| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/13/1994 | DE4214169A1 Waste water neutralising assembly |
| 01/12/1994 | EP0578347A1 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 01/12/1994 | EP0578259A1 Process for recovering high boiling point components from wastewater |
| 01/12/1994 | EP0578147A1 Modular element for absorbing oily substances from surfaces of water bodies and purification system using such elements |
| 01/12/1994 | EP0578039A1 Method for the treatment of oil-in-water emulsions |
| 01/12/1994 | EP0578032A2 Sewage treatment plant working process and device for injecting phosphates precipitation products |
| 01/12/1994 | EP0578006A1 Method for purifying water in a washing machine |
| 01/12/1994 | EP0577948A2 Plant for separating floating and/or suspended matters from contaminated waste waters |
| 01/12/1994 | EP0577871A1 Method for treating a liquid medium |
| 01/12/1994 | EP0471720B1 Water repellent fabric containing an absorbing agent for collecting at the water surface non miscible fluid substances |
| 01/12/1994 | CN2153195Y Electrothermic water-magnetizing apparatus for thermos |
| 01/12/1994 | CN2152797Y Efficient inclined-tube precipitation tower for heavy metal ion waste water |
| 01/12/1994 | CN2152796Y Rotational flow type efficient strong field water magnetizer |
| 01/12/1994 | CN2152795Y Powerful health water sucking device |
| 01/12/1994 | CN2152794Y Dynamic multipolar strong field magnetizing tube |
| 01/12/1994 | CN2152793Y Split-flow water magnetizer |
| 01/12/1994 | CN2152792Y Concentrated -and polar-water reusing equipment for electrodialysis device |
| 01/12/1994 | CN2152791Y Miniature electronic water treater |
| 01/12/1994 | CN2152790Y Domestic solar desalination device |
| 01/12/1994 | CN2152788Y Seawater evaporator |
| 01/12/1994 | CN2152539Y In-water strong magnetic irrigator |
| 01/12/1994 | CN2152486Y Magnetic hand device for cleaning genitals |
| 01/12/1994 | CN2152480Y Multifunctional automatic heater for boiling drinking water |
| 01/12/1994 | CN2152470Y Multifunctional health kettle |
| 01/12/1994 | CN2152462Y Multipurpose magnetic tableware |
| 01/12/1994 | CN1080619A Jet removing oxygen device |
| 01/11/1994 | US5278074 Method of monitoring and controlling corrosion inhibitor dosage in aqueous systems |
| 01/11/1994 | US5277869 Process and system for biologically neutralizing waste material |
| 01/11/1994 | US5277815 In situ biodegradation of groundwater contaminants |
| 01/11/1994 | US5277805 Rechargeable water filter |
| 01/11/1994 | US5277803 Water clarification method and apparatus |
| 01/11/1994 | US5277802 Dual cartridge filter employing pH control |
| 01/11/1994 | US5277775 System for treatment of photographic wastewater effluent |
| 01/11/1994 | CA1326079C Process for conditioning and dewatering sludges |
| 01/11/1994 | CA1326007C Supported heteropolycyclic compounds in the separation and removal of late transition metals |
| 01/11/1994 | CA1326006C Particulate material suitable for selectively separating metal cations from aqueous solutions, process for its production, and use thereof |
| 01/11/1994 | CA1325950C Biocidal compositions and use thereof containing a synergistic mixture of 2-(decylthio)ethanamine hydrochloride and a mixture of 5-chloro-2-methyl-4-isothazolin-3-one and 2-methyl- 4-isothazolin-3-one |
| 01/11/1994 | CA1325948C Biocidal compositions and use thereof containing a synergistic mixture of 2-(decylthio)ethanamine hydrochloride and n-alkyl dimethyl benzyl ammonium chloride |
| 01/11/1994 | CA1325947C Biocidal compositions and use thereof containing a synergistic mixture of 2-(decylthio)ethanamine hydrochloride and 2,2-dibromo-3-nitrilo propionamide |
| 01/07/1994 | CA2099815A1 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 01/06/1994 | WO1994000861A1 Capacitive discharge control circuit for use with electrolytic fluid treatment systems |
| 01/06/1994 | WO1994000860A1 Fluid treatment system employing electrically reconfigurable electrode arrangement |
| 01/06/1994 | WO1994000394A1 Process for recovering inorganic coagulants from water or waste water treatment sludges |
| 01/06/1994 | WO1994000393A1 Materials handling and separation method for wastewater |
| 01/06/1994 | WO1994000391A1 Process for the removal of phosphorous |
| 01/06/1994 | WO1994000390A1 Coagulant |
| 01/06/1994 | WO1994000389A1 Desensitization process for energetic compositions with regeneration of reagents |
| 01/06/1994 | WO1994000388A1 Process for lowering the phosphorus content of waste water |
| 01/06/1994 | WO1994000387A1 Device for irradiating water with ultra-violet rays |
| 01/06/1994 | WO1994000380A1 System for energy storage, hydrogen production and the manufacture of methanol for abating of greenhouse gases |
