C02F 3 - Biological treatment of water, waste water, or sewage

Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
11/2004
11/16/2004	US6818136 Efficient, energy saving homogeneous gas dissolution; producing bubbles under partial vacuum and vortex creating agitation
11/16/2004	US6818123 Water clarification treatment system through denitrification reduction by facultative anaerobic bacteria
11/16/2004	US6817375 Torsion generator
11/16/2004	CA2119792C Composting toilet
11/15/2004	CA2428677A1 A method of induced froth (foam) formation process and natural purification
11/11/2004	WO2004096719A1 Method for purifying coke waste water using a gas-permeable membrane
11/11/2004	WO2004074186A3 Ammonia nitrification over a carbonate alkalinity source
11/11/2004	WO2004038491A3 Method and system for removal of contaminants from aqueous solution
11/11/2004	US20040224400 Novel multifunctional adhesin proteins and their display in microbial cells
11/11/2004	US20040222150 Process for removing phosphorus from wastewater utilizing a triple basin wastewater treatment system
11/11/2004	DE202004013885U1 Ecologically acceptable, water treatment composition, useful for improving water quality in ponds, lakes or swimming baths, containing e.g. bacteria, fungi, yeasts, minerals, vitamins and/or enzymes
11/11/2004	DE202004010485U1 Small-scale assembly to process previously used as drinking water or for a household process has a bioreactor and a permeate tank
11/11/2004	DE10318736A1 Verfahren zur Reinigung von Kokereiabwasser Process for the purification of coking wastewater
11/11/2004	CA2523360A1 Method for purifying coke waste water using a gas-permeable membrane
11/10/2004	EP1475354A1 Apparatus for and a method of treating organic waste
11/10/2004	EP1474608A1 Disposal of waste fluids
11/10/2004	EP1165446A4 Method and arrangement for introduction of sewage pre-treatment upstream of sewage treatment facility
11/10/2004	CN2654598Y Composite anaerobic biological waste water treatment reactor
11/10/2004	CN2654597Y Hydraulic circulation composite UASB reactor
11/10/2004	CN2654596Y Aeration rotary tray
11/10/2004	CN2654595Y Plant fiber filler
11/10/2004	CN1544356A Probiotic bacterium compound formulation preparation method
11/10/2004	CN1544355A Aquacultural water body cleaning method using microorganism
11/10/2004	CN1544354A Power-free synergistic device and technology of microorganism processing for sewage
11/10/2004	CN1544353A Seamless rectangular water pool construction method of bounded or unbounded prestressed force
11/10/2004	CN1544351A Biological treatment method of waste water from printing and dying
11/10/2004	CN1174927C Energy-saving oxygenation system for sewage treatment
11/09/2004	US6815404 Detergent
11/09/2004	US6814866 Restore or enhance the capacity of a leach field, heated air is flowed into the conduits and then into the soil which comprises the influence zone
11/09/2004	CA2366606C Method and arrangement for introduction of sewage pre-treatment upstream of sewage treatment facility
11/09/2004	CA2116248C A reactor
11/04/2004	WO2004079030A3 Composite material for a permeable reactive barrier
11/04/2004	US20040219651 Novel biological floculants and production methods
11/04/2004	US20040219650 Hydrolyzing the materials in an anaerobic vessel, transferring the liquid product of hydrolysis to an anaerobic digester, and further decomposing the waste materials under aerobic conditions to yield a compost
11/04/2004	US20040217052 Biofilm reduction in crossflow filtration systems
11/04/2004	US20040217051 Plant and method for purification of water coming from a desulphuration kerosene plant
11/03/2004	EP1473279A1 Apparatus and process for the anaerobic digestion of biomass and production of biogas
11/03/2004	EP1204607B1 Method and arrangement for purification of water
11/03/2004	EP0533754B1 Method of biological treatment of liquid
11/03/2004	CN2652923Y Mechanical stirring UASB reactor
11/03/2004	CN2652922Y Super fine hole aerator based on aeration and push flow integration optimizing
11/03/2004	CN1541954A Artificial plant island
11/03/2004	CN1541953A Preparation method of algae inhibitor
11/03/2004	CN1173894C Fluidized biomembrane carrier and its making method
11/03/2004	CN1173892C Electrode holder for sewage
11/02/2004	US6811702 Process and installation for treating a polluted aqueous liquid showing a COD value
11/02/2004	US6811701 Fixed-film anaerobic digestion of flushed manure
11/02/2004	US6811700 Aerobic, anaerobic nonchemical wastewater treatment
