| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 11/29/2001 | WO2001090008A1 Method and apparatus for the treatment of biological suspensions |
| 11/29/2001 | WO2001089996A2 Method for producing extremely pure water and device for carrying out said method |
| 11/29/2001 | WO2000051701A3 Improved water purification pack |
| 11/29/2001 | US20010045381 Carbonated water supply system |
| 11/29/2001 | DE10024500A1 Treatment of water or aqueous liquid or solution by tea-bag or infuser method, used to purify drinking water or sewage or prepare drink or pharmaceutical formulation, includes introducing and separating gas bubbles |
| 11/29/2001 | DE10024447A1 Verfahren zum Herstellen von Reinstwasser und Vorrichtung zum Durchführen des Verfahrens A method of producing ultrapure water and apparatus for carrying out the method |
| 11/28/2001 | EP1157972A1 A method of processing oil-plant wastes |
| 11/28/2001 | EP1112232A4 Method of treating waste water |
| 11/28/2001 | EP1042237B1 A method and a system for purifying water |
| 11/28/2001 | CN2461922Y Pure water machine for public use |
| 11/28/2001 | CN1323752A Water treating method using both high molecular water treating chemical and magnetic field |
| 11/28/2001 | CN1323751A Water supply purifying system suitable for land water plant |
| 11/22/2001 | DE10024979A1 Treatment of fecal material in mobile toilet tanks involves using concentrate to convert the hydrogen sulfide, ammonia and urea to ammonium salts so as to suppress odors and give product useful as fertilizer |
| 11/21/2001 | CN1323280A Bottled water cooler with built-in oxygen generator and oxygen injection system |
| 11/21/2001 | CN1323279A Method and apparatus for preventing scaling in electrodeionization units |
| 11/21/2001 | CN1322683A Fully automatic water purifying and mineralizing device |
| 11/21/2001 | CN1322682A Technology of treating ballast sewage containig high-concentration gasoline and diesel oil |
| 11/20/2001 | US6319414 Driving water under pressure through interchangeable filter; monitoring elapsed time and accumulated volume of water; interchangeable gas pressure and release cylinder; drinking water treatment; sterilization |
| 11/20/2001 | US6319412 Contacting with paste mixture of magnesium hydroxide, aluminum hydroxide, calcium carbonate, magnesium orthophosphate, ferric sulfate, sodium bicarbonate and active carbon; precipitation, flocculation, separation, purification |
| 11/20/2001 | US6319409 Adding polyamine cationic compound to coagulate; flocculation with polyacrylic acid; separation by flotation; digestion organic substances by activated sludge; settling, filtration |
| 11/20/2001 | US6319399 Isolation block |
| 11/15/2001 | WO2001085626A1 Separation apparatus with conveyor and separating hopper |
| 11/15/2001 | WO2001085617A1 Method for treating an effluent containing in particular nitrogen and/or phosphorus and/or organic matter and/or heavy metals |
| 11/15/2001 | WO2001085314A1 Tankless domestic water purifier of reverse osmosis type |
| 11/15/2001 | WO2001055033A3 Water and wastewater treatment system and process for contaminant removal |
| 11/15/2001 | US20010040121 Water treatment device with volumetric and time monitoring features |
| 11/15/2001 | DE19951461A1 Water purification assembly has a filter and ultrasonic stage to prepare the water for oxidation in an electrical field in a recirculating water flow to disinfect drinking water |
| 11/15/2001 | CA2408279A1 Separation apparatus with conveyor and separating hopper |
| 11/14/2001 | EP1153889A1 Clarification apparatus for liquid |
| 11/14/2001 | CN2459318Y Apparatus for reusing waste water of washing car |
| 11/14/2001 | CN1321614A Technique for treating waste water from production of chitin |
| 11/13/2001 | US6315906 Passing wastewater feed containing hydrogen peroxide and metal ions in solution through a carbon bed; passing carbon bed product stream from carbon bed to a chemical precipitation unit for removing metal ions from solution |
| 11/13/2001 | US6315903 Grinding and emulsifying waste; heating emulsion in first chamber heating vessel; removing primary solids; heating in second chamber heating vessel; de-emulsifying to form layer of fats, oils and grease and removing layer; separation |
| 11/13/2001 | US6314895 Method for treating fluid liquid containing a volatile fraction |
| 11/08/2001 | WO2001083385A2 Devices and method for production of traceable immunizing drinking water, other liquids and gas |
| 11/08/2001 | WO2001083381A1 Method and device for improving the taste of drinking water |
| 11/08/2001 | WO2001083079A1 Water purifier |
| 11/08/2001 | WO2000051704A9 Apparatus and method for preparation of a peritoneal dialysis solution |
| 11/07/2001 | CN2458304Y Device for treating sewage from food or beverage |
| 11/07/2001 | CN1320568A Physiological microbe-earthworm filter pool system for treating household sewage |
| 11/07/2001 | CN1320567A Process for treating gas field Cl-contained water |
