Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 3 - Biological treatment of water, waste water, or sewage
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
11/2007
11/13/2007US7294269 Organic disposer and method of controlling the same
11/13/2007US7294268 Metal containing waste water treatment method and metal containing waste water treatment equipment
11/13/2007US7294261 Vessel assembly for use in a wastewater treatment system
11/13/2007US7294260 Aerobic wastewater treatment plant having 3-compartment vessel
11/13/2007US7294259 Membrane module for gas transfer
11/13/2007US7294257 Water filter
11/13/2007US7294254 Wastewater treatment system
11/13/2007US7293658 Drum filter assembly
11/13/2007CA2236719C Apparatus and method for the treatment of water containing organic pollutants
11/08/2007WO2007125996A1 Water quality improving unit and water quality improving device
11/08/2007WO2007125598A1 Method and apparatus for biologically treating organic discharged water
11/08/2007WO2007125186A1 Method of decontaminating a water table and device for implementing it
11/08/2007WO2007076943B1 System and method for the renovation of process water
11/08/2007WO2007050699A3 Apparatus and method using a simultaneous, sequential or pulsed aerobic and/or anoxic digestion process
11/08/2007WO2007044345A3 Method and apparatus for treating wastewater
11/08/2007US20070256972 One of 1) flocculation sedimentation, flotation, or filtration; 2) electrolytic oxidation reduction; and 3) simultaneous treatment with microwave and an inorganic material followed by purification by a complementary supercritical treatment or subcritical treatment
11/08/2007US20070256966 Stormwater bioretention filtration system with overflow/bypass capability
11/08/2007DE102006020917A1 Disinfection of waste water using algae pools, comprises adding wastewater to algae pool, stipulating an increase in the pH value in the algae pool, and collecting the algae, which is capable for sedimentation
11/08/2007DE102006020709A1 Reaktor zur anaeroben Reinigung von Abwasser Reactor for anaerobic treatment of wastewater
11/07/2007EP1852399A2 Small purification plant, method for treating wastewater
11/07/2007EP1852175A1 Method of cleaning membrane in membrane separation activated-sludge process
11/07/2007EP1797014A4 System and method for treating wastewater
11/07/2007CN200971336Y Environment protection domestic sewage treatment device
11/07/2007CN200971335Y Combined sewage treatment device
11/07/2007CN200971334Y Oblique millipore aeration flexible tube
11/07/2007CN200971333Y Organic waste water regeneration water purification groove
11/07/2007CN200971332Y Sewage treatment device with multi-stage bio-pallet
11/07/2007CN200971331Y Biological combined carrier rotation wheel
11/07/2007CN200971330Y Membrane biological reactor with membrane cleaning device
11/07/2007CN200971329Y Shallow opened integral biochemical sewage treatment pool
11/07/2007CN200971328Y Nested micropollution water organism slow filtering water purifier
11/07/2007CN101067353A Method for constructing buildings on the top of sewage treatment installation
11/07/2007CN101066896A Plug-flow mobile septic tank
11/07/2007CN101066824A Process of treating and reusing effluent from 1-amino-8-naphthol-3, 6-disulfonic acid production
11/07/2007CN101066823A Method of controlling algae in eutrophic scenic water with high salt content
11/07/2007CN101066822A Combined treatment process for high-concentration ammonia nitrogen waste water
11/07/2007CN101066821A Dispersed in-site ecological sewage-purifying process
11/07/2007CN101066810A Low temperature prepn process of biological thiosulfate radical ion and hydrogen sulfide removing agent
11/07/2007CN101066809A Organism fixing and permeating reaction wall system and stuffing for repairing polluted underground water
11/07/2007CN101066808A Ventilating and baffling artificial wetland simulator
11/07/2007CN101066807A Sewage treating micro algae apparatus and process
11/07/2007CN101066806A Artificial wetland effluent collector
11/07/2007CN101066805A Efficient anaerobic ammoxidation reactor
11/07/2007CN101066804A Circular granular sludge reactor
11/07/2007CN101066803A Siphon decanter
11/07/2007CN101066802A Prepn and application in industrial effluent treatment of biomembrane carrier
11/07/2007CN101066801A Efficient water treating suspended stuffing process
11/07/2007CN101066800A Modified microbial membrane carrier
11/07/2007CN101066799A Biological sewage treating process by means of fiber membrane fixed organism
11/07/2007CN101066798A Oxygen-rich biological pre-treating depollution process for slightly polluted raw water
11/07/2007CN101066793A Process of eliminating heavy metals from city sewage and sludge
