Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/2000
05/23/2000US6066239 Separation of impurities from drinking water by distillation.
05/23/2000US6065690 Tension actuated submerged liquid dispenser
05/23/2000CA2290124A1 Mobile apparatus for water purification
05/23/2000CA2253771A1 The portable liquid filter
05/23/2000CA2172711C Bottle water disinfection system
05/23/2000CA2132285C Photofinishing effluent purifying process and apparatus
05/18/2000WO2000028553A2 Method for disposing of metal cations
05/18/2000WO2000028214A1 Peristaltic fluid pumping and/or separation apparatus
05/18/2000WO2000028111A1 A method of preventing adherence and growth of organic objects on a body in aquatic environments
05/18/2000WO2000028043A2 Polypeptides having lactonohydrolase activity and nucleic acids encoding same
05/18/2000WO2000027896A1 Modified polystyrene spherical resin and process for decontaminating waste water by using the same
05/18/2000WO2000027762A1 In-transit water treatment system
05/18/2000WO2000027761A1 Domestic method and apparatus for dispensing purified water
05/18/2000WO2000027760A2 Pressure swing contactor for the treatment of a liquid with a gas
05/18/2000WO2000027759A2 Process and composition for water recycle
05/18/2000WO2000027758A1 Dimensionally stable electrode for treating hard-resoluble waste water
05/18/2000WO2000027757A1 Electrochemical treatment system for hard-resoluble waste water
05/18/2000WO2000027756A1 Water treating method
05/18/2000WO2000027755A1 A composition for purification treatment of waste water, and a method for preparation thereof
05/18/2000WO2000027522A1 Passive resonator device
05/18/2000WO2000027510A1 Method for filtration with membrane
05/18/2000WO2000027494A1 Method and device for treating water for evaporation
05/18/2000WO2000027204A1 Antimicrobial composition comprising an oxidoreductase and an enhancing agent of the n-hydroxyanilide-type
05/18/2000WO2000009240A3 Filter bottle
05/18/2000WO2000007699A3 Method and device for removing nitrogen oxides from exhaust gases
05/18/2000DE19852206A1 Water filter for petrol stations and vehicle maintenance has high separation performance and is of simple construction
05/18/2000DE19852204A1 Separation tank inlet for mixture of light and heavy fluids minimizes turbulent inlet flow and maximizes separation performance
05/18/2000DE19817092A1 Removal of undesirable metal ions in ion exchanger regeneration streams with separate ion exchangers.
05/18/2000CA2350206A1 Method for disposing of metal cations
05/17/2000EP1001208A2 Water-distribution piping of gas-dissolved cleaning water
05/17/2000EP1000904A2 Method for recovering phosphate from sludge and system therefor
05/17/2000EP1000903A2 Process for the removal of heavy metals from aqueous streams and system therefor
05/17/2000EP1000649A1 Water circuit with filtering step
05/17/2000EP1000554A1 Integrated modular design of a pulsed electrical field treatment chamber
05/17/2000EP0999996A1 Solar-powered water desalinisation plant
05/17/2000EP0999995A1 Flow-through beaker which can be filled with a granulate
05/17/2000EP0999994A1 A method to remove biguanide from an aqueous source
05/17/2000EP0999887A1 Adsorption or desorption of dissolved constituents in liquids and apparatus therefor
05/17/2000EP0999746A1 Methods and compositions for controlling biofouling using sulfamic acids
05/17/2000EP0950025A4 Water treatment and purification
05/17/2000EP0843650B1 Biofouling reduction
05/17/2000EP0819448B1 Process for the reduction of chlorofluorocarbons and production of derivatives thereof in an electrolytic cell, cell for carrying out said reduction and process for removing the by-products formed within the cell
05/17/2000EP0632746B1 Electrolytic cell for generating sterilization solutions having increased ozone content
05/17/2000CN2378389Y Magnetic water quality processor for washing machine
05/17/2000CN2378388Y Internal magnetic processing machine
05/17/2000CN2378387Y Membrane filtering drainer
05/17/2000CN2378386Y Two-stage antipermeating water purifier
05/17/2000CN2378385Y Seawater desalination cleaning device
05/17/2000CN2378384Y Vacuum tube solar energy seawater desalting device
05/17/2000CN2378383Y Dismountable water-feeding base
05/17/2000CN1253535A Removal of hydrocarbons, mercury and arsenic from oil-field produced water
