Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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04/21/1987 | CA1220882A1 Apparatus for dissolving ozone in a fluid |
04/21/1987 | CA1220864A1 Water quality early warning system |
04/21/1987 | CA1220739A1 Two component biocidal system |
04/16/1987 | DE3631010A1 Moulded brick arrangement for a floor covering for composting and for purification of waste water or exhaust gas |
04/16/1987 | DE3536149A1 Recovery of fresh water from salt water or brackish water with the aid of solar energy |
04/15/1987 | EP0218487A1 Basic aluminium chlorosulfate, process for its preparation and its use as a coagulating agent |
04/15/1987 | EP0218481A2 Inline dispersal valve |
04/15/1987 | EP0218331A2 Anaerobic treatment of high strength liquors |
04/15/1987 | EP0218066A1 Wastewater purification process |
04/14/1987 | US4657731 Method for removing cesium from an aqueous liquid and purifying the reactor coolant in boiling water and pressurized water reactors |
04/14/1987 | US4657681 Method of converting organic material into useful products and disposable waste |
04/14/1987 | US4657680 Wastewater treatment |
04/14/1987 | US4657678 Twin hydrocyclone |
04/14/1987 | US4657674 Reverse osmosis assembly including an operating valve |
04/14/1987 | US4657672 Immersion type water filter |
04/14/1987 | US4657670 Automatic demand chlorination system |
04/14/1987 | US4657569 Equipment for the generation of cavitation |
04/14/1987 | US4657554 Water-soluble azaphthalocyanines and their use as photoactivators in bleaching |
04/14/1987 | CA1220576A1 Oxidation of polythionates |
04/10/1987 | EP0167569A4 Deoxygenation process and apparatus. |
04/10/1987 | EP0151120A4 Method for removing heavy metals from aqueous solutions by coprecipitation. |
04/09/1987 | WO1987002027A1 Water recirculating apparatus and method |
04/09/1987 | DE3535279A1 Process and apparatus for continuous production and utilisation of condensation water |
04/08/1987 | EP0217402A2 Bactericidal mixture control system |
04/08/1987 | EP0217339A2 Treating aqueous systems with synergistic algacidal compositions |
04/08/1987 | EP0217335A2 Filter apparatus employing hollow fibers |
04/08/1987 | EP0217212A2 Semipermeable composite membrane and process for preparation thereof |
04/08/1987 | EP0217143A2 Composite ion exchanger and method for preparing it |
04/08/1987 | EP0216948A1 Liquid treater having hinge-action cleaning brushes |
04/08/1987 | CN86202493U Pressure-relief evaporator for recovering cyanide plating solution |
04/08/1987 | CN86201582U Fluid magnetizer |
04/08/1987 | CN85108424A Method and apparatus for the clarification of sewage and other impure waste water |
04/07/1987 | USRE32392 Thermally sintered mixture of transition metal oxide and hydroxide and thermoplastic resin; durability |
04/07/1987 | US4656277 Flocculants and for dehydration |
04/07/1987 | US4656059 Wet spray booth treating agent and method for treatment therewith |
04/07/1987 | US4656057 Safening the use of water soluble isothiazolines absorbed on a carrier solid by enclosing in a membrane of hydrophobic film |
04/07/1987 | US4656020 Redovering wastes; pollution control |
04/07/1987 | US4655935 Detoxification of waste water from dithiocarbamate manufacture |
04/07/1987 | US4655934 Basic aluminum halide as flocculants to clarify water |
04/07/1987 | US4655933 System of ionized oxygen allotrope gas water purification and method and apparatus therefor |
04/07/1987 | US4655932 Method and apparatus for the disintegration and destruction of hazardous and toxic sludge materials |
04/07/1987 | US4655931 Waste water treating agent and method for producing the same |
04/07/1987 | US4655930 Process for the removal of elemental oxygen by means of a reducing agent in a coolant circulating in one or more closed circulations, and apparatus for the removal of elemental oxygen |
04/07/1987 | US4655929 Recycling; recovering hydrogen fluoride and ammonium hydroxide |
04/07/1987 | US4655928 Recycling |
04/07/1987 | US4655909 Ion exchange units, regeneration; batch operation |
04/07/1987 | US4655895 Apparatus for purifying effluents and liquids |
04/07/1987 | US4655814 Water soluble violet dye and enzyme |