11/07/2007CN100347103C Method for treating water containing ammonium-nitrogen
11/07/2007CN100347102C Method for suppressing algae growth using giantreed
11/07/2007CN100346691C 水产养殖系统 Aquaculture systems
11/06/2007US7291265 Passive treatment of wastewater and contaminated groundwater
11/06/2007US7290669 Upflow bioreactor having a septum and an auger and drive assembly
11/01/2007WO2007122731A1 Microbubble generator
11/01/2007WO2007121509A1 Floating water treatment apparatus
11/01/2007WO2007056717A3 Methods and devices for the removal of organic contaminants from water
11/01/2007US20070251881 Method for treating water containing ammonium-nitrogen
11/01/2007US20070251880 Suited for waste water with high contaminant loads and operates with little trouble and is comparatively inexpensive; the food processing industry and the feeding stuff industry as well as in the paper industry and the textile industry; loop-type column reactor comprising a central flow channel
11/01/2007US20070251868 Method and apparatus for nitrogen removal and treatment of digester reject water in wastewater using bioagumenation
10/2007
10/31/2007EP1849750A1 Installation and process for waste water treatment with a tubular, vertical reactor
10/31/2007EP1848796A1 Surfactant biocatalyst for remediation of recalcitrant organics and heavy metals
10/31/2007CN200967785Y Biological treatment system for medical treatment organization waste water
10/31/2007CN200967777Y 太阳能曝气船 Solar Aeration boat
10/31/2007CN200967776Y Sewage water advanced treatment device without sludge discharging
10/31/2007CN200967775Y Composite UBF anaerobic organism waste water treatment reactor
10/31/2007CN200967774Y Oxygenating rotary ejector
10/31/2007CN200967773Y Novel highly effective deepwater efflux aerator
10/31/2007CN200967772Y Domestic sewage biological treatment integral equipment
10/31/2007CN200966983Y Component type biology deodorization filtering tower
10/31/2007CN101065331A Methods and systems for total nitrogen removal.
10/31/2007CN101063097A Xylose oxidation achromatous bacillus SY8 for purifying arsenic contamination and usage thereof
10/31/2007CN101063096A Method for treating sewage water having heavy metallic ion Cd2+ and Cu2+ by using bacteria 575
10/31/2007CN101062820A Filtering liquor treating process for urban consumer waste landfill
10/31/2007CN101062819A Sewage treatment device
10/31/2007CN101062815A Anoxybiotic-aerobic biologic membrane sewage purification bed
10/31/2007CN101062814A Method for removing sewage ammonia nitrogen by employing active sludge oxidation ditch technique
10/31/2007CN101062813A Method for removing sewage ammonia nitrogen by using active sludge oxidation ditch technique
10/31/2007CN101062812A Method for removing sewage ammonia nitrogen by active sludge oxidation ditch technique
10/31/2007CN101062811A Method for removing sewage ammonia nitrogen by employing active sludge oxidation ditch technique
10/31/2007CN101062810A Biological cycle moving bed sewage treatment system and method thereof
10/31/2007CN101062809A Comb-like membrane-bioreactor having free end
10/31/2007CN101062808A Phosphorus-accumulating bacteria reinforcement type modified CASS biology sewage treatment equipment
10/31/2007CN101062807A Intensified anti-nitrated phosphorous-removal sequencing batch membrane bioreactor technique
10/31/2007CN101062806A Water treatment apparatus using water level
10/31/2007CN101062803A Integral sewage treatment pool
10/31/2007CN100345779C Membrane ecologic reactor
10/31/2007CN100345778C Method for mixed biochemical treating filtrate and city sewage
10/31/2007CN100345776C Highly effective methane-producing device for high concentration waste water treatment
10/31/2007CN100345775C Urban sewage treatment of anaerobic biological-low voltage electric field oxidizing coupling system
10/31/2007CN100345774C Artificial ecological sewage purifying and treating device
10/31/2007CN100345773C Biofilm carrier with improved specific surfacial area,bio-affinity and flowability
10/30/2007US7288198 Adding water to the recycle stream of methylcyclopentadiene, water and alcohol to create organic and aqueous fractions and, optionally, passing the organic fraction over a molecular sieve bed or an activated alumina bed to remove contaminating protic side products
10/30/2007US7288197 Biological membrane filtration system for water treatment and a water treatment process
10/30/2007US7288196 Plant matter packaging method
10/30/2007US7288192 Wastewater treatment station in shipping container
10/30/2007US7288190 Method, apparatus and system for removal of contaminants from water
10/30/2007US7288187 Organic waste management system
1 ... 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 ... 465