| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 10/11/2001 | EP1144108A3 Material sorbent with respect to petroleum/oil or water soluble substances |
| 10/11/2001 | DE10029773A1 Detoxification of waste liquor, surface water and solutions containing cyanide includes electroflotation stage |
| 10/11/2001 | DE10017605A1 Cleaning organically contaminated ground water consists of extracting water from ground water stream, cleaning it by oxidation process, and returning it at lower level downstream |
| 10/11/2001 | DE10017407A1 Treatment and/or sterilization of water, preferably swimming pool water, uses chlorine dioxide produced electrolytically from chlorite and/or chlorate present in water |
| 10/11/2001 | DE10016825A1 Monolithische Sorbentien mit faserverstärkter Kunststoffummantelung Monolithic sorbents with fiber-reinforced plastic sheath |
| 10/11/2001 | DE10015764A1 Vorrichtung zum Messen des Volumens einer elektrisch leitenden Flüssigkeit An apparatus for measuring the volume of an electrically conductive liquid |
| 10/11/2001 | DE10015209A1 Electrochemical disinfection of water, e.g. drinking, industrial and waste water, involves passing sub-streams in parallel to anode and cathode segments of array of electrode plates, spacers and separator membranes |
| 10/11/2001 | CA2403463A1 Method and device for operating a uv-radiation source |
| 10/10/2001 | EP1143074A1 Method and device for recovering liquid substance |
| 10/10/2001 | EP1142835A2 Portable, potable water recovery and dispensing apparatus |
| 10/10/2001 | EP1142634A2 Products obtained from plant, lichen and animal organs containing active substances |
| 10/10/2001 | EP1142630A2 A effluent treating method, an effluent treating apparatus, and a cleaning apparatus using the same |
| 10/10/2001 | EP1142477A2 Controlled release compositions |
| 10/10/2001 | EP1141975A2 Method for disposing of metal cations |
| 10/10/2001 | EP1141702A1 APPARATUS AND METHOD FOR MEASURING NOx AND NITRIFICATION/DENITRIFICATION RATES IN BIOCHEMICAL PROCESSES |
| 10/10/2001 | EP1141674A1 A biofouling monitor and methods to monitor or detect biofouling |
| 10/10/2001 | EP1140706A1 Submerged membrane bioreactor for treatment of nitrogen containing water |
| 10/10/2001 | EP1140705A1 Method and apparatus for microfiltration |
| 10/10/2001 | EP1140358A1 Method and apparatus for electrodeionization of water using mixed bed and single phase ion exchange materials in diluting compartments |
| 10/10/2001 | EP1140339A1 Method and device for regulated injection of liquid carbon dioxide in a pressurised liquid |
| 10/10/2001 | EP1140330A1 Water filtration using immersed membranes |
| 10/10/2001 | EP1140329A1 Ultrafiltration and microfiltration module and system |
| 10/10/2001 | EP1139951A2 Liquid transport member for high flux rates between two port regions |
| 10/10/2001 | EP1139787A1 Heat-treatment process for liquids |
| 10/10/2001 | EP1139757A1 Synergistic antimicrobial combination of 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one and a mixture of a chlorinated isocyanurate and a bromide compound and methods of using same |
| 10/10/2001 | EP1044169A4 Water reclamation system for a vehicle wash system |
| 10/10/2001 | EP0912639B1 Derivatized rhodamine dye and its copolymers |
| 10/10/2001 | EP0859747B1 Process for the aerobic biological break-down of substances having low water-solubility, and a micro-organism of the strain ihi-91 |
| 10/10/2001 | CN2453046Y Domestic equipment for wastewater reuse |
| 10/10/2001 | CN2453045Y Equipment for wastewater treatment and reuse |
| 10/10/2001 | CN2453044Y Domestic water saving type water tank |
| 10/10/2001 | CN2453041Y Washing apparatus |
| 10/10/2001 | CN2452999Y High efficiency and ozone type water treatment equipoment needing no refrigeration |
| 10/10/2001 | CN2452998Y Combination type water treatment apparatus |
| 10/10/2001 | CN2452997Y Scale removing device |
| 10/10/2001 | CN2452996Y Solar energy sea water desalination apparatus |
| 10/10/2001 | CN2452995Y Domestic central water purification apapratus |
| 10/10/2001 | CN2452994Y Rotary type means for draining water |
| 10/10/2001 | CN2452993Y Dynamic filtering box |
| 10/10/2001 | CN2452399Y Mgnetization health-care wine-cup |
| 10/10/2001 | CN1316979A Method of controlling biofouling in aqueous media using antimicrobial emulsions |
| 10/10/2001 | CN1316571A Portable drinking water regenerating and distributing device |
| 10/10/2001 | CN1316389A Process and equipment for preparing disinfecting water from ozone |
| 10/10/2001 | CN1316388A Gelatinizer for oil floated on water surface |
| 10/10/2001 | CN1316387A Process for preparing efficient water-purifying agent |
| 10/10/2001 | CN1316386A Chemical tablet and filter core for preparing drinking water from poor-quality water by military canteen |
| 10/10/2001 | CN1316385A Microbubbling for infrared equipment for activating running water |
