Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/2004
05/06/2004EP1414293A1 Aquaculture system
05/06/2004EP1337479B1 Method and device for oxidising materials in supercritical water
05/06/2004EP1206415B1 Process for flocculating suspensions
05/06/2004EP1171649A4 Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control
05/06/2004EP1154957B1 Devices for supplying autarkic buildings
05/06/2004EP1118087A4 Medical devices incorporating at least one element made from a plurality of twisted and drawn wires at least one of the wires being a nickel-titanium alloy wire
05/06/2004DE20304846U1 Water filtration device for clarifying utility water incorporates a filter column laden with gravel to entrap ferrous particles and a pressure regulated backflush system to clean the column at intervals
05/06/2004DE10348732A1 Water treatment, especially for treating waste water, comprises adding a solution containing a microbiotic mixed culture to water in a catalytically active environment
05/06/2004DE10347695A1 Mehrstufiges Vakuumdestillations-, Vakuumkühl- und Vakuumgefrierverfahren und Apparate für die Lösungsabscheidung und Meerwasser-Entsalzung A multi-stage vacuum distillation, vacuum Vakuumkühl- and freezing process and apparatus for the deposition solution and seawater desalination
05/06/2004DE10323518A1 Verfahren und Anlage zur Vorbehandlung von Abwässern durch Chemikalieneinsatz Method and apparatus for treatment of waste water by chemicals
05/06/2004DE10249913A1 Device for treating fluids, especially water, fuels, lubricants and foodstuffs, is structured so that field lines of a magnetic field and the flowing fluid move relative to each other
05/06/2004CA2503431A1 Method for clarifying soil
05/05/2004CN1494436A Drinking water UV disinfection system and method
05/05/2004CN1494378A Liquid deodorant killing micro organism and method of microorganism-killing deodorization
05/05/2004CN1493531A Waste water/water treatment method using membrane separation bioreactor
05/05/2004CN1493529A Method and reactor for removing nitrate in water
05/05/2004CN1493528A Chemical precipitation method for treating ammonia nitrogen waste water
05/05/2004CN1493527A Super magnetic magnetization apparatus
05/05/2004CN1493399A Catalyst for removing nitrate in water and its preparation method
05/05/2004CN1493396A Nano-crystal titanium dioxide photo catalyst of loading type built up metal and its preparation
05/05/2004CN1493393A Adsorber for removing antiseptic byproduct in city water and its preparation and use method
05/05/2004CN1148323C Method of eliminating As, Pb, Cr and Hg from drinking water
05/05/2004CN1148322C Reducing electrolytic water and method for preparing the same
05/05/2004CN1148321C Comprehensive air floating system for pressure dissolution electrolysis
05/05/2004CN1148320C Solar seawater desalinating apparatus
05/05/2004CN1148267C Cleaning method and apparatus for the same
05/05/2004CN1148252C Method and apparatus for improved mixing fluids
05/04/2004US6731071 Inductively powered lamp assembly
05/04/2004US6730655 Biphenyl diquaternary ammonium compounds
05/04/2004US6730275 Corona method and apparatus for altering carbon containing compounds
05/04/2004US6730232 Aeration, bubbling, expansion
05/04/2004US6730227 Method of monitoring membrane separation processes
05/04/2004US6730222 Hydrodynamic vortex separator
05/04/2004US6730215 Apparatus for treating waste water
05/04/2004US6730214 System and apparatus for accelerating mass transfer of a gas into a liquid
05/04/2004US6730211 Reducing redox potentials
05/04/2004US6730205 Air cooled electromagnetic generator; prevent accumulation of impurities; separation of oil and water
05/01/2004CA2447868A1 Process for recycling paint flush solution
04/2004
04/30/2004CA2409585A1 Adsorbent mobile bed bioreactor
04/30/2004CA2409573A1 Wasterwater treatment process, including the formation of an apatite
04/29/2004WO2004036619A1 Ultraviolet irradiation device
04/29/2004WO2004036598A2 Method for removing heavy metals and radionuclides
04/29/2004WO2004036189A2 Methods for separating molecules
04/29/2004WO2004035904A1 Antibacterial treatment device
04/29/2004WO2004035718A2 Composition
04/29/2004WO2004035663A2 Method for preparing an ion exchange media
04/29/2004WO2004035489A1 Method and apparatus for water treatment
04/29/2004WO2004035488A1 Deep shaft treatment plant for liquid wastes
04/29/2004WO2004035487A1 Method and reactor for decalcifying and simultaneously removing harmful substances
04/29/2004WO2004035484A1 Portable small-scaled purified water-supplying system
04/29/2004WO2004035483A1 Stable n-bromo-2-pyrrolidine, methods to make same and use in water treatment
