Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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04/21/2005 | DE102004019619B3 Rotor used to clean ultraviolet lamps in filtration equipment includes spiral supported by longitudinal profiles having concavity over their lengths |
04/21/2005 | CA2541940A1 Method for chemically treating a liquid medium loaded with nitrates, device for treating a liquid medium of this type and applications |
04/21/2005 | CA2541614A1 Method for clarifying fluid and static mixer |
04/20/2005 | EP1524370A1 Sequenced waste water feeder for use in waste water treatment plants |
04/20/2005 | EP1523588A2 Electrochemical method for preparing peroxy acids |
04/20/2005 | EP1523341A1 Fluid purification |
04/20/2005 | EP1523249A1 Method and device for the production of table water with added carbon dioxide |
04/20/2005 | EP1349814A4 Apparatus and method for improving water quality of reservoir |
04/20/2005 | EP1259127A4 Method of treating a meat processing plant waste stream |
04/20/2005 | EP1163400A4 Water treatment system and method using permeable embankments, weirs, walls or the like |
04/20/2005 | CN2693802Y Electrolysis unit for washing machine |
04/20/2005 | CN2693755Y Novel sewage precipitation device |
04/20/2005 | CN2693754Y Visible Counterflow proof water blaster |
04/20/2005 | CN2693753Y Wastewater reclamation device for domestic water maker |
04/20/2005 | CN2693752Y Vehicle mounted mobile direct drinking water treatment device |
04/20/2005 | CN2693751Y Water-saving type reverse osmosis apparatus |
04/20/2005 | CN2693750Y Water and air distributing device with filter tank having air-water back flush function |
04/20/2005 | CN2693749Y Water purifier |
04/20/2005 | CN2693141Y Distillating pot |
04/20/2005 | CN1608095A Anti-microbial and oxidative co-polymer |
04/20/2005 | CN1608035A Method and device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input |
04/20/2005 | CN1608034A Purification of phosphoric acid plant pond water |
04/20/2005 | CN1608033A A water purifier using electrolysis |
04/20/2005 | CN1607978A Field converter and fluid processing device using the converter |
04/20/2005 | CN1607190A Material adding and inverting AAO waste water treatment process |
04/20/2005 | CN1607186A Warm spring champignon bathing agent and preparation method thereof |
04/20/2005 | CN1607185A Production method of printing and dyeing wastewater coagulate decolourizer |
04/20/2005 | CN1607184A Production method of sewage purifying agent |
04/20/2005 | CN1607183A Fluid deionizing device and method of reducing microorganism and ion concentration in a liquid |
04/20/2005 | CN1198126C Water sample pre-treatment system for automactically monitoring sandy river water quality |
04/20/2005 | CN1197906C Heavy metal chelator compound containing chitosan derivative |
04/20/2005 | CN1197791C Comprehensive treatment method for mixed waste water containing chromium and heavy metal |
04/20/2005 | CN1197790C Method and device of using compound microorganism and nanometer compound carrier to treat toilet sewage |
04/20/2005 | CN1197788C Preparation method of triazene polymer chelant and its application |
04/20/2005 | CN1197787C Quick automatic treating device of polluted water |
04/20/2005 | CN1197786C Method for killing living beings in the course of transmission of ballast water by using ship and its equipment |
04/20/2005 | CN1197785C Method for treating waste water containing low concentration ammonium chloride |
04/20/2005 | CN1197784C Method for recovering alkali and hemicellulose from chemical fibre waste liquid |
04/20/2005 | CN1197783C Method for using rejuvenated water obtained from treated alumina waste water |
04/20/2005 | CN1197782C Water treatment system and apparatus |
04/20/2005 | CN1197781C Ctalyst for treating high concentrated organic wastewater and method for preparing the same |
04/20/2005 | CN1197649C Alginate gel based adsorbents and its application in the water treatment |
04/20/2005 | CN1197464C Mixed-powder type chloro-calcium hyperoxide water-purifying sterilizing agent |
04/19/2005 | US6881418 Liquid deodorant killing microorganism and method of microorganism-killing deodorization |
04/19/2005 | US6881349 Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid |
04/19/2005 | US6881348 Method for perchlorate removal from ground water |
04/19/2005 | US6881347 Leaching solution replaces the radionuclides at natural absorption sites in the aquifer |
04/19/2005 | US6881346 Methods of treating phosphate in a body of water |
04/19/2005 | US6881343 Cyclic aeration system for submerged membrane modules |
04/19/2005 | US6881340 Connecting manifolds; detection of biomass |
04/19/2005 | US6881332 Sewage treatment apparatus |
04/19/2005 | US6881331 Assembly for purifying water |
04/19/2005 | US6881327 Water treatment device with fill-counting cartridge |
04/19/2005 | US6881231 Reducing deposition of mineral salts, in particular, from aqueous supersaturated solutions; reducing scaling |
04/19/2005 | CA2307819C Water treatment method for heavy oil production |
04/19/2005 | CA2240283C Thermal plasma reactor and wastewater treatment method |
