Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/2001
05/31/2001WO2001038231A1 Device suitable for treating liquids, in particular contaminated water
05/31/2001WO2001038230A1 Water improvement agent containing coral sand
05/31/2001WO2001038229A2 A method for cleaning wastewater from petroleum and oil contamination
05/31/2001WO2001038228A1 A method for anion-exchange adsorption and thioether anion-exchangers
05/31/2001WO2001038227A2 A method for anion-exchange adsorption and anion-exchangers
05/31/2001WO2001038226A2 Method and device for the treatment of fluids
05/31/2001WO2001037995A2 Immobilized ion exchange materials and processes for making the same
05/31/2001WO2001037986A1 Organic absorbent geotextile
05/31/2001WO2001037961A2 Method for continuous processing of fluids using supercritical fluids and microwave energy
05/31/2001WO2001037675A2 Sterilization of liquids using ultra-violet light
05/31/2001US20010002313 Includes central manifold which rotates about a verticle axis having longitudinally spaced openings adapted to eject filtrate in a horizontal direction and along a vertical plane towards the wall of the tank; retrofits existing bioreactors
05/31/2001DE19957406A1 Direct current electro-chemical process liberates soaked limescale from metal water systems by dissolving contact interface
05/31/2001DE19957073A1 Waste water disinfected by modular bank of ultra violet lamps removable as a unit for cleaning by hand electrically operated brush and hose unit
05/31/2001DE19956726A1 Removing heavy metal, especially nickel, ions from waste water in the metal processing industries by further treating the hydroxide precipitate with an excess of sulfide and then filtering and oxidizing the sulfide
05/31/2001DE19956348A1 Reducing biofouling in aqueous (especially cooling water) systems by treatment with an aqueous peracid composition at specified intervals
05/31/2001DE19955459A1 Therapeutic drinking water oxygen-enriched and sterilized to individual requirements by array of pressurized mixer vessels
05/31/2001DE19948828A1 Verfahren und Vorrichtung zur Sanierung von kontaminiertem Grundwasser Method and apparatus for remediation of contaminated groundwater
05/31/2001DE10004590A1 Waste water treatment, especially for use in the paper industry, comprises pre-treatment, eg by filtration or complex-former addition, prior to multistage membrane filtration and combustion of residues
05/31/2001CA2392661A1 Immobilized ion exchange materials and processes for making the same
05/31/2001CA2392312A1 A method for removal of solid deposits from electrode surfaces in water disinfecting systems using electrolytic cells, and a device for use thereof
05/31/2001CA2392304A1 Device suitable for treating liquids, in particular contaminated water
05/30/2001EP1103264A2 Active oxygen containing solution for promoting growth of tissue cells at wound sites
05/30/2001EP1102725A1 Composition for use in a water reservoir
05/30/2001EP1102724A2 Method and installation for treating waste water from oil seed and cereal processing
05/30/2001EP1102723A1 Liquid treatment by cavitation
05/30/2001EP1102722A1 Method for dispersing insoluble mineral sediments and additives for carrying out this method
05/30/2001EP1102721A2 Method and device for separating biomass from water
05/30/2001EP1102621A1 Method for reducing scaling in electrodeionization systems
05/30/2001CN2432207Y Ozonator of ozone flowing water machine
05/30/2001CN2432206Y Wet air oxidizing reactor
05/30/2001CN2432205Y Pen type water purifier
05/30/2001CN2432085Y 污水处理车 Sewage car
05/30/2001CN1297425A Inorganic composition, process of preparation and method of use
05/30/2001CN1297148A Method for measuring ozone treated level for liquid to be treated
05/30/2001CN1297090A Intelligent equipment for ensuring both pressure and quality of running water
05/30/2001CN1296923A Process for preparing mineralized water specially adapted for tea
05/30/2001CN1296921A Full-nitrient mineralized water
05/30/2001CN1296920A Process for high-quality treatment of waste dyeing water with waste solution of ferrous sulfate or ferrous chloride
05/30/2001CN1296919A Solar seawater desalinating apparatus
05/30/2001CN1296918A Industry for treating sewage by filling up sea
05/30/2001CN1296857A Groundwater filter for producing drinking water
05/30/2001CN1066419C Apparatus and method for treatment of self-energizing fluid using external electrodes
05/29/2001US6239558 System for driving a cold-cathode fluorescent lamp connected to a piezoelectric transformer
05/29/2001US6238811 Comprising a magnet and a semiconductor material consisting of a mixture of p-type and n-type semiconductor powders; concurrent generation of both an electrostatic field and a magnetostatic field; medical equipment