11/02/2004	US6811296 Aeration apparatus and method
11/02/2004	US6811148 Quick-connect diffuser assembly
11/02/2004	CA2262770C Biodegradation of the gasoline oxygenates
10/2004
10/28/2004	WO2004092079A1 Apparatus and method for the treatment of waste
10/28/2004	WO2004092078A1 Herbal water treatment method for prosperity of biological
10/28/2004	WO2004092077A1 Method and device for the treatment of flowable media by means of a filter reactor
10/28/2004	WO2004071963A3 Treatment system and method for remediating a body of water
10/28/2004	US20040211723 Membrane supported bioreactor for municipal and industrial wastewater treatment
10/28/2004	US20040211722 Treats wastewater using the biologically activated sludge
10/28/2004	US20040211714 Wastewater treatment apparatus
10/28/2004	DE10356681A1 Conversion of ground water into clean drinking water, by the oxidizing of dissolved metal compounds and the separation of microbes, uses a pipe reactor with a recirculating flow of active sludge and a membrane filter
10/27/2004	EP1471037A1 A set of parts to provide a sewage treatment plant
10/27/2004	EP1470085A1 Method and plant for biological treatment of aqueous effluents for purification thereof
10/27/2004	CN2651241Y High range surface filtering material of aeration biological filtering pool
10/27/2004	CN2651240Y Aeration biological filtering pool
10/27/2004	CN2651239Y Strong oxidizing and circulating water treater
10/27/2004	CN1541190A Appts. and method for treating organic waste water
10/27/2004	CN1539767A Membrane treatment system for separating virus
10/27/2004	CN1539762A Sewage treatment appts. using self-granulating active sludge and sewage treatment process
10/27/2004	CN1539761A Method for treating organic waste water and reactor of bed of anaerobic sludge
10/27/2004	CN1539760A Turntable for treating water in photocatalysis and biology method
10/27/2004	CN1539759A New type membrane bioreactor
10/27/2004	CN1539758A Reactor of biomembrane of suspended carrier on horizon eddy flow and repairing method on site of water body
10/27/2004	CN1539757A Artifical aquatic
10/27/2004	CN1539756A Method by using salts of zinc, molybdenum and magnesium as amps
10/27/2004	CN1539755A Method by using vitamin as amps
10/27/2004	CN1172860C Sewage treatment equipment
10/26/2004	US6808631 Aerobic wastewater treatment apparatus
10/26/2004	US6808630 System and method for AI controlling waste-water treatment by neural network and back-propagation algorithm
10/26/2004	US6808629 Method for effluent purification
10/26/2004	US6808628 Membrane bioreactor using non-woven fabric filtration
10/26/2004	US6808622 Wastewater purifying apparatus
10/21/2004	WO2004089835A1 Method of treating sludge resulting from biological treatment with use of fish and apparatus therefor
10/21/2004	WO2004018067A9 Airlift membrane device, bioreactor and bioreaction process
10/21/2004	US20040206701 Soil based disposal trench that has failed from biomat slime and wastetreatment vessels
10/21/2004	US20040206700 Anaerobic granulation tank; aerobic tank ; circulation cycles
10/21/2004	US20040206699 Combined activated sludge-biofilm sequencing batch reactor and process
10/21/2004	US20040206696 Denitrification of aquarium water
10/21/2004	DE202004006455U1 Transportable or semi-underground small plant treating domestic gray water or sewage, includes sections for sedimentation and activated sludge processing
10/21/2004	DE10259916A1 Kläreinrichtung zur biologischen Reinigung von Wasser Clarifier for biological treatment of water
10/20/2004	EP1468968A1 Biocatalyst containing a laccase
10/20/2004	EP1351895B1 Method and conditioning agent for treating waste water and air pollutants
10/20/2004	EP1113998B1 Process for the treatment of waste water containing specific components, e.g. ammonia
10/20/2004	EP0750590B1 Waste treatment plant and process
10/20/2004	EP0739416A4 Enzyme based bioremediation
10/20/2004	CN2649583Y Aerobic-anaerobic two-purpose waste water treating apparatus
10/20/2004	CN2649582Y Ozone bioreactor
10/20/2004	CN2649581Y Hospital sewage fully-closed treatment integrating apparatus
10/20/2004	CN2649580Y Composite bacterial enzyme stratum type sewage purifying apparatus
10/20/2004	CN1537817A Treatment method for treated water containing organic and nitrides
10/20/2004	CN1537815A Composite bacterial enzyme stepped sewage purification device
10/20/2004	CN1537814A Microorganism metabolism type regulate and control method, in sulphate waste water treatment

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