| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/17/2001 | CN1060746C Sewege high degree treating device for soil against blocking |
| 01/16/2001 | US6174950 Concentrated aqueous dispersions of water-soluble polymers |
| 01/16/2001 | US6174445 Treatment of water with polynucleate metal hydroxide compounds |
| 01/16/2001 | US6174444 Ph of the effluent is increased by dissolving metallic ions e.g. of zinc into the effluent, and the metallic ions are allowed to react with contaminants, such as sulphates or phosphates in the effluent, to form a complex |
| 01/16/2001 | US6174437 Water treatment system |
| 01/16/2001 | US6174435 Device for clarifying a charged liquid by flotation |
| 01/16/2001 | US6174434 Three zone dissolved air floatation clarifier with fixed lamellae and improved paddle-and-ramp sludge removal system |
| 01/16/2001 | US6174433 Household wastewater purification system |
| 01/16/2001 | US6174419 Electrolytic water producing apparatus |
| 01/16/2001 | US6174107 Device for creation of an oxidation and precipitation zone or a reduction zone in an aquifer |
| 01/16/2001 | US6173527 Method for treatment of top soil of a field with ozone gas to increase growth of plants |
| 01/16/2001 | CA2116439C Method of separating oleophilic-hydrophobic material from wash water |
| 01/16/2001 | CA2088904C Oscillating chemical reaction |
| 01/16/2001 | CA2086752C Substance carrying conglomerate |
| 01/16/2001 | CA2078322C Process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acid |
| 01/16/2001 | CA2074065C Low-speed septic tank sludge dewatering apparatus |
| 01/15/2001 | CA2277540A1 Flotational clean-up of running water |
| 01/14/2001 | CA2313891A1 Wastewater treatment |
| 01/14/2001 | CA2313886A1 Process for the elution of fluorinated emulsifiers |
| 01/11/2001 | WO2001002626A1 Electrode |
| 01/11/2001 | WO2001002310A1 Method and arrangement for purification of water |
| 01/11/2001 | WO2001002309A1 Method and device for the purification of wastewaters |
| 01/11/2001 | WO2001002305A1 Treatment of aqueous aldehyde waste streams |
| 01/11/2001 | WO2001002303A1 Liquid treatment agents |
| 01/11/2001 | WO2001002302A1 Method for the inactivation of cryptosporidium parvum and giardia cysts using ultraviolet light |
| 01/11/2001 | WO2001002301A1 Water supply unit |
| 01/11/2001 | WO2001002105A1 Soil and/or groundwater remediation process |
| 01/11/2001 | WO2001001833A1 Shower head with water purification function |
| 01/11/2001 | DE19932268A1 Environmentally friendly combined processes for purifying and recycling waste water from washing processes make use of UV irradiation and filtering with no addition of chemicals |
| 01/11/2001 | DE19932034A1 Precipitation of trivalent anions, e.g. in separation of silver from spent fixing baths, is effected using peralkylated triamines such as permethylated diethylenetriamine |
| 01/11/2001 | DE19929213A1 Sea water desalination heat-medium set higher providing higher yield of pure water in relation to energy input |
| 01/11/2001 | DE19925601A1 Recovery of uranium- and heavy metal-compounds from radioactive ground water by bonding with pre-treated activated carbon in an underground barrier |
| 01/11/2001 | CA2377825A1 Method and arrangement for purification of water |
| 01/11/2001 | CA2372427A1 Method for the inactivation of cryptosporidium parvum and giardia cysts using ultraviolet light |
| 01/10/2001 | EP1067219A1 Microfiltration process |
| 01/10/2001 | EP1067095A1 A method for the manufacture of ferric sulfate solution and a water treatment agent using the same |
| 01/10/2001 | EP1066887A1 Potted transducer array with matching network in a multiple pass configuration |
| 01/10/2001 | EP1066305A2 Sucrose-n-alkyl-asparaginates, production and use thereof |
| 01/10/2001 | EP1066101A1 Twin columns for frontal chromatographic decontamination |
| 01/10/2001 | EP1015090A4 Flowmeter system useable with water treatment device |
| 01/10/2001 | EP0948463B1 Apparatus for the biological purification of waste water |
| 01/10/2001 | EP0808179B1 Device and process for the sterilization of waste water |
| 01/10/2001 | CN2414068Y High field strength electronic water treatment electrode |
| 01/10/2001 | CN2414067Y Automatic water storage purifier |
| 01/10/2001 | CN2414066Y All plastics water gas tank |
| 01/10/2001 | CN2414065Y Reverse osmosis magnetized water purifier |
| 01/10/2001 | CN2414064Y Gas dissolving pipe |
| 01/10/2001 | CN1279652A Process for removing selenium from refinery process water and wastewater streams |
| 01/10/2001 | CN1279651A Process and apparatus for electrocogulative treatment of industrial waste water |
| 01/10/2001 | CN1279650A Ultra-purity water producing apparatus by high temperature process and chemical liquid preparing system including the same |
| 01/10/2001 | CN1279212A Process and equipment for treating sewage with lime |
| 01/10/2001 | CN1279191A Small seawater desalimating equipment for ship |
| 01/10/2001 | CN1060551C Reusing device for washing waste water |
| 01/09/2001 | US6171563 Supported liquid membrane process for chromium removal and recovery |
| 01/09/2001 | US6171551 Sterilization or disinfection of medical and pharmaceutical equipment. |