| 10/10/2001 | CN1316188A Control release composition |
| 10/10/2001 | CN1072614C Method for simultaneously processing kitchen waste water and new refuse |
| 10/10/2001 | CN1072612C Method for treating water containing organic sulfur compounds and its apparatus |
| 10/10/2001 | CN1072610C Drinking-water iodine-adding method and device |
| 10/10/2001 | CN1072609C Regeneration method of weak-type bed resin in wate rtreatment desalt system |
| 10/10/2001 | CN1072608C Knitting printing-dyeing waste liquid recovering and regenerating device |
| 10/09/2001 | US6300722 Non-thermionic ballast-free energy-efficient light-producing gas discharge system and method |
| 10/09/2001 | US6299909 Concentrated aqueous bromine solutions and their preparation |
| 10/09/2001 | US6299844 Photochemical reactor |
| 10/09/2001 | US6299791 Piezoelectric ceramic material and piezoelectric ceramic sintered body obtained using the same |
| 10/09/2001 | US6299781 Removal of hydrocarbon components from an aqueous waste stream |
| 10/09/2001 | US6299780 Method for treatment of silicone emulsion waste by chemical addition |
| 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 | US6299771 Composite adsorbent element |
| 10/09/2001 | US6299770 Portable ultraviolet water disinfection device |
| 10/09/2001 | US6299768 Magnetic treatment apparatus for water |
| 10/09/2001 | US6299766 Reverse osmosis filtering apparatus with concentrate dilution |
| 10/09/2001 | US6299761 Water purifier system |
| 10/09/2001 | US6299735 An array of sonic hydraulic nozzles for injecting a mixture of water with dissolved or suspended particulate into a chamber to form a continuous spray of spherical droplets. |
| 10/09/2001 | US6299513 Method of fabricating a semiconductor device |
| 10/09/2001 | US6298996 Three dimensional electrode for the electrolytic removal of contaminants from aqueous waste streams |
| 10/09/2001 | US6298871 Chemical feeder |
| 10/09/2001 | CA2227875C Fluid treating apparatus |
| 10/04/2001 | WO2001072849A1 Per(3,6-anhydro)cyclodextrin derivatives, preparation and use thereof for separating ions |
| 10/04/2001 | WO2001072645A1 Method and device for producing ultrapure water |
| 10/04/2001 | WO2001072644A1 Nitrogen reduction wastewater treatment system |
| 10/04/2001 | WO2001072642A1 Silver ion-containing solution and use thereof |
| 10/04/2001 | WO2001072641A1 Method and apparatus for reducing an electrolyte containing nitric acid |
| 10/04/2001 | WO2001072640A1 Water purification system and method |
| 10/04/2001 | WO2001072639A1 Water desalting apparatus |
| 10/04/2001 | WO2001072638A1 Desalination device |
| 10/04/2001 | WO2001072637A2 Method for the treatment of mechanically organically and/or biologically contaminated water |
| 10/04/2001 | WO2001072395A1 Apparatus and method for removing mercury and mercuric compounds from dental effluents |
| 10/04/2001 | WO2001072393A1 Staged heat and mass transfer applications |
| 10/04/2001 | WO2001072343A1 Decontamination of soil and groundwater |
| 10/04/2001 | WO2001009041A3 System for protection of building water supplies against chemical and biological warfare agents |
| 10/04/2001 | WO2000048943A9 Reverse osmosis system with biological contamination prevention |
| 10/04/2001 | US20010026936 Apparatus for automatic measuring of water toxicity |
| 10/04/2001 | US20010025945 Wastewater contaminants removal comprising natural silicates, fly ash and silica fume, cement and lime; treatment generates stabilized waste which does not require further treatment prior to disposal |
| 10/04/2001 | US20010025821 Medium permeable to solution and made of polyester foam in form of closeable envelope for trapping compound to be eliminated; biocides, silver in photographic developing baths; medical imaging, motion picture processing |
| 10/04/2001 | US20010025820 Hydrocyclone to aerate wastewater, froth flotation, reducing biological oxygen demand |
| 10/04/2001 | US20010025784 Tank batch electrochemical water treatment process |
| 10/04/2001 | US20010025646 Pre-clean deluge system |
| 10/04/2001 | US20010025448 Dewatering; mixing with oxide and molasses; pressurization; flashing; grinding to desired mesh size; waste recycling |
| 10/04/2001 | EP1139169A1 Apparatus for putting into contact a defined quantity of a treatment material with an aqueous solution to be treated and process for treating an aqueous solution |
| 10/04/2001 | EP1138818A1 A method of washing cloth with oxygen-atom instead of detergent and a washing machine thereof |
| 10/04/2001 | EP1138637A1 Electron-emitting device and electron-emitting electrode |
| 10/04/2001 | EP1138636A2 Process and apparatus for treating tap water |
| 10/04/2001 | EP1138635A1 Liquid treating method and liquid treating system |
| 10/04/2001 | EP1138632A1 Doped titanium dioxide |
| 10/04/2001 | EP1138371A1 Device for water aeration |
| 10/04/2001 | EP1138305A1 Apparatus for carrying out a waterbirth |