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)
03/2003
03/27/2003DE20118272U1 Garden pond floating plant trough receives water through pump-driven rising pipe
03/26/2003EP1295853A2 Method of treating water and apparatus therefor
03/26/2003EP1295641A1 Heated ultrasonic treating device and treating method for suspended matter-containing liquid
03/26/2003EP1294647A1 Method and device for purifying and treating waste water in order to obtain drinking water
03/26/2003EP1025052B1 Method for reducing the effect of detergents upon germination and/or growth of microorganisms
03/26/2003EP1019329B1 Method for evaluating and controlling the biomass contained in waste water treatment biological tanks
03/26/2003CN2541454Y Hydrolytic acidifying purifying tank for sewage
03/26/2003CN2541453Y Anaerobic filter bed sewage purifying tank
03/26/2003CN2541452Y Intelligenjt rotary water decanter
03/26/2003CN1405307A Specific bacterial strain for fusing two fungi and a protoplast and constructing method thereof
03/26/2003CN1405306A Specific bacteria preparation and method for treating chemical waste water or conventional organic waste water
03/26/2003CN1405099A Fixed-microbe seawage-treatment technology
03/26/2003CN1405098A Biological-film method for treating city sewage
03/26/2003CN1405097A Multifunction sea-water purifying device and treatment method
03/26/2003CN1405096A Intensified water-layout underground infiltration water treatment method and system
03/26/2003CN1103749C Treatment of effluent streams containing organic acids
03/26/2003CN1103747C Method and apparatus for purification of waste water
03/26/2003CN1103744C Method of purifying water and apparatus therefor
03/26/2003CN1103743C Water treatment method and apparatus for treating waste water by using ion exchange resin
03/20/2003WO2003022754A1 Sewage treatment system
03/20/2003WO2003022752A1 Biofilm reduction in crossflow filtration systems
03/20/2003WO2003022041A1 An aquaculture system
03/20/2003WO2003006387A3 The method and system of generating methane and electrical energy and thermal
03/20/2003WO2002074702A3 Immersion percolating filter
03/20/2003US20030052062 Cathode and anode reaction regions defined by a cation exchange membrane and the for-treatment water treated according to electrochemical technique is treated with hypohalogenous acid, or, ozone or active oxygen
03/20/2003US20030052059 Adding anionic or nonionic surfactant to a biological waste treatment system
03/20/2003US20030052058 Suspending a self-powered feeder in a manhole, placing a solid microbe-containing wastewater treatment substance into the feeder, and automatically dispensing a quantity into the waste water
03/20/2003CA2460172A1 An aquaculture system
03/19/2003EP1293486A1 Multiple tube aeration device for small scale wastewater treatment plant
03/19/2003EP1293485A1 Method for treating industrial waste water
03/19/2003EP1293484A1 Process and an apparatus for biological treatment of aqueous organic wastes
03/19/2003EP1293483A1 Wastewater treatment plant with aeration device
03/19/2003EP1293128A1 Separator for the treatment of parts of animal bodies, installation containig it and use
03/19/2003EP1292542A1 Effluent purifying device
03/19/2003EP1147063B1 Process for the treatment of waste water containing heavy metals
03/19/2003EP1059996A4 System and method for capturing and destroying hap/voc substances using microbial degradation
03/19/2003EP0977663B1 Sintered porous plastic products and method of making same
03/19/2003EP0933334B1 Treatment tank for AEROBICALLY TREATING WASTEWATER comprising carriers
03/19/2003CN1403395A Water treatment apparatus
03/19/2003CN1403390A Combined sewage treating process and apparatus
03/19/2003CN1403389A Integral electrochemical denitration method and reactor
03/19/2003CN1103324C Sewage reatment method
03/18/2003CA2287191C Air charged backwashing bioclarifier
03/13/2003WO2003020650A1 A method of biologically purifying waste water and a plant preferably a mini purification plant to be used by the method
03/13/2003WO2003020450A1 Method for processing waste products and corresponding processing plant
03/13/2003WO2002028786A3 Process and apparatus for treating wastewater
03/13/2003US20030049832 Bacillus for use in the efficiently degradation of fats, oils and grease
03/13/2003US20030047521 Contacting the contaminated fluid with an effective amount of an agent selected from oxidizing agents, free radical producing agents and combination for an effective amount of time to convert contaminant to modified contaminant
03/13/2003US20030047519 Heated ultrasonic treating device and treating method for suspended matter-containing liquid
03/13/2003US20030047510 Providing a mixture containing enzymes and surfactants, and introducing the mixture to an aqueous system containing biofilm
