Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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01/27/1988 | CN87207573U Water treatment device |
01/27/1988 | CN87202966U Deposition basin for sewage treatment with water inlet and outlet along periphery |
01/26/1988 | US4721875 Radiation-emitting devices |
01/26/1988 | US4721574 Cationic acrylamide polymer |
01/26/1988 | CA1231914A1 System for diaphragm distillation |
01/21/1988 | DE3622750A1 Process and apparatus for sanitising sludge |
01/20/1988 | EP0253749A1 Continuous electrophoresis separation process and electro-osmosis of electrically charged pulverized solids |
01/20/1988 | EP0253647A1 Device for dosing a flowing fluid |
01/20/1988 | EP0253514A1 Barrier |
01/20/1988 | EP0253305A1 High-frequency ozoniser |
01/20/1988 | EP0253287A1 Combined membrane and sorption process for selective ion removal |
01/20/1988 | EP0253132A1 Tap water filter |
01/20/1988 | EP0253029A1 A distilled drinking water fountain |
01/20/1988 | EP0165948B1 Water desalination and purifying plant by reverse osmosis and ultrafiltration |
01/20/1988 | CN86100483B Process for producing poly-ferric-sulfate |
01/19/1988 | US4720596 Process for removing phenols from water |
01/19/1988 | US4720422 Material for collecting radionuclides and heavy metals |
01/19/1988 | US4720397 Rapid dissolving polymer compositions and uses therefor |
01/19/1988 | US4720346 Synthetic polymer, shear stability |
01/19/1988 | US4720344 Nitrification process in waste water treatment |
01/19/1988 | US4720275 Quick termination apparatus and method for electrical connector |
01/19/1988 | CA1231617A1 Flocculation of acid leach slurries |
01/19/1988 | CA1231615A1 Stabilized polybromide resins and method of preparation |
01/14/1988 | WO1988000259A1 Method of treatment of the circulation water of a paper mill |
01/14/1988 | WO1988000184A1 Surface active lactams |
01/14/1988 | DE3715667A1 Filter fuer chemische apparaturen und verwendung des filters in einem chemischen analysenautomaten Filters for chemical tion equipment and use of filters in a chemical analysis machines |
01/14/1988 | DE3623011A1 Apparatus for the automatic preparation of a solution of powder and water for pH regulation of the water in swimming pools |
01/14/1988 | DE3620980A1 Continuous multiple-stage process for treating the bleaching waste waters from wood pulp production |
01/14/1988 | DE3617995C1 Method for removing silicone- or polymeric fluorocarbon-containing impurities from aqueous emulsions or dispersions |
01/13/1988 | EP0252260A1 Chemical agent for making sludge or mud particles hydrophobic |
01/13/1988 | EP0252166A1 Process for the continuous or quasi-continuous separation of cesium-ions from aqueous solutions by means of ion-exchange on ammonium phosphomolybdate |
01/13/1988 | CN87205849U Auto-lowing fluorine and alkaline device for deep-well water |
01/12/1988 | US4719282 Antistatic agents |
01/12/1988 | US4719083 Composition useful as corrosion inhibitor, anti-scalant and continuous biocide for water cooling towers and method of use |
01/12/1988 | US4719020 Process for concentrating a suspension of microscopic particles |
01/12/1988 | US4719019 Treatment of thiocyanate containing waste liquor |
01/12/1988 | US4719018 Automatic water purifier |
01/12/1988 | US4719015 Apparatus and method for processing sewage scum |
01/12/1988 | US4719010 Regeneration |
01/12/1988 | US4718985 System for diaphragm distillation |
01/07/1988 | EP0251840A1 Process and individual apparatus for the filtration of a liquid |
01/07/1988 | EP0251691A2 Effluent treatment |
01/07/1988 | EP0251573A2 Compositionn for precipitating dirt and other contaminants from wash water and method of cleaning |
01/07/1988 | EP0251469A2 Method for converting substances |
01/07/1988 | EP0251426A2 Selective removal of nitrate ions from salt solutions |
01/07/1988 | EP0251221A2 Process for organic sludge treatment |
01/07/1988 | EP0251182A1 Vinylamine copolymer, flocculating agent and paper strength increasing agent using the same, as well as process for producing the same |
01/07/1988 | EP0250639A1 Method and installation for sludge removal from waters |
01/07/1988 | EP0250626A1 Process for the separation of sulfate ions from waste water |
