Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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11/04/1986 | CA1213558A1 Method of purifying trivalent chromium electroplating baths |
10/29/1986 | EP0199710A2 Electrolytic cell and its use in separating emulsions, for flotation and/or for liquid-liquid extraction under the influence of an electric field |
10/29/1986 | EP0199554A1 Removal of halogen from halogenated compounds |
10/29/1986 | EP0199521A2 An antimicrobial composition |
10/29/1986 | EP0199335A2 Process for removing metal complexes from waste solutions |
10/29/1986 | CN86200675U Sterilizing and purifying device for drinking water |
10/28/1986 | US4619819 Phosphoric acid composition |
10/28/1986 | US4619763 Purification of drinking water |
10/28/1986 | US4619745 Process for the electrochemical decontamination of water polluted by pathogenic germs with peroxide formed in situ |
10/28/1986 | US4619744 Soluble crosslinkable polyelectrolyte |
10/28/1986 | CA1213246A1 Electrostatic water treatment |
10/28/1986 | CA1213236A1 Clarification of black water produced during recovery of bitumens and heavy oils |
10/23/1986 | WO1986006059A1 Filter apparatus for removing hydro carbon contaminents from water, particularly for purifying oil contaminated water |
10/22/1986 | EP0198334A2 Water clarifier and sewage treatment device |
10/22/1986 | EP0198022A1 Evaporative heat exchanger |
10/22/1986 | CN86201739U Continue water treatment equipment with single valve and multiple posts |
10/22/1986 | CN86102713A Adsorbent for recovery of bromine and bromine-recovering process using the same |
10/22/1986 | CN86102296A Water treatment plastic products for rectangular clarifiers |
10/21/1986 | US4618709 Waste water treatment in the production of methacrylic acid |
10/21/1986 | US4618430 Using gas to float waste to surface, then blowing into outlet |
10/21/1986 | US4618429 Method of maintaining adequate seed crystal in preferential precipitation systems |
10/21/1986 | US4618428 Membrane-based solvent extraction of aqueous solutions |
10/21/1986 | US4618427 Method of treating and breaking up a liquid with the help of centripetal force |
10/21/1986 | US4618414 Process for separating mineral ultra-fine grain from washings obtained in coal processing or from coal slurries |
10/15/1986 | EP0197213A1 Treatment of a medium for the reduction of biofouling |
10/15/1986 | CN85108327A Process for treating industrial waste water containing phenol |
10/15/1986 | CN85103030A Process for treating waste water containing latex |
10/14/1986 | US4617130 Cavitation |
10/14/1986 | US4617124 Polymeric microfibrous filter sheet, preparation and use |
10/14/1986 | US4617123 Processes and installations for treating waste waters issuing from the manufacture of sauerkraut |
10/14/1986 | US4617117 Housing assembly with removable jacked cover |
10/14/1986 | CA1212643A1 Mutation assays involving blood cells that metabolize toxic substances |
10/14/1986 | CA1212633A1 Device for selective and continous recuperation of hydrocarbons spilled on a water body |
10/14/1986 | CA1212556A1 Multiple-use coal-humus-based, treatment and processing medium |
10/14/1986 | CA1212554A1 Heatpump |
10/09/1986 | WO1986005822A1 Method of deposition of uniform, substrate-independent metal layers on solid and liquid material surfaces, and/or metal depletion of solutions |
10/09/1986 | WO1986005772A1 Method and apparatus for reducing pitting in copper water pipes |
10/08/1986 | EP0196884A2 Turbine agglomerated calcium hypochlorite particle |
10/08/1986 | EP0196597A2 Process for treating ammonium nitrate-containing waste water |
10/08/1986 | EP0196506A2 Process and apparatus for the separation of sulfate from waste water |
10/08/1986 | EP0196402A2 Removal of dioxins, PCB's and other halogenated organic compounds from wastewater |
10/08/1986 | EP0196334A1 Method for killing cells, and cytocidal agent |
10/08/1986 | CN85106669A Family mineral spring |
10/08/1986 | CN85102554A Method and apparatus improvement for treatment pickles produced waste water |
10/07/1986 | US4616041 Membranes of substantially non-crosslinked organic polymers |
10/07/1986 | US4616037 Synergistic biocide of 1,5-pentanedial and methylene bis thiocyanate |
