C02F 1 - Treatment of water, waste water, or sewage

Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
10/2001
10/30/2001	US6309611 Is based on optimizing photoprocess energetics by decoupling of the process energy efficiency from the dre for target contaminants.
10/30/2001	US6309597 Method for reducing hydrogen sulfide level in water containing sulfate-reducing bacteria and hydrogen sulfide-metabolizing bacteria
10/30/2001	US6309553 Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation
10/30/2001	US6309551 Water chlorination treatment and control
10/30/2001	US6309547 Anaerobic treatment process with removal of nonbiodegradable organic material
10/30/2001	US6309538 Spa chemistry monitoring and chemical dispensing unit
10/30/2001	US6309533 Removal of oxygen from water
10/30/2001	US6309532 Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes
10/30/2001	US6309523 Electrode and electrolytic cell containing same
10/30/2001	US6309521 Electrolyzer
10/30/2001	US6309519 Reactor for treating liquids using variable flow paths
10/30/2001	US6309513 Desalination of seawater by evaporation in a multi-stack array of vertical tube bundles, with waste heat
10/30/2001	US6308719 Pre-clean deluge system
10/30/2001	CA2223570C Formic acid and formaldehyde destruction in waste streams
10/30/2001	CA2186617C Method and device for disposing of a solution containing an organic acid
10/28/2001	CA2345446A1 Treatment of pulp mill condensate with ozone
10/27/2001	CA2344985A1 Method for sanitizing a food processing environment
10/25/2001	WO2001079893A1 Water management system
10/25/2001	WO2001079765A1 Torsion generator
10/25/2001	WO2001079214A1 Removal of chloride from phosphonomethyliminodiacetic acid process
10/25/2001	WO2001079122A1 Sequestering
10/25/2001	WO2001079120A1 Precipitating chemical
10/25/2001	WO2001079119A1 Active water supply system
10/25/2001	WO2001079117A2 Method and apparatus for treating of water/wastewater
10/25/2001	WO2001079082A2 Center opening treatment tank for use with metal tank flanges
10/25/2001	WO2001078879A1 Electrolytic process and apparatus for the controlled oxidation and reduction of inorganic and organic species in aqueous solutions
10/25/2001	WO2001078864A1 Method and apparatus for treating of water/wastewater
10/25/2001	WO2001078793A1 Sterilization process for air, liquid and surfaces
10/25/2001	WO2001078535A1 Method and apparatus for generating oxygenated water
10/25/2001	WO2001044110B1 Flocculants
10/25/2001	WO2001016082A3 Purification of aromatic diacids
10/25/2001	US20010034190 Pure water reusing system
10/25/2001	US20010034056 Odor control scrubber
10/25/2001	US20010033816 Using metal hydroxides
10/25/2001	US20010032823 On premise water treatment system and method
10/25/2001	US20010032822 Device, method, and system for removing contaminants from a liquid
10/25/2001	US20010032820 Mixed oxide catalysts
10/25/2001	US20010032812 System and method to improve flotation systems
10/25/2001	US20010032808 Device for intercepting, filtering and balancing the water supplied in water treatment plants
10/25/2001	US20010032659 For removal of deposits from tubes used in ultraviolet sterilization and desinfection of water
10/25/2001	DE10119759A1 Proteinabschäumer The protein
10/25/2001	DE10019960A1 Chipboard production waste water treated by addition of caustic solution and evaporation for separation into concentrated semi-solids and clean water
10/25/2001	DE10018603A1 Verfahren zur Vorbehandlung von organisch belastetem Wasser Process for the preparation of organically polluted water
10/25/2001	DE10016982A1 Verfahren zur Speisung eines UV-Licht-Niederdruckstrahlers und Vorschaltgerät zur Speisung eines UV-Licht-Niederdruck-Strahlers A method for supplying a UV light low-pressure radiator and ballast for supplying a UV light low-pressure radiator
10/25/2001	DE10004129A1 Water supply subjected to combined continual random pattern of high and low frequency magnetic impulses promoting calcium carbonate precipitation
10/25/2001	CA2406382A1 Sequestering
10/25/2001	CA2405227A1 Electrolytic process and apparatus for the controlled oxidation and reduction of inorganic and organic species in aqueous solutions