01/07/1988 | EP0250459A1 Disinfectant compositions and disinfection process applicable to infected liquids or surfaces. |
01/07/1988 | EP0250410A1 A method of removing macromolecular organic dissolved and colloidal material from wood processing industry effluents. |
01/07/1988 | DE3622721A1 Process for denitrifying water |
01/07/1988 | DE3622176A1 Reprocessing method for spent oil and reprocessing plant |
01/07/1988 | DE3621928A1 Water softening apparatus |
01/06/1988 | CN87205727U New-structured internal magnetic typle fluid magnetizing unit |
01/06/1988 | CN87203603U Potable water disinfectant adding machine |
01/06/1988 | CN87200193U Liquid ion sifter |
01/06/1988 | CN86104454A Method for reclaiming the used pickle of titanium and its alloy |
01/06/1988 | CN85105637B Treating dissolved fluorine by adsorption |
01/05/1988 | US4717554 Hydrated rare earth oxides or insoluble hydrated rare earth salts as teh adsorbent |
01/05/1988 | US4717484 Process for completing circulatory systems used to purify water and sewage |
01/05/1988 | US4717483 Purification of waste stream from tanning process by adsorption on an adsorbent comprising a mixture of alumina and Y zeolite |
01/05/1988 | US4717476 For households |
01/05/1988 | US4717450 Removal of chloride from process solutions |
01/05/1988 | CA1231030A1 Oximes as oxygen scavengers |
12/31/1987 | CN87203620U Water magnetizing oxygenator |
12/31/1987 | CN87202871U Tube type electrolytic tank with sodium hypochlorate generator |
12/31/1987 | CN87202093U Submerged self-control fluorine romover for drinking water |
12/30/1987 | WO1987007847A1 Distillation apparatus and method |
12/30/1987 | CN87104034A Method of and arrangement for purifying contaminated water |
12/30/1987 | CN87102425A Treatment of waste water containing methanol and hydrochloric acid resulted from producing o-methyl thio-phosphoryl dichloride |
12/30/1987 | CN86104439A Making and uses of a composite coagulant |
12/29/1987 | US4716024 Magnetizing hydrocarbon fuels and other fluids |
12/29/1987 | US4715962 Petroleum refinery wastes |
12/29/1987 | US4715869 Dearation of water, countercurrent flow |
12/29/1987 | CA1230882A1 Water-soluble cationic quaternary ammonium monomers |
12/23/1987 | EP0250394A2 Process and apparatus for the purification of waste water from printing plants, especially from screening installations |
12/23/1987 | EP0250316A1 Gas transfer and flotation process for the treatment of water |
12/23/1987 | EP0250019A2 Device for making potable water |
12/23/1987 | EP0249925A1 Method for generating acid and base regenerants and use thereof to regenerate ion-exchange resins |
12/23/1987 | DE3708440A1 Ultrasonic descaling device |
12/23/1987 | DE3620602A1 Apparatus for discharging sludge from a liquid tank |
12/23/1987 | DE3620320A1 Apparatus for the magnetic treatment of water |
12/23/1987 | CN87105033A Treatment of waste water containing heavy metals by magnetic cast iron powder |
12/23/1987 | CN87102036A Treatment for rinsig waste water from low chromium passivating process during zinc plating |
12/23/1987 | CN86210633U Breath type vaccum oxide-remover without water tank |
12/23/1987 | CN86108954A Magnetized mineral water generator |
12/22/1987 | US4714550 Canteen carried water purifier system |
12/22/1987 | US4714548 Device for purification of waste water |
12/22/1987 | US4714546 Potable water filter |
12/22/1987 | US4714534 Produces halogen compounds for sanitization of pools |
12/22/1987 | CA1230561A1 Device for picking up oil from water and from the surface of water |
12/22/1987 | CA1230464A1 Small scale generation of chlorine dioxide for waste water treatment |
12/17/1987 | WO1987007589A1 Method of and arrangement for purifying contamined water |
12/17/1987 | DE3620110A1 Insert for an apparatus for purifying a liquid |
12/17/1987 | DE3618174A1 Combined lime-carbon dioxide-equilibrium-stabiliser (CLCES) |
12/16/1987 | EP0249450A2 Ultraviolet water treatment apparatus |
12/16/1987 | EP0249049A1 Portable water purifier |
12/16/1987 | EP0249004A2 Process and apparatus for the production of a substrate having an energizing active charge |
12/16/1987 | CN86209262U Horizontal pressured air-dissolving device |