Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
12/2002
12/11/2002CN2525078Y Water treating cup
12/11/2002CN2525077Y Water activating filter
12/11/2002CN2525076Y Sewege deodorizing and sterilizing irrigation machine
12/11/2002CN2524608Y Multifunction kettle with a net bladder
12/11/2002CN1384806A Cationic polymers for sludge dewatering
12/11/2002CN1384709A Bio-supportive matrices, methods of making and using the same
12/11/2002CN1384126A Prepn process of heterodispersive chelate resin
12/11/2002CN1384069A Method of treating naphthalene-blowing effluence and recovering resource in 2-naphthol producing process
12/11/2002CN1384064A Method for treating algaes in water
12/11/2002CN1384063A Effluent treating process for wet zinc smelting
12/11/2002CN1384062A Water treating apparatus
12/11/2002CN1384060A Ionic water magnetizing and softening machine
12/11/2002CN1383926A Settling centrifuger with internal rotor
12/10/2002WO2001098215A1 Composition for cleaning up natural water and sewage water and method for producing said composition (variants)
12/10/2002US6492098 Before starting a utilization of the membrane, circulating the permeate and the retentate through the nanofiltration membrane for a set time
12/10/2002US6491879 Ozone generator
12/10/2002US6491868 Used to filter and treat contaminants in water
12/10/2002US6491838 Storage stability, low viscosity, hydrophobic; hydrolysis
12/10/2002US6491828 Method and system to remotely monitor groundwater treatment
12/10/2002US6491827 Applying aluminum chlorohydrate and branched epichlorohydrin amine condensate polymer to pulp and paper mill liquid effluent to decolor; flocculation, agglomeration
12/10/2002US6491826 Foam generated by coalescing bubbles collected in trough; directed by deflector; aquaculture
12/10/2002US6491825 Method for using a magnetic treatment apparatus for fluids
12/10/2002US6491822 Bilgewater is passed upstream of the cross filter membrane through a fluid-pervious filtration media which has been infused with an absorbtion composition
12/10/2002US6491820 Pulsed-electric field is generated by an electroporating device producing a non-arcing pulsed electric field.
12/10/2002US6491815 Construction of a water treatment reservoir for a domestic water treatment appliance
12/10/2002US6491812 Ice water cooling system
12/10/2002US6491811 Sensor for a water treatment apparatus
12/10/2002US6491797 Methods of oxidizing organic contaminants in aqueous mediums using corona induced reactions
12/10/2002US6491181 Center opening treatment tank
12/10/2002US6490866 Generation of electricity and the treatment and disposal of sewage
12/10/2002US6490777 Methods for producing solid subassemblies of fluidic particulate matter
12/10/2002CA2217527C Water distiller with improved automatic shut-off feature
12/06/2002WO2001096249A1 Device and method for treating a refuse material containing hydrocarbons
12/06/2002CA2411066A1 Apparatus and process for treating a hydrocarbonaceous waste material
12/05/2002WO2002097312A1 An easy assembly water purifying and supplying system
12/05/2002WO2002097265A1 Wind power plant comprising a seawater desalination system
12/05/2002WO2002097163A1 Method for operating an aluminium pickling bath
12/05/2002WO2002096814A1 Improvements in or relating to distillation apparatus
12/05/2002WO2002096813A1 Method and device for treating liquids containing cyanide
12/05/2002WO2002096812A1 Method for removing oil, fat and grease from water
12/05/2002WO2002096811A1 Cleaning system for uv disinfection module
12/05/2002WO2002096810A1 A fluid treatment apparatus
12/05/2002WO2002096809A1 Device for cleaning water solutions
12/05/2002WO2002096808A1 Method for treatment of wastewater
12/05/2002WO2002096807A2 Electrodeionization apparatus and method
12/05/2002WO2002096559A1 Inorganic ion exchangers for removing contaminant metal ions from liquid streams
12/05/2002WO2002096225A2 Fortified drinking water
12/05/2002WO2002076577A3 Compositions of insoluble magnesium containing minerals for use in fluid filtration
12/05/2002WO2002066079A3 Operatory water disinfection system
12/05/2002WO2002051866A3 Antibacterial treatments
12/05/2002WO2001098362A3 Chemically-modified antimicrobial peptides, compositions and methods of production and use
12/05/2002US20020183570 Method of treating fluorine compound and treated substance
12/05/2002US20020183185 Method for the concentration of fluid-borne pathogens
12/05/2002US20020182262 Based on hypochlorous acid; used in the treatment of leg ulcers or other open wounds.
