tank provided with a module unit thus obtained
10/11/2006CN2825632Y Self-feeding low-pressure high-efficiency jet aerator
10/11/2006CN2825630Y System for in-situ ecological restoration of water body by floating composite botanical zone
10/11/2006CN2825629Y Bio-wall sewage treatment device
10/11/2006CN2825628Y Solar heating water-cleaning cover
10/11/2006CN2825627Y Three-layer artificial water-purifying grass
10/11/2006CN2825626Y Energy-saving environmental-protection numerically-controlled biological filtering tank
10/11/2006CN2825625Y High efficiency non-block dynamic aerator
10/11/2006CN2825624Y Sprinkling device of treatment system for fecal sewage from animals and birds
10/11/2006CN2825616Y Pressure water distributing device
10/11/2006CN1845879A Method for treating wastewater in a membrane bioreactor to produce a low phosphorus effluent
10/11/2006CN1845878A Denitrification reactor with a fixed culture
10/11/2006CN1845876A Method and device for the comminution of particulate organic substances in suspensions of microorganisms
10/11/2006CN1844381A Process for inhibiting water-soluble expansibility of polyvinyl alcohol immobilized microorganism particles
10/11/2006CN1844364A Microecological preparation-tetragenous viable bacteria preparation and method for preparing same
10/11/2006CN1844361A Polycyclic aromatic hydrocarbon degrading bacteria and use thereof
10/11/2006CN1844055A Method for preparing poplar nutritious injection liquid by straw pulp black liquor
10/11/2006CN1844041A Method for preparing microporous mullite aerated head(plate) by fly ash
10/11/2006CN1843981A Integrated process for treating sewage by suspended bio-carrier
10/11/2006CN1843980A Biological air floatation method for oil-containing sludge
10/11/2006CN1843978A Method for preparing filtration material for earthworm biofilter
10/11/2006CN1843977A Water distribution method for earthworm biofilter
10/11/2006CN1843976A Quick purification method and apparatus for nutrition enriched lake
10/11/2006CN1843975A Method for treating city sewage by aquatic plant to obtain a scene-viewing and amusing area
10/11/2006CN1843974A Full-ecological high-efficiency water-treating integral method and apparatus
10/11/2006CN1843973A A curtain type membrane assembly
10/11/2006CN1843972A Functional biomembrane carrier, its preparation method and use
10/11/2006CN1843971A Back-flushing operation method of dynamic membrane bioreactor
10/11/2006CN1843970A Multi-barrel combined aerated biological filtration tank with floating filter material
10/11/2006CN1843969A Biologic water purification tank
10/11/2006CN1843965A Purification treatment process of waste liquor of hydrochloric acid
10/11/2006CN1843944A Method for purifying water of culture pond
10/11/2006CN1278962C Reuse process for percolation liquid of city life garbage landfill
10/11/2006CN1278961C Sewage treatment system for public lavatory
10/11/2006CN1278959C Nitrogen-treating method and nitrogen-treating system
10/11/2006CN1278957C Air-lifting deep water type oxidizing tank
10/11/2006CN1278956C Apparatus and application for enhancing treating efficiency of up flowing type anaerobic sludge bed by cathode hydrogen
10/11/2006CN1278955C Composite bacterial enzyme stepped sewage purification device
10/11/2006CN1278954C Method and apparatus for on-line ultrasonic cavitation cleaning of membrane bioreactor
10/11/2006CN1278953C Water treatment method using salts of zinc, molybdenum and magnesium as microbe activity intensifier
10/11/2006CN1278950C Water treatment method by using Vitamin as microbe activity intensifier
10/11/2006CN1278762C Plate filtration module
10/11/2006CA2541247A1 Water treatment
10/10/2006US7118906 Process for removal of polycyclic aromatic hydrocarbons in wastewater and other contaminated sites
10/10/2006US7118674 Energy-efficient biological treatment with membrane filtration
10/10/2006US7118672 Membrane supported bioreactor for municipal and industrial wastewater treatment
10/10/2006US7118669 Wastewater treatment and dispersal system
10/10/2006US7118308 Multi-planar gas recovery bioreactor
10/10/2006US7118054 Used for residential or industrial applications to dispose of materials to the sewer or to a comminutor to reduce the size of waste materials prior to disposal
10/06/2006CA2602185A1 Enzymes and formulations for broad-specificity decontamination of chemical and biological warfare agents
10/05/2006WO2006105371A1 Landfills and methods of operating a landfill
10/05/2006WO2006104355A1 Water treatment apparatus having rotating rope type contactor
10/05/2006WO2006102802A1 An actived dissolved oxygen aerator
10/05/2006WO2006005118A3 Water treatment apparatus, method and system
10/05/2006WO2006002095A3 Nitrogen removal system and method for wastewater treatment lagoons
10/05/2006US20060223162 Method for accelerated dechlorination of matter
10/05/2006US20060219632 Method for treating wastewater
10/05/2006US20060219631 In situ remediation of contaminated groundwater
10/05/2006US20060219614 Organic and animal waste effluent treatment
10/05/2006CA2503738A1 A waste water treatment apparatus
10/04/2006EP1707540A1 Installation for the aerobic biodegradation of fats or so-called physico-chemical sludge in particular from agriculture and food industry
10/04/2006EP1707048A1 A method of operating a percolation system for waste water as well as a percolation system for carrying out the method
10/04/2006EP1128885B1 A device of three-chamber type for purifying liquid
10/04/2006CN2823255Y Waste water treater for farm land
10/04/2006CN2823254Y Anaerobic filtering tank made of glass fiber reinforced plastics
10/04/2006CN2823253Y Aeration filtering water treater
10/04/2006CN2823252Y Submersible float type aerator
10/04/2006CN1840654A Chloride ion resistant strain S616 and its screening method
10/04/2006CN1840489A Polluted fluid purifying method and system
10/04/2006CN1840488A Process for treatment of domestic and livestock breeding sewage by ecological approach
10/04/2006CN1277768C Combined treatment method and system for landfill leachate
10/04/2006CN1277764C Aerator
10/04/2006CN1277763C Method for biological purification of effluent
10/04/2006CN1277762C Polypropylene filter material, its preparation method and a biofilm filtering device
10/04/2006CN1277761C Method for organic waste water treatment and fertilizer microbe fermentation
10/04/2006CN1277744C Process for preparing water glass by acid separation filtrate
10/04/2006CA2503747A1 Backwash system and method for waste water treatment system
10/03/2006US7115411 Culture of Pseuodomonas nitroreducens TX1; utilizing alkylphenol polyethoxylates as a sole source of carbon and energy to grow; pollution control of organic polymers-contaminated water and soil
10/03/2006US7114668 enhance water clarity, reduce nutrient level, minimize the use of undesirable chemical additives, remove undesirable suspended and settled matter and employ the use of a constructed wetlands
10/03/2006US7114621 Membrane module elements
09/2006
09/28/2006WO2006102362A2 Activated sludge process wtth ballasted flocculation
09/28/2006WO2006099873A1 A contact filter block, a method of producing structural elements of a contact filter block and an apparatus for producing structural elements of a contact filter block
09/28/2006US20060216811 Use of bacteria to prevent gas leakage
09/28/2006US20060213833 Connecting membrane with a biological treatment tank through a circulation passageway, wherein backwash drain containing sludge peeled from a membrane surface is returned to the biological treatment tank through backwash drain passageway or circulation passageway in backwash with water, sludge is peeled
09/28/2006US20060213832 treatment of water or wastewater; will effectively remove soluble BOD
09/28/2006US20060213831 Energy-efficient biological treatment system with filtration membrane