04/29/2004WO2004035482A1 High energy scale borer
04/29/2004WO2004035481A1 Method for mixing additives into and electrolyzing contaminated liquids
04/29/2004WO2004035480A1 Construction and method for batchwise separation of suspended matter from water
04/29/2004WO2004035479A1 Method and apparatus for high efficiency evaporation operation
04/29/2004WO2004035478A2 Water purification by means of catalytic surfaces and microorganisms
04/29/2004WO2004035192A1 Process for mixing treatment additives to contaminated liquids
04/29/2004WO2004035186A1 Process for dissolving gas into a liquid
04/29/2004WO2004035171A1 Process for removing an undesirable dissolved gas from a liquid
04/29/2004WO2004035170A2 Composition for separating molecules
04/29/2004WO2004035168A2 Method and system for desalinating water with solar energy
04/29/2004WO2004035167A2 Hydrate-based desalination/purification using permeable support member
04/29/2004WO2004035096A1 Composition exhibiting stabilised oxidation-reduction properties and method for the stabilisation thereof
04/29/2004WO2004020343A3 Pool filter with a pre-filtering unit
04/29/2004WO2004014528A9 Residential reverse osmosis system
04/29/2004WO2003064329A8 Method for treating water in order to reduce the metal ion concentration thereof
04/29/2004WO2003037799A9 Point of use water purification method and apparatus
04/29/2004US20040082828 For fine/intermediate/coarse fractions; fluidized beds; solid/liquid phase separation; pollution control
04/29/2004US20040082744 Amidomethylating a styrene polymer; ion echange resins; removal metal from aqueous solution
04/29/2004US20040082633 Water sanitizer; using 1,3-dihalo-5,5-dialkylhydantoin compound
04/29/2004US20040082632 Methods for microbiological control in aqueous systems
04/29/2004US20040079708 System and method for photocatalytic treatment of contaminated media
04/29/2004US20040079706 Treatment of shipboard-generated oily wastewaters
04/29/2004US20040079705 Driving fluid using propulsion; circulation, adjustment; pressurized working fluids; purification to remove impurities
04/29/2004US20040079703 Using filters; filtration cycle; permselective membrane; kidney, cardiovascular disorders
04/29/2004US20040079702 Removal impurities from aqueous solution; adsorption, desorption
04/29/2004US20040079701 Method for treating wastewater/water with membrane bioreactor
04/29/2004US20040079700 Production of water for injection using reverse osmosis
04/29/2004US20040079697 Fluid filter
04/29/2004US20040079650 Removal impurities from waste water; hermetic sealed housing; intake and discharging pipe; charged plates; circu;ation loop
04/29/2004US20040079642 Method and device for recovering metals by means of pulsating cathode currents also in combination with anodic coproduction processes
04/29/2004US20040079491 Evaporative process for the reconstitution of glycol bearing deicing fluids
04/29/2004US20040079444 Kneading iron sulfide containing compound with wastes; stirring; water treatment
04/29/2004US20040079397 Process and apparatus for pickling a metal piece after welding
04/29/2004DE3943819B4 Einheit zum Abscheiden von Luft Unit for separating air
04/29/2004DE10249081A1 Simplified sewage sludge treatment comprises an enzyme treatment step, and optionally a peroxide treatment step at an acidic pH
04/29/2004DE10248850A1 Decontamination of soils, sludges or similar mixtures involves washing in presence of separating agents which loosen organic contaminants by pi-bonding and/or mesomeric effect and mobilize heavy metals as chelates
04/29/2004CA2799710A1 Method and apparatus for high efficiency evaporation operation
04/29/2004CA2502554A1 Method for preparing an ion exchange media
04/29/2004CA2502234A1 Stable n-bromo-2-pyrrolidone, methods to make same and use in water treatment
04/29/2004CA2502223A1 Water purification by means of catalytic surfaces and microorganisms
04/29/2004CA2502218A1 Composition with stabilized redox properties and method of stabilization of redox properties
04/29/2004CA2498850A1 Method and reactor for decalcifying and simultaneously removing harmful substances
04/29/2004CA2498345A1 Methods for separating molecules
04/29/2004CA2498341A1 Composition for separating molecules
04/28/2004EP1413556A1 Process and device for the chemical pretreatment of wastewater
04/28/2004EP1413555A1 Method for antioxidation and antioxidative functional water
04/28/2004EP1413554A1 Gas and steam power plant for desalination of water
04/28/2004EP1412546A1 A method for the removal of metals from an aqueous solution using lime precipitation
04/28/2004EP1412294A1 A process for the removal of heavy metals by actinomycete