| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 09/26/2000 | US6123981 Conservation of orthophosphate waste for preparing an animal feed supplement |
| 09/26/2000 | US6123954 Such as wash water of a photoprocessing system, by placing in the wash water an apparatus comprisising a pump having attached a permeable container holding biocide immobilized on a support, such that wash water is pumped through container |
| 09/26/2000 | US6123870 Stable oxidizing bromine formulations, method of manufacture and uses thereof for biofouling control |
| 09/26/2000 | US6123854 Flocculant compositions and water treatment method using the same |
| 09/26/2000 | US6123853 Method for treating waste water used in alkali metal hydroxide manufacturing processes |
| 09/26/2000 | US6123852 Fixed-bed adsorber containing activated carbon. |
| 09/26/2000 | US6123851 Process for treating semiconductor fabrication reclaim |
| 09/26/2000 | US6123843 Water treatment system |
| 09/26/2000 | US6123842 Dispensing of water treatment substances |
| 09/26/2000 | US6123839 Automatic fluid dispensing system |
| 09/26/2000 | US6123838 Carbon purified water can then be safely and economically disposed of without harming the environment. |
| 09/26/2000 | US6123837 Faucet mounted water filter |
| 09/26/2000 | US6123813 Electrostatic treating apparatus |
| 09/26/2000 | US6123750 For removing radon and other volatile compounds from a water from wells or other liquid source |
| 09/21/2000 | WO2000055099A1 A lid for a liquid container |
| 09/21/2000 | WO2000055098A1 Method and apparatus for treating leach fields |
| 09/21/2000 | WO2000055097A1 Method and apparatus for treatment of organic matter-containing wastewater |
| 09/21/2000 | WO2000055096A1 Method and apparatus for uv-oxidation of toxics in water and uv-disinfection of water |
| 09/21/2000 | WO2000055095A1 Device for the uv radiation of liquids |
| 09/21/2000 | WO2000055094A1 Method and device for decreasing, or restricting multiplication of, algae in eutrophicated lakes and ponds |
| 09/21/2000 | WO2000054881A1 Improvements in and relating to complexants |
| 09/21/2000 | WO2000054817A1 Method and apparatus for destroying microorganisms in liquid systems |
| 09/21/2000 | DE19912560A1 Water aerating apparatus comprises support tube fixed in holder and fitted with rubber sleeve with narrow slits between which air under pressure is fed, sleeves being attached to support tube by clips |
| 09/21/2000 | DE19912109A1 Verfahren zum Reinigen, Entkeimen u. Anreichern von Wasser mit Sauerstoff A method of cleaning, disinfection and. Enriching water with oxygen |
| 09/21/2000 | DE19911746A1 Diamantelektroden Diamond electrodes |
| 09/21/2000 | DE19910298A1 Verfahren sowie Anlage zum Entwässern von Schlamm Method and system for dewatering sludge |
| 09/21/2000 | DE19910211A1 Verfahren zur Behandlung eines Salze enthaltenden wäßrigen Abfallstroms A process for treating a salt-containing aqueous waste stream |
| 09/21/2000 | DE19908203A1 Recovery of silver and other useful products from photographic waste liquor concentrate involves oxidizing organic compounds with concentrated sulfuric and nitric acids and working up |
| 09/21/2000 | CA2367911A1 Method and apparatus for treatment of organic matter-containing wastewater |
| 09/20/2000 | EP1037045A2 Quick acting toxic ammonia test for aqueous samples |
| 09/20/2000 | EP1036874A2 Cell for bleaching and disinfecting and use of this cell in laundry washing machines |
| 09/20/2000 | EP1036861A1 Diamond coated electrodes |
| 09/20/2000 | EP1036770A1 Waste water treatment plant |
| 09/20/2000 | EP1036769A1 Apparatus for electrolytic treatment of water or aqueous solutions |
| 09/20/2000 | EP1036768A1 Process to clean, disinfect and enrich wastewater with oxygen |
| 09/20/2000 | EP1036759A1 Ozone purification |
| 09/20/2000 | EP1036758A1 Ozone purification |
| 09/20/2000 | EP1036593A1 Titanium dioxide photocatalyst with Fe3+ ions added thereon |
| 09/20/2000 | EP1036109A1 Biosorbents and process for producing the same |
| 09/20/2000 | EP1036039A1 Method for liberating, in aqueous phase, substances which are impossible or difficult to biodegrade from a compounded material which is not soluble in water |
| 09/20/2000 | EP1036038A1 Method for deferrization of ferruginous mineral water rich in carbon dioxide |
| 09/20/2000 | EP1036037A1 Chemical modification of electrochemically activated water |
| 09/20/2000 | EP1036036A1 Treatment of phosphating waste water |
| 09/20/2000 | EP1035908A1 Automatic dry granular chemical dispenser |
| 09/20/2000 | EP1035874A1 Water sterilization system incorporating ultrasonic device |
| 09/20/2000 | CN2397107Y Domestic drinking water filter |
| 09/20/2000 | CN2397106Y Flange for electronic water treatment device |
| 09/20/2000 | CN2397105Y Whole course vortex flow electronic water treatment device |
| 09/20/2000 | CN2397104Y Sterilizing water and health-care water generator |
| 09/20/2000 | CN2397103Y Hard water softening device controlled by microcomputer |
| 09/20/2000 | CN2397102Y Equal gap packed bed electric dialyzer |