04/14/2005 | WO2005033422A2 Method for dredging without the significant consumption of water nor significant causing of pollution |
04/14/2005 | WO2005033184A1 Manufacturing method of lignocellulose media coupled with fe or al |
04/14/2005 | WO2005033024A1 Dewatering treatment system and method |
04/14/2005 | WO2005033023A1 Sewage treatment |
04/14/2005 | WO2005033017A1 Water purification cartridge |
04/14/2005 | WO2005033016A1 Apparatus and method for treating fluid by means of a treatment container |
04/14/2005 | WO2005033015A1 Pool chlorinator cell ultrasonic cleaner |
04/14/2005 | WO2005033014A1 Apparatus for sterilizing water, method for sterilizing water, method for producing water containing metal ion dissolved therein, and water containing metal ion dissolved therein |
04/14/2005 | WO2005033013A1 Method of radiating light beam to liquid |
04/14/2005 | WO2005033012A1 Water purifying device |
04/14/2005 | WO2005033011A2 Increasing evaporation of a process water pond |
04/14/2005 | WO2005033004A1 Methods and articles for maintaining hydantoinylated polymers in a biocidally active state |
04/14/2005 | WO2005032698A1 Method for avoiding clogging of filtration membranes |
04/14/2005 | WO2005032243A1 Pressurized and multilayered micro ozone sytesm for sterilization, purification and farming sterilization |
04/14/2005 | WO2005016834A3 Installation for the aerobic treatment of a liquid, consisting in moving micro-organism-bearing particles and comprising decantation and degassing |
04/14/2005 | WO2005011861B1 Use of inert, porous materials in order to reduce the salt content in aqueous solutions, and method and device therefor |
04/14/2005 | WO2005011849A3 Electrodeionization module and apparatus comprising it |
04/14/2005 | WO2005009490B1 Apparatus and methods for variably sterilizing aqueous liquids |
04/14/2005 | WO2003076346A3 Circulation method and system for treating bathing water |
04/14/2005 | US20050079409 Electrode array for use in electrochemical cells |
04/14/2005 | US20050079146 Mixture of ionic surfactant, chelate compound and solvent, preferable water; against grampositive, gramnegative bacteria |
04/14/2005 | US20050078286 Lithographic apparatus and device manufacturing method |
04/14/2005 | US20050077732 Self-powered miniature liquid treatment system |
04/14/2005 | US20050077374 Dual Dispenser |
04/14/2005 | US20050077251 Recycling of portion of wastewater treatment plant nitrified effluent, utilizing dissolved oxygen and nitrate in effluent to prevent formation or reduce levels of sulfides and odorous organics in primary clarifiers; process can be supplemented with chemical treatment such as nitrate addition |
04/14/2005 | US20050077250 Methods for recovering metals |
04/14/2005 | US20050077249 Environmental remediation method |
04/14/2005 | US20050077246 Treatment of liquid using porous polymer containment member |
04/14/2005 | US20050077245 Treating a sludge in moderately acid medium (ph 3.0-5), with an inorganic acid and two oxidizing agents, i.e., a ferric iron salt and hydrogen peroxide, flocculating the stabilized sludge having a pH between 4.0 and 5.0 by addition of an organic polymer, and dehydrating |
04/14/2005 | US20050077244 Method and composition for control of microbial contamination in drinking water produced by condensation |
04/14/2005 | US20050077242 Reducing or eliminating contaminants in soil or groundwater by means of an oxidising agent which is allowed to react with contaminants under controlled release conditions; the controlled release conditions are obtained by controlling the dissolution of at least one coating applied onto oxidizer |
04/14/2005 | US20050077234 Cyclone separator |
04/14/2005 | US20050077227 Cleaning hollow core membrane fibers using vibration |
04/14/2005 | US20050077223 Water treatment system |
04/14/2005 | US20050077219 Process and device for the treatment of effluents produced during wine manufacture |
04/14/2005 | US20050077190 Apparatus that uses ultrasonic cleaning to remove mineral deposits that can accumulate on the electrodes of pool chlorination cells; for prevention of mineral deposit accumulations on electrodes which are submerged in the chemical baths of electrolytic cells |
04/14/2005 | DE10344857A1 Improving neutralization efficiency of in-lake treatment of acidic waters left by e.g. opencast mining activities controls pH and concentration of neutralizing agent distribution |
04/14/2005 | DE10343602A1 Vorrichtung und Verfahren zur Behandlung eines Mediums wie Abwasser, Klärschlamm oder dergleichen Device and method for treating a medium such as waste water, sewage sludge or the like |
04/13/2005 | EP1522528A1 Disintegration of anaerobically digested sewage sludge |
04/13/2005 | EP1522527A1 Mineral water making apparatus |
04/13/2005 | EP1522526A1 Apparatus and method for electrolytically treating chemical plating waste liquor |
04/13/2005 | EP1522525A1 Device and shaft for the decentralised treatment of water and corresponding process |
04/13/2005 | EP1522524A1 Filtration unit, filtration unit installation method, and filtration apparatus |
04/13/2005 | EP1522339A1 Method and apparatus for removing at least one constituent from a solution |