05/29/2001US6238631 Three-dimensional, photocatalytic filter apparatus
05/29/2001US6238630 Photocatalyst device and photocatalyst reactor
05/29/2001US6238628 Photolytic device for breakdown of organic chlorine compounds
05/29/2001US6238576 Chemical liquid supply method and apparatus thereof
05/29/2001US6238574 Oxidation and ammoxidation of acrylonitrile process waste water organics
05/29/2001US6238573 Water treatment
05/29/2001US6238572 Separation tank module for kitchen effluent
05/29/2001US6238571 Removal of contaminant metals from waste water
05/29/2001US6238570 Water pollution control
05/29/2001US6238569 Flotation pile oil/water separator apparatus
05/29/2001US6238568 Antideposit agents
05/29/2001US6238564 Sludge treatment method
05/29/2001US6238557 Injection quill for water treatment
05/29/2001US6238555 Amperometric halogen control system
05/29/2001US6238553 Buoyant water chlorinator with temperature, pH measurement and chlorine concentration displays
05/29/2001US6238552 Universal insert for a water purifier
05/29/2001US6238546 Plate shaped electrodes
05/29/2001US6238544 Method of purification of salt solutions for electrolysis
05/29/2001US6237897 Oxygenator
05/29/2001US6237352 Water producing and dispensing machine
05/29/2001CA2291210A1 In-situ removal of arsenic from well water
05/29/2001CA2182357C Method of treating waste water to remove harmful ion by coagulating sedimentation
05/29/2001CA2142219C Fully automated washing machine
05/29/2001CA2031286C Methods for the biological inactivation of nucleic acids
05/25/2001WO2001036339A1 Process and apparatus for the control of undesirable organisms in a water system
05/25/2001WO2001036338A1 Process and system for treatment of waste streams containing water-soluble polymers
05/25/2001WO2001036336A1 DEVICE FOR INCREASING pH OF AN AQUEOUS STREAM
05/25/2001WO2001036076A1 Method and product for cleaning hollow fiber material and filter
05/25/2001WO2001036075A1 Immersed membrane filtration system and overflow process
05/25/2001WO2001036074A1 Immersed membrane element and module
05/24/2001US20010001655 A reaction solution containing a chlorite and a halogen-free oxidizer present upto double the required stoichiometric amount, pH of the solution is set between 5-9 by adding sodium dihydrogen phosphate to form chlorine dioxide
05/24/2001US20010001651 Passing the polluted fluid through an adsorbing layer containing a high-silica adsorbent which adsorbs both ozone and pollutant, when pollutant comes in contact with ozone, it oxidizes and decomposes the pollutant adsorbed
05/24/2001US20010001511 Mixing polyphosphonate, orthophosphate and phosphonate powder with water to initiate exothermic reaction, pouring the material into a mold placed inside an insulated hermetic cabinet and allowed to quiescently cool and form solid cake
05/23/2001EP1102064A1 Method for determining the necessary ozone treatment of a liquid to be treated
05/23/2001EP1101787A2 Organosiloxanes containing trisamino- and fluoroalkyl functional groups
05/23/2001EP1101754A2 Method for the reduction of sulphur-containing, nitrification-inhibiting compounds
05/23/2001EP1101738A2 Apparatus and method for waste water treatment
05/23/2001EP1101737A1 Method of sedimentation of collodial semiconductor particles
05/23/2001EP1101544A1 Method for washing and sterilising beer supply pipe
05/23/2001EP1101510A1 Condensate of superoxide anion radical abolisher, producing method thereof and superoxide anion radical abolisher powder
05/23/2001EP1101226A2 Method and device for separating a neutron absorber from a cooling medium
05/23/2001EP1101032A1 Magnetic processor
05/23/2001EP1100612A2 Method and device for removing nitrogen oxides from exhaust gases
05/23/2001EP1100606A1 Water filtration apparatus
05/23/2001EP1100341A1 Environmentally compatible processes compositions and materials treated thereby
05/23/2001EP1062026A4 Large tube assemblies for reverse osmosis
05/23/2001EP1034037B1 Method for optimising the operating cycle of a water treatment unit
05/23/2001EP0951331B1 Filter devices
05/23/2001EP0844981B1 Biomagnetic separation
05/23/2001EP0683756B1 Reactor for biological sewage purification
05/23/2001DE19956121A1 Water cleaning assembly for a car wash station etc has a watertight buffer working with the canned filter unit to allow back flushing by compressed air bursts without air entering the filter
05/23/2001CN2431327Y Ozone sterilizing structure for urinal
05/23/2001CN2431279Y Sterilizing releasing machine for drinking water
05/23/2001CN2431278Y Mangetic filtering water purifier
05/23/2001CN2431277Y Eddy multi-directional filter
05/23/2001CN2431276Y Purifying filter with porous filter membrane sterilizer for directly drinking running water