Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
09/2000
09/13/2000EP1034141A1 Monitoring of the continuous addition of a liquid agent to water
09/13/2000EP1034140A1 Removal of pollutants from effluents with electrochemical treatment
09/13/2000EP1034139A1 A method and device for purifying water using a membrane filtration unit and drinking water thus obtained
09/13/2000EP1034138A1 Apparatus and method for the purification of water
09/13/2000EP1034037A1 Method for optimising the operating cycle of a water treatment unit
09/13/2000EP1034033A1 Compositions and methods for the remediation of chemical contamination in subsurface water bearing geological formations
09/13/2000EP1034027A1 Method and device for water delsalinization
09/13/2000EP0828779B1 Water-soluble polymers and compositions thereof
09/13/2000CN2396035Y Fast water treating equipment for ozone generator
09/13/2000CN2396034Y High-efficient sterilizing water quality freshness-keeping equipment
09/13/2000CN2396033Y Full-automatic medicinal liquor preparing equipment of solid powder medicine and water
09/13/2000CN2396032Y Water magnetizing purifier
09/13/2000CN2396031Y Apparatus for producing sterilizing water
09/13/2000CN2396030Y Machine for desalination of sea water
09/13/2000CN2396029Y Multifunctional tap water purifier
09/13/2000CN2396026Y Generator for chlorine dioxide disinfectant
09/13/2000CN1266379A Oxygenating apparatus, method for oxygenating a liquid therewith, and applications thereof
09/13/2000CN1266049A Process for treating waste liquid after recovering cobalt and manganese in process of producing terephthalic acid
09/13/2000CN1266025A Waste water photosynthetic irrigation method
09/13/2000CN1266024A Solidifed water and making method
09/13/2000CN1266023A Method for treating domestic sewage
09/12/2000US6117938 Polymer blends for dewatering
09/12/2000US6117401 Chemical reactor efficiency per single pass improved by increasing desired turbulence of process media within reaction zone and concentrating electrical optical field lines by use of flow-field constrictor located inside reactor
09/12/2000US6117337 Catalyzing the water or air purification including a metal catalyst disposed in the catalyst substrate with ultraviolet illumination and an efficient oxidant
09/12/2000US6117335 A high speed water sterilization by using a flashlamp type broadband radiator which generates pulses of deep uv-peaked radiant energy
09/12/2000US6117334 Decontamination reactor system and method of using same
09/12/2000US6117333 Removal of hydrocarbons, mercury and arsenic from oil-field produced water
09/12/2000US6117332 Method for using a center core cartridge feeder insert
09/12/2000US6117331 A water treatment of industrial waste waters or process waters with at least one absorber resins
09/12/2000US6117328 For pervaporation of volatile organic compounds from contaminated water comprising a nonporous membrane filled with hydrophobic adsorbent which preferentially adsorbs volatile organic compounds to be removed from contaminated water
09/12/2000US6117324 Flushing animal waste from animal confinement area to treatment chamber, said waste being flushed with water forming waste solution, contacting animal waste solution with gas comprising ozone, separating solids, feeding waste to biobasin
09/12/2000US6117319 Fluid dispensing systems
09/12/2000US6117316 Apparatus for treating water
09/12/2000US6117314 Apparatus for removing metal compounds from waste material
09/12/2000US6117285 System for carrying out sterilization of equipment
09/12/2000US6116816 In situ reactive gate for groundwater remediation
09/12/2000US6116254 Cleaning method and system of semiconductor substrate and production method of cleaning solution
09/12/2000US6115862 Cold water ozone disinfection
09/12/2000CA2161416C Improved sorbent system
09/12/2000CA2126254C Process for treatment of a fluid and apparatus therefor
09/08/2000WO2000052272A1 Water treatment system and method using permeable embankments, weirs, walls or the like
09/08/2000WO2000052252A1 Fiber capable of forming metal chelate, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber
09/08/2000WO2000052122A1 Detergent compositions comprising photobleaching delivery systems
09/08/2000WO2000052101A1 A composition comprising a photo-oxidising agent and uses of the agent
09/08/2000WO2000052004A1 Thiacrown polymers for removal of mercury from waste streams
09/08/2000WO2000051944A1 Apparatus and method for the production of disinfectant
09/08/2000WO2000051943A1 Radiation source module and cleaning apparatus therefor
09/08/2000WO2000051942A1 Air and water purification using continuous breakpoint halogenation
09/08/2000WO2000051753A1 Semiconductor wafer treatment
09/08/2000WO2000051705A1 Methods and devices for preparing hemodialysis solutions
09/08/2000WO2000051704A1 Apparatus and method for preparation of a peritoneal dialysis solution
09/08/2000WO2000051701A2 Improved water purification pack
