Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
07/2001
07/24/2001US6264177 Method and apparatus for the conditioning of phosphoric acid
07/24/2001CA2217667C A method and composition for inhibiting biological fouling in an irrigation system
07/24/2001CA2204814C Water tapping fixture
07/24/2001CA2175698C Method and apparatus for making water having purified and activated functions
07/24/2001CA2133454C Method and apparatus for effecting gas-liquid contact
07/19/2001WO2001051867A2 Tubular oven
07/19/2001WO2001051801A1 Method and device for influencing the energetic state of a fluid
07/19/2001WO2001051738A2 Water circulation device for decorative ponds
07/19/2001WO2001051683A1 Galvanic methods of accelerating copper dissolution into solutions containing nitrogen compounds
07/19/2001WO2001051424A1 Method and arrangement for introduction of sewage pre-treatment upstream of sewage treatment facility
07/19/2001WO2001051423A1 Growth inhibitor
07/19/2001WO2001051422A1 Static filter pitcher
07/19/2001WO2001051421A2 F.o.t method for waste water
07/19/2001WO2001051420A2 Chemical dispenser
07/19/2001WO2001051213A1 Method and apparatus for the magnetic treatment of fluids
07/19/2001WO2001051187A1 Ozone treating apparatus
07/19/2001WO2001051166A1 Device, method, and system for removing contaminants from a liquid
07/19/2001WO2001051164A1 System and method to improve flotation systems
07/19/2001WO2001050875A1 Beverage brewing system and method for using same
07/19/2001WO2001050863A1 Phytoplankton growth inhibitors and method of water purification with the use of the same
07/19/2001US20010008657 Sink-and-float body for purification and purificator
07/19/2001US20010008218 Multimedia backwashable filtration system
07/19/2001DE19960400A1 Coarse substances removal from waste water involves filtering water using net bags alternately filled and suspended within covered cistern for release to sediment basin
07/19/2001DE19722750C2 Verwendung einer Zusammensetzung als Lackentklebungs- und Sedimentationsmittel Use of a composition as paint detackifier and sedimentation
07/19/2001DE10040098A1 Removal of organic and inorganic impurities from water, by a controlled recycling process involving both precipitating agents and polymeric flocculants
07/19/2001DE10001242A1 Water purification, e.g. precipitation of heavy metals, involves using iron and/or sulfide-containing pyrolisates of organic materials optionally in powdered admixture with bentonites and/or oxidic iron and/or manganese compounds
07/19/2001DE10000874A1 Emergency cross-flow water filter is contained within portable case and electrically powered by solar cells or wind generator
07/19/2001DE10000596A1 General-purpose honeycomb ceramic water filter includes a cylindrical or rectangular mantle.
07/19/2001DE10000487A1 Plant and process for converting ammonium and/or ammonia into elemental nitrogen, useful for purifying water and making it hygienic for swimming, uses specified pH and mixture of oxygen, ozone and/or nitrogen oxide
07/19/2001CA2397290A1 Growth inhibitor
07/19/2001CA2397148A1 Device, method, and system for removing contaminants from a liquid
07/19/2001CA2396389A1 Beverage brewing system and method for using same
07/19/2001CA2396063A1 Phytoplankton growth inhibitors and a water purification method using the same
07/18/2001EP1116694A2 Catalyst for treating waste water, method for preparing the same and process for treating waste water
07/18/2001EP1116693A1 Combined physical water treatment process
07/18/2001EP1116514A1 Dispersant compositions for treating oil slicks on water
07/18/2001EP1115909A2 Flow-through capacitor and method of treating liquids with it
07/18/2001EP1115663A1 Method of dewatering difficult sludges
07/18/2001EP1115662A1 Method for treating organic substances in an aqueous medium, in particular effluents and electrochemical device for implementing said method
07/18/2001EP1115661A1 Liquid treatment
07/18/2001EP1115469A1 Fibrous formation containing active substances, a method for the production thereof, and use of the same
07/18/2001EP1054728A4 Pulsed corona discharge apparatus with radial design
07/18/2001EP0929320B1 Dosing mechanism to feed germicide or disinfectant into a water supplied supply device and the use thereof
07/18/2001EP0846083B1 Process and device for treatment of water from a biodegradeable process
07/18/2001EP0646400B1 Dissolved oxygen reducing apparatus
07/18/2001CN2439439Y Screw propulsion type heating dry distillation equipment separating oil from slag
07/18/2001CN2439244Y Drinking water machine with automatic water level control
07/18/2001CN1304384A Inclusion methods for purifying solvent
07/18/2001CN1304383A Water treatment apparatus
07/18/2001CN1304328A Method for flue gas desulfurization and flue gas desulfurization system
07/18/2001CN1303821A Nanometer ultra-high efficiency flocculating agent
07/18/2001CN1303820A Nanometer ultra-high efficiency sterilization water-cleaning agent
