Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
02/2000
02/09/2000EP0978483A1 Process and apparatus for the purification of rain and/or mixed water
02/09/2000EP0978482A1 Machine for treating wastewater by centrifugal separation and flotation
02/09/2000EP0978479A2 Purification of waste water contaminated by heavy metals and other toxic substances
02/09/2000EP0978311A1 A method of fluid bed chromatography
02/09/2000EP0977712A1 Removal of hydrocarbons, mercury and arsenic from oil-field produced water
02/09/2000EP0876193B1 Method and device for cleaning flue gases from furnaces
02/09/2000EP0604514B1 Treatment of aqueous media containing organic material
02/09/2000CN2362849Y Four-function water purifier with straight through valve
02/09/2000CN2362848Y Water purifier without substituting core
02/09/2000CN2362842Y Sterilizing detoxifying liquid generator
02/09/2000CN2362841Y Purified water mineralizing apparatus
02/09/2000CN2362840Y Multi-function water purifier
02/09/2000CN2362839Y Multi-function water disinfection purifying equipment
02/09/2000CN2362838Y Equipment for treating resin regeneration waste liquid
02/09/2000CN2362837Y Ultrasonic wave waste water treating apparatus
02/09/2000CN2362836Y Hanging type float oil recovering machine
02/09/2000CN2362835Y Implement for recovering noble metal from waste water
02/09/2000CN2362834Y Water-filtering disinfection tank
02/09/2000CN2362833Y Self-cleaning type hollow fibre ultrafilter purifier for drinking water
02/09/2000CN1244179A Process and apparatus for utilizing animal excrement
02/09/2000CN1243808A Flocculant of halogenated bone glue and its preparing process
02/09/2000CN1243807A Process for treating and recovering black liquid of alkaline paper-making
02/09/2000CN1243806A Process for improving quality stability of super-purified water
02/09/2000CN1049261C Process for removing colored components from solvent for polyacrylonitrile
02/09/2000CN1049196C Apparatus for activating silicic acid in water
02/08/2000US6022512 Method of cleaning and disinfecting hemodialysis equipment, cleaning disinfectant, and cleaning and disinfecting apparatus
02/08/2000US6022480 Methods and devices for treating water
02/08/2000US6022479 Method and device for producing activated liquids and methods of use thereof
02/08/2000US6022459 To purify drinking water, juices, milk
02/08/2000US6022436 Electrode manufacturing process and flow-through capacitor produced therefrom
02/03/2000WO2000005438A1 Electrochemical conversion of transition metal cations to anions at a higher oxidation state
02/03/2000WO2000005331A1 Method for producing solid bodies for use as cleaning agents or as agents for treating waste water
02/03/2000WO2000005178A1 Sorbent, method for producing the same and use of the same for immobilisation of heavy metals and phosphates
02/03/2000WO2000005175A2 Method and device for capacitative demineralization of fluids containing ions
02/03/2000WO2000005174A1 Resin trap device for use in ultrapure water systems
02/03/2000WO2000004971A1 Apparatus and method for separating an immiscible liquid from a liquid influent
02/03/2000WO2000004969A1 Method and device for separating emulsions from process and/or waste water
02/03/2000WO2000004968A1 Method for distilling a fluid with horizontal vapour transfer into a condensation zone and modular device for implementing said method
02/03/2000WO1999067175A8 A method and a device for purifying water
02/03/2000DE19919046A1 Verfahren und Vorrichtung zur Behandlung wässriger, cyanidhaltiger Flüssigkeiten Method and apparatus for treatment of aqueous, cyanide-containing liquids
02/03/2000DE19834874A1 Gaseous impurities removed from ground water by membrane hose surrounded by water and flushed by gas, allowing dry in lieu of wet removal of gas
02/03/2000DE19834727A1 Pilotanlage für die Wasseraufbereitung Pilot plant for water treatment
02/03/2000DE19832916A1 Verfahren und Vorrichtung zur Trennung von Prozeß- und/oder Abwässer mit vorgegebener Konzentration an koagulierbaren, hydrophoben Bestandteilen in eine Hydrophobphase und eine Klarphase Method and apparatus for separation of process and / or waste water having a predetermined concentration of coagulable, hydrophobic components in a Hydrophobphase and a clear phase
02/03/2000CA2338400A1 Electrochemical conversion of transition metal cations to anions at a higher oxidation state
02/03/2000CA2303313A1 Apparatus and method for separating an immiscible liquid from a liquid influent
