| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/16/1983 | EP0074278A1 Treatment of contaminated Stretford solutions in gas purification |
| 03/16/1983 | EP0074167A1 Metal contaminant removal |
| 03/15/1983 | US4376753 Corrosion protection system for nuclear power plant |
| 03/15/1983 | US4376679 Solar desalting process |
| 03/15/1983 | CA1143079A1 Process for treating effluent |
| 03/15/1983 | CA1143076A1 Process for removing oils or petroleum hydrocarbons from the surface of the sea |
| 03/15/1983 | CA1142878A1 Process and apparatus for electrolytically removing metal ions from a dilute solution thereof |
| 03/09/1983 | EP0073741A1 Apparatus for the regulation of sewage discharge |
| 03/09/1983 | EP0073262A1 Process for separating cesium ions from aqueous solutions by using an addition compound consisting of a macrocyclic polyether and an inorganic heteropolyacid |
| 03/09/1983 | EP0073261A1 Process for removing cesium ions from solutions by using an addition compound in solid form of a macrocyclic polyether and an inorganic heteropolyacid |
| 03/03/1983 | WO1983000713A1 Means for dispensing in given proportions, and rapidly mixing, effluent purification precipitation chemicals |
| 03/03/1983 | WO1983000683A1 Method for the continuous desalination of sea water |
| 03/02/1983 | EP0072885A1 Process for the decontamination of natural and technical sludges |
| 03/01/1983 | CA1141943A1 Process and equipment for the extraction of solid material from liquid containing solids granulated by heat effect |
| 02/23/1983 | EP0072388A1 Method and apparatus for the removal or partial removal of impurities present in flowing water with a falling gradient |
| 02/22/1983 | US4374933 Method of preparation of porous membranes and adsorbents |
| 02/22/1983 | US4374810 Recovery of fluorine from pond water of wet process phosphoric acid plants and recycling of defluorinated water |
| 02/22/1983 | US4374807 Method for recovering aluminum fluoride from fluorine-containing aqueous aluminum nitrate solutions |
| 02/22/1983 | US4374794 Process for the preparation of a liquid-absorbing and shock-absorbing material |
| 02/22/1983 | US4374732 Resins for removal of organo-sulfur compounds from organic or aqueous media |
| 02/22/1983 | US4374563 Novel package for water sanitizing chemical and method for preparing it |
| 02/22/1983 | CA1141872A1 Process for purifying urea-containing waste water and process for preparing melamine |
| 02/22/1983 | CA1141558A1 Controlled release of trace nutrients |
| 02/16/1983 | EP0072012A2 Treatment of industrial wastewater |
| 02/16/1983 | EP0071990A2 Process for stabilizing aqueous oil field fluids |
| 02/16/1983 | EP0071960A2 Plant and process for the biological purification of waste water |
| 02/16/1983 | EP0071810A1 Removal of metal ions from aqueous medium using a cation-exchange resin having water-insoluble compound dispersed therein |
| 02/15/1983 | US4374283 Purification of aqueous effluent streams containing BPA and phenol |
| 02/15/1983 | US4374199 Using a magnetotactic bacteric in digester |
| 02/15/1983 | US4374028 Process for waste water purification |
| 02/15/1983 | US4374027 Aeration at a food to bacteria ratio of greater than one; dissolved air flotation; sulfite liquors |
| 02/15/1983 | US4374025 Prolonged interaction between resin and brine |
| 02/15/1983 | US4373996 Apparatus for producing fresh water from sea water |
| 02/15/1983 | US4373893 Bench scale drum agglomerator and power means |
| 02/15/1983 | CA1141489A1 Process for reabsorption and retention of phosphorous by activated biomass |
| 02/15/1983 | CA1141331A1 Electrolytic halogen generators |
| 02/09/1983 | EP0071443A1 Device for waste water treatment |
| 02/09/1983 | EP0070960A1 Apparatus for the biological purification of organic waste water |
| 02/08/1983 | US4372929 Energy conservation and pollution abatement at phosphorus furnaces |
| 02/08/1983 | US4372860 Method and an apparatus for cleaning water in a swimming pool |
| 02/08/1983 | US4372854 Device for removing floating liquid impurities, oil, from a flowing water surface |
| 02/08/1983 | US4372851 First jet flash mixing field used to power a flocculation field of lower energy |
| 02/08/1983 | US4372775 Inhibition of microbiological growth with thiazine quaternary ammonium salts of polyepihalohydrin |
| 02/08/1983 | US4372766 Desalting sea water |
| 02/08/1983 | CA1141049A1 Control of biological fouling of reverse osmosis permeators |
| 02/08/1983 | CA1141048A1 Treatment of metal plating wastes with an unexpanded vermiculite cation exchange column |
| 02/08/1983 | CA1141044A1 Ozone disinfection system |
