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)
11/2009
11/11/2009CN101574626A Tubular membrane element and integral membrane bioreactor
11/11/2009CN101574049A Ecological hydroponic floating platform
11/11/2009CN100558661C Biological treatment technique for coking waste water
11/11/2009CN100558660C Method and device for treating and reclaiming unpowered sewage
11/11/2009CN100558659C Water treatment method of circulating-water culture system
11/11/2009CN100558657C Method for increasing sulfate reduction bacterium activity
11/11/2009CN100558656C Spiral flow-pulling tumbling-box anaerobic reactor
11/11/2009CN100558655C Back-flushing operation method of dynamic membrane bioreactor
11/11/2009CN100558654C Energy source self-help river water contamination treating apparatus
11/11/2009CN100558653C Aniamal and bird manure water treating system and treatment
11/11/2009CN100558650C Integreted tech. from ginger processing and waste water treating
11/10/2009US7615156 For processing liquid waste to remove substances that may impair functioning of waste disposal utilities such as sewage treatment plants and sewage pumping stations inside a grease interceptor or grease vault; includes medium for forming microbial film and exposing film to effluents for decomposition
11/10/2009US7615155 Accumulated solid, non-digestible matter is removed from the bottom portion of the bioreactor while maintaining steady-state operation; the matter can be removed as a slurry (i.e. solids and liquids) through a second outlet that is located in or near the bottom surface of the vessel
11/10/2009US7615154 For treatment of suspensions containing biodegradable substances in which biowastes or renewable raw materials are fermented; due to high solids content of suspension to be treated, an increased risk of clogging exists for gas charging system; anticlogging nature of guide offers important advantage
11/10/2009US7615153 Remediating a subsurface contaminant plume by introducing a mixed culture of Dehalococcoides selected from the strain consisting of ATCC Deposit PTA-8259 into a subsurface region contaminated with a chlorinated ethene or halogenated ethane
11/10/2009US7615149 Agitator in a sewer system
11/05/2009WO2009134402A2 Septage treatment system and method of treating septage
11/05/2009WO2009134023A2 Biofilm reactor containing spiral structure and water treatment device using the same
11/05/2009WO2009133549A2 Apparatus and method for biological treatment of wastewater
11/05/2009WO2009132797A1 Method for cleaning filtration membrane modules and membrane bioreactor system for treating untreated water or wastewater or activated sludge
11/05/2009WO2009132374A2 Device for inserting gas bubbles into a liquid
11/05/2009US20090275112 Nutrient additives for start-up and sustained operation of a biological filter apparatus
11/05/2009US20090272690 energy-efficient denitrification converting into molecular nitrogen in one pot process; controlling a pH-value; fluctuation range of the pH-value being 0.05 at most, and O2-concentration being kept low within a range of 0.2 mg/l to 0.4 mg/l; biosynthesis by controlled intermittent aeration
11/05/2009US20090272689 Liquid aeration apparatus and wastewater treatment method
11/05/2009US20090272688 Bioreactor and Method for the Biological Purification of Water
11/05/2009US20090272687 Method of Deep Sewage Treatment without Sludge Discharge and Device Therefor
11/05/2009DE102008022022A1 Fecal wastewater treatment system using biofiltration for toilets, comprises toilet bowl pipes, by which grey water is discharged from system for flushing toilets, and pumps and other electrically operating units operated with solar energy
11/05/2009DE102008021649A1 Method for stirring and/or aerating fluids such as sewage, comprises cyclically aerating the fluid by immersed aerator for predetermined first period of time using aeration device, and then stirring the fluid for second period of time
11/05/2009DE102008021190A1 Verfahren zur Reinigung von Filtrationsmembranmodul sowie Membranbioreaktor-System zum Aufbereiten von Roh- oder Abwasser bzw. Belebtschlamm A method for purifying filtration membrane module and membrane bioreactor system for processing raw or waste water and sludge
11/05/2009CA2722817A1 Method of conditioning a mixed liquor containing nonionic polysaccharides and/or nonionic organic molecules
11/04/2009EP2113557A2 In situ cleaning of membranes integrated in a bioreactor
11/04/2009EP2113489A1 Aerating rotatory device and biofilm carrier for waste water depuration
11/04/2009EP2113485A1 Set of sequential filters for graywaters treatment
11/03/2009US7611882 High performance in detergent compositions; superior cleaning and stain removal; cleaning a fabric, a dishware or hard surface
11/03/2009CA2364735C Air aspirator-mixer
11/02/2009CA2664581A1 Liquid aeration apparatus and wastewater treatment method
11/02/2009CA2630328A1 Liquid aeration apparatus and wastewater treatment apparatus
10/2009
10/29/2009WO2009130438A1 Process for making sludge cake
10/29/2009WO2009130396A1 Method for treating and/or pretreating liquid manure or biogas plant reject for the elimination of harmful substances, particularly nitrogen, phosphorus, and odor molecules
10/29/2009WO2009130385A1 Method and apparatus for treating liquid manure or biogas plant reject biologically
10/29/2009WO2009129963A2 Process and plant to purify polluted waters
10/29/2009US20090266761 Anaerobic purification of heated waste water
10/29/2009US20090266760 Functional nucleic acids for biological sequestration
10/29/2009DE102008020938A1 Method and device to optimize small sewage treatment-/small purification plants by avoiding/reducing discharge of sludge particles in the small sewage treatment and purification plants and/or other technical plants, comprise mammoth pump
