Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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07/17/2003 | WO2003057351A1 Method of using water soluble polymers in a membrane biological reactor |
07/17/2003 | WO2003033033A3 Method and device for the through-flow sterilisation of liquids |
07/17/2003 | WO2003018180A3 System and method for withdrawing permeate through a filter and for cleaning the filter in situ |
07/17/2003 | WO2002048431A3 Electrochemical apparatus with retractable electrode |
07/17/2003 | WO2002005643A3 Biocide compositions and methods and systems employing same |
07/17/2003 | US20030134409 Delivery vehicles for environmental remediants |
07/17/2003 | US20030133878 Composition for the treatment of legionella pneumophila and a method for such treatment |
07/17/2003 | US20030133864 Method and apparatus for supplying carbon dioxide to a plurality of applications, as in the processing of integrated circuits |
07/17/2003 | US20030133354 Passing the fluid between two electrodes, a first electrode being formed of a metal having dielectric covering , a second electrode being formed of a metal and being grounded, applying a direct current voltage to first eelctrode |
07/17/2003 | US20030132848 Method and system for anticipating salt depletion |
07/17/2003 | US20030132717 Ballast device for uv emitter and method and device for disinfection of water |
07/17/2003 | US20030132421 Elixir for inducing high-speed settlement of precipitates |
07/17/2003 | US20030132250 Treated water dispensing system |
07/17/2003 | US20030132174 Ceramic filter and method for purifying water |
07/17/2003 | US20030132173 Process and compositions for the disinfection of waters |
07/17/2003 | US20030132172 Titanium and copper or silver electrodes connected to a direct current power supply with control means for cyclically alternating the polarity of the output |
07/17/2003 | US20030132171 Method for removing radioactive substances from affecting water wells |
07/17/2003 | US20030132167 Pump controlled by a measuring device and a proportioning device to add a chemical in proportion to the water to form a water line |
07/17/2003 | US20030132166 Method of treating mine drainage |
07/17/2003 | US20030132165 Neutralize or prevent the growth of and/or remove a certain number of undifferentiated animal cells, tumor cells, algae, bacteria or viruses from a sample with high-frequency ultrasound emission |
07/17/2003 | US20030132163 Aqueous stream purifier and method of use |
07/17/2003 | US20030132160 Membrane biotreatment |
07/17/2003 | US20030132155 Arsenic removal from aqueous media using chemically treated zeolite materials |
07/17/2003 | US20030132148 Wastewater purifying apparatus |
07/17/2003 | US20030132124 Nitrogen treating method |
07/17/2003 | US20030132104 Hydrogen-dissolved water production apparatus |
07/17/2003 | US20030132097 Fuel-cell powered desalination device |
07/17/2003 | US20030132096 Rotating heat exchanger |
07/17/2003 | US20030132095 Device and method for distilling water |
07/17/2003 | US20030131641 Method for producing a humin-mineral concentrate and device for carrying out said method |
07/17/2003 | DE20306503U1 Assembly to neutralize acid water, from an open cast mining lake, has a dosing station to apply liquid/solid neutralizing agents, with a pump and distribution system to treat all water zones before release |
07/17/2003 | DE20304952U1 Mobile appliance to disinfect water at open-air events comprises a water flow pipe with a flow meter, to control dosing pump to add disinfectant according to the water flow |
07/17/2003 | CA2486835A1 Method of using water soluble polymers in a membrane biological reactor |
07/17/2003 | CA2415997A1 Germicidal lamp and purification system having turbulent flow |
07/16/2003 | EP1327641A1 Polymeric flocculant and method of sludge dehydration |
07/16/2003 | EP1327608A1 Apparatus and method for electrolytic treatment of waste water |
07/16/2003 | EP1326805A1 Device for electrolytic water disinfection without cathodic hydrogen evolution |
07/16/2003 | EP1326713A2 Flotation device |
07/16/2003 | EP1326702A2 Method and apparatus for separating mixtures of organic and aqueous liquid phases |
07/16/2003 | EP1326691A1 Installation for measuring concentration in dense granular material of a flow and water treatment system comprising same |
07/16/2003 | EP0989958B1 Nitrate reduction |
07/16/2003 | CN2560860Y Fluid activating device |
07/16/2003 | CN2560635Y Variable aperture lattice floculating apparatus |
07/16/2003 | CN2560634Y Efficient rectangle pipe chute and efficient combined tube settler |
07/16/2003 | CN2560633Y Microvortex folded plate floculating reaction tank |
07/16/2003 | CN2560632Y Electromagnetic water purifier |