07/18/2001CN1303819A Benitration reactor for drinking water
07/18/2001CN1303818A Method for storing fresh water on the sea
07/18/2001CN1303817A Nanometer ultra-high efficiency water-cleaning agent
07/18/2001CN1068564C Catalyst for treatment of waste water and its preparation method
07/17/2001US6262168 Aqueous dispersions
07/17/2001US6261986 Compaction to porous, permeable form; adsorption
07/17/2001US6261829 Process for combating microorganisms
07/17/2001US6261465 Calcium aluminate based catalyst and use of the catalyst
07/17/2001US6261464 Portable water disinfection system
07/17/2001US6261463 Water based oil dispersant
07/17/2001US6261461 Method for treating waste water with a polymer aggregating agent
07/17/2001US6261460 Method for removing contaminants from water with the addition of oil droplets
07/17/2001US6261459 Decontamination and deodorization of waste waters by adding to said waste waters composition comprising sufficient amount of acid to lower ph, coagulant, alkaline compound, water soluble amine, organic modified clay, polymeric flocculant
07/17/2001US6261457 Soaking used filter media comprising polysulfone in peracetic acid solution for period of time, at least about 18 hours, sufficient to clean filter media so it can be reused for at least about 30% of original period of use
07/17/2001US6261456 Waste water treatment method and waste water treatment equipment capable of treating waste water containing fuluorine, nitrogen and organic matter
07/17/2001US6261450 Magnetic source device
07/17/2001US6261449 Fluid purification system
07/17/2001US6261447 Portable, automatic, steam pressurized water filtration system
07/17/2001CA2150328C Apparatus for manufacturing magnetized water and magnetic force generator used therefor
07/17/2001CA2052042C Low salt level sensor
07/12/2001WO2001049876A1 Measurement and control of sessile and planktonic microbiological activity in industrial water systems
07/12/2001WO2001049615A1 Wastewater treatment plant operating procedure
07/12/2001WO2001049614A1 Process and means to prevent microorganisms blooming in an aquatic system
07/12/2001WO2001049613A1 Water treatment method and apparatus
07/12/2001WO2001049612A1 Water purification filter
07/12/2001WO2001049611A1 Dairy wastewater treatment
07/12/2001WO2001049397A1 Automatic device for purifying drinking water
07/12/2001WO2001049389A1 Method and apparatus for metal removal by ion exchange
07/12/2001WO2000000143A3 Liquid transport member for high flux rates between two port regions
07/12/2001US20010007649 Oxidation using ascorbic acid or its salt; small load on an environment;
07/12/2001US20010007507 Photocatalytic panel and method for activating same
07/12/2001US20010007314 Bubbling gas
07/12/2001US20010007311 Using calcium carbonate
07/12/2001DE19963649A1 Water disinfecting device comprises filter cartridge whose inner surface has photocatalytic activity and UV lamp positioned inside it
07/12/2001DE19960700A1 Verfahren und Vorrichtung zur Behandlung von Flüssigkeiten Method and apparatus for treatment of liquids
07/12/2001DE10100424A1 Korrosions- und abnutzungsbeständige, dünne Diamantfilmbeschichtung, Herstellungsverfahren und Anwendungen dafür Corrosion and wear-resistant, thin diamond film coating, manufacturing methods and applications for
07/12/2001DE10065625A1 Decalcifying unit comprises salt tank in front of chamber which serves for accommodation of salt-water, is provided with a salt-water inlet line, and is connectable to the tank holding decalcifying substances
07/12/2001DE10065623A1 Decalcifying unit with for softening water entering into household appliance comprises flow measuring device provided with degasifying arrangement located after the tank with decalcifying substances
07/12/2001DE10000488A1 Production of drinking-quality water involving simultaneous conversion of nitrate to nitrogen and water purification using oxygen/ozone mixture
07/12/2001CA2395511A1 Dairy wastewater treatment
07/11/2001EP1114426A1 Medical devices incorporating at least one element made from a plurality of twisted and drawn wires
07/11/2001EP1114147A1 A 2,6-$g(b)-D-FRUCTAN HYDROLASE ENZYME AND PROCESSES FOR USING THE ENZYME
07/11/2001EP1113996A1 Iron-catalysed oxidation of manganese and other inorganic species in aqueous solutions
07/11/2001EP1113995A1 Method of controlling biofouling in aqueous media using antimicrobial emulsions
07/11/2001EP1113994A1 Portable water purifier with ultraviolet light source
07/11/2001EP1113859A1 Fluid treatment elements, methods for cleaning fluid treatment elements and methods for treating fluids
07/11/2001EP1113847A1 Method for distilling a fluid with horizontal vapour transfer into a condensation zone and modular device for implementing said method
07/11/2001EP1034139B1 A method for purifying water using a membrane filtration unit and use of a rinsing unit for creating anaerobic conditions