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)
11/2005
11/22/2005US6966982 Aquaculture water quality ecology system
11/22/2005CA2300909C Improved mixing and aerating apparatus
11/17/2005WO2005108680A1 Water control structure, concrete block for water control construction, and method of water control construction therewith
11/17/2005WO2005108310A1 Waste water purification plant by means of plants
11/17/2005WO2005108309A1 Biological treatment which can be used for bacterial bioremediation in aquatic ecosystems and of urban and industrial effluents in order to ensure adequate digestion of organic matter and nutrients
11/17/2005US20050255539 Efficiently collect highly active anaerobic ammoxidizing bacteria from water treated, can carry out acclimatization in a short time; ammonium used as a hydrogen donor can considerably reduce the amount of methanol used for denitrification and reduce the amount of sludge produced
11/17/2005US20050252855 Methods and apparatus for biological treatment of aqueous waste
11/17/2005US20050252854 Method for treating an effluent in three biological steps
11/17/2005US20050252261 System and method for composting-free disposal of organic wastes
11/17/2005US20050252093 Membrane-covered reservoir having a hatchway therein
11/17/2005DE102004019962A1 Small portable plant for treatment of raw domestic sewage and gray water includes provisions for sedimentation, activated sludge treatment, and maintenance
11/16/2005EP1595852A1 Method for treating water containing ammonia nitrogen
11/16/2005EP1595851A1 Method and apparatus for collecting bacterial cells, method for acclimatizing bacterial cells, and wastewater treatment equipment
11/16/2005EP1595588A1 Combined compact filter device
11/16/2005EP1594807A1 Supported biofilm apparatus and process
11/16/2005EP1144318B1 Method for treating an effluent using simultaneous nitrification/denitrification in a trickling filter
11/16/2005EP1059978B1 Filter bed differential pressure monitoring system
11/16/2005CN2740601Y Anaerobic deflecting reactor of high-efficient biological waste water treatment
11/16/2005CN2740600Y Double-acting immersed jetting aerating machine
11/16/2005CN1696278A Method and apparatus for collecting bacterial cells, method for acclimatizing bacterial cells, and wastewater treatment equipment
11/16/2005CN1696069A Integrative reactor for biologic phosphorus removal and denitrogenation from sewage circulated in 3D
11/16/2005CN1696068A Method for building artificial wet land rapidly
11/16/2005CN1227166C Method for denitrogenation of water
11/16/2005CN1227164C Method for synchronous nitration/denitration to treat urban waste water by sequence batch reactor (SBR) biological membrane process
11/16/2005CN1227163C Burying treatment process capable of purifying percolation water and accelerating domestic refuse stabilization
11/15/2005US6964738 Bioreactor processing of wastewater
11/15/2005CA2259517C Multi-phase dual cycle influent process
11/10/2005WO2005105616A1 Method for breaking a flap-valve attachment condition under a membrane cover
11/10/2005WO2005105275A1 Method for aerating membrane modules
11/10/2005WO2005105273A1 Hollow fiber membrane filter with a supporting structure
11/10/2005WO2005105264A1 Apparatus and method for aeration of wastewater
11/10/2005WO2005082796A3 Installation and method for the treatment of sewage sludge, and membrane unit
11/10/2005US20050247623 Compact configuration; molding material; one pot process; clarification, digestion, disinfecting using chlorination, ultraviolet radiation
11/10/2005US20050247622 Anaerobic biological treatments
11/10/2005DE10352636B4 Verfahren und Anlage zur Aufbereitung von Abwässern auf Schiffen Method and apparatus for treatment of waste water on ships
11/10/2005DE10343748B4 Verfahren zum Zerkleinern partikulärer organischer Substanzen in Suspensionen von Mikroorganismen Method for grinding particulate organic substances in suspensions of microorganisms
11/10/2005DE102004019702A1 Schlauchmembran aus Silikonelastomer Tubular membrane of silicone elastomer
11/09/2005EP1456343A4 A process for the anaerobic treatment of flowable and nonflowable organic waste
11/09/2005EP1070024B1 Wastewater treatment method for removing organic matter and nitrogen
11/09/2005CN2739173Y Power-free sewage biological purifying device
11/09/2005CN2739172Y Mixed flow expanded bed anaerobic bio-filter
11/09/2005CN1693236A Process for water body repairing by microorganism film biologic chinampa for large type water body pollution treatment
11/09/2005CN1693235A Air lifting deep water type oxidizing tank
11/09/2005CN1693234A High-efficient treatment method for waste water
11/09/2005CN1693233A Tech. for treating urban sewage by complete mixed hydrolytic acidify
11/09/2005CN1693232A Air water distribution system of strip filtering board for aerating biological filtering tank
