| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/27/2000 | DE19832563A1 Solid compacts useful for purification or effluent treatment containing at least one component which can absorb water to form hydrates |
| 01/27/2000 | DE19723212C2 Verfahren zur Behandlung von Abwasser zur Verbesserung der Denitrifizierung bei gleichzeitiger Dephosphatierung durch Zusatzmittel A process for treating waste water to improve the denitrification while dephosphatation by additive |
| 01/26/2000 | EP0974028A2 Tubular lamp mounting arrangement |
| 01/26/2000 | EP0973694A2 USE OF A CaCO 3?-CONTAINING COMPOSITION AS ADDITIVE TO SEAWATER IN WHICH MARINE ANIMALS ARE REARED OR KEPT |
| 01/26/2000 | EP0973594A1 Process for sorbing liquids using tropical fibers |
| 01/26/2000 | EP0973593A1 Systems for ameliorating aqueous hydrocarbon spills |
| 01/26/2000 | EP0973398A1 Method, composition and system for the controlled release of chlorine dioxide gas |
| 01/26/2000 | EP0971856A4 Three zone dissolved air flotation clarifier with improved efficiency |
| 01/26/2000 | EP0880470A4 Apparatus and method for water purification |
| 01/26/2000 | EP0643766B1 Improved mixture of nutrients for the bioremediation of polluted soils and waters |
| 01/26/2000 | CN2360804Y Magnetic scale-proofing solar water heater |
| 01/26/2000 | CN2360406Y Energy saving purifying water tank |
| 01/26/2000 | CN2360405Y Water feeding improved structure of multifunctional water drinking machine |
| 01/26/2000 | CN2360398Y Non-power chlorine dioxide automatic filler |
| 01/26/2000 | CN2360397Y Magnetic mineralizing electrical kettle |
| 01/26/2000 | CN2360396Y Magnetizing basin |
| 01/26/2000 | CN2360395Y Magnetic water purifying drinking machine |
| 01/26/2000 | CN2360394Y Magnetizing health rod |
| 01/26/2000 | CN2360393Y Water jet equipment of enhanced water polarization magnetizer |
| 01/26/2000 | CN2360392Y Three-chamber bed water fine processor |
| 01/26/2000 | CN2360391Y Overlap pure water processor |
| 01/26/2000 | CN2360390Y Combination filtering deaerator |
| 01/26/2000 | CN2360389Y Water quality and mud improvement processor for breeding pool |
| 01/26/2000 | CN2360388Y Magnetic water purifying cold/hot water drinking machine |
| 01/26/2000 | CN1242758A Improved water purification system |
| 01/26/2000 | CN1242719A Method for recovering and separating metals from waste streams |
| 01/26/2000 | CN1242484A Magnetization type water tap |
| 01/26/2000 | CN1242343A Equipment and process specially for paper-making with no drainage of wastewater |
| 01/26/2000 | CN1242250A Full automatic purifying water tank |
| 01/26/2000 | CN1242241A Method of making pollutant harmless and apparatus for conducting the method |
| 01/26/2000 | CN1048698C Compound water purifying agent |
| 01/26/2000 | CN1048660C Process and equipment for separating suspended substances from liquid |
| 01/25/2000 | US6017461 Feeding water from a main water supply to a tank, circulating water from tank through an electrolytic ion generator including silver alloy anode and back to the tank, to ionize the contents of tank and generate a concentrate of silver ion |
| 01/25/2000 | US6017460 Heating and reaction system and method using recycle reactor |
| 01/25/2000 | US6017449 Container for liquid with dispersion device |
| 01/25/2000 | US6017447 Oxygenated water cooler |
| 01/25/2000 | US6017445 An electrolytic cell having multicompartment and water impervious membrane capable of transferring only cation and separates anode compartment from its cathode compartment |
| 01/25/2000 | US6017433 Desalting aqueous streams via filled cell electrodialysis |
| 01/25/2000 | US6016977 Hand held shower head and filter housing |
| 01/25/2000 | CA2160465C Process and apparatus for the treatment of waste water |
| 01/25/2000 | CA2102797C Anaerobic digestion process |
| 01/20/2000 | WO2000003231A1 Detection and removal of copper from wastewater streams from semiconductor and printed circuit board processing |
| 01/20/2000 | WO2000002821A1 Device for transforming chemical structures in a fluid comprising a solvent and salts by ultrasonic action |
| 01/20/2000 | WO2000002820A1 Method for transforming chemical structures in a fluid under pressure and in high temperature and implementing device |
| 01/20/2000 | WO2000002819A1 Ion exchange removal of metal ions from wastewater |
| 01/20/2000 | WO2000002817A1 Removing metal ions from wastewater |
| 01/20/2000 | WO2000002816A1 Activated carbon filter, ceramic filter element and water purification system comprising both filters |
| 01/20/2000 | WO2000002441A1 Improved method for separating liquid manure into a solid and a filtrate |
| 01/20/2000 | DE4306844C2 Verfahren zur kombinierten physikalisch-chemischen Reinigung von Wässern, die mit den Explosivstoffen 2,4,6-Trinitrotoluol, Hexahydro-1,3,5-trinitro-1,3,5-triazin und Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetraocin verunreinigt sind Process for the combined physical-chemical purification of waters, with explosives 2,4,6-trinitrotoluene, hexahydro-1,3,5-trinitro-1,3,5-triazine and octahydro-1,3,5,7 contaminated tetra-nitro-1,3,5,7-tetraocin |