07/16/2003 | CN2560631Y Magnetized pad |
07/16/2003 | CN2560630Y Anticorrosive water treater |
07/16/2003 | CN2560629Y Full-process water treater |
07/16/2003 | CN2560628Y Domestic central water purifying machine |
07/16/2003 | CN2560627Y Vortex speed-increasing, ultraviolet sterilizing and algae-destroying liquid treater |
07/16/2003 | CN2560626Y Efficient mud water separating and filtering integrating sewage treating apparatus |
07/16/2003 | CN2560625Y Jet pump dissolved air floatation machine |
07/16/2003 | CN2560624Y Spiral grille machine |
07/16/2003 | CN1430583A Method and apparatus for treatment of biological suspensions |
07/16/2003 | CN1430581A Method and device for continuous electrolytic disposal of waste liquid |
07/16/2003 | CN1430580A 液体清洁装置 Liquid cleaning device |
07/16/2003 | CN1429779A Method of treating industrial waste water by actived sludge-micro-electrolytic process |
07/16/2003 | CN1429776A Ozone treatment device of water cleaning system |
07/16/2003 | CN1429775A Decolouring method of printing and dyeing waste water |
07/16/2003 | CN1429774A Alloy electrochemical battery device |
07/16/2003 | CN1429773A Method of treating oil field waste water by electric-multiphase catalytic reaction and its special equipment |
07/16/2003 | CN1114762C Compressor system |
07/16/2003 | CN1114472C Method for producing polyamide reverse osmosis composite film |
07/16/2003 | CN1114463C Process for treating waste water of flue gas desulfurization |
07/15/2003 | US6593704 Method and ballast for feeding a UV light low pressure radiator |
07/15/2003 | US6593271 For the removal of cationic forms of group IA, IIA, IIIA, IVA, VA, IB, IIB, IIIB, IVB, VB, VIIB, and group VIII metals from aqueous or non- organic media |
07/15/2003 | US6592982 Flexible graphite capacitor element |
07/15/2003 | US6592861 Antiseptics |
07/15/2003 | US6592767 Occurring in the biological treatment of aqueous organic wastes; plurality of ozone treating reactors in series, agitation of the biosludge under a pressurized condition |
07/15/2003 | US6592766 Water treatment dispensers |
07/15/2003 | US6592763 Method and device for treating aqueous flows in a bioreactor, an ultrafiltration unit and a membrane filtration unit |
07/15/2003 | US6592761 Biological waste water treatment system |
07/15/2003 | US6592751 Device for treatment of wastewater |
07/15/2003 | US6592727 Production apparatus of hypochlorite solution |
07/15/2003 | US6592656 Water apparatus for treating industrial waste products |
07/15/2003 | CA2068571C Method for removing paint solids from water-based paint systems using aluminum salts |
07/10/2003 | WO2003055888A1 Hydroxycucurbituril derivatives, their preparation methods and uses |
07/10/2003 | WO2003055810A1 Compact water treatment device |
07/10/2003 | WO2003055806A1 Electrolytic device and method for disinfecting water in a water supply system by means of the generation of active chlorine |
07/10/2003 | WO2003055604A1 Electric demineralization apparatus |
07/10/2003 | WO2003055593A1 Adsorbing material comprised of porous functional solid incorporated in a polymer matrix |
07/10/2003 | WO2003055592A1 Device for modifying liquid material using photocatalytic titanium oxide particles, and gas device using powdery particles comprising photocatalyst and coating material |
07/10/2003 | WO2003055591A1 Field converter and fluid processing device using the converter |
07/10/2003 | WO2003055578A1 Solution and method for scavenging sulphur compounds |
07/10/2003 | WO2003055571A1 Magnetic fluid filter |
07/10/2003 | WO2003055452A1 Hybrid organic-inorganic adsorbents |
07/10/2003 | WO2002088031B1 Reclamation system for agricultural runoff |
07/10/2003 | US20030129105 Quartz sleeves; ultraviolet lamps; uniform fluid flow |
07/10/2003 | US20030128797 Method for treating power plant heater drain water |
07/10/2003 | US20030127400 Water treatment process for thermal heavy oil recovery |
07/10/2003 | US20030127399 Process for disposing biocide-containing cooling water |
07/10/2003 | US20030127398 Device for treating water |
07/10/2003 | US20030127397 Roasting rocks; crushing; forming carbon dioxide; flocculation; precipitation |
07/10/2003 | US20030127393 Aluminum hydroxide fibers; purification, sterilization of aqueous solution |
07/10/2003 | US20030127392 Eluent purifier and method of use |
07/10/2003 | US20030127391 Antifouling agents, antiscaling agents, corrosion resistance;controlling filter membrane flux |
07/10/2003 | US20030127389 Aerator connecting to air blower; valves; controllers; alternating gas flow |
07/10/2003 | US20030127388 Treatment system having spiral membrane element and method for operating the treatment system |
07/10/2003 | US20030127387 Extraction; cyclone separators |