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)
07/2003
07/24/2003US20030136733 Waste treatment by add solubilizers, applying ultrasonic waves, depressurizing swelling treatment, microbial treatment, dephosphorization, denitrification
07/24/2003US20030136732 Apparatus and method for purifying wastewater using back overflowed sludge
07/24/2003US20030136731 Wastewater treatment, converting waste solids through aeration, anaerobic process, denitrification, converting to nitrogen by microorganisms, biodegradation
07/24/2003US20030136716 Growing and conditioning system for bioaugmentation products used for the treatment of waste water and water quality improvement
07/23/2003EP1329426A1 Method and device for reducing volume of excess sludge
07/23/2003EP1246779B1 Method and device for purifying untreated water
07/23/2003CN2561789Y Moderate water processing and reusing apparatus
07/23/2003CN1431973A Process and plant for efficiency solubility of gas and sludge mixing
07/23/2003CN1431927A Fine air bubble generator and fine air bubble generating device with generator
07/23/2003CN1115305C Equipment and process for clarifying daily-life sewage
07/23/2003CN1115304C Continuous sewage treating process and system through intermittent aeration and by active sludge
07/23/2003CN1115303C Stuffing and filtering material loosening and washing method
07/22/2003US6596171 Enhanced activated sludge treatment
07/17/2003WO2003057632A1 Biological treatment process involving post-denitrification mechanism and a membrane filter
07/17/2003WO2003057351A1 Method of using water soluble polymers in a membrane biological reactor
07/17/2003WO2003045847A3 Method for biological treatment of water by adding macromolecular carbohydrates
07/17/2003WO2003018180A3 System and method for withdrawing permeate through a filter and for cleaning the filter in situ
07/17/2003US20030134408 Microorganisms comprising 16s ribosomal subunit nucleic acid for the bioremediation of haloaromatic compounds; detoxification
07/17/2003US20030132160 Membrane biotreatment
07/17/2003US20030132148 Wastewater purifying apparatus
07/17/2003CA2486835A1 Method of using water soluble polymers in a membrane biological reactor
07/16/2003EP1327609A1 Waste water treating device
07/16/2003EP1326806A1 Method for effluent purification
07/16/2003EP0885174B1 Biological denitrification of water
07/16/2003CN2560637Y Dynamic air-diffusing aeration apparatus
07/16/2003CN2560636Y Self-circulating contact flow anaerobic reactor
07/16/2003CN1430582A Improved biofilter
07/16/2003CN1429780A New process for treating sewerage
07/16/2003CN1429779A Method of treating industrial waste water by actived sludge-micro-electrolytic process
07/16/2003CN1429778A Carrier filler and its preparation method
07/16/2003CN1429777A Waste water biological treatment device
07/15/2003US6592767 Occurring in the biological treatment of aqueous organic wastes; plurality of ozone treating reactors in series, agitation of the biosludge under a pressurized condition
07/15/2003US6592763 Method and device for treating aqueous flows in a bioreactor, an ultrafiltration unit and a membrane filtration unit
07/15/2003US6592762 Process for treating BOD-containing wastewater
07/15/2003US6592761 Biological waste water treatment system
07/15/2003US6592757 Selector contact stabilization process and apparatus for wastewater treatment
07/15/2003US6592755 System for treating wastewater
07/15/2003US6592751 Device for treatment of wastewater
07/10/2003WO2003056572A1 Bioremediation method which is used to concentrate and eliminate radionuclides in radioactive water
07/10/2003WO2003055809A1 Clarification basin membrane
07/10/2003WO2003055808A1 Waste treatment apparatus
07/10/2003WO2003006385A3 Textile material for using in a biological sewage treatment installation
07/10/2003US20030129735 Biocatalytic method for remediation of soil, water and air.
