Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
09/2005
09/14/2005CN2724550Y Novel multi-functional health-care cup
09/14/2005CN1668917A Method for evaluating cation-exchage resin and method for controlling water treatment system using the same
09/14/2005CN1668537A A method for comprehensive treatment of high-concentration organic wastewater
09/14/2005CN1668536A A method for comprehensive treatment of wastewater
09/14/2005CN1668535A Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments
09/14/2005CN1668379A Material dewatering apparatus
09/14/2005CN1667007A Starch-base macromolecules environmental protection flocculant, process for preparing same and use thereof
09/14/2005CN1666962A Method for treating domestic sewage by employing high strong-magnetic separation technology
09/14/2005CN1666961A Rolling type electric desalter with stepping control function on input current
09/14/2005CN1666960A Softened water treating process and device adapted for garbage engineering
09/14/2005CN1666959A Electric multiple-effect distillation machine
09/14/2005CN1666815A Anatase type nanometer titanium dioxide with photcatalytst disinfecting ability
09/14/2005CN1218887C Sequential batch type method and equipment for treating wastewater by using biologic dephosphorization and intermittent aeration continuously
09/14/2005CN1218886C Degradation method for fluorine-containing ether and method for treating fluofine-containing ether sewage
09/14/2005CN1218885C Method of polymerization and coagulation for treating sewage participating of heavy concentration acrylonitrile
09/14/2005CN1218884C Two-stage partially reverse osmose pure-water producing process
09/14/2005CN1218883C Phosphate stabilizing compositions
09/14/2005CN1218791C Method and device for extracting organic matter from sulfur-containing slag current
09/14/2005CN1218634C Method of preparing mesoporous titanium dioxide film with high disinfecting photoactivity
09/13/2005US6942904 Dry end surface treatment using ultrasonic transducers
09/13/2005US6942810 Method for treating metal-containing solutions
09/13/2005US6942809 using an aqueous iron salt solution to produce purified water that contains less than about 10 ppm iron and has a transmittance rating of at least about 90 percent
09/13/2005US6942808 Evaporing water; salt formation
09/13/2005US6942807 for water filtration, removal of heavy metals and organic compounds from contaminated drinking water, waste water and soil treatment solutions
09/13/2005US6942801 Clogging of the supply line for oxygen-containing gas is prevented and the digestion can be performed efficiently in a steady manner over a prolonged period of time.
09/13/2005US6942798 a liquor containing a digestible biomass is processed a retort vessel at a thermophilic temperature and with a vacuum pressure at the surface of the liquor; pressurized feedstock is introduced in a manner which breaks up any scum on the surface
09/13/2005US6942766 Chlorine generator
09/13/2005US6942714 Nano diatomite and zeolite ceramic crystal powder
09/13/2005US6941968 Fluid spigot and filter unit
09/13/2005CA2305469C Deionization apparatus having non-sacrificial electrodes of different types
09/13/2005CA2236840C Method of cleaning a filtration installation of the type with immersed membranes
09/09/2005WO2005083190A1 Method of operating a sewage system and such a sewage system
09/09/2005WO2005082831A1 Method of processing methacrylic-ester-containing solution
09/09/2005WO2005082796A2 Installation and method for the treatment of sewage sludge, and membrane unit
09/09/2005WO2005082794A1 Method for treating water from displacement and therapy basins
09/09/2005WO2005082791A1 Method and device for the treatment of organically and/or biologically contaminated water and/or air contaminated with oxygen ions
09/09/2005WO2005082790A1 Method for the biological activation of water
09/09/2005WO2005082789A1 Method for treating papermaking waste water and method for utilizing silica sol in papermaking
09/09/2005WO2005082788A1 Fluoride species removal process
09/09/2005WO2005082787A1 Gas drive electrolytic cell
09/09/2005WO2005082786A1 Method and device for treating water that is contaminated with pollutants by cavitation
09/09/2005WO2005082785A1 Removal of fluorinated surfactants from waste water
09/09/2005WO2005082784A1 Isothermal gas-free water distillation
09/09/2005WO2005082524A1 Method for removing contaminants from fluid streams
09/09/2005WO2005082523A1 Adsorbents for removing heavy metal cations and methods for producing and using these adsorbents
09/09/2005WO2005082498A1 Water filtration using immersed membranes
09/09/2005WO2005082497A1 Apparatus for treating solutions of high osmotic strength
09/09/2005WO2005081996A2 Oxidation of organic compounds at high ph
09/09/2005WO2005081990A2 Discarded fcc equilibrium catalyst through reclamation
09/09/2005WO2005081824A2 Storm water treatment apparatus employing dual vortex separators
