Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
01/2003
01/15/2003EP0994961A4 Homoserine lactones biofilm regulating compounds and their methods of use
01/15/2003EP0932436B1 Water and wastewater treatment system with internal recirculation
01/15/2003EP0929358B1 Improved water treatment system
01/15/2003CN2531243Y De-slugding device for pipeline
01/15/2003CN2530945Y Intelligent device for preparing concentrated high-solvency oxygen water
01/15/2003CN2530944Y 再生塔 Regeneration tower
01/15/2003CN2530943Y Acceleration setting pond for cylinder impeller machinery
01/15/2003CN2530942Y Audio magnetic water device
01/15/2003CN2530941Y Membrane bioreactor for treatment of sewage
01/15/2003CN2530940Y Gas-water backflush device of membrane for membrane bioreactor
01/15/2003CN2530939Y Device for treatment of oil-well sewage
01/15/2003CN2530629Y Full-automatic rare earth multi-functional ion bathing device
01/15/2003CN1391436A Waste-water purification in cattle-breeding system
01/15/2003CN1390951A Molecular ecological monitor method for parallelly comparing structures of microbial communities
01/15/2003CN1390792A Water-treating agent for desizing sewage
01/15/2003CN1390791A Cleaner for treating water and its preparing process
01/15/2003CN1390790A Compound multi-element pdyaluminium as water cleaner
01/15/2003CN1390789A Improved internal electrolytic iron bed apparatus for treating water
01/15/2003CN1390788A TiO2 film photo catalyzing equipment for cleaning water
01/15/2003CN1390787A Artificial wet field facilities for treating sewage
01/15/2003CN1390646A Composite regenerant for resin
01/15/2003CN1390621A Water filters
01/15/2003CN1390616A Fine filter with side flow filtration and lateral flow filtration varying porosity with simple structure
01/15/2003CN1098817C Method for removing chlorine ion in salt and alkali sludges
01/15/2003CN1098813C Physic and chemical condensation method for treatment of foulwater
01/15/2003CN1098812C Extracting and recovering treatment method for agricultural chemicals waste water
01/15/2003CN1098805C Production of sodium thiosulfate
01/14/2003US6507028 Radiation source module
01/14/2003US6506449 Method for manufacture of static filtration media
01/14/2003US6506428 Ozone cleaning and sanitation method and apparatus for ice and ice conveyance systems
01/14/2003US6506418 Concentrated aqueous bromine solutions and their preparation
01/14/2003US6506311 Method and apparatus for processing wet material
01/14/2003US6506309 Ozone dissolving system for a reservoir
01/14/2003US6506308 Complexing bacterial, plant, algal, fungal components or endotoxins with synthetic hydrated calcium silicate; centri-fugation or sedimentation separation
01/14/2003US6506307 Recovering spilled oil, gasoline, kerosene, solvents, hydro-carbons, pentachlorophenol, creosote or other liquids using water washed and dried naturally hydrophobic banana, palm, plantain, cavendish plant, pineapple or coconut fibers
01/14/2003US6506306 Method and an apparatus for treating wastewater from a chemical-mechanical polishing process used in chip fabrication
01/14/2003US6506299 Variable resonance descaling decalcifier device connected to a forced sequential rephasing transformer
01/14/2003US6506284 Reduced-pressure distillation system
01/14/2003US6505744 Solid-liquid separation equipment in particular for biological purification of wastewater
01/14/2003US6505648 Liquid treatment by cavitation
01/14/2003US6505477 Water generator
01/14/2003CA2298122C Water and wastewater treatment system and process for contaminant removal
01/09/2003WO2003002774A1 A method for the removal of metals from an aqueous solution using lime precipitation
01/09/2003WO2003002468A1 A process for reducing concentrations of hair, trash, or fibrous materials in a waste water
01/09/2003WO2003002467A1 Mixtures of halogen-generating biocides, halogen stabilizers and nitrogen containing biocides
01/09/2003WO2003002466A1 Method for antioxidation and antioxidative functional water
01/09/2003WO2003002465A1 Water activating device
01/09/2003WO2003002464A1 Polysaccharides with oxime or amine functions which are used for water treatment and sludge conditioning
01/09/2003WO2003002463A1 Method and apparatus for water purification by uvc-irradiation
01/09/2003WO2003002462A1 Carbon dioxide enhanced complex-adsorption process for metal or metalloid removal from water
01/09/2003WO2003002461A1 Process based on the use of zeolites for the treatment of contaminated water
01/09/2003WO2003002460A1 Process for removing sodium sulfate from nickel hydroxide effluent streams
01/09/2003WO2003002406A1 Management of water ballast in marine vessels
01/09/2003WO2003001931A1 Microbiological control in poultry processing