10/07/1986 | US4615873 Precipitation of zinc, cadmium, mercury, cobalt, nickel, lead or zinc ferrocyanide |
10/07/1986 | US4615808 Preventing formation of scale; electic power generators |
10/07/1986 | US4615807 Quaternary ammonium salts and organotin mixture to disinfect |
10/07/1986 | US4615799 Household potable water |
10/07/1986 | US4615786 Non ion selective membrane in an EAVF system |
10/07/1986 | CA1212368A1 Spherical ion exchange resin, method for producing the same and method for adsorption treatment using the same |
10/07/1986 | CA1212349A1 Use of chelating agents in water desalination |
10/07/1986 | CA1212240A1 Process for removal and recovery of mercury from waste water |
10/01/1986 | EP0195934A1 Water-treatment device, suitable for being installed in a pipe |
10/01/1986 | EP0195877A1 Process for depositing a uniform metal hydroxide layer on substrates and for extracting metals in solution |
10/01/1986 | EP0195819A1 Method for ion-exchange or adsorption |
10/01/1986 | CN86102728A Process for treating ammonium nitrate-containing waste water |
10/01/1986 | CN85102690A Method of treating waste water containing cyanide |
09/30/1986 | US4614645 Wet treatment |
09/30/1986 | US4614596 Roatation, varying velocities |
09/30/1986 | US4614595 Method of water treatment |
09/30/1986 | US4614592 Process for removing mercury from aqueous solutions |
09/30/1986 | US4614591 Method to purify water |
09/30/1986 | US4614589 Method and apparatus for biological aerobic wastewater treatment |
09/30/1986 | US4614584 Settling chamber and plurality of drain outlets |
09/30/1986 | US4614582 Removing oil spills |
09/25/1986 | WO1986005510A1 Low-foaming compositions |
09/25/1986 | WO1986005477A1 Liquid membrane system for the removal of nitrate from water |
09/25/1986 | WO1986005413A1 Cross-flow filtration |
09/24/1986 | EP0195297A2 Process and apparatus to close recirculation circuits in water and waste water purification |
09/24/1986 | EP0195160A2 Pool chemical tablet and container |
09/24/1986 | CN86101565A Process and apparatus from waste water remove sulphates |
09/24/1986 | CN85102583A Treatment method and technology for treating sewage from dyeing and printing industry |
09/23/1986 | US4613415 Electrolytic chlorine and alkali generator for swimming pools and method |
09/23/1986 | US4613412 Water reuse in metal plating systems |
09/23/1986 | US4613409 Water treatment |
09/23/1986 | CA1211722A1 Device for the separation of substances contained in a liquid |
09/17/1986 | EP0194290A1 Waste treatment method and device. |
09/17/1986 | CN85105637A Treating dissolved fluorine by adsorption |
09/17/1986 | CN85102296A Method for purification of waste water containing arsenic |
09/16/1986 | US4612247 Magnetic cellulose-derivative structures |
09/16/1986 | US4612126 Clarifying filtering centrifuge and method of use |
09/16/1986 | US4612125 Method for removing heavy metal from wastewater streams |
09/16/1986 | US4612124 Method of sewage treatment |
09/16/1986 | US4612104 Electrochemical cell |
09/16/1986 | US4612090 Water degasification and distillation apparatus |
09/16/1986 | US4612021 Contacting a gas and a liquid to remove an unwanted gas |
09/16/1986 | US4611615 Fluid treatment apparatus and method |
09/16/1986 | CA1211413A1 Method of treating contaminated insoluble organic solid material |
09/16/1986 | CA1211366A1 Fluid diffuser for gases and liquids |
09/16/1986 | CA1211338A1 Insoluble compositions |
09/12/1986 | WO1986005221A1 Method for natural reduction of some injurious substances in upper suboil water magazines |
09/10/1986 | EP0194151A2 Process for the treatment of boiler condensate |
09/10/1986 | EP0194012A1 Control of scale formation |
09/10/1986 | EP0193882A2 Production of peptides containing gamma-glutamic acid unities, cystein-enriched, process for their preparation and their use |
09/10/1986 | EP0193565A1 Apparatus for clarification of water. |
09/10/1986 | CN86101249A Devices for treating water containing calcium carbonate and installation consisting of these devices |
09/09/1986 | US4610848 Device for the dosable addition of a substance to a solvent |
09/09/1986 | US4610801 Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith |