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