Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
10/2002
10/31/2002US20020158001 Filtering medium consists of three parts: peat moss, anthracite and bentonite
10/31/2002US20020157998 Structure of a water purifier
10/31/2002US20020157994 Production of pyrogen controlled water
10/31/2002US20020157989 Contacting the hydrocarbon or hydrocarbon substrate containing hydrogen sulfide or other sulfide impurities with potassium formate and a sulfide scavenger which is a reaction product of formaledhyde and monoethanolamine
10/31/2002US20020157966 Exposing the solution to a high voltage electric field and to a trickle current simultaneously and passing the solution through a filter medium to remove the metal; water treatment
10/31/2002US20020157962 Mineral ionizing device
10/31/2002US20020157952 Adding sulfuric acid to an acid treatment solution which contains a non-alkaline metal ions to produce sulfate, and recovering the regenerated acid treatment solution by separating the sulfate (aluminum sulfate)
10/31/2002DE10121163A1 Heterodispersed chelate resin preparation, useful for removal of metals,comprises reaction of monomer droplets using initiator comprising peroxycarbonate, perester or peroxyester
10/31/2002DE10119013A1 Aeration rotor for waste- and potable waters, comprises holder with circumferentially-distributed edge penetrations and plate projections passing through them
10/31/2002DE10118950A1 Reducing the chemical oxygen demand of waste water from the paper industry comprises treating the water with hydrogen peroxide and adding a solution of iron sulfate, iron chloride, manganese chloride and calcium chloride
10/31/2002DE10118243A1 Hybrid filter module used in micro- and ultra-filtration comprises open porous electrically conducting solid substrate electrodes
10/31/2002DE10112075C1 Verfahren und Vorrichtung zur Rückgewinnung von Metallen, auch in Kombination mit anodischen Koppelprozessen Method and apparatus for recovery of metals, in combination with anodic coupling processes
10/31/2002DE10056071C2 Dampfabscheidevorrichtung Vapor deposition apparatus
10/31/2002CA2445422A1 Treatment of hydrocarbons containing sulfides
10/31/2002CA2445243A1 Process for hydrothermal treatment of materials
10/30/2002EP1253115A2 Catalytic ozonation process for the mineralisation of organic pollutants in water
10/30/2002EP1253114A2 Water conditioning system with replaceable cartridge
10/30/2002EP1252921A2 Apparatus for withdrawing permeate from a multicomponent liquid substrate
10/30/2002EP1252635A2 Method for conditioning soda effluents in the form of nepheline
10/30/2002EP1252371A1 Improvements in electrolysis cells
10/30/2002EP1252109A2 Water purification process and purification plant
10/30/2002EP1252108A2 Water and wastewater treatment system and process for contaminant removal
10/30/2002EP1252106A1 Apparatus and method of purifying water with ozone
10/30/2002EP1252105A1 Method of recycling dispersion paint substances or glues from waste water and apparatus for performing the same
10/30/2002EP1252104A1 Apparatus for manufacturing sterilizing water
10/30/2002EP1252103A2 Method for purifying running waters
10/30/2002EP1252101A1 Water purification filter
10/30/2002EP1252100A1 Water distillation system
10/30/2002EP1252099A1 Dairy wastewater treatment
10/30/2002EP1252098A2 Methods for microbiological control in aqueous systems
10/30/2002EP1251940A2 A method for treatment of flue gas cleaning products
10/30/2002EP1251925A1 Device, method, and system for removing contaminants from a liquid
10/30/2002EP1251920A1 Method and apparatus for metal removal by ion exchange
10/30/2002EP1251878A2 Dental equipment and method of operating such equipment
10/30/2002EP1091910A4 Hydrogen sulfide removal methods and apparatus
10/30/2002EP1017628B1 Water treatment system having dosing control
10/30/2002CN2518853Y Multi-functional sterilizing gas-liquid producer
10/30/2002CN2518852Y Circulating strong dirt-removing water purifier
10/30/2002CN2518851Y Tubular water treatment device with magnetic and sound field
10/30/2002CN2518850Y Dirt-removing water purifier with honeycomb water-treating chamber
10/30/2002CN2518849Y Full-automatic rare earth magnetic ion water-treating machine
10/30/2002CN2518848Y Portable reverse osmosis seawater desalination plant
10/30/2002CN2518847Y Special water-storage pot for electric sterilizing and reverse osmosis water purifier
10/30/2002CN2518846Y Filter element of water purifier with abuse-proof function
10/30/2002CN2518845Y Vortex mixing reactive tank
10/30/2002CN2518844Y Ammonia air-separating tower for garbage percolation liquid
10/30/2002CN2518843Y Reusing device for domestic water
10/30/2002CN2518500Y Medicated, steam and magnetization bathroom
10/30/2002CN1377326A Method and apparatus for multistage liquid filtration
10/30/2002CN1377295A Apparatus and method for improving an osmosis process
