Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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04/28/1992 | US5108563 Electrolysis of waste to remove polluents |
04/28/1992 | US5108549 Using membranes |
04/28/1992 | US5108548 Low pressure distillation apparatus |
04/28/1992 | US5107896 Multi-functional valve |
04/28/1992 | CA1299778C Method and system for enriching oxygen content of water |
04/28/1992 | CA1299512C Decomposing oil-in-water emulsions using metal insert forming hydroxyl complex |
04/27/1992 | WO1992008001A1 Process for recovering raw materials from paper-industry mechanical waste sludges |
04/27/1992 | CA2094809A1 Process for recovering raw materials from paper-industry mechanical waste sludges |
04/25/1992 | CA2028497A1 Composition for chemical and biological treatment of polluted water, and preparation process therefor |
04/23/1992 | DE4102966C1 Process for breaking down emulsified hydrocarbon in water - using anaerobes in reactor, producing water-poor and water-rich phase, where floating and non-floating low water phase are recycled etc. |
04/23/1992 | DE4033489A1 Chlorine and hydrogen recovery from smoke from waste combustion - by sepg. fly ash, scrubbing gas, neutralising circulating scrubbing liquor contg. hydrochloric acid and electrolysing |
04/23/1992 | DE4033342A1 Treating waste water contg. sludge - by addn. of hydrogen peroxide, oxidn. and distillation to remove volatiles |
04/23/1992 | DE4033012A1 Dewatering esp. of clarification sludge - by combined centrifugal filtering and pressurised gas filtering |
04/22/1992 | EP0481746A1 Recovery of surfactant from papermaking process |
04/22/1992 | EP0481669A2 Monofluorophosphate solubility inhibitor for lead in potable water sources |
04/22/1992 | EP0481576A2 Membrane electrolytic cell |
04/22/1992 | EP0481541A1 Process for treating refinery slurries |
04/22/1992 | EP0481269A2 Water conditioning agent and/or water germicide without perborate or borate, method for its production and its use |
04/22/1992 | EP0481049A1 Binder for absorbing oily liquids |
04/22/1992 | EP0207951B1 Osmotic concentration by membrane |
04/22/1992 | CN2102290U Purifying divice for mine water |
04/22/1992 | CN2102289U Pen type multifunctional water magnetizing device |
04/22/1992 | CN2102288U Chlorine dioxide synergistic sterilizer generator |
04/22/1992 | CN2102287U Drinking water sterilizing and purifying bag |
04/22/1992 | CN2102155U Ion-exchanging treating device |
04/22/1992 | CN2102149U Drinking water purifier |
04/22/1992 | CN2102070U No-scale magnetization air pot |
04/22/1992 | CN2102055U Magnetization cup |
04/22/1992 | CN1060453A Aeration of liquids |
04/22/1992 | CN1060452A Removal of cyanide from aqueous streams |
04/22/1992 | CN1060451A Flocculant for water treatment and method for producing it |
04/22/1992 | CN1060450A Method for clarifying tailing water |
04/22/1992 | CN1060412A Magnetotherapeutic health drinking vessel |
04/21/1992 | US5106512 Portable air-water generator |
04/21/1992 | US5106510 Combined filtration and fixation of heavy metals |
04/21/1992 | US5106509 Process for the removal of fluoride from waste water |
04/21/1992 | US5106508 Integrated process for cyanide and heavy metal removal from plating process waste streams |
04/21/1992 | US5106507 Method for recovering hydrocarbon contaminants from wastewater |
04/21/1992 | US5106503 Ultra-pure water supply piping system |
04/21/1992 | US5106501 Multi-function filter cartridge with flow distribution control |
04/21/1992 | US5106500 Portable water purification system including a filter cleaning mechanism |
04/21/1992 | US5106497 Water treatment |
04/21/1992 | US5106496 Treatment of volatile organic substances at waste water treatment plants |
04/21/1992 | US5106495 Portable water purification device |
04/21/1992 | US5106493 Gray-water reclamation and reuse system |
04/21/1992 | US5106491 Device for eliminating boiler scale using arrangement of magnetic coils and baffle plates |
04/21/1992 | US5106464 Dialysis using cationic permselective membrane |
04/21/1992 | EP0594566A4 High pulsed voltage systems for extending the shelf life of pumpable food products. |
04/21/1992 | CA1299162C Catalyst resins and process for their preparation |
04/21/1992 | CA1299096C Method for the control of mollusks |
04/21/1992 | CA1298954C Compound containing ferric ferrous salt and a producing method thereof |
