| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/20/2001 | US6202541 Apparatus for making purified water and related drinks |
| 03/20/2001 | CA2237375C Water filter with pressure actuated flow monitor |
| 03/20/2001 | CA2149493C Multiple stage precipitation of heavy metals from acidic aqueous solution |
| 03/15/2001 | WO2001018602A1 Method to extract silver from a photographic developer |
| 03/15/2001 | WO2001018456A1 Apparatus and method for treatment of air |
| 03/15/2001 | WO2001018077A1 Microbicidal additives |
| 03/15/2001 | WO2001017917A1 Method for treating waste water in a biological sewage plant and device appropriate therefor |
| 03/15/2001 | WO2001017915A1 A high pressure and high temperature reaction system |
| 03/15/2001 | WO2001017914A1 Anionic and nonionic dispersion polymers for clarification and dewatering |
| 03/15/2001 | WO2001017912A1 Method for conditioning slurry, liquid manor, human faeces that are collected in chemical toilets (portable toilets) or the like |
| 03/15/2001 | WO2001017911A1 Method for the treatment of sewage sludge, liquid manure or the like by electrofloatation |
| 03/15/2001 | WO2001017910A1 Hand portable water purification system |
| 03/15/2001 | WO2001017909A1 Apparatus for preparing sterilizing water and process for sterilizing water |
| 03/15/2001 | WO2001017908A1 Device for electrolysis |
| 03/15/2001 | WO2001017907A1 Optical radiation sensor device and use in a radiation source module |
| 03/15/2001 | WO2001017906A1 Fluid treatment system, radiation source assembly and radiation source module |
| 03/15/2001 | WO2001017666A1 A process for the removal of organic substances (toc), pesticides, or other substances from a salt solution |
| 03/15/2001 | WO2001017660A2 System filter for pond water or the like |
| 03/15/2001 | WO2001017648A1 Nanopore reactive adsorbents for the high-efficiency removal of waste species |
| 03/15/2001 | WO2000074187A9 Ozone generating apparatus |
| 03/15/2001 | WO2000043322A8 Sludge density measurement for controlling a sludge treatment stage |
| 03/15/2001 | WO2000033929A3 Removable filters and water heating vessels incorporating such |
| 03/15/2001 | DE19943232A1 Solvent extraction of substance containing chromium from aqueous waste liquor, e.g. from tanning or electroplating, uses phosphate ester or amine as carrier for trivalent or hexavalent chromium respectively |
| 03/15/2001 | DE19942188A1 Systemfilter für Teichwasser o. dgl. System filter for pond water o. The like. |
| 03/15/2001 | DE19942184A1 Verfahren zur Behandlung von Abwasser in einer biologischen Kläranlage und dafür geeignete Vorrichtung A method for treating wastewater in a biological sewage treatment plant and apparatus therefor |
| 03/15/2001 | DE10040416A1 Waste water treatment plant removes phosphor compounds by coagulation |
| 03/15/2001 | DE10004045A1 Treatment of chemical toilet effluent by electro-floatation and sedimentation reducing disposal costs |
| 03/15/2001 | CA2384531A1 Antimicrobial additives |
| 03/15/2001 | CA2384462A1 Hand portable water purification system |
| 03/15/2001 | CA2383719A1 Optical radiation sensor device and use in a radiation source module |
| 03/15/2001 | CA2282223A1 Process for treating waste water |
| 03/14/2001 | EP1083154A2 Water treatment method and apparatus |
| 03/14/2001 | EP1082728A1 Method for reducing the level of radioactivity of a metal part |
| 03/14/2001 | EP1082269A1 Physical liquid treatment device |
| 03/14/2001 | EP1082268A1 Ultraviolet treatment for aqueous liquids |
| 03/14/2001 | EP0958055A4 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions |
| 03/14/2001 | EP0894030B1 Process and apparatus for treating process streams from a system for separating constituents from contaminated material |
| 03/14/2001 | CN2423276Y Two-flowage water softener |
| 03/14/2001 | CN2423275Y Two-stroke in exchanger |
| 03/14/2001 | CN2423274Y Multifunction water purifier |
| 03/14/2001 | CN2422912Y Multifunction solar-energy water dispenser |
| 03/14/2001 | CN1287562A Modified polystyrene spherical resin and process for decontaminating waste water by using the same |
| 03/14/2001 | CN1287540A Method and installation for treating waste water from oil seed and cereal processing |
| 03/14/2001 | CN1287539A Rapid coagulation-flocculation and sedimentation type waste water treatment method |
| 03/14/2001 | CN1287204A Assembly type vacuum drainage system |
| 03/14/2001 | CN1287101A Raw refuse treatment system |
| 03/14/2001 | CN1287100A Sea water evaporating water-producing apparatus |
| 03/14/2001 | CN1063223C Wine magnetism treating process and its apparatus |
| 03/14/2001 | CN1063158C Composite circulating water treating system |
| 03/13/2001 | US6201355 Lamp for generating high power ultraviolet radiation |
| 03/13/2001 | US6200545 Cyanide recovery by solvent extraction |
| 03/13/2001 | US6200529 Corrosion inhibition method suitable for use in potable water |
| 03/13/2001 | US6200488 Water bottle cap |
| 03/13/2001 | US6200487 Device for chemically treating water within pool intended to be positioned intermediate automatic swimming pool cleaner and either inlet or outlet of pool filtration system, thus cooperating with pool cleaner |
| 03/13/2001 | US6200486 Decontamination using submerged liquid jets which trigger cavitation events that drive chemical reactions by generating strong oxidants and reductants, efficiently decomposing and destroying contaminants |
| 03/13/2001 | US6200484 Apparatus utilizing sump tank insert sized to fit existing catch basin, wherein run-off flowing into system goes through three filters: grate overlying inlet to catch basin, screen trapping solids that flow past grate, filter media |
| 03/13/2001 | US6200483 Structured materials for purification of liquid streams and method of making and using same |
| 03/13/2001 | US6200482 Arsenic filtering media |
| 03/13/2001 | US6200473 In-transit water treatment system |
| 03/13/2001 | US6200471 Bottle specialty water filters |
| 03/13/2001 | US6200468 Aeration system apparatus with source of in situ cleaning agent and pressure monitoring connection for submerged diffuser |
| 03/13/2001 | US6200466 Decontamination of water by photolytic oxidation/reduction utilizing near blackbody radiation |
| 03/13/2001 | US6200449 Water treating apparatus with electro-chemistry process |
| 03/13/2001 | US6200448 Introducing hexahydrated nickel sulfate and monohydrated sodium hypophosphite solutions into each of two dilution circuits of four compartment electrodialysis cells formed by cationic and anionic membranes, applying electric current |
| 03/13/2001 | US6200434 Apparatus for producing electrolytic water |
| 03/13/2001 | US6200428 Wastewater treatment apparatus and method |
| 03/13/2001 | US6199395 Condensate handling assembly and method |
| 03/13/2001 | CA2169248C Automatic chemical monitor and control system for swimming pools |
| 03/13/2001 | CA2154472C Fluid treatment device and method |
| 03/13/2001 | CA2027554C Method for absorbing pollutant organic products |
| 03/08/2001 | WO2001016536A1 A condensate handling assembly and method |
| 03/08/2001 | WO2001016493A1 Double cone for generation of a pressure difference |
| 03/08/2001 | WO2001016185A1 Polymerizate composition and a method for producing the same |
| 03/08/2001 | WO2001016082A2 Purification of aromatic diacids |
| 03/08/2001 | WO2001016036A2 Water treatment systems and methods |
| 03/08/2001 | WO2001016033A1 Purified, alkaline water rich in minerals and process for preparing the same |
| 03/08/2001 | WO2001016032A1 Method for detoxicating harbour silt |
| 03/08/2001 | WO2001016031A2 Method of producing hydroxyl radicals for chemical reactions |
| 03/08/2001 | WO2001016030A1 System for operation of multiple membrane filtration assemblies |
| 03/08/2001 | WO2001016029A1 Portable purification system |
| 03/08/2001 | WO2001016028A1 Cooling apparatus for making drinkable water |
| 03/08/2001 | WO2001015826A1 Sewage treatment apparatus |
| 03/08/2001 | WO2001015806A1 Method and installation for eliminating metal cations from a liquid with polyazacycloalkane resins grafted on a support |
| 03/08/2001 | WO2001015801A1 Fluid treatment device |
| 03/08/2001 | WO2001015792A1 Ion-removal from water using activated carbon electrodes |
| 03/08/2001 | WO2001015554A1 Metal-containing compositions, preparations and uses |
| 03/08/2001 | WO1999061647A9 Electrodialysis methods for purification and recovery of gluconic acid derivatives |
| 03/08/2001 | DE19942431A1 Cold soda water maker for domestic use includes evaporator casing with water supply line fixed to its exterior, surrounding carbonation container |
| 03/08/2001 | DE19942347A1 Electrochemically-regeneratable ion-exchanger for use in water purification comprises a conductive electrode coated with a conductive polymer |
| 03/08/2001 | DE19942227A1 Making demineralized water drinkable by passing it through bed of natural or synthetic materials which is preferably in layer form |
| 03/08/2001 | DE19922535A1 Vorrichtung zur Waschwasserenthärtung Apparatus for softening of washing water |
| 03/08/2001 | DE19920269A1 Reduction of amount of overflow sludge from clarifying or settling plant by direct ozonization of the biological activation stages |
| 03/08/2001 | CA2384095A1 Water treatment systems and methods |
| 03/08/2001 | CA2383513A1 Method of producing hydroxyl radicals for chemical reactions |
| 03/08/2001 | CA2383346A1 Purification of aromatic diacids |
| 03/08/2001 | CA2382851A1 Polymerizate composition and a method for producing the same |
| 03/08/2001 | CA2382449A1 Metal-containing compositions, preparations and uses |
| 03/07/2001 | EP1081717A1 Method for treating radioactive waste |
| 03/07/2001 | EP1081298A2 Modular vacuum drainage system |
| 03/07/2001 | EP1081100A1 Waste water treatment apparatus |