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)
03/2003
03/26/2003CN1406330A Heat temperature raising system
03/26/2003CN1406212A Apparatus for manufacturing sterilizing water
03/26/2003CN1406211A Method and apparatus for low cost water disinfection
03/26/2003CN1406142A Dental equipment and method of operating such equipment
03/26/2003CN1405514A System for carrying out three combined supply using sewage
03/26/2003CN1405228A Synergistic resin composition and its application in the process of producing high-pure water
03/26/2003CN1405122A Water-cleaning ceramic ring and its production method
03/26/2003CN1405100A Water-treatment agent for steam-boiler device
03/26/2003CN1405095A Water-softening apparatus and regeneration control method
03/26/2003CN1405094A Anionic capture agent and its preparation and using method
03/26/2003CN1404789A Integrated purifying drinking machine
03/26/2003CN1404733A Mixed-powder type chloro-calcium hyperoxide water-purifying sterilizing agent
03/26/2003CN1103749C Treatment of effluent streams containing organic acids
03/26/2003CN1103748C Oxygen scavenger
03/26/2003CN1103746C Ozone deodorizer
03/26/2003CN1103745C Process for removing unwanted material from water, sand and/or rock
03/26/2003CN1103744C Method of purifying water and apparatus therefor
03/26/2003CN1103743C Water treatment method and apparatus for treating waste water by using ion exchange resin
03/26/2003CN1103613C Waste liquid treatment
03/25/2003US6538170 Comprising treatment tank containing pollutants degradable with light irradiation in presence of chlorine extracted as gas mixture; aspirating, mixing, exhaust means of treated gas from apparatus; polluted gas-purification
03/25/2003US6537939 Porous grog composition, water purification device containing the porous grog and method for making same
03/25/2003US6537464 Mid-basicity aluminum compounds and methods of making
03/25/2003US6537457 Method for treating circulating water from an enamelling line
03/25/2003US6537456 Method and apparatus for high efficiency reverse osmosis operation
03/25/2003US6537455 Elongated hand-held shower head and filter
03/25/2003US6537436 System for electrodialysis treatment of liquids
03/25/2003US6536523 Water treatment process for thermal heavy oil recovery
03/25/2003CA2242010C Method for eluting antimony adsorbed on chelating resin
03/20/2003WO2003023156A1 Dual-action decontamination system
03/20/2003WO2003023089A1 Method and system for generating hypochlorite
03/20/2003WO2003022910A1 Synthesis and uses of polymer gel nanoparticle networks
03/20/2003WO2003022868A2 Metal binding proteins and associated methods
03/20/2003WO2003022753A1 Water treatment system with a mixing tube for adding chemicals, a separating chamber and an electrical separation section
03/20/2003WO2003022752A1 Biofilm reduction in crossflow filtration systems
03/20/2003WO2003022751A1 Method of multi-stage reverse osmosis treatment
03/20/2003WO2003022750A1 Water purification cartridge, water purifier, and method of cleaning water purifier
03/20/2003WO2003022749A1 Ozone/uv combination for the decomposition of endocrine substances
03/20/2003WO2003022748A1 System and method for water treatment
03/20/2003WO2003022747A1 Removal of water solubilized organics
03/20/2003WO2003022746A1 Seawater desalination system
03/20/2003WO2003022745A1 Self contained water filter having zeolites, filtration membranes and water flow rate control means
03/20/2003WO2003022744A2 In-situ process for detoxifying hexavalent chromium in soil and groundwater
03/20/2003WO2003022736A1 Water discharge in a dielectric barrier discharge system to generate an ozonated water
03/20/2003WO2003022468A1 Metal powder for decomposing organic halide and method for production thereof
03/20/2003WO2003022447A2 Sprayer and filter therefor
03/20/2003WO2003022425A1 Composite particulate article and method for preparation thereof
03/20/2003WO2003022411A1 Semipermeable composite membrane and process for producing the same
03/20/2003WO2003022397A1 Reactor and solids settler for grey water treatment
03/20/2003WO2003022396A1 Oil/water separation system
03/20/2003WO2003022394A2 Process for treating a lipophilic fluid
03/20/2003WO2003022316A1 Super-absorbing hydrogels with a specific particle size distribution
03/20/2003WO2003022041A1 An aquaculture system
03/20/2003WO2002093587A8 Method for regulating metal ion concentration by reversible activated carbon electroabsorption, cylindrical cartridge for trapping metal ions and use thereof in a nuclear plant
