Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
05/2005
05/17/2005CA2181481C Method of biologically removing nitrogen and system therefor
05/12/2005WO2005042419A1 Tidal vertical flow wastewater treatment system and method
05/12/2005WO2005042418A1 Reactor and method for anaerobic wastewater treatment
05/12/2005WO2005042417A1 Gassing device
05/12/2005WO2005042416A1 Reactor for anaerobic wastewater treatment
05/12/2005WO2005042133A1 Hollow fiber membrane module, hollow fiber membrane module unit, and water treatment method
05/12/2005WO2005041659A1 Drip tray tablet
05/12/2005WO2005007578A3 Method for clarifying waste water containing organic material
05/12/2005US20050102719 Sustained totipotent culture of selected monocot genera
05/12/2005US20050101003 Nutrient broths comprising microorganism for use as water purification tool; bioremediation and pollution control
05/12/2005US20050098498 Subjecting the organic wastewater to an electrolytic oxidation treatment by vibrating the organic wastewater and treating the organic wastewater with a microorganism; ethylenediaminetetraacetic acid (EDTA), 1,3-propylenediaminetetraacetic acid (PDTA) and diethylenetriaminepentaacetic acid (DTPA
05/12/2005US20050098497 Pulsating reactors
05/12/2005US20050098496 Process and assembly for the treatment of waste water on ships
05/11/2005EP1529756A1 Apparatus and method for treatment of waste water and use of heat-insulating panel
05/11/2005EP1529018A1 Tidal vertical flow wastewater treatment system and method
05/11/2005EP1311459A4 Waste treatment process
05/11/2005EP1135340B1 Artificial soils reactors for combined purification and resorption
05/11/2005CN2698779Y High efficiency sewage treatment facility
05/11/2005CN2698778Y Ecological reparation rinsing strip for water quality purification
05/11/2005CN1615277A Water bio-treatment method by adding macromolecular carbohydrate compound
05/11/2005CN1615176A Diffuser and aerating apparatus therewith
05/11/2005CN1614024A Transgened-tobacco for degrading organic mercury pollution
05/11/2005CN1613800A Biological activity reactor system and wastewater treating method
05/11/2005CN1613799A Biomimetic water treating filler and its device
05/11/2005CN1613798A Carrier for waste water biological treatment and its preparation
05/11/2005CN1613797A Method for curing water preventing from water bloom
05/11/2005CN1200890C Waste water treatment plant comprising anaerobic reactor, and wastewater treatment method using same
05/11/2005CN1200889C Method and advice for biological treatment of fluid with biogas generation
05/10/2005US6890439 Biolytic filtration
05/10/2005US6890438 Process for treatment of organic wastes
05/10/2005US6890433 System for treating wastewater
05/10/2005US6890429 Systems and methods for treating waste water
05/10/2005CA2150675C Process for treating waste water
05/06/2005WO2005039746A1 Air diffusing device
05/05/2005US20050095694 Biological method for removing organic polymers
05/05/2005US20050092691 Gas-gas-water treatment system for groundwater and soil remediation
05/05/2005US20050092678 Device for purifying waste water, according to the activated sludge process
05/05/2005US20050092677 First treating with ozone to disrupt cell walls of undesired microorganisms, releasing nutrients from within the microorganisms for bioassimilation by aquatic plants, then ozonating the aquatic plant-treated water again
05/05/2005US20050092670 Autothermal aerobic digestion system having closed defoaming system
05/04/2005EP1527022A2 Method and facility for treatment of sludge derived from biological water purification facilities
05/04/2005EP1527021A1 Odour control of wastewater canal system
05/04/2005EP1214133B1 System filter for pond water or the like
05/04/2005EP1015102B1 Improved mixing and aerating apparatus
05/04/2005EP0873397B1 Novel microorganism and method for environmental purification using the same
05/04/2005DE202004019356U1 Small-scale water purification system comprises pre-clarification chamber and process chamber connected by pump unit with two multi-way valves and control unit, allowing individual inlets to be connected to particular outlets
05/04/2005CN2697086Y Aeration machine used under liquid
05/04/2005CN2697085Y Elastic branching multi-layer filling for water treatment
05/04/2005CN2697077Y Domestic used water purifier
05/04/2005CN1611464A Organic fertilizer using distillers' grains as raw material and its production process
05/04/2005CN1611453A Biological contact oxidation film bioreactor
05/04/2005CN1611452A Integrated sewage treating method and sewage treating tower
