| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 06/14/2000 | EP1007810A1 Method for servicing the water of a swimming pool and device for implementing same |
| 06/14/2000 | EP1007482A1 Method and device for purifying waste water comprising an additional sludge treatment by ozonation |
| 06/14/2000 | EP1007480A1 Oxidation of aromatic hydrocarbons |
| 06/14/2000 | EP1007479A1 Foam for absorbing hydrophobic liquids |
| 06/14/2000 | EP1007478A1 Electrochemical processing of liquid such as water |
| 06/14/2000 | EP1007477A1 Sterilizing device for a medium, preferably water |
| 06/14/2000 | EP1007476A1 Desalination through methane hydrate |
| 06/14/2000 | EP1007194A1 Polyion complex separation membrane with a double structure |
| 06/14/2000 | EP1007182A1 Method and plant for treating water incorporating a sedimentation tank and an multilayer filter operating at high speeds |
| 06/14/2000 | EP1007175A1 Improved wastewater treatment apparatus and method |
| 06/14/2000 | EP0991809A4 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product |
| 06/14/2000 | EP0796114A4 Biofilm avoidance and removal process and composition |
| 06/14/2000 | EP0743925B1 Novel compositions and methods for water treatment |
| 06/14/2000 | CN2382716Y Electric condensing waste water treatment device |
| 06/14/2000 | CN2382715Y Jet flow-eddy pump composite dissolved air type air-float machine |
| 06/14/2000 | CN2382457Y Low position vacuum thermal oxygen remover |
| 06/14/2000 | CN1256645A Use of aerogels as adsorption agents |
| 06/14/2000 | CN1256253A Biological acid process for separating lignin from alkaline paper-making black liquor |
| 06/14/2000 | CN1256252A Multielement mineral water and its preparation method and application |
| 06/14/2000 | CN1256251A Chemical and method for treatment of waste water containing heavy metals |
| 06/14/2000 | CN1256250A Water purifying process including micro flocculation of inorganic high-molecular flocculant and direct deep-bed filtration |
| 06/14/2000 | CN1256249A Sterilized water producing and storing apparatus |
| 06/14/2000 | CN1256248A Industrial effluents treating technology including coagulation,opal shale adsorption and filtration processes |
| 06/14/2000 | CN1256247A Comprehensive air floating system for pressure dissolution electrolysis |
| 06/14/2000 | CN1256246A Energy converting water treatment technology and equipment |
| 06/14/2000 | CN1053431C Process and device for treatment of waste water |
| 06/14/2000 | CN1053430C Process for treatment of water |
| 06/13/2000 | US6075022 Methods and compositions for controlling biofouling using thiourea compounds |
| 06/13/2000 | US6074974 Manufacturing method of granulated complex molecular sieve composition having multi-functions |
| 06/13/2000 | US6074565 Beverage storage and dispensing container |
| 06/13/2000 | US6074564 Ozone injection system |
| 06/13/2000 | US6074562 Hydrogen sulfide removal methods |
| 06/13/2000 | US6074557 Water treatment device and method |
| 06/13/2000 | US6074554 Aeration system |
| 06/13/2000 | US6074551 Automatic cleaning system for a reverse osmosis unit in a high purity water treatment system |
| 06/13/2000 | US6074550 Device for indicating the depletion of purifying agent |
| 06/13/2000 | US6074537 Equipment for electochemical collection removal of ions |
| 06/13/2000 | CA2173384C Silica and aluminium sulfate or alum aqueous suspension; process for preparing the same and uses thereof |
| 06/13/2000 | CA2171061C Method, apparatus and system for continuously treating water body |
| 06/11/2000 | CA2285740A1 Method and apparatus for removing toxic substances from waste marine products |
| 06/08/2000 | WO2000033367A1 Wet cleaning apparatus |
| 06/08/2000 | WO2000032882A1 Method of purifying sewage |
| 06/08/2000 | WO2000032521A1 Electrochemical process for removing ions from solution |
| 06/08/2000 | WO2000032520A1 Method for activating water and use of activated water of this type |
| 06/08/2000 | WO2000032519A1 Hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide for the clarification of deinking process waters |
| 06/08/2000 | WO2000032303A1 A process for the recovery of iodine from aqueous solutions containing iodinated organic compounds |
| 06/08/2000 | WO2000032244A1 Steriliser |
| 06/08/2000 | WO2000022887B1 Low-voltage ballast-free energy-efficient ultraviolet material treatment and purification system and method |
| 06/08/2000 | WO2000018691A3 Phosphate removal process |
| 06/08/2000 | WO2000017110A3 Treatment system and method for reducing the oxygen content of the water |
| 06/08/2000 | WO1999048584A9 Filter constructions and methods |
| 06/08/2000 | DE19856376A1 Verfahren zur Herstellung oder Reinigung von Oniumhydroxiden mittels Elektrodialyse A process for the preparation or purification of onium hydroxides by electrodialysis |
