Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
01/2000
01/06/2000CA2336205A1 Liquid transport member for high flux rates against gravity
01/06/2000CA2336079A1 Generator of magnetic fields incremented by the passage of fluids
01/06/2000CA2336022A1 Liquid transport member having high permeability bulk regions and high threshold pressure port regions
01/06/2000CA2336017A1 Electrochemical treatment of water and aqueous salt solutions
01/06/2000CA2335181A1 Molecular sieve cit-6
01/05/2000EP0968966A1 Method and device for oxidation of alkali- or metal-cyanides
01/05/2000EP0968964A1 Process for use of liquid manure
01/05/2000EP0968963A1 Method of decomposing organic compounds with electrolyzed water
01/05/2000EP0968962A1 Method and device for uv treatment of liquid, air and surface
01/05/2000EP0968755A2 Hydrostatic pressure plant for separation/concentration/desalination of liquids, in particular sea or brackish water, via reverse osmosis
01/05/2000EP0968739A1 Method and apparatus for decomposing halogenated aliphatic and aromatic compounds
01/05/2000EP0968258A1 Method and device for purifying contaminated liquids
01/05/2000EP0968136A1 Use of alkalicarbonate peroxyhydrates in fish farming
01/05/2000EP0968045A1 Method for recuperating vent gas coming from an ozonization reactor
01/05/2000EP0775165B1 Dadmac/vinyl trialkoxysilane copolymers and their use in wastewater treatment
01/05/2000EP0758304B1 Process for treating a medium containing organic constituents
01/05/2000EP0749342B1 Heat exchanger element
01/05/2000EP0729436B1 Photoassisted oxidation of species in solution
01/05/2000DE19829984A1 Treatment of filtered potable water using light, air bubbles and minerals
01/05/2000DE19829827A1 Separation of heavy metal ions from aqueous solution involves a polyelectrolyte complex comprising a polycation and a phosphone compound such as diethylenetriamine-pentamethylene phosphonic acid
01/05/2000DE19829799A1 Verfahren zur stofflichen Verwertung von Gülle Method for recycling of manure
01/05/2000DE19829673A1 Verfahren und Anlage zur Behandlung von Abwasser aus der Ölfrüchte- und Getreideverarbeitung Method and apparatus for treating wastewater from oil and grain processing
01/05/2000CN2357004Y Dual-purpose water purifier for family and outdoor
01/05/2000CN2357003Y Dual-purpose water purifier for family and outdoor
01/05/2000CN2357001Y Wide-spectrum disinfecting liquid generator
01/05/2000CN2357000Y Papermaking waste water jet reaction processor
01/05/2000CN2356999Y Materialization pot
01/05/2000CN2356998Y Electronic purifying water pump
01/05/2000CN2356997Y Permanent-magnet type oil-submersible electric pump scale removing device
01/05/2000CN2356996Y Rotary ion-exchanging water treater
01/05/2000CN2356995Y Water quality opsonizing device
01/05/2000CN2356994Y Adjustable length pipe type water decanting device
01/05/2000CN2356993Y Liquid surface covering floating ball
01/05/2000CN2356992Y 净水器 Water Purifier
01/05/2000CN2356991Y Combined sewage precipitation box
01/05/2000CN1240409A Water Treatment process
01/05/2000CN1240198A Closed type water washing reuse system for nickel-ceramic compound plating technology of aluminium alloy cylinder inner wall
01/05/2000CN1240197A Integrated production method for polysilics acid metal salt coagulant
01/05/2000CN1240196A Desalting aqueous streams via filled cell electrodialysis
01/05/2000CN1048005C Fe-C flocculation bed device
01/05/2000CN1048004C Process for treating waste water difficult to oxidize by biological way
01/04/2000US6011089 Spray drying of polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions, and dry polymer products formed thereby
01/04/2000US6010632 Hydrothermal oxidation of organic compounds with heterogenous neutralizing reagent
01/04/2000US6010631 Method and installation for treating an untreated flow by simple sedimentation after ballasting with fine sand
01/04/2000US6010630 Acidification sludgen with sulkfuric acid; oxidation; extraction
01/04/2000US6010626 Compact portable hand-operated filter for purifying water
01/04/2000US6010560 Tube unit and process for its fabrication
01/04/2000US6010011 Flotation apparatus for mineral processing
01/04/2000CA2173315C Method and apparatus for magnetic treatment of liquids
01/04/2000CA2028127C Apparatus and method for continuously removing oxygen from fluid streams
