Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
02/2000
02/23/2000CN2365195Y Efficient energy-saving high purity distilled water machine
02/23/2000CN1245150A Household water-purifying machine
02/23/2000CN1245149A Process for preparing filtered water
02/23/2000CN1245148A Technique for treating sewage by electric dialysis with fast-conductor membrane of biological ions
02/23/2000CN1245147A Photocatalytic reaction system for treating waste water
02/23/2000CN1245146A Process for treating waste water
02/23/2000CN1245080A Process for decomposing halogen ester group hydrocarbon compound or aromatic compound and device thereof and process for purifying waste gas and device for this method
02/23/2000CN1049640C Auto-controller for dewatering sludge
02/23/2000CN1049639C Method for treating heavy metal containing waste water by utilization of acorn
02/23/2000CN1049569C Mineral and Wolfberry fruit nectar
02/23/2000CN1049565C Recovering utilization for orthophosphate waste
02/22/2000US6028316 Method and apparatus for removal of material utilizing near-blackbody radiator means
02/22/2000US6027701 Ozone generator
02/22/2000US6027700 Ozone production facilities and method of their operation
02/22/2000US6027654 Dispersing solid particles of semiconductor metal oxide, condensation water containing tetrahydrothiophene impurity, supplying oxygen or air to the dispersion, radiating the dispersion with ultraviolet light
02/22/2000US6027653 The organic compounds and some metals are absorbed from the contaminated fluid column as it passes through a stratified arrangement of packaged organic solidifying polymer in a container
02/22/2000US6027652 Process for sorbing liquids using tropical fibers
02/22/2000US6027649 Controlling the ph of the water from 5 to 8; adding a coagulant to provide a floc for adsorbing the impurities, removing the first portion of treated water and floc, second portion is removed using semipermeable membrane
02/22/2000US6027644 Dripless purification manifold and cartridge
02/22/2000US6027642 Mobile portable water disinfection/filtration and hazardous chemical oxidizing system
02/22/2000US6027639 Self-cleaning siphon-actuated radial flow filter basket
02/22/2000US6027607 Portion of brine is heated outside the evaporation basin and is returned to the basin; a control unit measures and evaluates climatic values and sprays a portion of the heated brin on the evaporation basin based on the values
02/22/2000US6026527 Gelatinous cushions with buckling columns
02/22/2000CA2157680C Micro-filter disc and a method for its production
02/22/2000CA2006957C Recovery of plant extractives
02/20/2000CA2280554A1 Removal of heavy metals from aqueous solutions using sodium di-(n-octyl) phosphinate
02/20/2000CA2245432A1 Removal of heavy metals from aqueous solutions using sodium di-(n-octyl) phosphinate
02/17/2000WO2000007945A1 Method for processing mineralised water
02/17/2000WO2000007944A1 In situ treatment for contaminated surface waters and products therefor
02/17/2000WO2000007943A1 Process for destroying contaminants in contaminant-containing aqueous streams and catalysts used therefor
02/17/2000WO2000007942A1 Iron-catalysed oxidation of manganese and other inorganic species in aqueous solutions
02/17/2000WO2000007941A1 Liquid treatment by cavitation
02/17/2000WO2000007940A2 Method and device for separating biomass from water
02/17/2000WO2000007700A1 Method for reducing scaling in electrodeionization systems
02/17/2000WO2000007699A2 Method and device for removing nitrogen oxides from exhaust gases
02/17/2000DE19837018A1 Skimmer moves sludge onto flip tray for efficient side-removal from the surface of a basin in which sludge generated by various processes
02/17/2000DE19836518A1 Water ozone treatment for car wash effluent facilitates water re-use for vehicle washing in a closed circuit system
02/17/2000DE19835458A1 Verfahren und Vorrichtung zur Reinigung von Regen- und/oder Mischwasser Method and apparatus for the purification of rain and / or mixing water
02/17/2000DE19834993A1 Verfahren und Einrichtung zum Beseitigen von Stickoxiden aus einem Abgas Method and device for removing nitrogen oxides from an exhaust gas
02/17/2000DE19834945A1 Continuous biological purification and re-use of waste water containing surfactant, e.g. from laundry, involves adsorbing impurities and regenerating adsorbent suspension in bioreactor
02/17/2000DE19831768A1 Vorrichtung zur Bestrahlung einer Flüssigkeit Apparatus for irradiating a liquid
02/17/2000CA2339124A1 Iron-catalysed oxidation of manganese and other inorganic species in aqueous solutions
02/16/2000EP0979802A1 Process for recovering oils
02/16/2000EP0979801A1 Sea water desalination system by condensing air moisture