| 01/20/2000 | DE19837923C1 Thermal sterilizer for liquids, such as drinking water, which uses a counter current flow spiral heat exchanger |
| 01/20/2000 | DE19833293C1 Continuous separation apparatus for solids and gases from liquids, e.g. removal of magnetizable particles and air from water or fuel systems |
| 01/20/2000 | DE19832432A1 Continuous flow sterilization by UV irradiation for liquids, such as water |
| 01/20/2000 | DE19832431A1 Combined UV and ozone sterilization of a flowing liquid such as water |
| 01/20/2000 | CA2337272A1 Method for transforming chemical structures in a fluid under pressure and in high temperature and implementing device |
| 01/20/2000 | CA2337268A1 Device for transforming chemical structures in a fluid comprising a solvent and salts by ultrasonic action |
| 01/19/2000 | EP0972749A2 Method and device for processing waste water containing fluoride |
| 01/19/2000 | EP0972001A1 Separation of heavy metals and materials for use in this |
| 01/19/2000 | EP0971858A1 Method for treating waste water, especially from and malt houses and breweries |
| 01/19/2000 | EP0971856A1 Three zone dissolved air flotation clarifier with improved efficiency |
| 01/19/2000 | EP0971790A1 Apparatus and method for ammonia removal from waste streams |
| 01/19/2000 | EP0971786A1 Container |
| 01/19/2000 | EP0971779A1 Process for removing selenium from selenium-containing waste streams |
| 01/19/2000 | EP0888249A4 Water clarifying compositions |
| 01/19/2000 | EP0888248A4 Ballast water de-toxification treatment system for ships |
| 01/19/2000 | EP0822922A4 Water softening apparatus with microprocessor control |
| 01/19/2000 | EP0758922B1 Process for the demineralization of a liquid containing dissolved organic substances and salts |
| 01/19/2000 | CN2359282Y Treatment device for running water |
| 01/19/2000 | CN2359281Y Deep purification device for drinking water |
| 01/19/2000 | CN2359278Y Aqueous solution chlorination device |
| 01/19/2000 | CN2359277Y Treater for running water |
| 01/19/2000 | CN2359276Y Electronic descaling instrument |
| 01/19/2000 | CN2359275Y Electronic descaling apparatus |
| 01/19/2000 | CN2359274Y Corrugated-pipe-type magnetic antiscale and descaling apparatus |
| 01/19/2000 | CN2359273Y Glass fibre reinforced plastic magnetizing water tank |
| 01/19/2000 | CN2359272Y Spiral roll type electric salt remover |
| 01/19/2000 | CN1241537A Water purifying mineral material |
| 01/19/2000 | CN1241536A Method for decomposing and processing organic substance |
| 01/19/2000 | CN1241535A Sea water desalting membrane process |
| 01/19/2000 | CN1241534A Sewage treating adsorption process for alkaline paper-making utilizing non-timber fiber |
| 01/19/2000 | CN1241357A Modified quaternary ammonium salt (3) as germicide and its preparation |
| 01/19/2000 | CN1241356A Modified quaternary ammonium salt (2) as germicide and its preparation |
| 01/18/2000 | US6015706 Microorganism resistant to hydrogen peroxide |
| 01/18/2000 | US6015502 Method for separating hydrocarbons from a fluid stream that includes an aqueous solution, solid particles and microscopic droplets of organic |
| 01/18/2000 | US6015498 Used for dehydrating and/or stabilizing sewerage plant sludge or sludge from surface treatment plants, for detoxifying liquid, semi-liquid or solid media contaminated by heavy metals and the like, and for removing pollutants from |
| 01/18/2000 | US6015486 Dispensing apparatus capable of avoiding variation in dispensed amount and improving a sanitary condition |
| 01/18/2000 | US6015229 Method and apparatus for improved mixing in fluids |
| 01/18/2000 | CA2239925C Fluid treatment system and process |
| 01/18/2000 | CA2079627C Separation of heavy metals from waste water of the titanium dioxide industry |
| 01/18/2000 | CA2024995C Process for on-site treatment of water and apparatus therefor |
| 01/13/2000 | WO2000001653A1 A process for the isolation of aromatic hydroxycarboxylic acids |
| 01/13/2000 | WO2000001626A1 Electrical household appliance for purifying water intermittently |
| 01/13/2000 | WO2000001625A1 Processing unit for an electrical household appliance for purifying water and corresponding household appliance |
| 01/13/2000 | WO2000001624A1 Electrical household appliance for purifying water intermittently or in portions |
| 01/13/2000 | WO2000001622A2 Method and installation for treating waste water from oil seed and cereal processing |
| 01/13/2000 | WO2000001620A1 Method and apparatus for treating liquid with ultrasonic vibrations |
| 01/13/2000 | WO2000001459A1 Small diameter water stable zeolite composite useful as an ion exchange material |
| 01/13/2000 | WO2000001458A1 Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same |
| 01/13/2000 | WO2000001255A1 Condensation induced water hammer driven sterilization |
| 01/13/2000 | DE19931836A1 Inline filter housing, for domestic water treatment |
| 01/13/2000 | DE19830165A1 Separation of poly acid complexing agents from aqueous solution |