01/09/2003WO2003001895A2 Extraction and recovery of ions from a solution
01/09/2003WO2002092515A3 Method and apparatus for treating wastewater
01/09/2003WO2002085790A3 Gas dissolved water producing apparatus and method thereof for use in ultrasonic cleaning equipment
01/09/2003WO2002083578A3 Process and apparatus for the removal of scale build-up
01/09/2003WO2002012125A3 Thermal water treatment
01/09/2003WO2000072932A3 Water softener valve
01/09/2003US20030008779 Absence of visible separation of hydroxyethylcellulose and a sulfonic acid functional polymer after standing in ambient solution for 3 months, solubility reading of < 20 nephelometric turbidity units and concentration of 2.5%
01/09/2003US20030007909 Apparatus for generating ozone, oxygen, hydrogen, and/or other products of the electrolysis of water
01/09/2003US20030006513 Production method of electronic parts and water treatment apparatus
01/09/2003US20030006203 Method and apparatus for treating fluids
01/09/2003US20030006200 Flowing a portion of mixed liquor through a screen in a side stream before entering water treatment system
01/09/2003US20030006199 Antimicrobial sand filter consists of organic quaternary ammonium salt and inorganic metal compound
01/09/2003US20030006198 Chemical decontamination apparatus including an oxidizing solution reservoir for storing oxidizing agent, reducing solution reservoir for storing reducing agent, transfer pump; for chemical removal of radioactive substances
01/09/2003US20030006197 Contacting aqueous liquid with a polyarylamine polymer formed by the reaction of less than 2 moles of aldehyde per mole arylamine in the presence of acid in aqueous solution
01/09/2003US20030006196 Reduction process
01/09/2003US20030006195 Divalent and trivalent metal salts are added to solution containing fluorine compound and polymer containing fluorine to precipitate layered double hydroxide containing fluorine compound between layers
01/09/2003US20030006194 Concrete grindings reclamation system
01/09/2003US20030006189 Liquid percolated through packed filter bed of carrier material, in particular of activated carbon, which is colonised with aerobic bacteria and which forms an adsorbent for organic compounds, recirculated through membrane filter
01/09/2003US20030006188 Separator for liquids containing impurities
01/09/2003US20030006181 Occurring in the biological treatment of aqueous organic wastes; plurality of ozone treating reactors in series, agitation of the biosludge under a pressurized condition
01/09/2003US20030006180 Point-of-use water treatment system
01/09/2003US20030006176 Electric thermos bottle capable of filtering flowing water
01/09/2003US20030006144 Electrolysis cell for generating chlorine dioxide
01/09/2003US20030005960 Bypass water-treatment dispenser bleed-valve w/cap-lock & post-mount
01/09/2003DE20216237U1 Flotation system used for producing micro-bubbles in water or similar liquids comprises a pump, reactor and air chamber
01/09/2003DE20212730U1 Solar system, used for heating and storing water, comprises storage container blackened in inner region, and transparent film in container
01/09/2003CA2452682A1 Method for antioxidation and antioxidative functional water
01/09/2003CA2452063A1 Mixtures of halogen-generating biocides, halogen stabilizers and nitrogen containing biocides
01/09/2003CA2452014A1 Microbiological control in poultry processing
01/08/2003EP1273414A1 Method for recycling compact disks
01/08/2003EP1273371A2 Iron based powder for remediation and method for remediating soil, water, or gas
01/08/2003EP1273362A1 Method for treating animal meals and/or fats
01/08/2003EP1273334A2 Improved composite filter element
01/08/2003EP1272498A1 Removal of chloride from phosphonomethyliminodiacetic acid process
01/08/2003EP1272434A1 Method and device for producing ultrapure water
01/08/2003EP1272433A2 Sulphur-free lignin and derivatives thereof for reducing the formation of slime and deposits in industrial plants
01/08/2003EP1272432A2 Phenol removal pretreatment process
01/08/2003EP1272431A2 Ozonated solutions of tetrasilver tetroxide
01/08/2003EP1272430A1 Device and method for water treatment by foaming
01/08/2003EP1272260A1 Electrolytic process and apparatus for the controlled oxidation and reduction of inorganic and organic species in aqueous solutions
01/08/2003EP1272257A1 Universal method and apparatus for conversion of volatile compounds
01/08/2003EP1191988A4 Cold distillation method
01/08/2003EP1021377B1 Process and apparatus for water decontamination
01/08/2003EP1017632B1 Method of treating the circulation water from wet-wash spray booths
01/08/2003CN2529867Y Hot spring producer
01/08/2003CN2529866Y Magnetized water treatment appts.