Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/2002
05/10/2002WO2002036248A1 Filtering device having a cylindrical first filter surrounding a membrane filtration unit
05/10/2002WO2002036238A1 Method and apparatus for processing wet material
05/10/2002WO2002036234A1 Water treatment system
05/10/2002WO2002036233A2 Removing oil from water, monitoring of adsorbent saturation
05/10/2002WO2002035908A2 Air and water purification using continuous breakpoint halogenation and peroxygenation
05/10/2002WO2002000551A3 A process and apparatus for brine purification
05/10/2002WO2001092167A8 Treatment of mineral materials
05/10/2002CA2428058A1 Air and water purification using continuous breakpoint halogenation and peroxygenation
05/10/2002CA2361476A1 Apparatus for aerating water
05/09/2002US20020055432 Inorganic substance on a surface of the photocatalyst having an opposite charge
05/09/2002US20020054288 Automatic water quality measurement system based on a high performance optical fiber probe
05/09/2002US20020053547 Contact and adsorbent granules
05/09/2002US20020053543 Method for the removal of particulate matter from aqueous suspension
05/09/2002US20020053538 Ice water cooling system
05/09/2002US20020053511 Cation exchange membrane selectively permeable to monovalent cations and method for its production
05/09/2002US20020053507 Boiler having a non-recirculating brine section, a brine input and output and a water vapor output, input for water to be distilled, compressor for heating the vapor, and a vapor line for heating brine
05/08/2002EP1203753A1 Waste water treatment method and apparatus
05/08/2002EP1203621A1 Green garbage treatment apparatus
05/08/2002EP1202937A1 Treatment of contaminated liquids with oxidizing gases and liquids
05/08/2002EP1202936A1 Novel materials and methods for water purification
05/08/2002EP1202935A1 Method and apparatus for removing oil from water including monitoring of adsorbent saturation
05/08/2002EP1202934A1 Flotation pile oil/water separator apparatus
05/08/2002EP1202784A1 Method and device for treating liquid wastes
05/08/2002EP1202624A1 Aqueous suspensions of low solubility and low stability water additives
05/08/2002EP1109744B1 Device and preparation for the treatment of tap water and drinking water
05/08/2002EP1028917B1 Means for chemical water treatment
05/08/2002EP1021376B1 Method and apparatus for reduction of flow resistance in pipes and ducts
05/08/2002EP0966400B1 Water purification device
05/08/2002EP0938453B1 Process for the removal of dissolved metals and/or metalloids from an aqueous medium containing same and having a high content of salt
05/08/2002DE10054128A1 Verfahren zur Entsorgung von in einem Aluminium-Eloxalwerk anfallenden Abfallstoffen A method for disposal of all in an aluminum anodising plant waste
05/08/2002DE10054000A1 Verfahren zum Aufbereiten von Umlaufwasser aus einer Lackieranlage und Mittel hierfür Method for processing circulating water from a paint shop and means therefor
05/08/2002DE10053511A1 Water treatment container has a UV-C light source for killing germs within circulating water and associated sensors for ensuring the correct and effective operation of the light source
05/08/2002CN2490215Y Water-saving cistern
05/08/2002CN2490212Y Domestic autoamtic water-saving machine
05/08/2002CN2490155Y Ozone water generator
05/08/2002CN2490154Y Ozone water generator
05/08/2002CN2490153Y Double-field algaecide sterilizating equipment
05/08/2002CN2490152Y Superstrong permanent-magnet fluid magnetization treater
05/08/2002CN2490151Y Electrolyte water disinfection and sterilization device
05/08/2002CN2490150Y Domestic water purifier
05/08/2002CN2490149Y Sterilization algaecide device for water treatment
05/08/2002CN2490148Y Optical catalase nanometre water, air treatment apparatus
05/08/2002CN2490147Y Sewage treatment apparatus
05/08/2002CN1348165A Etching liquid for indium oxide tin film
05/08/2002CN1347851A Treatment method of high concentration organic wastewater using biological culture equipment
05/08/2002CN1347850A Process for producing cleaning water and cleaning water
05/08/2002CN1347847A Waste water recovering and re-utilizing system
05/08/2002CN1347752A Hollow fiber membrane separator and its running process
05/08/2002CN1084525C Cleaning apparatus and cleaning method
05/08/2002CN1084343C Amphoteric water-soluble polymer disperser and its production and application
05/08/2002CN1084143C Natural superconcentrated seawater and its producing process
