Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
12/2004
12/08/2004EP1483208A1 Water filter and treatment system and component
12/08/2004EP1483207A1 Method for determining the dissolution rate of a solid water treatment product
12/08/2004EP1483204A1 Preparation of waste water containing sodium chloride for use in chlor-alkali electrolysis
12/08/2004EP1483198A2 Device for generating aqueous chlorine dioxide solutions
12/08/2004EP1483039A1 Microporous filter media, filtration systems containing same, and methods of making and using
12/08/2004EP1483037A2 Treatment of environmental pollutants with mineral ores
12/08/2004EP1483034A1 Nanofiber filter media
12/08/2004EP1483033A1 A process for preparing semipermeable membranes having improved permeability
12/08/2004EP1483028A2 Precoat filtration media and methods of making and using
12/08/2004EP1482991A1 Controlled dosing of chlorine dioxide or other sanitizing agents into pressurized water systems
12/08/2004EP1482989A1 Inactivation of microbes in biological fluids
12/08/2004EP1328329B1 Proportional flow feeder for water filter cartridge
12/08/2004EP1221980B1 Electrolytic generation of iodine for preventing implant induced infections
12/08/2004EP1199973B1 Household appliance using water, namely a washing machine, with improved device for softening the water
12/08/2004EP1035874A4 Water sterilization system incorporating ultrasonic device
12/08/2004CN2661953Y Reverse osmosis desalination device directly driven by wind energy
12/08/2004CN2661686Y Nodulizer in water
12/08/2004CN2661679Y Minitype sterilizer for drinking machine
12/08/2004CN2661678Y Eletroosmosis type acid/alkali extractor
12/08/2004CN2661677Y Sea water desalination apparatus directly driven by wind energy
12/08/2004CN2661676Y Reverse osmosis pure water making machine
12/08/2004CN2661675Y Impeller of toroidal swirl type sand basin sand removing machine
12/08/2004CN2661674Y On line continuous monitoring device for sewage treatment process
12/08/2004CN2661673Y Automatic control device for sewage treatment grille
12/08/2004CN2661203Y Magnetization and sterilization rinsing device for woman
12/08/2004CN2661195Y Multifunctional sterilization device
12/08/2004CN2661189Y Fluid sterilization piping installation
12/08/2004CN1553985A Method of controlling asphaltene precipitation in a fluid
12/08/2004CN1553827A Composite particulate article and method for preparation thereof
12/08/2004CN1553824A Semipermeable composite membrane and process for producing the same
12/08/2004CN1552640A Black liquor treating and using method for alkaline pulp plant
12/08/2004CN1552639A Method for comprehensive treating waste emulsion liquid and chromium containing waste water by metallurgy chemical industry technology
12/08/2004CN1552638A Ammonia chloride waste water zero release treating process
12/08/2004CN1552637A Flocculent, preparing method and use thereof
12/08/2004CN1552636A Complexometric synergist, preparing method and use thereof
12/08/2004CN1552635A Water softing apparatus of bowl washer
12/08/2004CN1552634A Waste water organic matter processing method for food processing factory
12/08/2004CN1552633A Running water ultraviolet technology pretreatment method
12/08/2004CN1552632A Underwater bubble and dissolved-oxygen remover
12/08/2004CN1552631A Water solution treating system for fluid bed process
12/08/2004CN1552630A Instant desalinating apparatus by explosive aerating separation
12/08/2004CN1552629A Complexing agent, preparing method and use thereof
12/08/2004CN1552519A Heterogeneous catalyst and method for treating refuse percolate by catalytic oxidation wet process
12/08/2004CN1552499A Memberane extracting method for trace organic pollutant in water
12/08/2004CN1552207A Disinfectant and method of making
12/08/2004CN1179606C Electronic driver for water treatment system UV bulb
12/08/2004CN1178969C Process for preparing monodisperse cross-linked bead polymer having thiourea group and use thereof
12/08/2004CN1178868C Sewage treating device
12/08/2004CN1178865C Water purification process
12/08/2004CN1178864C Water purifier for bottle container
12/08/2004CN1178863C Tank treatment assembly
12/08/2004CN1178862C Improved filter cartridge for Jug water purifiers particularly
12/08/2004CN1178731C Vertical extending liquid/liquid contacting column
12/07/2004US6829319 Condensate demineralization
12/07/2004US6827874 Purification, clarification; mixture of coagulant, flocculant
12/07/2004US6827860 Method for eliminating nickel ions and lead ions from ferrous salt solutions
12/07/2004US6827859 A clinoptilolite modified in an alkaline slurry as an ion exchange material
12/07/2004US6827857 Control valve and water purification method
12/07/2004US6827856 Using chelating resins for removing copper; displacing absorbed copper by treating resins with hydrochloric acid or sulfuric acid solutions; waste from iodine recovery by copper mineralization of X-ray contrast agent production solutions
12/07/2004US6827854 Comprising particles coated with activated lignosulfonate
12/07/2004US6827853 Manually controlled skimming of industrial oil contaminants
12/07/2004US6827849 Foot warm bath equipment
12/07/2004US6827847 System and assembly for sanitizing swimming pool water
12/07/2004US6827832 Electrochemical cell and process for reducing the amount of organic contaminants in metal plating baths
12/07/2004US6827792 Liquid waste absorbing compositions
12/07/2004US6827090 Dissolving a deposit with an aqueous treatment solution of a reducing agent and a complexing agent that has a phosphonic acid group, phosphonate group, or a complexing agent of hydroxy acid type.
