Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/2003
05/07/2003EP0946268B1 Method and apparatus for high efficiency reverse osmosis operation
05/07/2003EP0874783B1 Controlling biofouling using n-alkyl heterocyclic compounds
05/07/2003EP0873186B1 Sorbents comprising sphagnum
05/07/2003EP0649385B1 Manufacture of methanol for abating of greenhouse gases
05/07/2003CN2549000Y Permanent-magnet magnetizing descaler
05/07/2003CN2548999Y Water storage style anionic water purifier
05/07/2003CN2548998Y Combined interaction rearrangement water purifier
05/07/2003CN2548997Y Continuous high-speed ion exchanger with double towers and double valves
05/07/2003CN2548996Y Ultraviolet sterilizer for drinker
05/07/2003CN2548995Y Precisive leakageproof water purifier gallb ladder
05/07/2003CN2548994Y Enamel steel assembled tank for sewage treatment
05/07/2003CN1416408A Method and appts. for reducing excessive mud
05/07/2003CN1416406A Method and device for effluent treatment
05/07/2003CN1415559A Preliminary sedimentation procedure for drinking natural mineral water
05/07/2003CN1415558A Clarification system through continuous microstraining intermdeiate water
05/07/2003CN1415557A Fluidzed equipment for treating with water by using photocatalysis and oxidation
05/07/2003CN1415556A Seawater desalination equipment with solar energy being utilized
05/07/2003CN1415555A Evaporation auxiliary agent utilized in concentrating saponified waste water of cycohexanone and its preparation method
05/07/2003CN1415554A Evaporation method utilized to concentrate saponified wastewater of cycohexanone
05/07/2003CN1415553A Device for regulating and controlling global parameters of water-vapor linkage of distilled water machine
05/07/2003CN1415552A Seawater desalination equipment
05/07/2003CN1415549A Microballoons with large ball diameter of nano crystal grain Ti02 and preparing method as well as its application
05/07/2003CN1415537A Adulterated hydroxyapatite and its production method
05/07/2003CN1107655C Coating layer compsn. for enhancing bioremediation
05/07/2003CN1107654C Mineral water and its prodn. method
05/07/2003CN1107653C High oxygen drinking water device
05/07/2003CN1107652C Electrochemical device for purifying water
05/07/2003CN1107651C Method and equipment for treating industrial raw water by using deaerization softening process
05/07/2003CN1107650C Light catalytic treatment reactor for organic waste water
05/07/2003CN1107649C Extraction and displacement process for treating waste liquid of acetochlor
05/07/2003CN1107648C Method for treating benzene extraction waste liquor in prodn. of caprolactam
05/06/2003US6560543 Method for monitoring a public water treatment system
05/06/2003US6559220 Overspray of water soluble base coats and additional binders, pigments, organic solvents and additives; automobile bodies
05/06/2003US6559135 Per-(3-6-anhydro)cyclodextrins derivatives, preparation and use thereof for separating ions
05/06/2003US6558643 Method for ammonia removal from waste streams
05/06/2003US6558638 Used in decontaminating water and other liquids
05/06/2003US6558556 Iron-catalysed oxidation of manganese and other inorganic species in aqueous solutions
05/06/2003US6558553 Insulated magnetite core coated with a layer of photoactive titanium dioxide; detoxification of wastewater effluents from industrial or domestic sources
05/06/2003US6558550 Grease trap waste; converted into biosolids (sludge) and water dischargeable to the environment; screening, grinding, pasteurizing, alkaline compound aids in dewatering, filter press, CO2 to precipitate out calcium, clarification
05/06/2003US6558547 Carrier is an organic ion-exchanger having a porous structure in the air-dry state
05/06/2003US6558542 Water filter
05/06/2003US6558538 An antimicrobial compound is positioned in the trap of a drainage system, the device carrying the antimicrobial compound is removable from the drainage system once antimicrobial compoumd has been dispensed
05/06/2003US6558537 Portable hydration system
05/06/2003US6558527 Electrolyzed the water by a direct voltage applied between anode and cathode plates to form hydrogen bubbles which adhere to the metal hydroxide and float or settle; oil in water emulsions as cutting oils; cleaning; decontamination; reuse
05/06/2003US6558452 Method for obtaining ammonia from waste water containing NH3 and acid gases
05/06/2003US6557633 In-well contaminant stripper
05/06/2003CA2271595C Modular home dialysis system
05/02/2003EP1306883A1 Treating apparatus utilizing ultraviolet ray
05/02/2003EP1306402A1 Immobilised polyphenols such as tannin, intermediates for their production and processes for obtaining the same
05/02/2003EP1306020A1 Method of reduction of aroma extract and resulting extract
