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)
03/2005
03/09/2005CN1590319A Method of making lake rich nutrition using eel grass
03/09/2005CN1590318A Intermittent aeration device and method for waste water treatment equipment
03/09/2005CN1590317A Speed changing ascending flow anaerobic treatment method
03/09/2005CN1590316A Biological rotary disk device having filtration cavity
03/09/2005CN1590315A Biological oxidation solid liquid separation integrated water treatment technology
03/09/2005CN1590314A Coarse net filtering biological reactor
03/09/2005CN1590313A Polluted water cleaning technology
03/09/2005CN1590312A Polluted water ecological treatment composite process
03/09/2005CN1192175C Air flow circuit switching device
03/09/2005CN1191999C Method of liquifying microorganisms derived from biological waste water treatment processes
03/08/2005US6863823 Inverted air box aerator and aeration method for immersed membrane
03/08/2005US6863818 Method and apparatus for treating wastewater using membrane filters
03/08/2005US6863817 Membrane bioreactor, process and aerator
03/08/2005US6863816 Tidal vertical flow wastewater treatment system and method
03/08/2005US6863815 Small-scale hydrogen-oxidizing-denitrifying bioreactor
03/08/2005US6863810 Wastewater aeration system with lift out lateral pipes and diffusers
03/08/2005US6863805 Automated, self-contained, home sewage treatment system
03/03/2005WO2005019121A1 Method and apparatus for treating organic waste
03/03/2005WO2005019120A1 Treatment facility for treating biological pollution contained in industrial process water
03/03/2005WO2005019119A1 Pipe type water treatment apparatus and water treatment system using the same
03/03/2005WO2005019114A2 Method, apparatus and system for removal of contaminants from water
03/03/2005WO2004056458A3 Methods for cleaning and maintaining membrane surface during filtration
03/03/2005US20050046055 Environmental remediation method and apparatus
03/03/2005US20050045557 Method for treating wastewater in a membrane bioreactor to produce a low phosphorus effluent
03/03/2005US20050045556 Apparatus, system and method for remediation of contamination
03/03/2005US20050045550 Clarification basin membrane
03/03/2005US20050045544 Environmental remediation method and apparatus
03/03/2005DE20316374U1 Waste water treatment plant especially for onboard ship has at least three settlement and processing tanks in line and with sludge pumped back into the first tank
03/02/2005EP1230172B1 Method and device for biologically purifying waste water
03/02/2005CN2682070Y Anaerobic microbiological stationary reactor
03/02/2005CN2682069Y Automatic control membrane biological reactor
03/02/2005CN2682061Y Homogeneous aeration reaction solid-liquid separation device
03/02/2005CN1589239A Organic waste treatment
03/02/2005CN1587126A Energy saving biological sewage treating method of low soluble oxygen filament bacteria sludge expansion
03/02/2005CN1587124A Garbage percolation liquid treating system and method
03/02/2005CN1587123A Physiochemical and biochemical interactive city sewage treating method
03/02/2005CN1587122A Method for mixed biochemical treating filtrate and city sewage
03/02/2005CN1587121A Comprehensive treating method and treating system for industrial aquatic cultivation sewage
03/02/2005CN1587113A Purifying method and purifying system for high concentration ammonia sewage water cultivating terrestrial grass plant
03/02/2005CN1587112A Circular push flow type sewage treating method of water surface plant biological membrane
03/02/2005CN1587111A Discharging technology for livestock feces sewage treatment to reach standard
03/02/2005CN1587110A High temperature aerobic digestion device for sludge
03/02/2005CN1587109A Porous microbial carrier
03/02/2005CN1587108A Sewage deep treatment filler with physiochemical adsorption and biological film property
03/02/2005CN1587107A Horizontal undercurrent artificial wet land sewage treating process of variable grain size combined filler
03/02/2005CN1587106A Polyurethane base biological fixing carrier and sewage treating method
03/02/2005CN1587105A Process for preparing polyurethane base biological fixnig carrier
03/02/2005CN1587104A Method and its device for quickly improving water transparency
03/02/2005CN1587103A Filter material having phosphor adsorbing and biological membrane function and its preparing method
03/02/2005CN1587102A Integrated sewage treating apparatus combining biological fitler tower and underground percolation
03/02/2005CN1587101A Biological filter tower for sewage deep treatment
03/02/2005CN1587089A Process for treatnig paper-making waste water of waste paper
03/02/2005CN1587072A Rice low water permeability coated control release composite fertilizer and its producing method
03/02/2005CN1587042A Process for preparing water glass from acid separation filtrate