| 02/08/1983 | CA1140888A1 Energy conversion method and system |
| 02/04/1983 | EP0041537A4 Method and device for removing floating liquid impurities, particularly oil, from a flowing water surface. |
| 02/03/1983 | WO1983000379A1 Method for collecting heat |
| 02/01/1983 | US4371497 Inhibition of corrosion with thiazine quaternary ammonium salts of polyepihalophydrin |
| 02/01/1983 | US4371442 Method for obtaining dissolved suspended or chemically bound substances from a liquid |
| 02/01/1983 | US4371441 Process and apparatus for the separation of immiscible liquid mixtures |
| 02/01/1983 | US4371437 Fuel sedimentation device |
| 02/01/1983 | US4370865 Ice-making and fresh water dispensing apparatus |
| 02/01/1983 | CA1140585A1 Treatment of byproduct steam from adipic acid manufacture |
| 02/01/1983 | CA1140522A1 Bacteriostatic filter media |
| 02/01/1983 | CA1140491A1 Method of removing contaminants from water |
| 02/01/1983 | CA1140478A1 Method of filtering sewer scum and apparatus therefor |
| 02/01/1983 | CA1140382A1 Process for producing fiberboard wherein dissolved wood matter is separated from the process water |
| 01/26/1983 | EP0070415A1 Process for extracting heavy metals ions from aqueous solutions |
| 01/26/1983 | EP0070365A1 Process for manufacturing an agent for improving the quality of water |
| 01/25/1983 | US4370464 Cationic polymer flocculant |
| 01/25/1983 | US4370305 Device for the sterilization of fluid substances |
| 01/25/1983 | US4370241 With hydrogen peroxide with iron or copper catalysts with activator |
| 01/25/1983 | US4370239 Contacting with a macroreticular solid containing carbonyl groups to form adducts |
| 01/25/1983 | US4370235 Method of treating excess sludge |
| 01/25/1983 | US4370233 Chemical detoxification of sewage sludge |
| 01/25/1983 | US4370229 High capacity oil recuperator for de-pollution in rough waters |
| 01/25/1983 | CA1140281A1 Method for dewatering the sludge layer of an industrial process tailings pond |
| 01/25/1983 | CA1140280A1 Process for removing fluorides in effluents containing them |
| 01/25/1983 | CA1140277A1 Method for bacteriological treatment of manure and high bod industrial wastes |
| 01/20/1983 | WO1983000097A1 Method and device for the treatment of a liquid |
| 01/19/1983 | EP0070059A1 Method and apparatus for concentrating solutions by means of reverse osmosis |
| 01/19/1983 | EP0069800A1 Method for the purification of waste waters containing hydrazine |
| 01/19/1983 | EP0016013B1 Device for high efficiency continuous countercurrent extraction using a rotating helical tube |
| 01/18/1983 | US4369116 Liquid filtration method |
| 01/18/1983 | US4369114 Adsorption process with resin transfer |
| 01/18/1983 | US4369111 Activated sludge system |
| 01/18/1983 | US4369104 Parallel fibers perpendicular to the facing; sterilization; water and sewage treatment; low voltage |
| 01/18/1983 | CA1139679A1 Liquid treatment apparatus |
| 01/18/1983 | CA1139544A1 Hydrazine precursors as boiler additives for oxygen scavenging |
| 01/18/1983 | CA1139532A1 Process for the agglomeration of solids |
| 01/12/1983 | EP0069719A1 A method for producing basic aluminium sulphate |
| 01/12/1983 | EP0069718A1 Basic aluminium sulphate, its manufacture and use |
| 01/12/1983 | EP0069573A1 Improved aqueous dispersion microbiocide composition containing methylene bis(thiocyanate) |
| 01/12/1983 | EP0069435A1 Cationic polymeric material for treating water, preparation and utilisation thereof |
| 01/12/1983 | EP0069354A1 Method and apparatus for liquid treatment |
| 01/12/1983 | EP0069220A2 Apparatus for waste water purification |
| 01/12/1983 | EP0069136A1 Installation for spreading clay muds for rehabilitating soils. |
| 01/11/1983 | US4368322 Chromatography, flocculants |
| 01/11/1983 | US4368277 Redox systems for water treatment |
| 01/11/1983 | US4368123 Regenerative counter top water conditioner |
| 01/11/1983 | US4368122 System for separating and collecting oily materials from water expanses |
| 01/11/1983 | US4368121 Flotation chamber with froth separating cavity |
| 01/11/1983 | CA1139466A1 Removal of arsenic from aqueous solutions |
| 01/11/1983 | CA1139460A1 Disinfection and purification of fluids using focused laser radiation |
| 01/11/1983 | CA1139239A1 Method and plant for collecting of oil floating on water |
| 01/11/1983 | CA1139092A1 Photooxidation by exposure to visible light |
| 01/05/1983 | EP0068955A1 Stable water-in-oil dispersions of water soluble cationic polymers based on dimethylaminoethyl acrylate salted or quaternary, process for their production and their use as flocculants |