10/30/2002CN1377229A Electrolytic synthesis of peracetic acid
10/30/2002CN1376821A Full-automatic washer with elastic crank simulating hand
10/30/2002CN1376641A Process for preparing heavy metal ion chelating medium from acetate fibres
10/30/2002CN1376640A Process for treating sewage in city river
10/30/2002CN1376639A Dual-chamber 'fluidized bed in whole chamber' process for desalination
10/30/2002CN1376533A Filter device and back flushing method of filter device filter and power apparatus
10/30/2002CN1376458A Natural plant powder for bath and its preparing process
10/30/2002CN1093427C Activated sludge degassing process and device
10/29/2002US6471974 N-chlorosulfamate compositions having enhanced antimicrobial efficacy
10/29/2002US6471876 Glass hollow spheres with such as zinc pyrithione or diiodomethyl p-tolylsulfone bonded to surface; simultaneously filtering and disinfecting water supply without use of energy or chemicals
10/29/2002US6471875 Physical water treatment by neutralizing, pressurizing, mixing in hot air and passing water through magnetooscillator; lower cost
10/29/2002US6471874 Effluent treating method, an effluent treating apparatus, and a cleaning apparatus using the same
10/29/2002US6471873 Electrolytic process and apparatus for purifying contaminated aqueous solutions and method for using same to remediate soil
10/29/2002US6471871 Flocculation of electrolyte solution being recycled to an electrolytic cell using aluminum salt, such as aluminum chloride, aluminum chlorohydrate or polyaluminum chlorides
10/29/2002US6471867 Electro-regenerating type apparatus for producing deionized water
10/29/2002US6471864 Adsorbent biocatalyst porous beads
10/29/2002US6471858 Water treatment dispensers
10/29/2002US6471854 Liquid contaminant separating system
10/29/2002US6471844 Process for the isolation of aromatic hydroxycarboxylic acids
10/29/2002US6471783 Using carbonated water to reduce generation of static electricity and oxidation caused by water contacting metal thin film conductors during such as washing, cutting, polishing, surface treatment
10/28/2002WO2001085620A1 Method and device for reducing scale formation and/or corrosion in systems which conduct liquids
10/24/2002WO2002084230A1 Automatic salt level monitor for a water softening device
10/24/2002WO2002084070A1 Methods of treating subterranean zones penetrated by well bores
10/24/2002WO2002084037A1 A water supply system and a multifunctional tank
10/24/2002WO2002083830A1 Foam, method of producing foam and use thereof
10/24/2002WO2002083813A1 Compositions for treating subterranean zones penetrated by well bores
10/24/2002WO2002083771A1 Ion exchanger
10/24/2002WO2002083770A1 Composite porous ion-exchanger, method of manufacturing the ion-exchanger, deionization module using the ion- exchanger, and electric deionized water manufacturing device
10/24/2002WO2002083743A1 Water-soluble polymer complexes
10/24/2002WO2002083578A2 Process and apparatus for the removal of scale build-up
10/24/2002WO2002083576A1 A process for biochemical treatment of waste water using nano materials
10/24/2002WO2002083575A1 Method for adding salt water to aqueous compositions before or during oxidation treatment
10/24/2002WO2002083574A1 Method and installation for remineralizing raw water
10/24/2002WO2002083573A2 Method to treat soapy wastewater
10/24/2002WO2002083572A1 Disinfectant
10/24/2002WO2002083571A1 Water treatment method, water treatment apparatus, and water culture system using them
10/24/2002WO2002083570A1 Apparatus and method for phtocatalytic purification and disinfection of water and ultrapure water
10/24/2002WO2002083297A1 Adsorbent materials for treating biodegradable waste and process for their preparation
10/24/2002WO2002083295A1 Method for purifying and refining fluids through accelerated electrons
10/24/2002WO2002083289A2 Conrrolled realease cooling additive composition
10/24/2002WO2002083277A1 Apparatus and method for treatment of water
10/24/2002WO2002083266A2 Filters and filter materials for the removal of microorganisms and processes for using the same
10/24/2002WO2002083258A2 Treatment of suspensions with a flocculation system comprising a non-ionic polymer and a cationic polymeric flocculant
10/24/2002WO2002083073A2 Cosmetic compositions containing water-soluble polymer complexes
10/24/2002WO2002082907A1 Novel antiseptic derivatives with broad spectrum antimicrobial activity for the impregnation of surfaces
10/24/2002WO2002082903A1 Antimicrobial reactive formulations comprising aminoalcohols
10/24/2002WO2002082893A1 Aquaculture system
10/24/2002WO2002059043A8 Recovery and purification of water from the exhaust gases of int ernal combustion engines
10/24/2002WO2002048050A3 Fluid treatment system and radiation source module for use therein
10/24/2002US20020155611 Permeabilizing cells; obtain cells, expose to electric pulse, monitor fluid flow through membranes