09/09/2005WO2005081722A2 Sorption method, device, and system
09/09/2005WO2005059512A3 Method for efficient transport of small liquid volumes to, from or within microfluidic devices
09/09/2005WO2005049510A3 Water treatment system and method
09/09/2005WO2004076510A3 High molecular weight polymers containing pendent salicyclic acid groups for clarifying bayer process liquors
09/09/2005CA2594799A1 A membrane unit and equipment for wastewater clarification with a membrane unit and a method for the operation of such equipment
09/09/2005CA2560152A1 Water filtration using immersed membranes
09/09/2005CA2557855A1 Method for treating papermaking waste water,and methods of using silica sol in papermaking
09/09/2005CA2557501A1 Discarded fcc equilibrium catalyst through reclamation
09/09/2005CA2557131A1 Gas drive electrolytic cell
09/09/2005CA2555194A1 Method of operating a sewage system and such a sewage system
09/09/2005CA2548613A1 Sorption method, device, and system
09/08/2005US20050196462 Topical formulation containing oxidative reductive potential water solution and method for using same
09/08/2005US20050194914 Inductive coil assembly
09/08/2005US20050194324 Process and compositions for the disinfection of waters
09/08/2005US20050194323 coagulating agent and/or a flocculating agent, or both, are added to the emulsified waste stream to accelerate separation into an aqueous stream and a thickened emulsified stream
09/08/2005US20050194322 separate cuttings from drilling slurry; addition of a flocculating agent to a slurry stream to form agglomerated solids; to both send a more dense mass of solids to the centrifuges and block separated fluids from ever reaching the centrifuges; minimize water reaching the centrifuges
09/08/2005US20050194321 Method of treating a paint booth dry filter
09/08/2005US20050194320 used alumina that is enriched with sulfur is a particularly effective sorbent for reducing levels of inorganic contaminants from fluid streams; such as used Claus catalyst
09/08/2005US20050194319 Ion exchange process
09/08/2005US20050194300 Direct chlorination system and device for city water
09/08/2005US20050194299 Hydrate-based desalination/purification using permeable support member
09/08/2005US20050194297 Water treatment apparatus and components
09/08/2005US20050194263 Electrochemical water purification system and method
09/08/2005US20050194261 aqueous solution of anolyte with or without the addition of a catholyte; for inhibiting the corrosive action of sulfur reducing bacteria
09/08/2005DE202005010525U1 Method for cleaning filter especially on water tap with cleaning fluid applied into a cleaning port using a pressurised supply can
09/08/2005DE202004019700U1 Water cleaning system for household water is a modular assembly enclosed within a cabinet
09/08/2005DE19653083B4 Strömungsgünstige UV-Desinfektionsvorrichtung Streamlined UV disinfection device
09/08/2005DE10353544B3 Double pyramid structure for building has outer pyramid with slits to admit visible light and IR and has inner pyramid containing accommodation and has spray producing stream of water down outside
09/08/2005DE10218193B4 Ionenaustauscherzelle zur kontinuierlichen, elektrochemischen Wasseraufbereitung und Verfahren zur Aubereitung von Wasser For the continuous ion exchange, electrochemical water treatment and process for Aubereitung of water
09/08/2005DE102004029874A1 Electrolytic process to reduce the quantity of grease and edible oils discharged as kitchen waste in effluent water
09/08/2005DE102004007751A1 Air humidifying device for production process has gas input device and water atomizing device
09/07/2005EP1571128A1 Microbiocide for desinfection of industrial water circulation systems
09/07/2005EP1569749A1 Improved arsenic removal media
09/07/2005EP1432648B1 Filter device with a uvc lamp and a cleaning arrangement for said uvc lamp
09/07/2005EP1392410B1 Water treatment apparatus
09/07/2005EP1377886A4 Dual solid chemical feed system
09/07/2005EP1242806A4 Method and apparatus for decontaminating fluids using ultraviolet radiation
09/07/2005EP1109739A4 Organic impurity removal process for bayer liquors
09/07/2005CN2723492Y Circulation purifying water saving washing machine
09/07/2005CN2723436Y Metal recovering device used in waste water treating
09/07/2005CN2723435Y Device for treating oil containing brackish waste water
09/07/2005CN2723434Y Multiple stage shallow hydraulic spiral flow clarifier
09/07/2005CN2723433Y Waste water pressure setting tank
09/07/2005CN2723432Y Ion high voltage static water treating device
09/07/2005CN2723431Y Ultraviolet water purifier
09/07/2005CN2723430Y Combined filter core sterilizing and virus killing water purifier
09/07/2005CN2723429Y Device for preparing distilled water by solar energy
09/07/2005CN2723428Y Large plate type evaporator
09/07/2005CN2723427Y Connector for water purifier pipe
09/07/2005CN2723426Y Intelligent IC card waste water treating metering and controlling device