10/24/2001	EP1148032A1 Spout with means for applying a spinning motion to the fluid flow and for magnetizing the poured liquid
10/24/2001	EP1148031A1 Electrochemical process for the degradation of organometallic compounds in dredged material
10/24/2001	EP1147803A1 Filtration and separation apparatus, especially for biological-organic fluids
10/24/2001	EP1147736A2 A system for monitoring the status of a water softener
10/24/2001	EP1147462A1 Performance-based control system
10/24/2001	EP1147159A1 Process and composition for treating hydrocarbon contaminated material
10/24/2001	EP1147063A1 Process for the treatment of waste water containing heavy metals
10/24/2001	EP1147062A1 Method and installation for sanitizing surface water
10/24/2001	EP1146958A1 Apparatus and method for point-of-use treatment of effluent gas streams
10/24/2001	EP1146955A1 Immersed membrane filtration system and overflow process
10/24/2001	EP1146954A1 Immersed membrane element and module
10/24/2001	EP1017631B1 Device and method for exposing liquids, including pretreated wastewater, to x-rays
10/24/2001	EP0683837B1 Method for remediation of groundwater contamination
10/24/2001	CN2455707Y Oxygen richened drinking water maker
10/24/2001	CN2455706Y Unitary drinking water treating apparatus
10/24/2001	CN2455705Y Wastewater treating apparatus
10/24/2001	CN2455704Y Liquid purifying device
10/24/2001	CN2455703Y 电子式水处理器 Electronic water processor
10/24/2001	CN2455702Y High voltage pulse bactericidal instrument for drinking water
10/24/2001	CN2455701Y Complete flow treating device
10/24/2001	CN2455700Y Oil containing sludge treating apparatus
10/24/2001	CN2455699Y Automatic treated wastewater reusing apparatus for saving water to clean vehicle
10/24/2001	CN2455698Y Self-lift backward washed moving cover
10/24/2001	CN2455327Y Autoamtic water evaporator
10/24/2001	CN2455254Y Multifunctional kitchen sterilizer
10/24/2001	CN1319108A Activated carbon filter
10/24/2001	CN1319030A Removable filters and water heating vessels incorporating such
10/24/2001	CN1318979A Environmentally compatible processes, compositions and materials treated thereby
10/24/2001	CN1318526A Method for treatment of waste water and device for treatment of waste water using the method
10/24/2001	CN1318522A Composite flocculant for sewage treatment
10/24/2001	CN1318521A Preparation of water purifying agent
10/24/2001	CN1318520A Complexing water-purifying agent
10/24/2001	CN1318519A Sewage electrolyzing purifier and its usage
10/24/2001	CN1318518A Water purifying material and device for shower-bath
10/24/2001	CN1318292A Water insoluble germicide and its preparation
10/24/2001	CN1073588C Flocculating or viscosifying compositions and their production and use
10/24/2001	CN1073536C Method for recovering organic mass in naphthalene series dye intermediate waste mother liquor by trialkylamine
10/24/2001	CN1073534C Salt extraction process and device
10/24/2001	CN1073466C Electrical ion exchange resin regenerating method and equipment
10/23/2001	US6307012 Processes for spray drying of polymer-containing dispersions water-in-oil emulsions and water-in-oil microemulsions
10/23/2001	US6306441 Concentrated aqueous bromine solutions and their preparation
10/23/2001	US6306350 Water sampling method and apparatus with analyte integration
10/23/2001	US6306308 As a coagulant used to remove suspended solids and various impurities in most water treatment applications
10/23/2001	US6306302 Process for treatment of sulphate-containing water
10/23/2001	US6306301 Enhanced surface entrapment capacity; easy toproduce
10/23/2001	US6306299 Filtration device for a waste water treatment system
10/23/2001	US6306290 Water filter replacement indicator
10/23/2001	US6306282 Sludge-free treatment of copper CMP wastes
10/23/2001	US6306281 Electrolytic process for the generation of stable solutions of chlorine dioxide
10/23/2001	US6306270 Electrolytic cell with bipolar electrode including diamond
10/23/2001	US6306249 Method for treating contaminated surface with aldehyde-based surfactant
10/23/2001	US6305189 Method and installation for continuous crystallization of liquids by freezing
10/23/2001	CA2191540C Electrical apparatus for controlling liquid contaminants

1 ... 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 ... 1452