04/07/1987 | US4655796 Simulated countercurrent flow |
04/07/1987 | CA1220162A1 Subjecting cleaned waste water to anodic oxidation, flocculation, and biological treatment |
04/07/1987 | CA1220130A1 Process for the purification of water |
04/02/1987 | DE3633470A1 Process and apparatus for producing a sludge structure of high surface area |
04/02/1987 | DE3632309A1 Process and apparatus for water treatment |
04/01/1987 | EP0216413A2 A process and an apparatus for the preparation of a disinfectant for water, such as drinking- or swimming-water |
04/01/1987 | EP0216069A2 Process for water oxygenation |
04/01/1987 | CN86205862U Health care device in cup |
04/01/1987 | CN86203085U Automatically controlled duplex tank to directly purify waste water by its circulation at the slot edges |
04/01/1987 | CN85107131A Method for preparing complex coagulant |
04/01/1987 | CN85107021A Condensing method of layered soil |
04/01/1987 | CN85106939A Method and device of dual-coagulation of electrolytic process for industrial sewerage disposal |
03/31/1987 | US4654322 Cysteine residue bonded to carrier |
03/31/1987 | US4654201 Process for producing a flocculating agent |
03/31/1987 | US4654149 Process for treating ammonium nitrate-containing waste water |
03/31/1987 | US4654148 Process for the removal of iron cyanide complex or complexes from an aqueous solution |
03/31/1987 | US4654144 Process for the destruction of noxious gases with ozone |
03/31/1987 | US4654142 Filtering system |
03/31/1987 | US4654139 Monitoring floc growth |
03/31/1987 | US4654071 Process for the treatment of liquid manure |
03/31/1987 | US4654064 Crystallization, vaporization, heat exchanging |
03/31/1987 | CA1219881A1 Extraction of halogenated hydrocarbons from aqueous solutions using phosphine oxides on inert supports as the extractant |
03/31/1987 | CA1219813A1 Evacuation and de-aeration process and device for sludges in an etching bath |
03/26/1987 | WO1987001770A1 Process and device for creating and exploiting a pressure differential and its technical application thereof |
03/26/1987 | WO1987001690A1 Method and device for the oxygen enrichment of waters |
03/26/1987 | WO1987001688A1 Method of treating fluids |
03/26/1987 | WO1987001687A1 Process for removing volatile contents from waste liquids produced in coking plants |
03/26/1987 | DE3533936A1 Sterilising filtration process and water sterilisation apparatus therefor, in particular having a sterilising filter and/ôor a fine clarifying filter |
03/25/1987 | EP0215562A1 Biocidal mixtureand method for the treatment of water |
03/25/1987 | EP0215390A2 Process and device to adjust a pH range in waste water |
03/25/1987 | EP0215377A2 Water treatment package |
03/25/1987 | EP0215087A1 Cross-flow filtration. |
03/25/1987 | EP0215013A1 Magnetic conditioning of hard water. |
03/24/1987 | US4652686 Process for producing hydrocarbons from biological sludge |
03/24/1987 | US4652382 Process and apparatus for continuously treating sewage wastewater by chemical oxidation |
03/24/1987 | US4652381 Battery plant waste water treatment process |
03/24/1987 | US4652378 Solar ponds; flocculation agent |
03/24/1987 | US4652376 Method for disposing emulsifiable oil-containing waste water |
03/24/1987 | US4652375 Process for selectively extracting dissolved salts from aqueous media |
03/24/1987 | US4652371 Integral clarifier |
03/24/1987 | US4652370 Ozone water purifying apparatus |
03/24/1987 | US4652368 Water filtration system |
03/24/1987 | CA1219699A1 Cationic polymer compositions |
03/24/1987 | CA1219545A1 Water heater and distiller apparatus |
03/19/1987 | DE3533098A1 Apparatus for water softening |
03/19/1987 | DE3528197A1 Process for breaking emulsions in which water is present as the continuous phase and apparatus for carrying out the process |
03/18/1987 | EP0214934A2 Evaporation apparatus and installation with such an apparatus for the desalination of sea water |
03/18/1987 | EP0214854A2 Treatment of liquids |
03/18/1987 | EP0214850A2 Method for the control of algae in aqueous systems |
03/18/1987 | EP0214648A2 Deoxygenation and purification of liquids |
03/18/1987 | EP0214577A2 Method of reducing water hardness |
03/18/1987 | CN86202796U Automatic sewage disinfector of hospital |