| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 05/14/1986 | EP0181068A2 Halogen release biocide |
| 05/14/1986 | EP0180803A1 Process for recovering noble metals from their cyanides |
| 05/13/1986 | US4588508 Cationic homopolymers and copolymers |
| 05/13/1986 | US4588506 Stimulation of biooxidation processes in subterranean formations |
| 05/09/1986 | WO1986002630A1 Method and device for the purification of water and special waste |
| 05/07/1986 | EP0180197A2 Wastewater treatment process |
| 05/07/1986 | EP0179970A1 Serial flow continuous separation process |
| 05/07/1986 | EP0179768A1 Contacting a gas and a liquid to remove an unwanted gas. |
| 05/07/1986 | CN85203732U Device for water being magnetized in electromagnetic field |
| 05/06/1986 | US4587232 Titanium oxide, sintering |
| 05/06/1986 | US4587108 Flocculation of acid leach slurries |
| 05/06/1986 | US4587019 Aerobic digestion of sludge |
| 05/06/1986 | US4586985 Thermally driven; desalting seawater |
| 04/30/1986 | EP0179674A1 Apparatus and method for the two-stage clarification of solids loaden liquids |
| 04/30/1986 | EP0179542A1 Process for continuous removal of ammoniacal nitrogen from aqueous streams |
| 04/30/1986 | EP0179236A2 Method for the transport of metallic ions by microporous membranes |
| 04/30/1986 | EP0179234A2 Process and apparatus for the treatment of sewage sludge |
| 04/30/1986 | CN85203278U Combine water-treatment device |
| 04/29/1986 | US4585561 Cationic polyelectrolyte |
| 04/29/1986 | US4585559 Selective removal of metals from solution |
| 04/29/1986 | US4585556 Arrangement for removal of sludge separated by flotation in the biological activating cleaning of waste waters using a fluid filtration |
| 04/29/1986 | US4585554 Combined purified water dispensing device and reject water control device |
| 04/29/1986 | US4585539 Electrolytic reactor |
| 04/29/1986 | US4585536 Electrochemical processes |
| 04/29/1986 | US4585533 Removal of halogen from polyhalogenated compounds by electrolysis |
| 04/29/1986 | US4585524 Energy-efficient purification |
| 04/29/1986 | CA1203682A1 Semi-permeable membrane storage solutions |
| 04/29/1986 | CA1203665A1 Method for producing basic aluminium sulphate |
| 04/29/1986 | CA1203664A1 Basic aluminium sulphate, its manufacture and use |
| 04/23/1986 | EP0178945A1 Methods for producing highly alkaline drinks |
| 04/22/1986 | US4584281 Silica-silicate foams;releasing fragrance oils and dyes in sanitation system |
| 04/22/1986 | US4584107 Method of treating effluents containing sulfur oxides |
| 04/22/1986 | US4584106 Chlorinator and method |
| 04/22/1986 | US4584061 Vacuum desalinization device |
| 04/22/1986 | CA1203488A1 Desalination device and process |
| 04/16/1986 | EP0178041A2 Method and apparatus for adjusting concentration in aqueous media |
| 04/16/1986 | EP0177509A1 Process for clarifying bicarbonate bearing waters using measurement and control of carbon dioxide content |
| 04/15/1986 | US4582690 Oxidation of polythionates |
| 04/15/1986 | US4582627 Flocculating agent and a process for its production |
| 04/15/1986 | US4582613 Use of copper (II) oxide as source of oxygen for oxidation reactions |
| 04/15/1986 | US4582610 Well water aeration system |
| 04/15/1986 | US4582599 Aeration tank |
| 04/15/1986 | US4582586 Chlorine gas injection system for swimming pool |
| 04/10/1986 | WO1986002151A1 Evaporative heat exchanger |
| 04/09/1986 | EP0177125A2 Method for removal of organometallics from wastewater |
| 04/09/1986 | EP0176963A2 Process and apparatus for the separation of a complexly composed load from liquid wastes such as industrial waste waters and sanitary landfill leachates |
| 04/09/1986 | EP0176961A2 Bactericidal pellet dispenser |
| 04/09/1986 | EP0176960A2 Seal member for pellet dispenser |
| 04/09/1986 | EP0176943A2 Method and device for draining sludge |
| 04/09/1986 | EP0176912A2 Method of purifying waste water |
| 04/09/1986 | EP0176757A2 Preparation of water soluble cationic polymer and product |
| 04/08/1986 | US4581402 Novel stable water in oil dispersions of hydrosoluble cationic polymers based on salified or quaternized dimethylaminoethyl acrylate, process of preparation thereof and application thereof as flocculents |
| 04/08/1986 | US4581220 Cured residue of zirconium solution |