09/08/2000WO2000020338A3 Methods for controlling macroinvertebrates in aqueous systems
09/08/2000WO2000000433A3 Electrochemical treatment of water and aqueous salt solutions
09/08/2000CA2300513A1 Process and catalyst for photocatalytic conversion of contaminants
09/07/2000DE19911443A1 Purification of domestic drinking water by the combined application of ultraviolet radiation and ozone
09/07/2000DE19909930A1 Herstellung von tubulären PEM-Brennstoffzellen und Ionentauschermembranen Manufacture of tubular PEM fuel cell and ion exchange membranes
09/07/2000DE19909160A1 Treatment of sludge dredged from harbors with water containing dissolved ozone
09/07/2000DE19908912A1 Water aerator made of elastic material that can be withdrawn through its retainers to allow replacement in full tank
09/06/2000EP1033349A1 Composition for waste water treatment
09/06/2000EP1033162A1 Composite hollow fiber membrane
09/06/2000EP1032473A1 Device and method for separating a heterogeneous mixture
09/06/2000CN2394959Y Full automatic water purifying and supply device from well
09/06/2000CN2394902Y Ozone sterilized active carbon water purifier
09/06/2000CN2394901Y Methyl alcohol containing combustable waste water burner
09/06/2000CN2394900Y Electronic water processor
09/06/2000CN2394899Y Micro bubble releasing device for air float water purifier
09/06/2000CN2394898Y Ozone active and carbon joint used water purifier
09/06/2000CN2394705Y Assembled screw rolling electric salt remover
09/06/2000CN2394544Y Ozone sterilizing drinking machine
09/06/2000CN1265636A Method for inhibiting biogenic sulfide generation
09/06/2000CN1265561A AntimicroBial composition containing a haloperoxidase, a hydrogen peroxide cource, a halide source and an ammonium source
09/06/2000CN1265378A Paper-making waste water treating agent and treating process
09/06/2000CN1265377A Sewage treating equipment
09/06/2000CN1265376A Treatment of 2,3-acid producing waste water and resource recovering and utilizing method
09/06/2000CN1056174C Method for recovery of wool grease by flocculating salting out-extracting
09/06/2000CN1056126C Treatment of highly colored wastewater
09/05/2000US6113853 Increasing the electric coductivity of water by adding halide electrolytes to the water and creating hypohalogenous acid by electrolyzing the water using an anode plate and a cathode.
09/05/2000US6113804 Composition and use of the composition for the extraction of metals from aqueous solution
09/05/2000US6113797 Pretreatment to remove suspended materials, adding acid and antiscaling agent, then pressurized passage through reverse osmosis membrane, mixing water having osmosis concentrated impurities with purified water and repeating reverse osmosis
09/05/2000US6113792 Method for removing contaminants from water using membrane filtration in combination with particle adsorption to reduce fouling
09/05/2000US6113790 Mixing aqueous waste stream with base and alkylphenol solvent yields raffinate and extract containing organic impurities, separation by distillation and incineration of impurities
09/05/2000US6113789 Anaerobic digestion of an organic substrate to form sludge, separating the solids, then recycling some of sludge for steam injection and pasteurization, more digestion to destroy disease causing pathogens
09/05/2000US6113787 Process and device for treatment of water from a biodegradeable process
09/05/2000US6113786 Anaerobic treatment process with removal of inorganic material
09/05/2000US6113779 Chamber containing spaced apart ion-producing electrodes (plasma-fused iridium coated titanium and/or copper, zinc, aluminum alloy) arranged so that incoming water will flow around electrodes
09/05/2000US6113773 Generating hydrogen peroxide as antifoulant
09/05/2000US6113744 Water distillation apparatus
09/05/2000US6112675 Process and apparatus for treating process streams from a system for separating constituents from contaminated material
09/05/2000CA2166083C Production of polysulphide by electolysis of white liquor containing sulphide
09/05/2000CA2084821C Ground contamination remediation process and apparatus
09/05/2000CA2016206C Catalyst comprising nickel or cobalt oxides and a calcium aluminate cement
09/04/2000CA2265235A1 Multimedia backwashable filtration system
08/2000
08/31/2000WO2000050346A1 Water purification
08/31/2000WO2000050345A2 Mineral oxide liquid concentrates for water and wastewater treatment
08/31/2000WO2000050344A1 Method, apparatus, and agent for removing contaminants from wastewater
08/31/2000WO2000050343A2 Treatment of solutions comprising metals, phosphorous and heavy metals obtained from dissolution of combusted waste materials in order to recover metals and phosphorous
08/31/2000WO2000050167A1 A novel agropolymer used for purification of polluted water or contaminated water containing metal or ions and a method of producing the agropolymer
08/31/2000WO2000049874A1 Composition for generating chlorine dioxide
08/31/2000WO2000027760A3 Pressure swing contactor for the treatment of a liquid with a gas