Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
08/1998
08/19/1998CN2288178Y Super efficient water purifier
08/19/1998CN2288177Y Submerged filter
08/19/1998CN2288175Y Water purifying health box
08/19/1998CN2288174Y Treater for domestic sewage
08/19/1998CN2287993Y Shift type automatic contamination draining water purifier
08/19/1998CN2287796Y Ultraviolet sterilizing lamp device
08/19/1998CN1190948A Electrochemical cell
08/19/1998CN1190869A Potentiation of biocide activity using an n-alkyl heterocyclic compound
08/19/1998CN1190646A Water treatment method by ozonation and relative treatment apparatus
08/19/1998CN1039545C Frame type fixed bed electrode electrolyzer and its industrial application
08/18/1998USRE35871 Water reclamation system and method
08/18/1998US5795926 Preparation of finely divided polymer powders
08/18/1998US5795842 Floating aticle
08/18/1998US5795551 Floating chemical dispenser with delay for swimming pools
08/18/1998US5795487 Process to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial fouling
08/18/1998US5795486 Adding in stoichiometric excess, separating precipitate formed
08/18/1998US5795485 Containing metal chelating polymer
08/18/1998US5795481 Water treatment and purification with biological filters
08/18/1998US5795471 Shower head having a water purifying function
08/18/1998US5795459 Apparatus and method for water purification
08/18/1998CA2230436A1 Water filter
08/18/1998CA2097716C Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products
08/18/1998CA2082034C Absorption of materials
08/18/1998CA2044045C Electric iron with a demineralizing cartridge and an improved water reservoir
08/13/1998WO1998035434A1 Control circuit and method for piezoelectric transformer
08/13/1998WO1998034881A1 Receptacle for sterilizing drinking water
08/13/1998WO1998034877A2 Two-component agent for water-treatment in aquariums for tropical fish
08/13/1998WO1998034717A1 Device for controlling, guiding, adjusting, measuring and monitoring liquid flows, and water treatment facility
08/13/1998WO1998034716A1 Method of processing desulfurization absorption liquid and apparatus therefor
08/13/1998DE19806349A1 Assembly couples electrical and magnetic energy fields to enhance application properties
08/13/1998DE19704953A1 Zwei-Komponentenmittel zur Wasserklärung von tropischen Zierfischaquarien Two-component composition for water purification of tropical ornamental fish aquarium
08/13/1998DE19704747A1 Electromagnetic treatment unit for water to prevent deposits in pipes
08/13/1998DE19704656A1 Einrichtung zur Lenkung, Steuerung, Regelung, Messung und Überwachung von Flüssigkeitsströmen und Wasseraufbereitungsanlage Means for directing, controlling, regulating, measuring and monitoring the flow of liquids and water treatment plant
08/12/1998EP0857698A2 Activated sludge system for the purification of waste water from civil building outlets
08/12/1998EP0857695A2 Liquid purification apparatus employing silver electrodes
08/12/1998EP0857694A2 Method for stabilising halogen disinfectant in aqueous system
08/12/1998EP0857514A2 Method of preventing corrosion in a water system
08/12/1998EP0857082A1 A manufacturing method of granulated complex molecular sieve composition having multifunctions
08/12/1998EP0857021A1 Potentiation of biocide activity using an n-alkyl heterocyclic compound
08/12/1998EP0809529A4 Filter material for preparing a beverage
08/12/1998EP0800481B1 Process and device for reducing the nitrate content of water
08/12/1998EP0722424B1 Uv apparatus for fluid treatment
08/12/1998EP0710217A4 Method of aeration of liquids
08/12/1998CN2287622Y Multilayer fiber water treatment equipment for removing iron and mangense
08/12/1998CN1190100A Aqueous dispersions based on water-soluble polymers
08/12/1998CN1039486C Synergistic catalyst for regeneration maintenance of hard water softening apparatus
08/11/1998US5792942 Apparatus for determining properties of slurry materials and sludge treating process
08/11/1998US5792441 Fixed-resin bed technologies for the treatment of the chlorine dioxide generator effluent and feeds stream
08/11/1998US5792433 Light irradiating device with easily replaceable light irradiating lamps
08/11/1998US5792371 Method of disinfecting water with iodine species
08/11/1998US5792370 Chemical method for destruction of pathogenic organisms in water
