Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
06/2002
06/20/2002US20020074285 Treatment unit for treating a fluid and method thereof
06/20/2002US20020074275 Water processing device
06/20/2002US20020074243 Wherein there is no deterioration or breakage of the electrodes or deformation of the plastic case due to heat; for use in swimming pools, bathtubs, pond, farming tanks, air conditioning units
06/20/2002US20020074241 Apparatus and method for electrolysis of beverages
06/20/2002US20020074237 Two plate electrodes facing each other, a direct current power source and a control circuit for changing polarity of the electrodes alternately
06/20/2002US20020074236 Electrolysis unit with a hydrogen side, and an anode, cathode and a hydrogen/oxygen recombination catalyst connected to a subsystem to decompose water to hydrogen and oxygen
06/20/2002DE10100803A1 Method for cleaning liquid media contaminated with harmful substances, e.g. waste water, comprising use of substances containing humin
06/20/2002DE10063808A1 Bathing system and plant comprises tank with pump and salt supply plus degerminating plant and valve controls with lines to bath complete with drain and filling lines bypassing tank.
06/20/2002DE10063299A1 Iodharze Iodharze
06/20/2002DE10063140A1 Seawater distillation plant has an inverted-cup shape and reduces headspace air pressure to promote evaporation and convective seawater circulation
06/20/2002DE10062267A1 Verfahren und Mittel zur Behandlung des Umlaufwassers in Lackierkabinen Methods and compositions for treatment of the circulating water in spray booths
06/20/2002DE10062097A1 Legionella destructor and biofilm remover for recirculating hot water systems, introduces ozone gas into water flow ahead of extraction points
06/20/2002DE10061890A1 Wastewater- or potable water purification using gaseous oxidant, finely divides liquid-gas-emulsion flow ascending treatment column
06/20/2002DE10061656A1 Multifunctional water soluble copolymer-hydrogel, useful as e.g. flocculation agent, comprises cationic copolymer(s) of (meth)acrylic acid monomer(s) and cationically charged (meth)acrylic acid ester-monomer(s)
06/20/2002DE10061012A1 Filter for filtering water in water treatment plant comprising filter beds arranged on base, and lances with inlets for disinfecting liquid on one side, and outlets
06/20/2002DE10060478A1 Method for obtaining water free from bacteria and smells, comprises treatment of water with ozone in container filled with active carbon and/or substances containing zeolite
06/20/2002DE10059897A1 Aerobic bio-purification of organically-loaded waste water, followed by membrane- or ultrafiltration, employs pure oxygen or oxygen-enriched air
06/20/2002DE10059642A1 Reinigungsmittel Detergent
06/20/2002DE10059441A1 Verfahren zur Flotation von Wasser Process for the flotation of water
06/20/2002CA2431402A1 Decontaminated fluids and biocidal liquids
06/20/2002CA2431316A1 Fluid treatment system and radiation source module for use therein
06/20/2002CA2431305A1 Method for regulating a membrane filtering installation
06/20/2002CA2431176A1 Groundwater remediation
06/20/2002CA2430154A1 Purifying device
06/20/2002CA2429606A1 Fluorometric control of aromatic oxygen sca vengers in a boiler system
06/19/2002EP1215332A1 Metal chelate-forming fiber, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber
06/19/2002EP1215177A1 Process for the biological treatment of wastewater
06/19/2002EP1215176A1 Method for liquid chromate ion and oxy-metal ions removal and stabilization
06/19/2002EP1214968A2 Device for aerating water
06/19/2002EP1214273A1 Microbiological water filter
06/19/2002EP1214138A1 An apparatus and method for improving an osmosis process
06/19/2002EP1214137A1 Seawater pressure-driven desalinization apparatus and method with gravity-driven brine return
06/19/2002EP1214133A2 System filter for pond water or the like
06/19/2002EP1214081A2 Superoxidized water based on hypochlorous acid for the treatment of wounds
06/19/2002CN2495691Y Water-saving device for reutilization of wastewater
06/19/2002CN2495639Y Equipment for treating crude benzene terminal cooling water
06/19/2002CN2495638Y Electrocoagulation device for wastewater treatment
06/19/2002CN2495637Y Solar energy sea water desalination equipment
06/19/2002CN2495636Y Electric water heater able to produce pure water
06/19/2002CN2495276Y Tooth cleaning device with washing and sterilization function
06/19/2002CN1354795A Polypeptides having lactonohydrolase activity and nucleic acids encoding same
06/19/2002CN1354684A Membrane pre-treatment process
06/19/2002CN1354633A Electric water heating appliances
06/19/2002CN1354143A Process for removing nitrogen and phosphorus at same time from waste water
06/19/2002CN1354142A Crosslinked cationic polyacrylamide microgranule flocculant containing polyoxyethylene branched chain
06/19/2002CN1354141A Application of quaternaries compound for controlling seawater algae flower and fresh water algae flower