| 01/09/2001 | US6171508 Means for deoxygenating in a second space ballast water containing aerobic microorganisms by agitating under vacuum; means for moving deoxygenated water to third space; sealing third space for a time to kill non-indigenous microorganisms |
| 01/09/2001 | US6171506 Thickening of aqueous mineral suspensions |
| 01/09/2001 | US6171505 Higher actives dispersion polymer to aid clarification, dewatering, and retention and drainage |
| 01/09/2001 | US6171504 Magnetic water or fluid treatment system is provided, consisting of strong magnets arranged in a specific spacial and polar orientation with respect to each other to form a device for mounting on fluid carrying pipes; reduces scale |
| 01/09/2001 | US6171503 Use of tetraphenyloborate for extraction of ammonium ions and amines from water |
| 01/09/2001 | US6171498 Upflow water clarifier with central pier |
| 01/09/2001 | US6171496 Made from a plurality of semipermeable hollow fibers treated with a non-metallic antimicrobial agent, and a microporous filter medium wrapped around said hollow fibers; use in reverse osmosis, microfiltration |
| 01/09/2001 | US6171490 Water purifier with a rotating magnet |
| 01/09/2001 | US6171488 Fluid conditioning system |
| 01/09/2001 | US6171485 Process for producing a chlorine dioxide-containing disinfectant solution for water treatment |
| 01/09/2001 | US6171480 Automated closed recirculating aquaculture filtration system |
| 01/09/2001 | US6171469 Oxygen dissolved in water, electrolytic cell coupling, tanks, pumps and timer circuits |
| 01/09/2001 | US6170564 Room temperature cure antimicrobial coating that demonstrates a balance of properties includes low dissolution and good cohesion and adhesion |
| 01/09/2001 | CA2056379C Biocidal methods and compositions for recirculating water systems |
| 01/04/2001 | WO2001001126A2 Detectors and their use |
| 01/04/2001 | WO2001000536A1 Process and apparatus for treating solid waste slurry |
| 01/04/2001 | WO2001000535A1 Method and apparatus for the removal of harmful substances from various objects or materials |
| 01/04/2001 | WO2001000534A1 Process for the treatment of a waste water |
| 01/04/2001 | WO2001000533A1 Method and device for distilling a liquid substance from a solution, especially for the purpose of desalination of seawater |
| 01/04/2001 | WO2001000525A1 Corona discharge ozone generator with insulator-coated conductors |
| 01/04/2001 | WO2001000507A1 Preparation and metering of components mixed with co¿2? |
| 01/04/2001 | WO2001000506A1 Method for the preservation and dispensing of readily degradable substances |
| 01/04/2001 | WO2001000322A1 Immobilized photocatalyst |
| 01/04/2001 | WO2001000305A1 Water treatment apparatus |
| 01/04/2001 | WO2001000250A1 Method and apparatus for using ozone to sanitize household objects |
| 01/04/2001 | WO2001000030A1 Method for preparation of biocides mixed with carbon dioxide in a pressurised container |
| 01/04/2001 | WO2001000029A1 N-chlorosulfamate compositions having enhanced antimicrobial efficacy |
| 01/04/2001 | DE19929579A1 Verfahren und Vorrichtung zum Einstellen von pH·+·-Werten und Redoxpotentialen von Flüssigkeiten mittels Elektrolyse Method and apparatus for adjusting the pH and redox potential values + · · liquids by means of electrolysis |
| 01/04/2001 | DE19927907A1 One stage high density sludge purification of acidic waste water from mining operations to remove uranium, iron, sulfate ions and other impurities |
| 01/04/2001 | DE19925471A1 Treatment of waste water from an electrolytic bath using reverse osmosis and selective ion-exchange to allow metal recovery |
| 01/04/2001 | DE10009949A1 Drinking water treatment assembly minimizes health risks close to the point of delivery from water with a long residence time in supply pipes |
| 01/03/2001 | EP1065172A1 Method for treating waste waters |
| 01/03/2001 | EP1065171A1 Water with high polarity |
| 01/03/2001 | EP1065170A1 Process and apparatus for electrolytically adjusting the ph and the redox-potential of fluids |
| 01/03/2001 | EP1064987A1 Method of making supersaturated oxygenated liquid |
| 01/03/2001 | EP1064986A1 Composite semipermeable membrane, process for producing the same, and method of purifying water with the same |
| 01/03/2001 | EP1064230A1 Use of tetraphenylborate for extraction of ammonium ions and amines from water |
| 01/03/2001 | EP1064229A1 Rapid coagulation-flocculation and sedimentation type waste water treatment method |
| 01/03/2001 | EP1064228A1 Process and apparatus for electrocoagulative treatment of industrial waste water |
| 01/03/2001 | EP1064227A1 METHOD FOR REPROCESSING WASTE ACID RESULTING FROM TiO 2? PRODUCTION |
| 01/03/2001 | EP1064226A1 METHOD FOR PRODUCING IRON OXIDE PIGMENTS FROM WASTE ACID RESULTING FROM TiO 2? PRODUCTION |
| 01/03/2001 | EP1064070A1 Improvements to solid-liquid separating equipment in particular for biological purification of waste water |
| 01/03/2001 | EP1064069A1 Composite filter medium and fluid filters containing same |
| 01/03/2001 | EP1064067A1 Faucet mounted water filter |
| 01/03/2001 | EP1064063A1 Bacteria limiting water treatment and storage systems and methods |