02/02/2000EP0976850A2 Apparatus and method for recycling
02/02/2000EP0976684A1 Pilot water treatment plant
02/02/2000EP0976683A1 Process for transforming into humus an aqueous suspension of organic matter, especially sewage sludge
02/02/2000EP0976682A2 Magnetic treatment of fluids
02/02/2000EP0976447A1 Fluid bed reactor
02/02/2000EP0976436A1 Wastewater treating agent, method for wastewater treatment, sludge dehydrant, and method for sludge treatment
02/02/2000EP0975590A1 Epsilon caprolactam compositions and byproducts
02/02/2000EP0975552A1 Filter cartridge for gravity-fed water treatment devices
02/02/2000EP0975405A2 Use of aerogels as adsorption agents
02/02/2000CN2361630Y Unpowered domestic sewage treatment apparatus
02/02/2000CN2361629Y Device for preparing multi-energy oxygen-enriched mineralized water
02/02/2000CN2361628Y Tap water purifier
02/02/2000CN2361626Y Spent chloride in water monitoring and medicine-feeding self-controlling instrument
02/02/2000CN2361625Y Water spraying device for adding chloride to tap water and recovering leakage chloride
02/02/2000CN2361624Y Electrostatic water treatment device
02/02/2000CN2361623Y Magnetic filtering gradient field fluid treatment device
02/02/2000CN2361622Y Electromagnetic water treatment device
02/02/2000CN2361621Y Field energy water purifying device
02/02/2000CN2361620Y Oil-water separating device adapted for all kinds of pollution water surfaces
02/02/2000CN2361619Y Vertical automatic sewage draining device
02/02/2000CN2361618Y Three-dimensional ecological greening device for buildings
02/02/2000CN1243532A Aqueous dispension of polymer with high-performance viscosity and preparation and use
02/02/2000CN1243531A Aqueous dispersion of cationic polymer and its production and use
02/02/2000CN1243498A Use of a CaCO3-containing composition as additive to seawater in which marine animals are reared or kept
02/02/2000CN1243497A Increasing turbulent mixing in a UV system
02/02/2000CN1243454A Water treatment
02/02/2000CN1243450A Systems for ameliorating aqueous hydrocarbon spills
02/02/2000CN1243449A Distillation process with reduced fouling
02/02/2000CN1243102A Technology and device for removing organic component from oil-field well-drilling waste water
02/02/2000CN1243099A Active polysilicate flocculating agent and preparation method thereof
02/02/2000CN1048992C Methods of making and using high molecular weight arylamide polymers
02/02/2000CN1048961C Treatment agent for waste liquid of galvanization and method for treating said waste liquid
02/02/2000CN1048861C Natural edible-plant health-care drink and preparation method thereof
02/01/2000US6020422 Aqueous dispersion polymers
02/01/2000US6020285 Calcium aluminate cement based catalyst
02/01/2000US6019950 Ozone and water mixing device
02/01/2000US6019905 Water is treated with an acid to convert the hypochlorite ion into the much more bacteriocidal undisassociated hypochlorous acid.
02/01/2000US6019904 Hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide for the clarification of deinking process waters
02/01/2000US6019901 Process for removing polyamine chelating agents form aqueous solutions
02/01/2000US6019895 Apparatus and method for treating waste water
02/01/2000US6019893 Water purifier for a spa
02/01/2000US6019117 Water line decontamination system
02/01/2000US6019031 Continuous flow electrical treatment of flowable food products
02/01/2000CA2010791C Synergistic microbicidal combinations containing 2-n-octyl-3-isothiazolone and certain commercial biocides
01/2000
01/27/2000WO2000003953A1 Water treatment apparatus and components
01/27/2000WO2000003952A1 Method for treating a fluorine-containing waste water and treating apparatus
01/27/2000WO2000003951A1 A magnet arrangement for a pipe
01/27/2000WO2000003792A1 Method and installation for water treatment
01/27/2000WO2000003781A1 Apparatus for treating flowstreams by electromagnetic flux
01/27/2000WO2000003780A1 Separator
01/27/2000WO2000003779A1 Solar water still
01/27/2000WO2000003750A1 Irradiation of a liquid in a rotating cylinder
01/27/2000WO1999055810A8 Process for de-chlorinating and de-fouling oil
01/27/2000WO1999055627A8 Stable oxidizing bromine formulations, methods of manufacture thereof and methods of use for microbiofouling control
01/27/2000DE19932938A1 Magnetic device for treating fluid stream, e.g. defoaming alkaline developer for photoresist, has alternating poles so that magnetic flux changes along direction of fluid flow