06/19/2002CN1354140A Catalytic electrolytic waste water treatment equipment
06/19/2002CN1354139A Method and device for treating waste water containing acetic acid
06/19/2002CN1354127A Sulphuric acid recovery device
06/19/2002CN1353967A Water-cleaning and magneralizing device of full-automatic water drinking machine
06/19/2002CN1086365C Waste liquor treating agent and its method for treating waste liquor
06/18/2002US6408227 System and method for controlling effluents in treatment systems
06/18/2002US6406634 Pollution cleanup system and method
06/18/2002US6406626 Microporous support membrane and layer from condensation, crosslinking polyamides and ultra thin membrane layer
06/18/2002US6406622 Apparatus for filtering a fluid
06/18/2002US6406619 Three stage sewage treatment plant
06/18/2002US6406618 Portable fire sprinkler chemical feed system
06/18/2002US6406617 Scum extraction
06/18/2002US6406597 Water distilling device
06/18/2002US6406510 Methods for treating wastewater sludge
06/18/2002US6406218 Low-flow-contaminant-adsorbing system
06/18/2002US6405875 Water filtration device and method
06/18/2002CA2228454C Method and apparatus for killing microorganisms
06/13/2002WO2002046107A1 Method for the recovery of iron from acidic, metal-contaminated water
06/13/2002WO2002046106A1 Device for the precipitation of lime from water
06/13/2002WO2002046103A1 Corona method and apparatus for altering carbon containing compounds
06/13/2002WO2002045861A1 Chemical removal and suspended solids separation pretreatment system
06/13/2002WO2002045833A1 Air diffuser and flushing method thereof
06/13/2002WO2002045827A1 Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same
06/13/2002WO2002045816A2 Double-cartridge filter medium housing
06/13/2002WO2002045515A1 Lemon extract and treatment methods
06/13/2002WO2002045511A2 Concentrated aqueous bromine solutions and their preparation
06/13/2002WO2002012124A3 Flow control module for ro water treatment system
06/13/2002WO2002010071A3 A process and an apparatus for extracting potable water from a brine
06/13/2002WO2001096026A3 Dual-cell mechanical flotation system
06/13/2002WO2001056616A3 Dental equipment and method of operating such equipment
06/13/2002US20020072558 Rubber derivatives and method for their preparation
06/13/2002US20020071795 Maintenance of a constant energy level throughout the length of the energy-producing electrode, efficient adjustment of the products of ozonation, so that ozone or nitrogen-containing products can be favored.
06/13/2002US20020071794 Water to be used for irrigation; generating ozone and other atoms and molecules resulting from the bombardment of a feed gas with electrons
06/13/2002US20020071793 System and method for treating cooling tower water
06/13/2002US20020071792 Colloidal silver; rotational impeller is mounted along with several sets of electrodes connected to a power transformer; voltage causes silver particles to separate from silver wire electrodes and become suspended in the water
06/13/2002US20020070184 Multiple stages of filtration or treatment with intermediate storage; inter-stage liquid is split off to intermediate storage and then subsequently returned to a later stage of processing
06/13/2002US20020070183 Clarified sludge pellets, still hot or warm due to thermal drying, are held at temperature in a sanitizer for a dwell time of at least 10 min and thus sanitized and additionally dried
06/13/2002US20020070180 System and method for treating irrigation water
06/13/2002US20020070178 Cooling tower water cleaning system
06/13/2002US20020070177 Water treatment assembly
06/13/2002US20020070176 Method for automatically controlling the level of dissolved oxygen in water based on a pressure tank system equipped with sterilizer
06/13/2002US20020070175 Systems and methods for gas exchange and/or organic separation from fluids
06/13/2002US20020070174 Microwave assisted cleaning and reclamation of industrial wastes
06/13/2002US20020070172 Contact and adsorbent granules
06/13/2002US20020070171 Adding selective capturing agent comprising cyclic compound capable of forming complex with metal to an aqueous solution; bringing solution into contact with an ion exchange solid phase so as to transport desired metals to solid phase
06/13/2002US20020070163 For use with a conventional septic tank, or other small-scale wastewater treatment facility
06/13/2002US20020070157 Filter device
06/13/2002US20020070156 Removable filters and water heating vessels incorporating such
06/13/2002US20020070155 Apparatus for treating waste water
06/13/2002US20020070154 Water purifying cartridge for empty pet bottle
06/13/2002US20020070153 Liquid dispenser with closed gravity filter and air breathing system
06/13/2002US20020070123 Electrochemical system capable of efficiently generating even small amounts of ozone
06/13/2002US20020070107 Water purification system and process for treating potable water for at source use
06/13/2002US20020070105 Apparatus for and method of heating fluid and distilling fluid