02/16/2000EP0979215A1 Dewatering of sewage sludge
02/16/2000EP0979213A1 Process for purifying water
02/16/2000EP0979212A1 Product for bactericidal treatment of fluids
02/16/2000EP0979211A1 Method and device for treating wastewaters from a chemical-mechanical polishing process in chip manufacturing
02/16/2000EP0979143A1 Biosorption agents for metal ions and method for the production thereof
02/16/2000CN2364277Y Ceramic lining stop cock
02/16/2000CN2364084Y Fastening type water filtering cap
02/16/2000CN2364032Y Multistage water treatment machine
02/16/2000CN2364031Y Oxygen-enriched water machine
02/16/2000CN2364030Y 医用液体磁化装置 Magnetized liquid medical devices
02/16/2000CN2364029Y Mignetizer
02/16/2000CN2364028Y Spectral water producer
02/16/2000CN2364027Y High gradient electromagnetic water purifier
02/16/2000CN2364026Y Middle pressure type filtering tank for treatment of sewage
02/16/2000CN2364025Y Multistage anionic resin and cation resin desalting device
02/16/2000CN2364024Y Drinking water purifying device for removal of ammonia nitrogen
02/16/2000CN2364023Y Mineral water pot
02/16/2000CN2364022Y Treatment machine for removal of water from oil liquid and purifying oil liquid
02/16/2000CN2363771Y High-efficiency sewage purifier
02/16/2000CN1244501A Treating apparatus for waste water containing fluoride and its method
02/16/2000CN1244500A Extraction process to separate organic matter from inorganic salt
02/16/2000CN1244499A Technology of treating waste water from fish powder production
02/16/2000CN1244498A Atmospheric water-making machine
02/16/2000CN1049409C Synchronous intensified jet method of biological dephenolized mud mixed nutrient sewage
02/16/2000CN1049365C Bell pulse settling pond
02/15/2000US6025432 High standard viscosity quaternary mannich microemulsions
02/15/2000US6025426 Copolymerizing acrylamide and methyl chloride quaternary compound in salt solution
02/15/2000US6024882 Process and apparatus for water decontamination
02/15/2000US6024881 Magnetic absorption treatment of fluid phases
02/15/2000US6024879 Separating water from at least one organic substance, particularly olfactory pollutants such as geosmine and 2-methyl-isoborneol
02/15/2000US6024875 Method for controlling the oxygen content of the water at the outlet of a unit for dissolving oxygen in water, and unit for implementing the method
02/15/2000US6024870 Sewage filtration system
02/15/2000US6024867 Counter top water filter with replaceable electronic display monitor
02/15/2000US6024860 Electrochemical decomposition of sodium azide in aqueous alkaline solutions form sodium hydroxide, ammonia, nitrogen, and oxygen
02/15/2000US6024850 Membranes or particles with permanently attached counter ions acting as semiconductor junctions
02/15/2000CA2178434C Skimmer/coalescer system for removing and separating tramp oil from an aqueous coolant
02/10/2000WO2000007192A2 Method and device for separating a neutron absorber from a cooling medium
02/10/2000WO2000006887A1 Magnetic processor
02/10/2000WO2000006584A1 Process for producing halogen-containing phosphate ester
02/10/2000WO2000006505A1 Composition for use in a water reservoir
02/10/2000WO2000006503A1 Method for reducing nitrate and/or nitric acid concentration in an aqueous solution
02/10/2000WO2000006502A1 Process for removal and stabilization of arsenic and selenium from aqueous streams and slurries
02/10/2000WO2000006501A1 Device and preparation for the treatment of tap water and drinking water
02/10/2000WO2000006500A1 Method and device for membrane filtering of water
02/10/2000WO2000006499A1 Point-of-use water treatment system
02/10/2000WO2000006498A1 Method and device for processing aqueous liquids containing cyanide
02/10/2000WO2000006497A1 Method and installation for treating water
02/10/2000WO2000006313A1 New products and methods using foundry dust
02/10/2000WO2000005969A1 Environmentally compatible processes compositions and materials treated thereby
02/10/2000WO1999048817A3 Water sanitizing system
02/10/2000DE19835464A1 Drinking water filtration and desalination plant operated by absorption and sea water to cool condenser
02/10/2000DE19835256A1 Verfahren und Vorrichtung zur Trennung von Biomasse und Wasser Method and apparatus for separation of biomass and water
02/10/2000DE19835188A1 Waste water treatment floatation basin and mixer has variable-control mixer for adaptation to nature and rate of incoming water effluent
02/10/2000DE19834965A1 Solar panel made of black granite block for sea water desalination plant has long service life and very high resistance to corrosion
02/10/2000CA2338819A1 Composition for use in a water reservoir
02/10/2000CA2338718A1 Environmentally compatible processes compositions and materials treated thereby