Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
07/2003
07/31/2003WO2003061862A1 Method and apparatus for removing pollutant
07/31/2003WO2003061829A1 Process for the preparation of a microspheroidal catalyst
07/31/2003WO2003061811A2 Device for the purification and the control of water by reverse osmosis
07/31/2003WO2003033122A3 Apparatus for fluid purification and methods of manufacture and use thereof
07/31/2003WO2003018482A3 Device (variants) for treating water systems
07/31/2003WO2003000389B1 Membrane-assisted fluid separation apparatus and method
07/31/2003US20030143711 Hydrolyses organophosphate insecticides including malathion; bioremediation
07/31/2003US20030143143 Process for treating wastes from acrylic acid and polyacrylic acid production processes
07/31/2003US20030143137 Recovery process for wastes containing hexavalent chromium
07/31/2003US20030143030 Method of treating contaminants in an in situ environment
07/31/2003US20030141483 Oxygen scavenger and boiler water treatment chemical
07/31/2003US20030141457 Method and apparatus for electromagnetic irradiation of liquid
07/31/2003US20030141261 For use in separating solids from liquids, in particular, beverages
07/31/2003US20030141259 Methods of phosphorous reduction in stormwater runoff systems using iron humate
07/31/2003US20030141258 Method for determining the dissolution rate of a solid water treatment product
07/31/2003US20030141257 Water recycling system and method
07/31/2003US20030141256 Method of dewatering sludge using enzymes
07/31/2003US20030141255 Adding cellulolytic enzymes to sludge; adding peroxidases to sludge to form mixture of water and and coagulated and flocculated solids; separating coagulated and flocculated solids from the water
07/31/2003US20030141254 Process for treating waste water to remove contaminants
07/31/2003US20030141250 Desalination method and desalination apparatus
07/31/2003US20030141249 Method and device for producing aqueous iodine and other halogen solutions
07/31/2003US20030141248 Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes
07/31/2003US20030141245 Separation of solids by flocculation; dissolving by air flow; swine waste; uniform concentrates
07/31/2003US20030141243 Anaerobic chemical reactors; gas stripping
07/31/2003US20030141241 Water-purifying filter element having surface holes for deep filtration
07/31/2003US20030141237 Portable and multi-stage filtration device for removal of perchlorethylene from dry cleaning wastewater
07/31/2003US20030141234 Water treatment device
07/31/2003US20030141233 Chitosan coupling with removable lid
07/31/2003US20030141228 Physically and chemically emulsified hydrocarbon waters separator for ship's bilges
07/31/2003US20030141202 Alkaline electrolyte solution; circulation; decomposition oxidation; water treatment by electrolysis; water pollution control
07/31/2003US20030141181 Apparatus for generating ozone
07/31/2003US20030140785 Microporous filter media, filtration systems containing same, and methods of making and using
07/31/2003DE20121793U1 Effluent air or water treatment comprising microbiological colony on soft ferrite porous substrate with catalyst in the presence of changing magnetic fields
07/31/2003CA2473417A1 Method and apparatus for generating gaseous chlorine dioxide-chlorine mixtures
07/31/2003CA2472365A1 Process for the preparation of a microspheroidal catalyst
07/30/2003EP1331203A2 Method and apparatus for monitoring the status of a water softener
07/30/2003EP1330414A2 Method and apparatus for treatment of water and wastewater
07/30/2003EP1330413A1 Method for disposing of waste, produced in an aluminium anodisation plant
07/30/2003EP1330300A2 Removing oil from water, monitoring of adsorbent saturation
07/30/2003EP1242312B1 Device and method for treating water with ozone generated by water electrolysis
07/30/2003EP1230169B1 Process for the purification of industrial waste water from a propylene oxide production process
07/30/2003EP1159225B1 Radiation source module and cleaning apparatus therefor
07/30/2003EP1070150B1 Method for treating steel works dust by wet process
07/30/2003EP1051357B1 Device for degerminating water flowing through a sanitary installation
07/30/2003EP1045813B1 Intermittent spray system for water treatment
07/30/2003CN2563495Y Automatic magnetizing and mineralizing water heater
07/30/2003CN2563379Y Water tap with stevilizing function
07/30/2003CN2563147Y Light catalystic oxidation reactor