| 09/20/2000 | CN2397101Y Fully automatic domestic water purifier |
| 09/20/2000 | CN2397100Y Water treatment device using plasma |
| 09/20/2000 | CN2397099Y 净水器 Water Purifier |
| 09/20/2000 | CN2396746Y Magnetizing spray head for sanitary bathing equipment |
| 09/20/2000 | CN1266822A Polyaluminium chloride and polyacrylamide compounded efficient flocculant and its preparing process |
| 09/20/2000 | CN1266821A Polyaluminium chloride and chitin compounded efficient flocculant and its preparing process |
| 09/20/2000 | CN1266820A Process for treating industrial sewage containing nitrobenzenes compounds by adsorption method |
| 09/20/2000 | CN1266819A Flocculant of polyiron chloride prepared from waste hydrochloric acid as pickling liquid of iron and steel and its preparing process |
| 09/20/2000 | CN1266818A Process for preparing high-concentration stable polyiron chloride |
| 09/19/2000 | US6121507 Method for treating wastewater containing hazardous matter using electron beam irradiation |
| 09/19/2000 | US6121179 Supercritical treatment of adsorbent materials |
| 09/19/2000 | US6120985 Pressure-enhanced extraction and purification |
| 09/19/2000 | US6120812 Treating foodstuff or locus of foodstuff with bacterially-effect amount of iodinated ice containing dissolved molecular iodine and hypoiodous acid, which is made by dissolving solid iodine into water without potassium iodide as solubilizer |
| 09/19/2000 | US6120698 Balanced water purification composition |
| 09/19/2000 | US6120692 Use of metal dithiolene complexes in selective olefin recovery (law760) |
| 09/19/2000 | US6120691 Water purification system |
| 09/19/2000 | US6120690 Clarification of water and wastewater |
| 09/19/2000 | US6120689 High purity water using triple pass reverse osmosis (TPRO) |
| 09/19/2000 | US6120688 Portable reverse osmosis unit for producing drinking water |
| 09/19/2000 | US6120686 Water treatment device with drinking water filter, regeneration device and process for treatment of drinking water |
| 09/19/2000 | US6120685 Water filtering system with replaceable cartridge for a refrigerator |
| 09/19/2000 | US6120673 Method and device for regenerating tin-plating solutions |
| 09/19/2000 | US6120668 Apparatus for preparing hexagonal water |
| 09/19/2000 | US6120659 Dimensionally stable electrode for treating hard-resoluble waste water |
| 09/19/2000 | US6120651 Blowing hot steam to heat and froth aqueous mixture containing diluent water, cyclone separation, recovering hot liquid phase and steam vapor phase which is subsequently compressed and recycled to mixture frothing step |
| 09/19/2000 | US6120614 Recovering contaminated washing fluids after use, separating light and heavy impurities, reuse of fluids |
| 09/19/2000 | US6120194 Photographic liquids effluent discharge |
| 09/19/2000 | US6120008 Oxygenating apparatus, method for oxygenating a liquid therewith, and applications thereof |
| 09/19/2000 | CA2300471A1 Improved distillation apparatus |
| 09/19/2000 | CA2166856C Water purification process and its apparatus |
| 09/19/2000 | CA2079282C Composition and method for dehalogenation and degradation of halogenated organic contaminants |
| 09/17/2000 | CA2300775A1 Method and apparatus for uv-oxidation of toxics in water and uv-disinfection of water |
| 09/16/2000 | CA2300785A1 Quick acting toxic ammonia test for aqueous samples |
| 09/14/2000 | WO2000054358A1 Production of tubular fuel cells, fuel cell modules, base elements and ion exchanger membranes |
| 09/14/2000 | WO2000053851A1 A device for absorbing oil from water |
| 09/14/2000 | WO2000053535A1 Recovery and utilization of the sludges contained in waste waters from the ceramic industry |
| 09/14/2000 | WO2000053533A1 Method for treating an aqueous waste stream containing salts |
| 09/14/2000 | WO2000053532A1 Retention system |
| 09/14/2000 | WO2000053531A1 Utilization of porphyrin derivatives in aquaria |
| 09/14/2000 | WO2000053284A1 Process for removing hydrocarbons from a liquid mixture with a regenerable filter |
| 09/14/2000 | WO2000035588B1 Method and production plant for the manufacture of fibrous material |
| 09/14/2000 | DE19910639A1 Ozonization reactor for treating liquids, e.g. water, includes an ozone-generating electrolysis cell and an immersion pump and/or vacuum injector for recycling ozone |
| 09/14/2000 | DE19910561A1 Verwendung von Porphyrinderivaten in Aquarien Use of porphyrin derivatives in aquariums |
| 09/13/2000 | EP1035077A1 Process and apparatus for the dewatering of sludge |
| 09/13/2000 | EP1035076A2 Method for the treatment of water containing suspended or dissolved organic and/or inorganic matter by precipitation in situ of oxygenised compounds of titanium |
| 09/13/2000 | EP1034835A1 Method of cleaning solid/liquid separation element and solid/liquid separation apparatus |
| 09/13/2000 | EP1034833A2 Polarity reversal and double reversal electrodeionization apparatus and method |
| 09/13/2000 | EP1034691A1 Non-thermionic ballast-free energy-efficient light-producing gas discharge system and method |
| 09/13/2000 | EP1034177A1 Process for producing halogen-containing phosphate ester |