03/20/2003WO2002083289A9 Conrrolled realease cooling additive composition
03/20/2003WO2002018275A9 Method for pretreating water for desalination
03/20/2003WO2002016269A9 Process and apparatus for blending product liquid from different thin film composite membranes
03/20/2003US20030054934 Method and apparatus for the concentration of fluid-borne pathogens
03/20/2003US20030054207 Metal oxide films
03/20/2003US20030053931 Safe on-site generation of a gas, e.g., chlorine dioxide, by an apparatus having an envelope that contains reactant and a sachet which generates a gas in the presence of an initiating agent, e.g., water; by-product inhibition
03/20/2003US20030053927 Controlled Rellease of oxygen scavengers in cooling systems
03/20/2003US20030052277 Method of water distribution and apparatus therefor
03/20/2003US20030052068 Membrane assembly, control valves, pressure gauges, pumps, an air compressor, water tanks and pipelines connected
03/20/2003US20030052064 Disabling supply of water to a conduit and passing an ozone containing gas through
03/20/2003US20030052063 Decontamination method and apparatus
03/20/2003US20030052062 Cathode and anode reaction regions defined by a cation exchange membrane and the for-treatment water treated according to electrochemical technique is treated with hypohalogenous acid, or, ozone or active oxygen
03/20/2003US20030052061 Solids are removed from the vessel through a bottom nozzle as opposed to being skimmed off the top
03/20/2003US20030052060 Ion exchange resin is located within the regeneration tank for exchanging hardness ions in hard water with sodium or potassium ions
03/20/2003US20030052059 Adding anionic or nonionic surfactant to a biological waste treatment system
03/20/2003US20030052058 Suspending a self-powered feeder in a manhole, placing a solid microbe-containing wastewater treatment substance into the feeder, and automatically dispensing a quantity into the waste water
03/20/2003US20030052055 Hollow fiber membrane, hollow fiber membrane module, and water purifier
03/20/2003US20030051675 Growth inhibitor
03/20/2003DE20023107U1 Heater for drinking water comprises disinfection chamber where water is held at disinfection temperature long enough time to kill Legionella bacteria after which it is fed via heat exchanger and mixer valves to taps
03/20/2003CA2460172A1 An aquaculture system
03/20/2003CA2457751A1 Sprayer and filter therefor
03/20/2003CA2452846A1 Reactor and solids settler for grey water treatment
03/19/2003WO2002023992A1 Disinfectant agent
03/19/2003EP1293485A1 Method for treating industrial waste water
03/19/2003EP1293484A1 Process and an apparatus for biological treatment of aqueous organic wastes
03/19/2003EP1293482A1 Process for the disinfection of waters
03/19/2003EP1293481A2 Electrolytic cell for producing charged anode water suitable for surface cleaning or treatment, and method for producing the same and use of the same
03/19/2003EP1293255A2 Method and device for separating impurities from suspensions by flotation
03/19/2003EP1293254A2 Method and device for aerating a liquid with a gas
03/19/2003EP1292820A2 Dynamic optimization of chemical additives in a water treatment system
03/19/2003EP1292543A1 Method for producing water rich in calcium and water obtained
03/19/2003EP1292542A1 Effluent purifying device
03/19/2003EP1292541A1 Pumping arrangement for a household water purifier
03/19/2003EP1292540A2 System and method for treating a fluid by radiation
03/19/2003EP1292538A1 Stabilised calcium hydroxide slurries
03/19/2003EP1292378A1 Water filtering device
03/19/2003EP1292372A2 Electrostatic enhancement for membrane-separation systems
03/19/2003EP1240076B1 Desalination system of sea water for ship
03/19/2003EP1196352B1 Method and device for the purification of waste water by modified membrane filtration
03/19/2003EP1147063B1 Process for the treatment of waste water containing heavy metals
03/19/2003EP1144064B1 Heat exchanger, in particular for preheating liquid manure
03/19/2003EP1085932B1 Device for separating two non-mixable liquids with different specific gravities
03/19/2003EP1083794B1 Concentrated aqueous bromine solutions and their preparation
03/19/2003EP0984990B1 Preparation of water soluble polymer dispersions from vinylamide monomers
03/19/2003CN2540406Y Flocculation pond with fin division plate
03/19/2003CN2540405Y Ion exchanger for producing ultrapure water
03/19/2003CN2540404Y Domestic water purifying device
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