05/02/2003EP1305454A1 Process and method for recovery of halogens
05/02/2003EP1305261A1 Method for floatation separation of a liquid, from particles suspended therein
05/02/2003EP1305106A1 Multi-stage filtration and softening module and reduced scaling operation
05/02/2003EP1177025A4 Improved water purification pack
05/02/2003EP1128730B1 Antimicrobial composition comprising an oxidoreductase and an enhancing agent of the n-hydroxyanilide-type
05/02/2003EP1107933B1 Method for processing aqueous liquids containing cyanide
05/02/2003EP1015389B1 Oxygenated water cooler
05/01/2003WO2003036013A2 Method of and equipment for the rehabilitation of water wells
05/01/2003WO2003035723A1 Complexating systems, intermediates for their production and method for obtaining and using the same
05/01/2003WO2003035561A2 Sustainable process for the treatment and detoxification of liquid waste
05/01/2003WO2003035560A1 Device for treatment of wastewater
05/01/2003WO2003035557A1 Purification of phosphoric acid plant pond water
05/01/2003WO2003035556A1 Electrolytic catalytic oxidation system
05/01/2003WO2003035555A1 An ultra-efficient vaporizer for desalinating seawater instantaneously by high-pressured gas
05/01/2003WO2003035553A2 A process for the microbiological decontamination of water by means of photosensitive agents
05/01/2003WO2003035287A1 Distillation apparatus
05/01/2003WO2003035234A1 Filtration system having hydrophilic capillary membranes
05/01/2003WO2003035212A1 Filter cartridge with divided filter bed for gravity-flow use
05/01/2003WO2003035145A1 Method and device for treating aqueous liquids in human medical treatment
05/01/2003WO2003034817A1 Process and means for the treatment of water in an aquaculture system
05/01/2003WO2003022751B1 Method of multi-stage reverse osmosis treatment
05/01/2003WO2002042500A3 Apparatus and method for electrophoretic microspot concentration
05/01/2003US20030083456 Polydithiocarbamate resin
05/01/2003US20030083380 Comprises 2-ketoethanoic acid for cosmetic conditions and dermatologic disorders
05/01/2003US20030083204 Using a well treating fluid comprised of water and a water soluble polymer complex fluid loss control additive, such as a copolymer of acrylamido-2-methylpropane sulfonic acid formed in the presence of an ethoxylated hydroxyethyl cellulose
05/01/2003US20030083195 To dehalogenate halogenated hydrocarbons, where an electroconductive inorganic compound is present on the surface of the iron powder; increases reducing action of iron powder; avoids problem of secondary pollution
05/01/2003US20030082084 Methods for removing heavy metals from water using chemical precipitation and field separation methods
05/01/2003US20030082072 Comprises ultraviolet radiation; for use on containers, packing materials, and conveying tools
05/01/2003US20030080467 Microorganism control of point of use potable water sources
05/01/2003US20030080443 Hollow fiber carbonation
05/01/2003US20030080115 Electromagnetic water heater
05/01/2003US20030080071 Fluid treatment system
05/01/2003US20030080069 Method and apparatus for purifying water
05/01/2003US20030080068 For treating an oxygen containing gas (generally air) and/or water in an appliance such as a refrigerator washing machine, dryer or dishwasher with ozone so as to disinfect the water
05/01/2003US20030080067 Purification of phosphoric acid plant pond water
05/01/2003US20030080066 Treating brine with the calcium chloride to produce granular calcium sulphate through seeding; separating calcium sulphate; evaporating desulphated brine to crystallize salt; washing with water; evaporating bittern to crystallize carnallite
05/01/2003US20030080065 Method for perchlorate removal from ground water
05/01/2003US20030080064 Waste liquid processing method and waste liquid processing apparatus using the same
05/01/2003US20030080053 Method for treating waste-activated sludge using elecroporation
05/01/2003US20030080052 System and method for the treatment of soot-laden water
05/01/2003US20030080037 System and apparatus for accelerating mass transfer of a gas into a liquid
05/01/2003US20030080034 Systems and methods with treated water
05/01/2003US20030079998 Automatic removal of mineral deposits from liquid
05/01/2003US20030079993 For producing deionized water
05/01/2003US20030079992 Electrodeionization apparatus with expanded conductive mesh electrode and method
05/01/2003US20030079981 Apparatus and method for distilling waste liquids
05/01/2003CA2464632A1 A process for the microbiological decontamination of water by means of photosensitive agents
05/01/2003CA2463467A1 Cell separation matrix
05/01/2003CA2463361A1 Purification of phosphoric acid plant pond water
05/01/2003CA2463211A1 Distillation apparatus
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