03/02/2005CN1191365C Process fr the production of hydrogen sulphide from elemental sulphur and use thereof in heavy metal recovery
03/02/2005CN1191205C Device for the aerobic microbiological treatment of waste water
03/01/2005US6860997 Apparatus and method for processing organic materials
03/01/2005US6860996 Method of producing hydrogen gas by using hydrogen bacteria
03/01/2005US6860995 Periphyton filtration pre-and post-treatment system and method
03/01/2005US6860994 Wastewater management system
02/2005
02/24/2005WO2005016834A2 Installation for the aerobic treatment of a liquid, consisting in moving micro-organism-bearing particles and comprising decantation and degassing
02/24/2005WO2005016826A2 Supported biofilm apparatus and process
02/24/2005WO2005016498A1 Membrane module for gas transfer and membrane supported biofilm process
02/24/2005WO2004076356A8 Wastewater trickle tower biomedia with casing
02/24/2005US20050040114 Directing warm air down through septic system in cold-weather locations; present heater system adapted for connection to vertical access clean-out pipes comprises heater and fan system defining output port for providing flow of heated air
02/24/2005US20050040107 feeding wastewater into an aerobic zone, an anaerobic zone and a clarifying zone; solids settling in anaerobic zone, removing clarified liquid from clarified zone
02/24/2005US20050040105 Mixing a slurry of calcite and oxygen into an aerobic element having a microbiocides and containing an ammonia-containing fluid separating an overflow of nitrate and nitrite products and recycling a collected calcite particle stream; water treatment with controlled pH; detoxification
02/24/2005US20050040104 Method, apparatus and system for removal of contaminants from water
02/24/2005US20050040103 System and method for enhanced wastewater treatment
02/24/2005DE10361996A1 Bioreactor for communal/industrial sewage, in a small sewage processing plant, has a sieve body with a mixture of microorganisms containing photosynthesis and light-emitting organisms
02/24/2005DE10330959A1 Bioreactor for communal/industrial sewage, in a small sewage processing plant, has a sieve body with a mixture of microorganisms containing photosynthesis and light-emitting organisms
02/23/2005EP1237820B1 Process and system for treatment of waste streams containing water-soluble polymers
02/23/2005EP0946233B1 Method of gasifying or degasifying a liquid
02/23/2005CN2680655Y Continental river ship sewage treating equipment
02/23/2005CN2680654Y Anaerobic baffling composite reactor
02/23/2005CN2680653Y Spontaneous dynamic membrane filtration assembly
02/23/2005CN1585601A 水产养殖系统 Aquaculture systems
02/23/2005CN1584014A Acinetobacter for denitrification and decomposing ammonia in wastewater
02/23/2005CN1583604A Composite artificial wet land denitrifying and dephosphorizing method for living waste water vertical fluid-horizontal fluid
02/23/2005CN1583603A Biological treating method for decreasing comprehensive toxic of urban waste water
02/23/2005CN1583602A Wastewater treating apparatus
02/23/2005CN1583601A Reactor with anaerobic suspension bed
02/23/2005CN1583600A Method for preparing granular ammonia oxidative mud with anaerobic bacteria from mixed mud
02/23/2005CN1583599A Anaerobic treating process for high concentration organic waste water
02/23/2005CN1583598A Automatic controlling method and controller for treating urban waste water by suspending filler bed
02/23/2005CN1190489C Pseudomonads and its preparation method and application
02/23/2005CN1190373C Method for processing lignocellulosic material
02/23/2005CN1190372C Biochemical method for synchronously treating discharged sewage
02/23/2005CN1190371C Fortified artificial wetland sewage disposal method and system
02/23/2005CN1190370C Filler and pond for biochemical treatment of waste water
02/23/2005CN1190368C Urban Sewage treating method
02/22/2005US6858417 Dna fragment carrying toluene monooxygenase, gene, recombinant plasmid, transformed microorganism, method for degrading chlorinated aliphatic hydrocarbon compounds and aromatic compounds, and method for environmental remediation
02/22/2005US6858144 Desulfurization; using fixed and fluidized beds
02/22/2005US6858143 Apparatus for the biological purification of water containing organic materials and derived products thereof
02/22/2005US6858142 Polluted water treatment system
02/22/2005CA2438444A1 Hollow fibre membrane supported biofilm module
02/22/2005CA2438441A1 Hollow fiber membrane supported biofilm module
02/22/2005CA2438432A1 Membrane supported biofilm reactor for municipal and industrial wastewater treatment
02/22/2005CA2438101A1 Membrane supported biofilm modules using fibre tows
02/22/2005CA2438050A1 Membrane supported biofilm reactor
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