| 01/06/1994 | WO1994000237A1 Ion exchange resin |
| 01/06/1994 | WO1994000223A1 A nozzle |
| 01/06/1994 | WO1994000216A1 Passive circulation in electrolytic fluid treatment systems |
| 01/06/1994 | CA2138760A1 Ion exchange resin |
| 01/06/1994 | CA2138653A1 A nozzle |
| 01/06/1994 | CA2138259A1 Process for the removal of phosphorous |
| 01/06/1994 | CA2138165A1 Fluid treatment system employing electrically reconfigurable electrode arrangement |
| 01/06/1994 | CA2138162A1 Passive circulation in electrolytic fluid treatment systems |
| 01/06/1994 | CA2138046A1 Capacitive discharge control circuit for use with electrolytic fluid treatment systems |
| 01/06/1994 | CA2115353A1 Process for lowering the phosphorous content of waste water |
| 01/05/1994 | EP0577563A1 Method and apparatus for the removal of residues of chlorinated solvent from contact waters formed during the drying stage in machines for the dry-cleaning of garments |
| 01/05/1994 | EP0577475A1 Ozone purification process, especially for the production of potable water; installation for carrying it out |
| 01/05/1994 | EP0577070A1 Artificial sea-water |
| 01/05/1994 | EP0577031A1 Method for gasifying and disinfection and device for simultaneously carrying out |
| 01/05/1994 | EP0577026A2 Filtration method and filter device |
| 01/05/1994 | EP0576752A1 Water purifying system |
| 01/05/1994 | EP0576624A1 Discharge valve for dissolved air flotation |
| 01/05/1994 | EP0576563A1 Batch liquid purifier |
| 01/05/1994 | EP0576489A1 Magnetic water activating process and apparatus for reducing corrosion and lime deposits from flowing water. |
| 01/05/1994 | EP0576467A1 Distillation. |
| 01/05/1994 | EP0438568B1 Process for in situ decontamination of subsurface soil and groundwater |
| 01/05/1994 | DE4307046A1 Car wash water cleaner - has container and sepn. systems to recirculate water without sludge basins and purificn. plant |
| 01/05/1994 | DE4227238C1 Sewage purificn. plant operation - uses heat from compressed air flow for hot water supplies in circuit for reheating to cut energy consumption |
| 01/05/1994 | DE4222031A1 Liquid separation into streams - has concentric electrodes with a working ring zone between them |
| 01/05/1994 | DE4221867A1 Biological treatment of waste water - using excess sludge as carbon source after processing by cell wall disintegration |
| 01/05/1994 | DE4221518A1 Emulsion waste processing appts. - has a mobile boiler with condenser and water collection tank in a mobile assembly to reduce vol of special waste for disposal |
| 01/05/1994 | DE4221198A1 Water flow decontamination - using slits in sediment of ground water outflow filled with a sorption agent to take=up water-soluble sorbable hazardous matter |
| 01/05/1994 | DE4220088A1 Vorrichtung zur Bestrahlung von Wasser im Freispiegelabfluß mit UV-Licht Device for irradiating water in gravity drainage with UV light |
| 01/05/1994 | CN2152181Y Health water drinking device |
| 01/05/1994 | CN2151976Y Ceramic vacuum chloration machine |
| 01/05/1994 | CN2151975Y Magnetic water supply device |
| 01/05/1994 | CN2151974Y Permanent magnetizing device for moving water and static water |
| 01/05/1994 | CN2151973Y Strong magnetic sanitary device in bottle |
| 01/05/1994 | CN2151972Y Water purifier using atomic oxygen as disinfectant |
| 01/05/1994 | CN2151971Y Sterilizing apparatus for liquid |
| 01/05/1994 | CN2151970Y Honsehold drinking water softening, purifying and magnetizing device |
| 01/05/1994 | CN2151678Y Bionic magnetic constant temperature cup |
| 01/05/1994 | CN2151677Y U shape strong field magnetic cup |
| 01/05/1994 | CN1023393C Method of treating wastewater sludge |
| 01/04/1994 | US5276216 Process for oxidizing aromatic and aliphatic compounds |
| 01/04/1994 | US5276103 Nitrile polymers reacted with hydroxylamine to form groups of imidedioxime or amidoxime |
| 01/04/1994 | US5275943 Inner core of dehydrated bacterial cysts; inner coating of water-soluble hydroxypropyl methylcellulose; outer layer of sodium sulfate coated sodium carbonate peroxyhydrate particles |
| 01/04/1994 | US5275742 Treating of water with ozone and separation |
| 01/04/1994 | US5275741 Photocatalytic treatment with titanium dioxide, radiation with circulation, thickening, drying and/or roasting |
| 01/04/1994 | US5275737 Method for treating fluids |
| 01/04/1994 | US5275735 Method and apparatus for dissolving gas in liquid, e.g., in wastewater collection and transmission systems |
| 01/04/1994 | US5275733 Odor reduction with highly adsorbent material; adjusting pH, conductivity and solids content; adding microflora to catabolize organics |
| 01/04/1994 | US5275732 Water treatment |
| 01/03/1994 | CA2099472A1 Coagulation-flocculation process |
| 12/31/1993 | CA2099142A1 Artificial sea-water |