| 06/08/2000 | DE19856198A1 Verfahren zur Schwimmbadwasseraufbereitung Method for swimming pool water treatment |
| 06/08/2000 | DE19855881A1 Verfahren zur Aktivierung von Wasser und Verwendung derartig aktivierten Wassers Process for the activation of water and use of such activated water |
| 06/08/2000 | DE19855865A1 Instantaneous determination of chemical oxygen demand of effluent or usable water, by measurement of uptake of highly active oxygen e.g. injected ozone |
| 06/08/2000 | DE19855610A1 Polyester enthaltende Siliconentschäumerzusammensetzungen Polyester containing Siliconentschäumerzusammensetzungen |
| 06/08/2000 | DE19848346A1 Verfahren zum Rückhalten von in Wasser suspendierten, Biomasse bildenden Mikroorganismen in einem Becken Method for retaining suspended in water, biomass-producing microorganisms in a basin |
| 06/08/2000 | DE19838007C2 Einrichtung zum Entkeimen von Wasser, welches eine Sanitäreinrichtung durchströmt Means for sterilizing water which flows through a sanitary facility |
| 06/08/2000 | DE19838006C2 Einrichtung zum Entkeimen von Wasser, welches eine Sanitäreinrichtung durchströmt Means for sterilizing water which flows through a sanitary facility |
| 06/08/2000 | CA2353499A1 Method for activating water and use of activated water of this type |
| 06/08/2000 | CA2351855A1 Hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide for the clarification of deinking process waters |
| 06/08/2000 | CA2350990A1 Method of purifying sewage |
| 06/08/2000 | CA2291507A1 Calcium hardness reducing technology for recycled water of papermill |
| 06/07/2000 | EP1006085A2 Method for treating waters of a swimming pool |
| 06/07/2000 | EP1006084A2 Method for preventing contamination of waters by foreign organisms |
| 06/07/2000 | EP1006083A1 Permanent magnet fluid treatment devise |
| 06/07/2000 | EP1006082A1 Device for producing ion water and partition wall for device for producing ion water |
| 06/07/2000 | EP1005920A2 Process and apparatus for treating process streams from a system for separating constituents from contaminated material |
| 06/07/2000 | EP1005890A1 Silicone defoaming compositions containing polyester |
| 06/07/2000 | EP1005881A1 Method and apparatus for decomposing halogenated aliphatic hydrocarbon compounds or aromatic compounds |
| 06/07/2000 | EP1005594A1 Apparatus for the treatment of rain water |
| 06/07/2000 | EP0966492A4 Crosslinked polymer of vinylpyrrolidone containing a crosslinker having both a pendant divinyl moiety and a chelation group capab le of complexing with heavy metal ions in aqueous solution |
| 06/07/2000 | EP0753122B1 Device for producing and superheating steam, and its use |
| 06/07/2000 | CN2381891Y Desorbing deoxidizer |
| 06/07/2000 | CN2381632Y Ozone disinfecting cabinet for water purifying |
| 06/07/2000 | CN2381631Y Household electrodialytic water purifier |
| 06/07/2000 | CN2381373Y Household filter for water |
| 06/07/2000 | CN1255908A Method and treatment of gaseous discharges of unit mfg. optical-fibre preform for recovering germanium |
| 06/07/2000 | CN1255458A Process and formula for preparing compound aluminium-iron polychloro |
| 06/07/2000 | CN1053166C Electrolytic water producing appts. |
| 06/06/2000 | USH1852 Waste treatment of metal plating solutions |
| 06/06/2000 | US6072025 Salts of polyaspartic acid by high temperature reaction |
| 06/06/2000 | US6071483 Reactor vessel and process for preparing a controlled-dosage chlorine dioxide solution |
| 06/06/2000 | US6071473 Water sterilization system incorporating ultrasonic device |
| 06/06/2000 | US6071418 Manure treatment system |
| 06/06/2000 | US6071417 Method for removing water soluble macromolecular compounds |
| 06/06/2000 | US6071416 Poly N-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions |
| 06/06/2000 | US6071415 Water purification system and removal of halides |
| 06/06/2000 | US6071414 Method for desalinating salts-containing water and apparatus therefor |
| 06/06/2000 | US6071413 Process for removing organic and inorganic contaminants from phenolic stripped sour water employing reverse omosis |
| 06/06/2000 | US6071409 Alkyl tert-amyl ether extractant; separation by use of an aqueous solution of an alkali metal hydroxide to form a phenate in an aqueous phase |
| 06/06/2000 | US6071407 Magnetic separation |
| 06/06/2000 | US6071405 Apparatus for desalting and conditioning water |
| 06/06/2000 | US6071404 Water treating device |
| 06/06/2000 | US6071401 Electrolytic method for purifying gases |
| 06/06/2000 | US6071397 Apparatus for producing deionized water |
| 06/06/2000 | US6071383 Distillator |
| 06/06/2000 | US6070426 Evaporative condensation type ammonia refrigeration unit |
| 06/06/2000 | CA2056820C Process for doping aqueous solutions with acrolein in biocidally active concentrations |
| 06/02/2000 | WO2000030983A1 Electron-emitting device and electron-emitting electrode |