10/29/2009DE102005016080B4 Vorrichtung zum biologischen Reinigen von Abwasser Device for biological purification of waste water
10/28/2009EP2111931A1 Method for disposal of organic waste material and apparatus for the method
10/28/2009EP2111753A1 Method for controlling the growth of algae
10/28/2009EP2111379A2 Bioremediation method for accelerated biological decomposition of petroleum hydrocarbons in sea ice-covered polar regions, and bacteria and enzyme mixtures as agents for carrying out said method
10/28/2009EP2111378A2 Microbial degradation of water-borne paint containing high levels of organic solvent
10/28/2009CN201334420Y Skid-mounted oily wastewater disposing device
10/28/2009CN201334419Y Integrated ultramicro-powered sewage treatment device
10/28/2009CN201334418Y Central island type circular integrated circulatory wastewater treatment device for biological reactor
10/28/2009CN201334417Y Central island type-airlift type aeration integrated circulatory wastewater treatment device for biological reactor
10/28/2009CN201334416Y Central island-type circular integrated circulatory wastewater treatment device for biological reactor
10/28/2009CN201334415Y Airlift aeration wastewater treatment device of integrated circulatory biological reactor
10/28/2009CN201334414Y Wastewater treatment device of integrated circulatory biological reactor with anaerobic biological reactor
10/28/2009CN201334413Y Wastewater treatment device of integrated circulatory biological reactor
10/28/2009CN201334412Y Integrated waste water biochemical treatment device
10/28/2009CN201334401Y Field experimental device simulating the riparian wetland for controlling the agricultural nonpoint source pollution
10/28/2009CN201334400Y Device for replenishing composite vertical current artificial marsh carbon source
10/28/2009CN201334399Y Anaerobic-airlift type aeration integrated circulatory wastewater treatment device for biological reactor
10/28/2009CN201334398Y Airlift type integrated circulatory wastewater treatment device for biological reactor
10/28/2009CN201334397Y Integrated central island-type anoxic-aerobic circulatory wastewater treatment device for biological reactor
10/28/2009CN201334396Y Center island type wastewater treatment equipment of integrated circulatory biological reactor
10/28/2009CN201334395Y Internal-heating type gas-liquid integrated anaerobic fermentation reactor
10/28/2009CN201334394Y Full-automatic internal and external circulation PEIC anaerobic reactor
10/28/2009CN201334393Y Perforated aerator pipe applied to sewage water biochemical treatment
10/28/2009CN201334392Y Rotating brush surface aerator blade with buckets
10/28/2009CN201334391Y Combined jet flow impeller underwater aeration machine
10/28/2009CN201334390Y Stable suspended-type water quality eco-purification biological membrane zone
10/28/2009CN201332627Y Novel ecological pond for high-density loach fry raising and mature loach breeding
10/28/2009CN201332609Y Device for planting on water
10/28/2009CN101568493A System and method for enhancing an activated sludge process
10/28/2009CN101565674A Low-nutrition scenedesmus and application thereof in sewage deep treatment
10/28/2009CN101565261A Treatment process for medical intermediate production waste water
10/28/2009CN101565260A Comprehensive sewage treatment system for small towns and treatment method
10/28/2009CN101565258A Compound technology of biomembrane and granular sludge for treating sulfur-bearing organic wastewater
10/28/2009CN101565240A Method for preparing water quality modifying microecological preparation for reducing ammonia nitrogen and nitrite nitrogen
10/28/2009CN101565239A Method for preparing composite heterotrophic nitrobacteria water quality modifying solid powder or granule
10/28/2009CN101565238A Novel internal circulation moving bed biological film reactor
10/28/2009CN101565237A Sewage recycling anaerobic processing device
10/28/2009CN101565236A Urban sewage treating device
10/28/2009CN101565235A Technology for treating potato alcohol waste water by anaerobic digestion
10/28/2009CN101565234A Technology for treating alcohol waste water by anaerobic digestion
10/28/2009CN101565233A Method of treating organic waste water containing salt by using carrier fluidized bed
10/28/2009CN101565232A Vibration-type membrane bioreactor
10/28/2009CN101565231A Biological treatment method for polynitro arene or azo dye wastewater
10/28/2009CN101565230A Micron bubble-generating device and special cyclone thereof
10/28/2009CN101565229A Bio-contact oxidation and micro-flocculation integrated waste water treating device
10/28/2009CN100554402C Pseudomonas putida with aerobic denitrifying capability and method of treating waste water by the same
10/28/2009CN100554195C High-ammonia nitrogen low C/N ratio waste water treatment process and use thereof
10/28/2009CN100554194C Multi-layer type sewage treatment device
10/28/2009CN100554193C Biology and engineering composite ecological control method for harnessing natural water body
10/28/2009CN100554190C Method for processing waste liquor in preparation of ethanol by manioc fermentation
10/28/2009CN100554186C Organism fixed and permeating reaction wall system and stuffing for repairing polluted underground water
10/28/2009CN100554185C Method of treating organic tin compound in sewage by utilizing solidified algae pellets
10/28/2009CN100554184C Ecological assemblage floating bed having no influence on flood discharge and capable of automatically steering
10/28/2009CN100554183C Waste water processor
10/28/2009CN100554182C External membrane bioreactor system for sewage treatment and method thereof
10/28/2009CN100554181C Biological aerated filter filler using waste material as raw material and preparation method thereof
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