08/11/1998US5792369 Disinfecting a water stream by exposing a small amount to bromide or iodide salts of silver, sodium or calcium, mixing with oxidizing gases and mixing with copper, manganese and/or silver ions; laundries; air conditioning; aircraft heads, etc
08/11/1998US5792365 Flocculation of colloidal dispersion of dissolved particles using montmorillonite in polar liquid to form aggregates
08/11/1998US5792364 Wastewater treatment process for vacuum degasser effluent
08/11/1998US5792363 Method for removing solids from a contaminated liquid
08/11/1998US5792362 Recirculation of water containing microscopic air bubbles into pool water to cause floatation of settled sediment for removal by skimming
08/11/1998US5792361 Method for treatment of an aqueous waste material
08/11/1998US5792360 Water treatment system comprising water-soluble glass
08/11/1998US5792351 Spinning filter separation system for oil spill clean-up operation
08/11/1998US5792343 Brine supply system
08/11/1998US5792336 Method for purification of wastewater from soluble substances
08/11/1998US5792315 Purifying aqueous effluent from a pulp mill using electro chemical membrane device
08/11/1998US5792313 Concentrating the solution in presence of an acid and a base flow alternatively preventing clogging
08/11/1998CA2229195A1 Inline cartridge filter
08/11/1998CA2075134C Process for denaturing water-dilutable paints and solvent-based paints and denaturation solution used in this process
08/11/1998CA2010535C Method and solid material body for the purification of fluids such as water, aqueous fluids and liquid fuels
08/06/1998WO1998033829A1 Triphenylboron-containing polymer and use thereof
08/06/1998WO1998033744A1 Water purification device
08/06/1998WO1998019788A3 Method and apparatus for dissociating materials
08/06/1998DE19715084A1 Vibrator assembly de-waters wet sludge held in perforated bag or container
08/06/1998DE19704046A1 Solar still based on double-walled plates
08/06/1998DE19650191C1 Process and assembly to filter water provided especially for domestic drinking purposes
08/06/1998DE19647562A1 Pre-treatment of nitrogenous waste liquor
08/05/1998EP0856597A1 Process for monitoring the electrolyte circulation in an electrolysis cell
08/05/1998EP0856596A2 Filtration device for extending the duration of the fluid
08/05/1998EP0856491A2 Apparatus for producing ozone water
08/05/1998EP0856359A1 Apparatus for magnetic purification
08/05/1998EP0856351A2 Electrodialysis apparatus
08/05/1998EP0856345A1 Assembly for degassing ground and/or waste water
08/05/1998EP0643617B1 Unit for treating liquid
08/05/1998CN2287156Y Static pressure water purifier for removing iron and managanese
08/05/1998CN2287155Y Catalytic deoxygenating and deferrizating combined apparatus
08/05/1998CN2287154Y Ionization generator for drinking water
08/05/1998CN2287153Y Magnetic water purifier
08/05/1998CN2287152Y Electrolyzing apparatus for water treatment
08/05/1998CN2287151Y Belt-floating recovery apparatus for oil on water surface
08/05/1998CN2287150Y Super-purifying,-minerizing and-magnetizing apparatus for dirnking water
08/05/1998CN1189808A Stabilized alkali or alkaline earth metal hypobromite and process for its prodn.
08/05/1998CN1189463A Method for extracting chromium from chroming waste water and waste slag
08/05/1998CN1189462A Tech. for treatment of waste water containing cyanogen by hydrogen peroxide oxidation process
08/05/1998CN1189461A Waste water treatment method in reduction method for prodn. of strontium carbonate
08/05/1998CN1189460A Simple method for coagulating waste water
08/04/1998US5790934 Apparatus for photocatalytic fluid purification
08/04/1998US5789755 Method and apparatus for removal of material utilizing near-blackbody radiator means
08/04/1998US5789488 Water treatment
08/04/1998US5789239 Composition and process for the avoidance of slime formation and/or for the removal of biofilm in water-bearing systems
08/04/1998US5788937 Method for the recovery of silver value from aqueous solution
08/04/1998US5788933 Support in an ion exchange water softener formed of acrylonitrile-butadiene-styrene terpolymer
08/04/1998US5788865 Process for separating a hydrophobic liquid from a liquid contaminated therewith
08/04/1998US5788858 Transportable; reverse osmosis filtration