| 11/06/2001 | US6312608 Container having the capacity to be filled with, and dispense a liquid while isolating the liquid from any gaseous substance, the variable volume liquid container having a sterilizer disposed within the liquid |
| 11/06/2001 | US6312595 Water filtering system |
| 11/06/2001 | US6312592 Clarifier for liquids laden with suspended matter |
| 11/06/2001 | US6312589 Apparatus arranged to provide controllable water treatment customized to the conditions of water supplied to a beverage dispenser |
| 11/06/2001 | US6312588 Water purifier |
| 11/01/2001 | WO2001081255A1 Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step |
| 11/01/2001 | WO2001081254A1 Shipboard biomechanical oil water separator |
| 11/01/2001 | WO2001042143A3 Method and device for electrochemically disinfecting fluids |
| 10/31/2001 | EP1149054A1 Microorganism control of point-of-use potable water sources |
| 10/31/2001 | EP1149052A1 Process for removing organic and inorganic contaminants from phenolic stripped sour water employing reverse osmosis |
| 10/31/2001 | EP1019331B1 Treatment plant with self-supporting modular structure |
| 10/31/2001 | EP0626932B1 Dissolved air flotation |
| 10/31/2001 | DE10015453A1 Production of ultra-pure water involves passing water through biofilter followed by dosing with biostatic agent before passing through reverse osmosis membrane filter to reduce total organic carbon content efficiently without biofouling |
| 10/31/2001 | CN2457146Y Membrane filter drink water purifier |
| 10/31/2001 | CN2457145Y Purifying equipment for living waste water |
| 10/31/2001 | CN2457144Y Boiled water purifier |
| 10/31/2001 | CN1319569A Electrode holder for sewage |
| 10/31/2001 | CN1319568A Fully automatic purifying pool |
| 10/30/2001 | US6309539 Filtration and subsurface distribution system |
| 10/30/2001 | US6308719 Pre-clean deluge system |
| 10/30/2001 | CA2186617C Method and device for disposing of a solution containing an organic acid |
| 10/25/2001 | WO2001079119A1 Active water supply system |
| 10/25/2001 | WO2001079117A2 Method and apparatus for treating of water/wastewater |
| 10/25/2001 | WO2001078864A1 Method and apparatus for treating of water/wastewater |
| 10/25/2001 | WO2001078535A1 Method and apparatus for generating oxygenated water |
| 10/25/2001 | US20010032823 On premise water treatment system and method |
| 10/25/2001 | DE10019960A1 Chipboard production waste water treated by addition of caustic solution and evaporation for separation into concentrated semi-solids and clean water |
| 10/24/2001 | EP1147063A1 Process for the treatment of waste water containing heavy metals |
| 10/24/2001 | EP1147062A1 Method and installation for sanitizing surface water |
| 10/24/2001 | EP0880475B1 Process for the treatment of water containing heavy metal ions |
| 10/24/2001 | CN1318525A Urban four water supply system |
| 10/23/2001 | CA2160355C Water purification unit |
| 10/23/2001 | CA2077460C Waste water treatment process using improved recycle of high density sludge |
| 10/18/2001 | WO2001077027A1 Leachate treatment and disposal process and apparatus |
| 10/18/2001 | WO2001016036A3 Water treatment systems and methods |
| 10/18/2001 | US20010031232 Reduction, binding to a cation exchange resin |
| 10/18/2001 | US20010030129 Electrolysis |
| 10/18/2001 | DE10016365A1 Device for treating drinking water to remove bacteria and viruses comprises a filter module, a sterilizing module and an intermediate storage module for the treated water |
| 10/17/2001 | CN2454374Y Combined running-water automatic production equipment |
| 10/17/2001 | CN2454373Y Clean-water treatment |
| 10/17/2001 | CN2454278Y Water-purifying device for ship |
| 10/17/2001 | CN1317453A Process for treating sewage drained from emulsoid factory |
| 10/17/2001 | CN1317452A Overlapped bio-chemical filter |
| 10/16/2001 | US6303031 Water filtering system with replaceable cartridge for a refrigerator |
| 10/16/2001 | US6303027 Apparatus for controlling quality of treated water |
| 10/11/2001 | WO2001074725A1 Potable water purification process including biofiltration |
| 10/11/2001 | WO2001074717A2 Water processing unit |
| 10/11/2001 | WO2001074505A1 Method for depollution of soils polluted by hydrocarbons |
| 10/11/2001 | CA2405826A1 Method for depollution of soils polluted by hydrocarbons |
| 10/10/2001 | EP1142835A2 Portable, potable water recovery and dispensing apparatus |
| 10/10/2001 | EP1141975A2 Method for disposing of metal cations |
| 10/10/2001 | EP1044169A4 Water reclamation system for a vehicle wash system |
| 10/10/2001 | EP0909140B1 Device for treatment of possibly contaminated sludge occurring in sanitary facilities |
| 10/10/2001 | CN1316571A Portable drinking water regenerating and distributing device |
| 10/10/2001 | CN1316394A Process for reclaiming sewage |
| 10/09/2001 | US6299781 Removal of hydrocarbon components from an aqueous waste stream |
| 10/09/2001 | US6299779 The same laundry water is used again and again to do laundry. |
| 10/09/2001 | US6299775 Waste and wastewater treatment and recycling system |
| 10/09/2001 | US6299770 Portable ultraviolet water disinfection device |