12/05/2002US20020181960 Photofinishing processing system and a processing solution supply cartride for the processing system
12/05/2002US20020179847 Cleaning system for UV disinfection module/reactor
12/05/2002US20020179694 Method and metals to produce an electrode anode to electrolyze liquid wastes
12/05/2002US20020179545 Removal wastes using filtration cycles; solidification
12/05/2002US20020179542 Anti-microbial and oxidative co-polymer
12/05/2002US20020179541 Process for hydrothermal treatment of materials
12/05/2002US20020179539 Composition and method for treting polluted waters and water sediments
12/05/2002US20020179538 Polyamphoteric polymers for raw water treatment
12/05/2002US20020179536 Manufacturing apparatus for the production of magnetized water and its method
12/05/2002US20020179535 Water filter; detachable sprayer
12/05/2002US20020179534 Light expanded clay aggregates for phosphorus removal
12/05/2002US20020179533 Ion exchanging; adjusting concentration; nanofiltration
12/05/2002US20020179531 Process for selective coagulant recovery from water treatment plant sludge
12/05/2002US20020179517 Immersed membrane apparatus
12/05/2002US20020179515 Elongated hand-held shower head and filter
12/05/2002US20020179514 Method and apparatus for recovery of waste water
12/05/2002US20020179511 Biological waste water treatment system
12/05/2002US20020179510 Biological waste water treatment system
12/05/2002US20020179509 Biological waste water treatment system
12/05/2002US20020179508 System for the production of laboratory grade ultrapure water
12/05/2002US20020179455 Aqueous electrolyzed solution of ascorbyl glucosamine and preparation process therefor
12/05/2002US20020179425 Apparatus and process for purifying a liquid by thermoelectric peltier means
12/05/2002US20020179267 Papermaking, water purification; ion exchanging silicates compounds
12/05/2002US20020179263 Covering interior of vessel overcoating screen; supplying cleaning compound
12/05/2002DE10127675A1 Water filter material includes an indicator which produces a color on contact with water to distinguish used from unused filter material
12/05/2002DE10126837A1 Anlage zur Erzeugung von Reinstwasser Plant for the production of ultrapure water
12/05/2002DE10126701A1 Apparatus for removing dissolved and/or undissolved substances from water comprises a fixed-bed filter that is moved within a water reservoir
12/05/2002DE10125933A1 Verfahren zum Betrieb eines Aluminium-Beizbades A method of operating an aluminum pickling bath
12/05/2002DE10124816A1 Verfahren zur Entkeimung von als Spülflüssigkeit für einen programmgesteuerten Spülautomaten benutztes Frisch- oder Brauchwasser Method for sterilizing as washing liquid for a program-controlled washing machines-used fresh or hot water
12/05/2002CA2448865A1 Inorganic ion exchangers for removing contaminant metal ions from liquid streams
12/05/2002CA2448758A1 A fluid treatment apparatus
12/05/2002CA2445610A1 Fortified drinking water
12/04/2002EP1262461A1 Two-stage water filtration system
12/04/2002EP1262459A1 Water treatment system
12/04/2002EP1262222A1 Device and method for separating with a tubular electro coalescer
12/04/2002EP1261382A1 High energy chamber
12/04/2002EP1261254A2 Method of controlling zoological and aquatic plant growth
12/04/2002EP1202624A4 Aqueous suspensions of low solubility and low stability water additives
12/04/2002EP1113847B1 Method for distilling a fluid with horizontal vapour transfer into a condensation zone and modular device for implementing said method
12/04/2002EP1093441B1 Method for recovering fluorinated alkanoic acids from waste waters
12/04/2002EP0948381B1 Process and apparatus for the evaporation of a liquid
12/04/2002EP0902795B1 Method and products to absorb oil and organic solvents from water and from sea
12/04/2002EP0900175B1 Apparatus and method for treating storm water runoff
12/04/2002EP0797474B1 Portable water purifying and drinking device
12/04/2002CN2523800Y Water saving devices of high buildings
12/04/2002CN2523756Y Sustained iodine releaser