07/30/2003CN2563146Y Super critical water wet double efficiency oxidation waste water processing device
07/30/2003CN2563145Y Iodine ion sterilizing water purifier
07/30/2003CN2563144Y Straight through electronic conduit line device
07/30/2003CN2563143Y Rolling type electric salt removing device for preventing resin leaking
07/30/2003CN2563142Y Multifunctional water purifier
07/30/2003CN2562884Y Electromagnetic wave flaw protective jet
07/30/2003CN1433385A 水处理 Water Treatment
07/30/2003CN1433384A 流体混合装置 Fluid mixing device
07/30/2003CN1432540A Complex filter and high-purity water producing method and equipment with the complex filter
07/30/2003CN1432536A Ecologically safe composite efficient flocculant
07/30/2003CN1432535A Internally and externally magnetic combined fluid processing method and preocessor
07/30/2003CN1432534A High-frequency electronic water-processing process
07/30/2003CN1432533A Algae killing and inhibiting method for water body
07/30/2003CN1432532A Bittern desalting technology
07/30/2003CN1432531A Hydrogen dissolving water producing apparatus
07/30/2003CN1432427A Processing system with spiral membrane element and its operation process
07/30/2003CN1432279A Delayed release biocide
07/30/2003CN1116476C Method of reducing chlorion, potassium and other method ions in paper pulp and chemicals recovering system
07/30/2003CN1116448C Method for treating waste liquor from final water washing tank used in cation electrodeposition painting
07/30/2003CN1116398C Process for producing fresh wiping solution and treating used solution and apparatus for carrying out the process
07/30/2003CN1116235C Process for removing amoniacal nitrogen from sewage of coking
07/30/2003CN1116234C Drinking water containing chitosan
07/30/2003CN1116233C Cleaning agent of aqueous polysilicate ferro-aluminium waste water
07/30/2003CN1116116C Ion exchanger
07/29/2003US6599485 Solvent extraction, distilling tower, water, sodium carbonate, oxidizing agent, sodium hydroxide, cyclone separator; under pressure at an elevated temperature
07/29/2003US6599432 Exposing biofilm containing microbial flora to chlorine for elimination then chlorine dioxide for maintenence; dentistry
07/29/2003US6599431 Water is purified by aeration to expel the pollutant into gas phase, and the pollutant containing gas is then mixed with a chlorine-containing gas under light irradiation to decompose the pollutant
07/29/2003US6599429 Water treatment product and method
07/29/2003US6599428 Filter system for removing contaminants from water and method thereof
07/29/2003US6599427 Static filter pitcher
07/29/2003US6599424 Agricultural animal wastewater, aerobic bacteria, clarification
07/29/2003US6599423 High-efficiency processes for destruction of contaminants
07/29/2003US6599422 Separator for liquids containing impurities
07/29/2003US6599419 Device for treating liquids
07/29/2003US6599418 Apparatus for treating water or wastewater
07/29/2003CA2391895A1 Method and device for producing aqueous iodine and other halogen solutions
07/29/2003CA2247652C Apparatus for germicidal cleansing of water
07/29/2003CA2145539C Preventing contaminant build-up in beer lines
07/29/2003CA2055098C Monitoring and dosage control of tagged polymers in cooling water systems
07/24/2003WO2003061044A2 Method and device for deionizing cooling media for fuel cells
07/24/2003WO2003060950A2 Amalgam-doped mercury low-pressure irradiator
07/24/2003WO2003060225A1 Method for the recovery of sizes by means of a combination of desizing with dispersants/complexing agents and subsequent recycling
07/24/2003WO2003059841A1 Method for producing glass-like carbon
07/24/2003WO2003059824A1 Purification of onium hydroxides by electrodialysis
07/24/2003WO2003059823A1 Device for electrolytic purification of liquids
07/24/2003WO2003059822A2 Chromatogtraphy apparatus and electrolytic method for purifying an aqueous stream containing a contaminant iom
07/24/2003WO2003059821A1 Apparatus and method for separating and filtering particles and organisms from flowing liquids
07/24/2003WO2003059818A1 Method of purifying brine
07/24/2003WO2003059537A1 Cleaning method and cleaning fluid for aeration bodies
07/24/2003WO2003059494A1 Module with self-supporting sheet membranes
07/24/2003WO2003059489A1 Filtration mat for water clarification device
07/24/2003WO2003051778A3 Method for treating circulating water in coagulation devices of paint installations