07/10/2003US20030129097 Fluidizing reactor and method of treatment of fluids
07/10/2003US20030127399 Process for disposing biocide-containing cooling water
07/10/2003US20030127389 Aerator connecting to air blower; valves; controllers; alternating gas flow
07/10/2003US20030127378 Biofilm carrier, method of manufacture thereof and waste water treatment system employing biofilm carrier
07/09/2003EP0648133B1 Stabilization of biowastes
07/09/2003CN1428209A Fibre body richly containing oilophilic bacteria for degrading hydrocarbon
07/09/2003CN1113820C Activated sludge processing apparatus and method for control of sludge to be returned
07/08/2003US6589776 Method for treating contaminated media
07/08/2003US6589428 Waste water treatment using activated sludge process
07/08/2003US6589425 Method for treating process waste waters highly charged with ammonium in waste water systems
07/08/2003CA2158979C Fixed-bed bioreactor and carrier body for purifying fluids
07/03/2003WO2003053867A1 Method and device for biological treatment of effluents with high ammonium content
07/03/2003WO2003053866A1 Water clarifying system
07/03/2003WO2003024875A3 Method for the biological and chemical/oxidative treatment of waste water containing dye
07/03/2003US20030126632 Method for improving phytoremediation treatment of a contaminated medium
07/03/2003US20030124711 Chemical-resistant bioreactor carrier, processes for producing the carrier and use of the carrier
07/03/2003US20030121853 Apparatus and methods for forming microcultures within porous media
07/03/2003US20030121852 Method and apparatus for treating waste water
07/03/2003US20030121851 Sizing; mixing with base; thermal hydrolysis; forming methane
07/03/2003DE20121595U1 Precipitation pit ventilator comprises directly ventilated pre-settlement chamber, which uses drainage chamber with integral filter
07/02/2003EP1323680A1 Method for recovering nitrates from percolating waters coming from solid urban waste materials
07/02/2003EP1322559A1 Microbiological culture for triggering microbiological processes in water
07/02/2003EP1322558A1 Activated sludge wastewater treatment system and method
07/02/2003EP1244604B1 Method for biological effluent treatment
07/02/2003CN2559024Y Batch active sludge process fuzzy control device
07/02/2003CN2558652Y Microhole pipe type aerator for sewage treatment
07/02/2003CN2558651Y Integrated household sewage treating device
07/02/2003CN2558650Y Double pusher bar drainer
07/02/2003CN2558649Y Filler for multifunctional water treatment
07/02/2003CN2558648Y Autocontrolling device for integral immersed membrane bioreator
07/02/2003CN2558647Y Membrane bioreactor of membrane moving type
07/02/2003CN1428010A Fuel cell power generation method and system
07/02/2003CN1427804A Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors
07/02/2003CN1426973A Membrane bioreactor using non fabric filtration
07/02/2003CN1426966A Method of restoring nutrition enriched shallow lake aquatic vegetation
07/02/2003CN1112956C Combination of hollow fiber membrane and hollow fiber membrane unit and septic tank thereof
07/01/2003US6585895 Wastewater treatment process
07/01/2003US6585888 Aquarium filter system with interchangeable filter cartridges
07/01/2003US6585886 Aerobic microbiological wastewater treatment reactor
07/01/2003US6585236 Aerator
06/2003
06/26/2003WO2003052112A1 Method of producing hydrogen gas by using hydrogen bacteria
06/26/2003WO2003051782A1 Layered sheet for gas supply in water treatment
06/26/2003WO2003051507A1 Apparatus and method for the continuous photolytic treatment of an effluent
06/26/2003WO2003051485A1 Process and apparatus for waste water treatment
06/26/2003WO2003051463A1 Apparatus and method for the continuous photolytic treatment of an effluent
06/26/2003US20030116502 Algal and nutrient control system and method for a body of water
06/26/2003US20030116489 Aquarium cleaning system
06/26/2003US20030116488 Biolytic filtration
06/26/2003CA2745810A1 Process and apparatus for waste water treatment
06/26/2003CA2467025A1 Process and apparatus for waste water treatment
06/25/2003EP1321031A2 Aquarium cleaning system
06/25/2003EP0793622B1 A carrier medium to retain a biofilm for cleaning waste water and a process for the production of this carrier medium
06/25/2003CN1426379A Mehtod and apparatus for treating waste water
06/25/2003CN1425616A Method of building biological fence of water plant
06/24/2003US6582952 Conversion of nitro group to preferential amine; obtain chemical intermediates, mix in nutrient broths, inoculate with bacillus, propagate, separate bacillus from solution, recover amine
06/24/2003US6582602 Characterizing soil and water at location of the contaminated water; accumulating a biomass of selected sulfate reducing bacteria, and introducing biomass into contaminated water via one or more wells at the location of the contaminated water,
06/24/2003US6582596 Bioreactor systems for biological nutrient removal
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