04/20/1992 | WO1992006926A1 Chemical feed apparatus |
04/20/1992 | WO1992006925A1 Apparatus and method for hydrolysis of cyanide-containing liquids |
04/18/1992 | CA2027808A1 In-pool convection saltwater chlorinator |
04/16/1992 | WO1992006146A1 Method of absorbing hydrophobic water-immiscible liquids |
04/16/1992 | WO1992006042A1 Fluid treatment apparatus |
04/16/1992 | WO1992006041A1 New electrochemical method for softening hard water and apparatus for implementing such method |
04/16/1992 | WO1992006040A1 A method for corrosion-proofing of a water system |
04/16/1992 | WO1992006039A1 Oil absorption method and apparatus utilizing a replaceable bladder |
04/16/1992 | WO1992005855A1 Water filter having a horizontal inlet channel |
04/16/1992 | WO1992005838A1 Dichloromethane abatement |
04/16/1992 | DE4138088A1 Environment-friendly spray painting - where spray compsn. contains ultrafiltration throughput setting component and recirculated water conductivity is monitored |
04/16/1992 | DE4032265A1 Domestic multistage drinking water filter unit - comprises inlet and outlet three=way valves, connection line and non-return valve |
04/16/1992 | CA2093446A1 Fluid treatment apparatus |
04/16/1992 | CA2053163A1 Monofluorophosphate solubility inhibitor for lead in potable water sources |
04/15/1992 | EP0480779A1 Process for the physical-chemical treatment of liquids |
04/15/1992 | EP0480474A1 Method for removing polyclorinated dibenzodioxins and polychlorinated dibenzofurans from paper mill sludge |
04/15/1992 | EP0480386A1 Polytetraalkylammonium and polytrialkylamine containing ligands bonded to inorganic supports and processes of using the same for removing and concentrating desired ions from solutions |
04/15/1992 | EP0480243A1 A method for purifying waste and/or drinking water |
04/15/1992 | EP0480216A1 Process for the treatment of wash water from gas scrubbers of an iron ore reduction plant |
04/15/1992 | EP0480055A1 Method of purifying lacustrine water and filthy water purification boat |
04/15/1992 | CN2101668U Filpping magnet scale remover |
04/15/1992 | CN2101667U Water magnetizer with permanent-magnet alternating magnetic field |
04/15/1992 | CN2101666U Spray type desalination device for sea water |
04/15/1992 | CN2101519U Civil water filter |
04/15/1992 | CN2101494U Multifunctional magnetic cup with drug |
04/15/1992 | CN2101447U Electric magnetic thermos |
04/15/1992 | CN2101427U Fast megnetic cup |
04/15/1992 | CN2101426U Magnetotherapy cup |
04/15/1992 | CN1060278A Process for production of solid polyiron sulfate |
04/15/1992 | CN1060226A Devulcanizing agent prepared from waste acidic liquid and preparing process thereof |
04/14/1992 | US5104554 Removing radon by downhole sparging of air |
04/14/1992 | US5104552 Reduction of clay in sludges to be dewatered |
04/14/1992 | US5104551 Method of flocculating clay-containing waste slurries |
04/14/1992 | US5104550 Precipitation of carbonate or bicarbonate ions with excess calcium hydroxide and removal; ozone and hydrogen peroxide oxidants |
04/14/1992 | US5104549 Waste treatment process for alkaline waste liquid |
04/14/1992 | US5104548 Controlling and recovering oil spills from the environment |
04/14/1992 | US5104546 Pyrogens separations by ceramic ultrafiltration |
04/14/1992 | US5104545 Process for removing water soluble organic compounds from produced water |
04/14/1992 | US5104544 Refining of a rare earth including a process for separation by a reverse osmosis membrane |
04/14/1992 | US5104528 Floating decanter |
04/14/1992 | US5104525 Portable self-contained water remediation package |
04/14/1992 | US5104505 Controlled cooling by circulation of coolant through spaced hollow fibers in electrophoresis vessel |
04/14/1992 | US5103653 Flow of air or water melts ice in bottom of bin; automatic control of water level |
04/14/1992 | CA1298923C Process for treating waste water containing uranium and fluorine |
04/14/1992 | CA1298831C Cationic and anionic lignin, amines |
04/14/1992 | CA1298821C Device for separating fine particles of solid matter from waste fluid |
04/14/1992 | CA1298794C Hazardous waste treatment process |
04/14/1992 | CA1298753C Method of removing amine from oil |
04/13/1992 | CA2046118A1 Method for removing polychlorinated dibenzodioxins and polychlorinated dibenzofurans from paper mill sludge |