03/13/2003US20030047509 For removing nitrogen from wastewater flowing from a primary sewage treatment system
03/13/2003US20030047508 Contacting fluid with microorganism to aerobically degrade pollutant; removing fluid containing compound at the end pass; circulating fluid in a closed loop; contacting the fluid with the microorganism; repeating the procedure
03/13/2003US20030047500 Diffusion bar aerobic treatment plant
03/13/2003US20030047496 Water clarification treatment system through denitrification reduction by facultative anaerobic bacteria
03/13/2003US20030046912 Three-phase separator and installation for biological purification of effluent
03/12/2003EP1291327A2 Process for the anaerobic treatment of an effluent especially an industrial or agricultural effluent
03/12/2003EP1291326A2 Three-phase separator and installation for biological purification of effluent
03/12/2003EP1289891A1 Improvements in or relating to biolytic filtration
03/12/2003EP1289684A2 Composite particles and methods of their use
03/12/2003EP1070030A4 Treatment of waste materials
03/12/2003EP0837941B1 Detection and biodegradation of explosives
03/12/2003CN2539739Y Self-rotating suspension biologic carrier
03/12/2003CN1401594A Anaerobic sewage biological denitrifying device starting method
03/12/2003CN1401593A Filler and pond for biochemical treatment of waste water
03/12/2003CN1401592A Double-layer filter material biological aeration filter pond
03/12/2003CN1401590A Mycelium surface coated biologic adsorbent and preparing process thereof
03/11/2003US6531062 Wastewater purification system for septic tanks; removal of nitrogen
03/11/2003US6531058 Biological fluidized bed apparatus
03/11/2003US6530895 Oxygenating apparatus, method for oxygenating a liquid therewith, and applications thereof
03/06/2003WO2003018199A2 Process for producing energy, feed material and fertilizer products from manure
03/06/2003WO2003018180A2 System and method for withdrawing permeate through a filter and for cleaning the filter in situ
03/06/2003WO2002059044A3 Activated sludge wastewater treatment process
03/06/2003US20030044966 Remediation of sulfur-containing pollutants with hydrocarbon-utilizing bacteria
03/06/2003US20030042200 Method and apparatus for aeration without significant agitation to deplete and biodegrade sludge
03/06/2003US20030042199 Anaerobic processes; water pollution control
03/06/2003CA2425167A1 System and method for withdrawing permeate through a filter and for cleaning the filter in situ
03/05/2003EP1288167A1 Process and installalation for purifying wine related effluents
03/05/2003EP1288166A1 Method and system for pH control
03/05/2003EP1286922A1 Method for biological cleaning of wastewater
03/05/2003EP1286921A1 Method and device for the aerobic, biological purification of waste water
03/05/2003CN1400174A Anaerobic aerobic flocculation precipitation sewage treatment process
03/05/2003CN1102538C Vertical sectional integrated waste water biochemical treatment method and device
03/04/2003US6527956 Method for regulating aeration during waste water biological treatment
03/04/2003US6527948 Apparatus for purification of waste water and a “RFLR” device for performing the same
02/2003
02/27/2003WO2003016226A1 Additive for stabilising biomass
02/27/2003WO2003016221A1 Sectionally built aerator for concentrating machines and for waste water treatment
02/27/2003WO2003016220A2 Vertical phase separation in anaerobic digestion
02/27/2003WO2002081600A3 Black water recycle circulation loop use with a gasifier
02/27/2003US20030038080 Biological removal from wastewater of contamination in the from of insoluble suspended solids as well as nitrogen and phosphorus nutrients using a multicompartment system which allows equal influent distribution
02/27/2003US20030038079 Vertical phase separation in anaerobic digestion
02/27/2003US20030038078 Treating manure such as poultry manure using anaerobic digestion to produce biogas, ammonium salt fertilizer and ruminant animal feed
02/27/2003US20030038067 Recirculation of wastewater in a filtration bed
02/26/2003EP1284934A1 Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors
02/26/2003EP1284930A1 Formation of composite materials with expandable matter
02/26/2003CN1398797A Quick installation of aerator in aerator tank
02/26/2003CN1398796A Sewage treating plant with double-area gravity-elution membrane bioreactor
02/26/2003CN1398795A Bioactive reactor and waste water treating method
02/26/2003CN1398794A Treatment of water containing waste organic matter with nitrate of aromatic amine
02/26/2003CN1102131C Intermittent sewage feeding and intermittent aerobic active sludge sewage treatment process
02/26/2003CN1102130C System and method for removing biologically both nitrogen and phosphorus from sewage and wastewater
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