11/09/2005CN1693231A System and process for sawage treating with baffling wet land filtering tank and rateral underflow wet land bed
11/09/2005CN1693230A Biological reactor with internal circulating double filtering
11/09/2005CN1693229A Jet-flow aeration biological filtering tank
11/09/2005CN1693228A Aeration biological filtering tank with synchronizing removing nitrogen and organics function
11/09/2005CN1226206C Oxygen-containing water reflux and bioactive carbon waste water treating method and equipment
11/09/2005CN1226202C Aquacultural water body cleaning method using microorganism
11/09/2005CN1226201C Anaerobic/aerobic dual-purpose waste water treatment system
11/09/2005CN1226200C Aerobic bio-membrane sewage treating device
11/09/2005CN1226199C Compound nano biology medium
11/08/2005US6962653 Autothermal aerobic digestion system having closed defoaming system
11/08/2005CA2244108C System for removing nutrients from wastewater
11/03/2005WO2005102944A1 Tubular membrane made of silicone elastomer
11/03/2005WO2005102943A2 Wastewater treatment
11/03/2005WO2005028373A3 Single vessel multi-zone wastewater bio-treatment system
11/03/2005US20050244282 Biological wastewater purification device
11/03/2005US20050242450 Aeration of wastewater ponds using airlift pumps
11/03/2005US20050242029 treating recirculating water passing through air-conditioning systems, heat-exchangers, cooling towers; boron conditioned enzyme retains activity 40% of activity of unconditioned enzyme for two hours after contacting biofilm with biocide or corrosion inhibitor which would normally deactivate the enzyme
11/03/2005US20050242028 Process for treating a body of water
11/03/2005US20050242027 Method for treating water containing ammonium-nitrogen
11/03/2005US20050242026 Low oxygen biologically mediated nutrient removal
11/03/2005US20050242025 Biological composition for processing animal waste
11/03/2005US20050242024 Using a mixed microbiotic culture, particularly of photosynthetically active microorganisms and luminous bacteria, in which the photosynthetically active microorganisms are stimulated to photosynthesis by the light emitted by the luminous bacteria; use in both public and private installations
11/03/2005US20050242023 Method for breaking a flap-valve attachment condition under a membrane cover
11/03/2005US20050242015 Orbital wastewater treatment system with combined surface aerator and submerged impeller
11/03/2005DE102004020226A1 Membranfilter Membrane filter
11/03/2005CA2562501A1 Wastewater treatment
11/02/2005EP1591424A1 Biological waste water treatment plant
11/02/2005EP1591423A1 Unit for wastewater treatment
11/02/2005EP1590301A1 Biological purification of water
11/02/2005EP1446358A4 Integrated anaerobic digester system
11/02/2005EP1307405B1 Method and device for treating waste water from launderettes
11/02/2005EP0946430B1 A diffuser for aerating a fluid
11/02/2005CN2737787Y Sewage treatment apparatus with swinging aeration head
11/02/2005CN1692082A Reactor with a three-phase separating device and method for separating a three-phase mixture
11/02/2005CN1689991A Plant floating island and preparation method thereof
11/02/2005CN1689990A Sewage biological chemical treatment equipment
11/02/2005CN1689989A Denitrogenation technique for waste water containing high concentration ammonia nitrogen
11/02/2005CN1689988A Sewage biological chemical treatment equipment
11/02/2005CN1689987A Circulating system and method for sewage treatment and reutilization
11/02/2005CN1689986A Aerobic initiating method of anaerobic ammoxidation reactor
11/02/2005CN1689985A Aeration biological filter tank and arraying method of aeration filtering head
11/02/2005CN1689984A H circulation pipe separated type membrane bioreactor
11/02/2005CN1689983A Aeration biological filter tank capable of continuous operation
11/02/2005CN1689982A Technique and equipment for treating waste liquor containing high concentration chromium by microorganisms
11/02/2005CN1225414C Method for promoting UASB startup and improving activity of particle mud
11/01/2005US6960299 Treatment of aqueous media containing electrically charged compounds
10/2005
10/27/2005WO2005100269A1 Water purifier
10/27/2005WO2005100268A1 Method of detoxifying arsenic
10/27/2005WO2005100267A1 Drainage treatment apparatus using humic matters
10/27/2005WO2005100266A1 Micro bubble low turbulence sewage treatment method and apparatus
10/27/2005WO2005100265A2 Nitrogen recovery system and method using heated air as stripping gas
10/27/2005WO2005100264A2 Method and apparatus providing improved throughput and operating life of submerged membranes
10/27/2005WO2005099892A1 Mobile unit for the bio-refinement of oil and oil products
10/27/2005WO2005099880A1 Device for injecting gas into a liquid
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