05/17/2000CN1252935A Process for preparing concentrated natural super seawater from bittern
05/16/2000US6064560 Active carbon and process for its production
05/16/2000US6063343 Apparatus for photocatalytic fluid purification
05/16/2000US6063295 Apparatus and method to increase oxygen levels in livestock drinking water
05/16/2000US6063291 Dewatering of aqueous suspensions
05/16/2000US6063287 Deodorizing water/algae mixture with cyclodextrin to absorb odor
05/16/2000US6063286 Demetallization of polymers with carbon disulfide or formaldehyde and nucleophilic agents
05/16/2000US6063281 Extraction of organic compounds from surfactants-containing aqueous solutions
05/16/2000US6063279 Pollution apparatus for water purification
05/16/2000US6063273 Culture for purification of water, aerobic sludge blanket and reactor
05/16/2000US6063272 Apparatus and method of regenerating an activated carbon filter
05/16/2000US6063267 Apparatus for treating flowing liquid with electromagnetic flux
05/16/2000CA2143984C Filter system
05/11/2000WO2000026594A1 Ozonization system
05/11/2000WO2000026466A1 Vegetable-material based preparations for reducing and/or preventing slime and encrustation closed aqueous or water-carrying systems
05/11/2000WO2000026162A1 Treatment of fluids with electromagnetic radiation
05/11/2000WO2000026147A1 Method for purifying and softening water
05/11/2000WO2000026146A1 New algaecides
05/11/2000WO2000026145A1 Clarifier and water purification and clarification plant
05/11/2000WO2000026144A1 Radiation source module and cleaning apparatus therefor
05/11/2000WO2000026143A1 Separation system for immiscible liquids with remote monitoring and control
05/11/2000WO2000026140A1 Method for making an aqueous sodium chloride solution
05/11/2000WO2000025947A1 Process for removing contaminants from water
05/11/2000WO2000025913A1 Carbon type catalyst or carbon type additive for use in super-critical hydrothermal oxidation and sub-critical hydrothermal oxidation
05/11/2000WO2000025903A1 Pressure assisted electrodialysis
05/11/2000WO2000025887A1 Water treatment device with liquid level control
05/11/2000WO2000025644A1 Drip-type coffee-maker comprising a water treatment device
05/11/2000WO2000007940A3 Method and device for separating biomass from water
05/11/2000DE19851757A1 Process and apparatus for sterilizing drinking and industrial water filters containing activated carbon by continuous addition of hydrogen peroxide to the water
05/11/2000DE19851359A1 Industrial process water subjected to compression and expansion in a series of chambers extending water service life prior to disposal
05/11/2000DE19851345A1 Decontamination of water, sewage, soil, sediment and slurry, giving phosphate useful as fertilizer
05/11/2000CA2348671A1 Drip-type coffee-maker comprising a water treatment device
05/11/2000CA2289829A1 Integrated modular design of a pulsed electrical field treatment chamber
05/10/2000EP0999186A2 Process for the purification and treatment of liquids resulting from the cleaning of tank and silo road vehicles, railway tank wagons and tankers
05/10/2000EP0998971A2 Process for treating aqueous solutions containing bases and organic acids
05/10/2000EP0998429A1 Coagulator
05/10/2000EP0998348A1 Method for continuously processing organic substances using microwaves
05/10/2000EP0956751A4 Method for cleaning surfaces contaminated by crude oil or petroleum product spills, sorbant for cleaning surfaces and method for producing the same
05/10/2000EP0937193A4 Method of remediation of contaminants in porous media through minimization of buoyancy effects
05/10/2000CN2377249Y High oxidation potential sterilized water producer
05/10/2000CN2377248Y Portable water purifying device
05/10/2000CN2377247Y Apparatus for treatment of high concentration sewage and recovery of material from it
05/10/2000CN1252777A Filter cartridge for gravity-fed water treatment device
05/10/2000CN1252776A Process for recovering oils
05/10/2000CN1252738A Modular filtration systems and methods
05/10/2000CN1252384A Use of high basicity polyaluminum sulfate chlorido-alkili metal and earth alkili metal chloride adduct
05/10/2000CN1052285C Apparatus for removing of objects separated by grate from large amount of water
05/10/2000CN1052259C Method for producing 'Lanmai' beer
05/10/2000CN1052212C Supersonic magnetizing water treating apparatus