05/04/2005CN1200100C Method for producing immobilized microorganism carrier using trable tubes
05/04/2005CN1199883C System for treating waste water of organic nitrogen compound in high concentration and processing technique
05/04/2005CN1199882C Urban and industrial waste water integrated transverse flow type fluidized bed treatment apparatus
05/04/2005CN1199881C Sewage treatment device
05/04/2005CN1199880C Composite stuffing for sewage treating biofilm process
05/04/2005CN1199879C Process for preparing microbial carrier used for treating sewage
05/04/2005CN1199878C Honeycomb section biological fluidized composite reactor
05/04/2005CN1199877C Aerobic-anaerobic air float separation biological fluidized composite reactor
05/04/2005CN1199876C Method for treatment of organic waste water
05/04/2005CN1199875C Composite method for treating industrial and domestic waste water as resource and its equipment
05/04/2005CN1199717C External pressure piller type hollow fiber films assemblies capable of air blast
05/04/2005CN1199556C Resin culture medium, water purification device and application method of resin culture medium
05/03/2005US6887692 Method and apparatus for hydrogen production from organic wastes and manure
05/03/2005US6887386 Method for recovering ionic products
05/03/2005US6887383 Pressurization and depressurization of conduits to improve efficiency of pollution control apparatus, used in sewage treatment
05/03/2005US6887382 System for treatment of manure
05/03/2005US6887374 Collapsible digester
04/2005
04/28/2005WO2005037414A1 Novel device for submerged ultrafiltration
04/28/2005WO2005012191A3 System and method for enhanced wastewater treatment
04/28/2005WO2001074471A9 Universal method and apparatus for conversion of volatile compounds
04/28/2005US20050087489 Isolated marine planctomycetes convert ammonia to nitrogen
04/28/2005US20050087480 Wastewater treatment apparatus and method for removing nitrogen and phosphorus
04/27/2005EP1060133B1 A method and a plant for biological purification of waste water
04/27/2005CN2695438Y High efficient aeration machine
04/27/2005CN2695437Y High efficiency energy saving type film biological nitration reactor
04/27/2005CN1609018A Composite stereo biological hover bed
04/27/2005CN1609017A Environment protecting landscape wet land apparatus with combined submerged and floated modules
04/27/2005CN1609016A Nitrogen and phosphorus removing process
04/27/2005CN1609015A Sewage treating apparatus with baffling, aerating, boosting and gravitationally outflowing membrane bioreactor
04/27/2005CN1609014A Water discharge treatment system
04/27/2005CN1608973A Culture process of high temperature anaerobic hydrogen-generating granular sludge
04/27/2005CN1198766C New process for treating sewerage
04/27/2005CN1198765C Bio-oxidation treatment method of ammonia-nitrogen in waste water from circuit board production
04/27/2005CN1198764C Removal of sulfur compounds from waste water
04/26/2005US6884355 Process for treating organic wastewater and apparatus for treating the organic wastewater
04/26/2005US6884354 System and process for the treatment of wastewater
04/26/2005US6884353 Apparatus for aeration without significant agitation to deplete and biodegrade sludge
04/26/2005US6884352 Dechlorinating polychlorinated hydrocarbons through sulfate reduction; for abiotic decontamination
04/26/2005US6884351 Process for degrading sewage matter and compositions of same
04/26/2005US6884342 Wastewater trickle tower biomedia strands arrangement
04/26/2005CA2123208C Process and apparatus for removal of organic pollutants from waste water
04/21/2005WO2005034613A2 Apparatus and method for controlling biomass growth in suspended carrier bioreactor
04/21/2005US20050082227 Water filtration using immersed membranes
04/21/2005US20050082223 Waste treatment with control over biological solids
04/21/2005US20050082222 Marsh cell adapted to contain media that supports plants having roots
04/21/2005US20050082221 phytoremediation using various fern plants for removing contaminated substances such as arsenic, from sites containing polluted soils and waters and airborne substances such as those found with waste water, ground water, surface water
04/21/2005CA2541545A1 Apparatus and method for controlling biomass growth in suspended carrier bioreactor
04/20/2005EP1181250A4 Method and apparatus to establish and optimize sedimentation and methane fermentation in primary wastewater ponds
04/20/2005EP1163400A4 Water treatment system and method using permeable embankments, weirs, walls or the like