| 04/08/1986 | US4581219 Method of making macroporous manganese dioxide |
| 04/08/1986 | US4581144 Method for treatment of impounded material (sludges) from the chemical treatment of spent sulfuric acid with lime |
| 04/08/1986 | US4581058 Inhibiting growth and proliferation of microorganisms |
| 04/08/1986 | US4581009 Centrifuge, particularly solid bowl centrifuge for solids/liquid separation of sludges |
| 04/08/1986 | CA1203029A1 Treatment of solutions to facilitate the removal of ferric iron therefrom |
| 04/08/1986 | CA1203028A1 Process for the treatment of organic fall-out products |
| 04/08/1986 | CA1202928A1 Water distiller |
| 04/08/1986 | CA1202859A1 Process for making starch flocculants of improved efficiency |
| 04/08/1986 | CA1202765A1 Treatment of liquid and gaseous effluents containing organic sulphides |
| 04/02/1986 | EP0176380A1 Sludge blanket apparatus for clarifying solids-loaden liquid |
| 04/02/1986 | EP0176373A1 Process for treating water and effluents by ultrafiltration and electrolysis, and apparatus therefor |
| 04/02/1986 | EP0175956A2 Sand filter media and an improved method of purifying water |
| 04/02/1986 | EP0175847A2 Process and apparatus for the indirect drying of sludges, especially waste water sludges |
| 04/02/1986 | CN85202203U Domestic water purifier |
| 04/02/1986 | CN85202201U Air flotation separator for black liquor |
| 04/01/1986 | US4579665 Method for controlling mollusks |
| 04/01/1986 | US4579655 Apparatus for treating water by flocculation and/or crystalline precipitation, settling and sludge recycling |
| 04/01/1986 | US4579640 Electrostatic water treater |
| 04/01/1986 | CA1202737A1 Use of magnetic separation in scavenging hydrogen sulfide |
| 04/01/1986 | CA1202575A1 Method and apparatus for the removal of oxygen from water |
| 03/27/1986 | WO1986001793A1 Waste treatment method and device |
| 03/27/1986 | WO1986001744A1 Method for ion-exchange or adsorption |
| 03/27/1986 | WO1986001691A1 Method for killing cells, and cell-killing agent |
| 03/26/1986 | EP0175123A2 Method and apparatus for simultanuously disinfecting and softening tap water |
| 03/26/1986 | CN85200595U High efficiency tower type distilled water making device |
| 03/25/1986 | US4578195 Process for the purification of effluents and purge streams containing trace elements |
| 03/25/1986 | US4578160 Method for electrolyzing dilute caustic alkali aqueous solution by periodically reversing electrode polarities |
| 03/25/1986 | US4577498 Double multiple change-over valve, for controlling the operation of a water treatment plant |
| 03/25/1986 | CA1202433A1 Preservation of aqueous solutions, emulsions and dispersions |
| 03/19/1986 | EP0174307A1 Resonating magnetic fluid conditioning apparatus and method |
| 03/19/1986 | CN85201787U Floating-bed water treatment device of multi-path turning valve |
| 03/18/1986 | US4576969 Spherical ion exchange resin having matrix-bound metal hydroxide, method for producing the same and method for adsorption treatment using the same |
| 03/18/1986 | US4576929 Active carbon fibers as adsorbent for water purification |
| 03/18/1986 | US4576720 Sewage treatment |
| 03/18/1986 | US4576719 Aeration |
| 03/18/1986 | US4576716 Method of producing water treatment medium and medium produced thereby |
| 03/18/1986 | US4576714 System for the clarification of sewage and other liquid-containing wastes |
| 03/13/1986 | WO1986001543A1 Electrode means for water purifier according to the ionization principle preferably for swimming pools |
| 03/13/1986 | WO1986001542A1 Process, device and means for the production of ozone |
| 03/13/1986 | WO1986001496A1 Electromagnetic treatment of water |
| 03/13/1986 | WO1986001427A1 Apparatus for clarification of water |
| 03/12/1986 | EP0174232A1 Method of clarifying a solids-loaden liquid by means of a sludge blanket |
| 03/12/1986 | EP0174051A2 Method for treatment of impunded material (sludges) from the chemical treatment of spent sulfuric acid with lime |
| 03/12/1986 | EP0173880A1 Method for the purification of waste water by oxidation |
| 03/12/1986 | EP0173876A1 Method and device for cleaning, disinfecting and sterilizing medical tools, particularly dental tools |
| 03/12/1986 | EP0173731A1 Process for dewatering municipal and other sewage sludges. |
| 03/11/1986 | US4575568 Removal of phenols from water |