12/07/2004CA2265309C Faucet attachment for treating water
12/05/2004WO2004108173A1 Methods of producing, marketing and using odor control compositions
12/02/2004WO2004104272A1 Diamond-coated electrode and method for producing same
12/02/2004WO2004103918A1 Desalination of aqueous feedstocks
12/02/2004WO2004103917A1 Water treatment method and apparatus using pretreatment and membranes
12/02/2004WO2004103916A1 Systems for the removal of solids from fluids and methods of using the same
12/02/2004WO2004103915A1 Mineral water producing system
12/02/2004WO2004103914A1 Device for the treatment of wastewaters, especially containing vat dyes, filtering membrane used therefor, and method for the treatment of wastewaters by using said device
12/02/2004WO2004103913A1 The treatment of water containing dissolved gases
12/02/2004WO2004103912A1 A swimming pool cleaning and sanitising system
12/02/2004WO2004103911A1 Method and apparatus for conducting a chemical reaction in the presence of cavitation and an electrical current
12/02/2004WO2004103910A1 Removal of sulphates from a feedstock
12/02/2004WO2004103584A2 Method and unit for cleaning pieces contaminated with organic matter
12/02/2004WO2004103545A2 Regenerant reuse
12/02/2004WO2004103521A1 Flocculaing settling device
12/02/2004WO2004103520A2 Settling tank for treatment of waste effluents
12/02/2004WO2004103097A2 Mineral concentrate
12/02/2004WO2004103096A1 Device for ionization of fluids, especially of water, alcoholic and non-alcoholic drinks
12/02/2004WO2004069369A3 Point-of-use water softener
12/02/2004WO2004063424A3 Two-stage or multi-stage method for treating phosphated rinsing water using a membrane
12/02/2004WO2002068583A3 Enzymes having dehalogenase activity and methods of use thereof
12/02/2004US20040241771 Electrode compositions and configurations for electrochemical bioreactor systems
12/02/2004US20040241299 Contains less than 200 ppm total dissolved solids and more total dissolved solids than reverse osmosis water, less than 50 ppm bicarbonate, and has a pH of 7.0-8.5; suitable for making a tea-based beverage having 0.05-6.0% by weight tea solids and a Hunter Haze Value of 15-50
12/02/2004US20040241073 A process for total environmental remediation of a phosphorus contaminated site
12/02/2004US20040239048 Gasket, gasket formation method, and electrolysis apparatus using gasket
12/02/2004US20040238460 Method for starting up a system for treating waste by hydrothermal oxidation
12/02/2004US20040238459 Methods and systems for groundwater remediation
12/02/2004US20040238457 Low cost ferric ion removal using combination of oxalic and phosphoric acids in distilled or deionized water; purification for reuse in system
12/02/2004US20040238456 Method and apparatus for underwater decomposition of organic content of electrically conductive aqueous waste solutions
12/02/2004US20040238455 Apparatus and a method for controlling the alkalinity and ph of an industrial process
12/02/2004US20040238454 Composition, amphoteric polymeric flocculant and use of both
12/02/2004US20040238453 Water treatment process and apparatus
12/02/2004US20040238450 Method for treatment against corrosion and depositions in domestic supply water stallations and apparatus therefor
12/02/2004US20040238449 Use of a material based on organic and/or inorganic fibres and chitosan for fixing metal ions