05/07/2002US6384109 Operating system so that, after first quantities of water and polymer have been mixed, second quantity of water is provided to flush mixture of first quantities of water and polymer from system
05/07/2002US6383507 Water treatment composition
05/07/2002US6383400 Heating; mixing with formic acid
05/07/2002US6383399 Treatment of contaminated liquids with oxidizing gases and liquids
05/07/2002US6383398 Wastewater contaminants removal comprising natural silicates, fly ash and silica fume, cement and lime; treatment generates stabilized waste which does not require further treatment prior to disposal
05/07/2002US6383396 Method for absorbing contaminants
05/07/2002US6383395 Using zirconium, titanium or hafnium hydroxide
05/07/2002US6383391 Water-and ion-conducting membranes and uses thereof
05/07/2002US6383388 Water purification; demetallization
05/07/2002US6383385 Filter unit for the physical elimination of microbes, suspended matter and solids from water
05/07/2002US6383382 Dual cartridge media housing
05/07/2002US6383381 Electric water kettle and filter
05/07/2002US6383375 Water container with filter cartridge
05/07/2002US6383370 Apparatus for treating wastewater
05/07/2002US6383369 Waste and wastewater treatment and recycling system
05/07/2002US6383362 Process and apparatus for eliminating dioxins
05/07/2002US6383361 Fluids management system for water electrolysis
05/07/2002US6383341 Apparatus for obtaining pure water from crude water
05/07/2002CA2196742C Method and device for removing hydrocarbons floating on water
05/07/2002CA2116454C Compositions and methods for controlling the growth of microbials in aqueous media
05/07/2002CA2090820C Simultaneous monitoring of multiple water treatment performance indicators
05/02/2002WO2002034897A1 Artichoke extract (cynara scolymus, l.) and its use in decontamination of media which are contaminated with phenols, aromatic amines, organic halides and/or heavy metals
05/02/2002WO2002034680A1 Reclaiming water and usable brine concentrate from domestic sewage
05/02/2002WO2002034677A2 Water treatment device
05/02/2002WO2002034676A1 Method for integrated water treatment
05/02/2002WO2002034675A1 Process for recovering onium hydroxides from solutions containing onium compounds
05/02/2002WO2002034674A1 A plant and a method for purifying water and a device for detecting organic compounds
05/02/2002WO2002034673A1 Processes and compositions for water treatment
05/02/2002WO2002034373A1 Fibre membrane arrangement
05/02/2002WO2002034372A2 Process for improving the purity of quaternary ammonium hydroxides by electrolysis
05/02/2002WO2002034361A1 Porous grog composition, water purification device containing the porous grog and method for making same
05/02/2002WO2002034352A1 Water filter cartridge having a proportional flow feeder
05/02/2002WO2002034075A1 Method and device for sterilising a liquid
05/02/2002WO2002006160A3 Methods of synthesizing an oxidant and applications thereof
05/02/2002WO2001089997A3 Means for electrochemical treatment of water
05/02/2002WO2001060750A3 Apparatus and method for controlled delivery of a gas
05/02/2002WO2001005717A9 Combined oxidation and chelating adsorption system for removal of mercury from water
05/02/2002WO2000048951A9 Poultry processing water recovery and re-use process
05/02/2002US20020050479 Durable, flexible, long-lasting photocatalytic oxidation filter with uniform, strongly-bonded, nonadhesive coating of an oxidation catalyst; pollution control; purification
05/02/2002US20020050478 Thermal water treatment
05/02/2002US20020050468 Mixing unit for a system for separating algae and other contaminants from a water stream
05/02/2002US20020050467 Hydro-cyclone separator for a system for separating algae and other contaminants from a water stream
05/02/2002US20020050451 Electrochemical apparatus and process for purification of fluids
05/02/2002EP1201609A1 Apparatus for oxidatively destructing trace injurious substance
05/02/2002EP1200985A1 Uv light source
05/02/2002EP1200480A1 Use of surface-active agents in the impurity removal process from solutions containing acetic derivatives using nano-filtration with membranes, in a process to obtain cellulose acetate
05/02/2002EP1200362A1 Method and device for the purification of wastewaters
05/02/2002EP1200359A1 Method of decomposing organic compounds in water
05/02/2002EP1200358A1 Treatment of aqueous aldehyde waste streams