01/04/2000CA2011554C Water-soluble glass water-treating agent
01/02/2000CA2242101A1 Water treatment process and apparatus
12/1999
12/30/1999DE19828556A1 Limescale inhibition unit inducing large magnetic field inside water pipe
12/30/1999DE19828467A1 Flocculating agent for removing colloidally dispersed solids from industrial drinking and waste water and for dewatering industrial sludges, especially in papermaking
12/30/1999DE19819620A1 Vorrichtung zur Gewinnung einer entsalzten Lösung Apparatus for obtaining a desalted solution
12/29/1999WO1999067344A1 Fire retardant intumescent coating for lignocellulosic materials
12/29/1999WO1999067175A1 A method and a device for purifying water
12/29/1999WO1999067174A1 Treatment of waste produced by farm animals raised under confined conditions
12/29/1999WO1999067173A2 Filtering plant for waste water
12/29/1999WO1999067011A1 Bacteriostatic filter cartridge
12/29/1999WO1999067006A1 Coagulation reaction device
12/29/1999WO1999067004A1 Apparatus and process for purifying and chilling a liquid
12/29/1999WO1999067003A1 Process for the treatment of waste water
12/29/1999WO1999057067A3 Method for cleaning waste water from the production of agar-agar
12/29/1999EP0967178A1 Method and apparatus for treating coloured liquid
12/29/1999EP0967002A2 Method for processing polluted fluid
12/29/1999EP0966914A2 Process and domestic appliance for water softening
12/29/1999EP0966492A2 Crosslinked polymer of vinylpyrrolidone containing a crosslinker having both a pendant divinyl moiety and a chelation group capab le of complexing with heavy metal ions in aqueous solution
12/29/1999EP0966405A1 Treatment of effluent streams containing organic acids
12/29/1999EP0966403A1 Process for cleaning fluids with particulate solids
12/29/1999EP0966402A1 Production of ultrapure water by non-chemical treatment
12/29/1999EP0966401A1 Hand-held ultraviolet water purification system
12/29/1999EP0966400A1 Water purification device
12/29/1999EP0966319A1 Portable reverse osmosis unit for producing drinking water
12/29/1999EP0817760B1 Sludge digestion method
12/29/1999EP0696259B1 Apparatus for the treatment of waste water
12/29/1999EP0673276B2 Removal of impurities
12/29/1999CN2356269Y Electric heating water cup with purification
12/29/1999CN2356187Y Magnetizing water tap
12/29/1999CN2356030Y Purifying ion water treatment device
12/29/1999CN2356026Y Electronic descaling and anti-scale device
12/29/1999CN2356025Y 水处理装置 Water treatment plant
12/29/1999CN2356024Y Water treatment electrolytic device with constant gap for anode and cathode plates
12/29/1999CN2356023Y Activating treatment equipment for water
12/29/1999CN2355769Y Large flow water injection filter for oil field
12/29/1999CN1239898A Material treatment
12/29/1999CA2334829A1 Filtering plant for waste water
12/29/1999CA2333545A1 A method and a device for purifying water
12/28/1999US6009238 Water distiller with improved automatic shutoff feature
12/28/1999US6008710 Magnetic inductor water conditioner
12/28/1999US6007727 Providing an acidic aqueous trialkylamine salt solution by-product of said process, adjusting the ph by adding a base to ph 8 or higher to free trialkylamine from the salt, interacting the freed trialkylamine with hydrogen peroxide
12/28/1999US6007726 Stable oxidizing bromine formulations, methods of manufacture thereof and methods of use for microbiofouling control
12/28/1999US6007719 For treatment of high concentrated waste water from animal husbandry, human excretion and other high organic waste; process includes warming, anaerobic digestion, separation with ultrafiltration reversed osmosis membranes
12/28/1999US6007715 Two magnetically conductive, u-shaped shells connected together, two magnets mounted in the shells between walls, two pairs of aluminum packing strips mounted around magnets; for use in motor vehicle to magnetize fuel oil for combustion
12/28/1999US6007696 Apparatus and method for manufacturing electrolytic ionic water and washing method using electroyltic ionic water
12/28/1999US6007693 Spa halogen generator and method of operating
12/28/1999US6007686 System for elctrolyzing fluids for use as antimicrobial agents
12/28/1999US6006387 Reducing microbial content on dyed textiles
12/28/1999CA2089961C Disinfector and process for disinfecting water
12/28/1999CA2005680C High performance polymer flocculating agents