| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 12/14/1988 | CN88100262A Process for removing heavy metals and other ions from aqueous solution |
| 12/14/1988 | CN87216787U Magnetizer for water quality treatment |
| 12/14/1988 | CN87104053A Method for production of iron base polymeric water purifying agent |
| 12/13/1988 | US4791444 Waste solution treating apparatus |
| 12/13/1988 | US4790946 Electrolysis aqueous nacl solution |
| 12/13/1988 | US4790945 Removal of hydrogen selenide |
| 12/13/1988 | US4790944 Turbulence shearing of water, oil mixture; floating of impurit ies |
| 12/13/1988 | US4790943 Renovation of used water from poultry processing plants |
| 12/13/1988 | US4790923 Liquid treating electrolytic cell |
| 12/13/1988 | US4790918 Adsorption and desorption by repeat reversal of electrode polarity |
| 12/13/1988 | US4790904 Plating evaporative recovery tank |
| 12/13/1988 | CA1246491A1 Electrochemical decontamination of water |
| 12/13/1988 | CA1246421A1 Method for the separation of oil-in-water emulsions |
| 12/13/1988 | CA1246324A1 Method and apparatus for obtaining a suspension and/or a solution of a powdered limestone in water |
| 12/13/1988 | CA1246317A1 Laser disinfection of fluids |
| 12/12/1988 | EP0238639A4 Method of treating fluids. |
| 12/12/1988 | EP0233247A4 Method for wastewater treatment. |
| 12/08/1988 | EP0289516A4 Rapid dissolving polymer compositions and uses therefor. |
| 12/08/1988 | DE3717633A1 Method for the electrolytic separation of an oil/water emulsion |
| 12/07/1988 | EP0293849A1 Process for separation of halogenated hydroxy-aromates from aqueous solutions |
| 12/07/1988 | EP0293776A1 Process for separation of nitrogen-containing heterocyclics from aqueous solutions |
| 12/07/1988 | EP0293737A2 Ammonia separation using semipermeable membranes |
| 12/07/1988 | EP0293418A1 Fluid treatment process |
| 12/07/1988 | EP0293370A1 Fluid energizing method and apparatus. |
| 12/07/1988 | CN88201758U Jacket water magnetic unit for vehicle engine |
| 12/07/1988 | CN88101683A Method of treating wastewater sludge |
| 12/07/1988 | CN87104491A Marine biofouling reduction |
| 12/06/1988 | US4789523 Cationic and anionic lignin amines corrosion inhibitors |
| 12/06/1988 | US4789489 With ionene polymer |
| 12/06/1988 | US4789488 Injection, pressurization; noble metal catalyst, anion exchange resin |
| 12/06/1988 | US4789487 Baffle secured to wall to control flow of waste; without box |
| 12/06/1988 | US4789486 Water desalinization process |
| 12/06/1988 | US4789484 Treatment of electroless nickel plating baths |
| 12/06/1988 | US4789481 Metal recovery |
| 12/06/1988 | US4789478 Mixed culture of citrobacter and sulfate reducer |
| 12/06/1988 | US4789475 Water purification material, process therefor, and device for the removal of heavy metal toxins |
| 12/06/1988 | US4789448 Device for control of scale formation |
| 12/06/1988 | US4789383 Antimisting agents for fuels; particles having shell of inert gas filled tricalcium phosphate or graphite coating |
| 12/06/1988 | US4789003 Water treatment apparatus |
| 12/06/1988 | CA1246250A1 Apparatus for neutralizing acidified water |
| 12/06/1988 | CA1245955A1 Process for the removal of solid deposits from water supply installations |
| 12/06/1988 | CA1245944A1 Fixation of dissolved metal species with a complexing agent |
| 12/01/1988 | WO1988009316A1 Preparation of free-flowing solids from aqueous waste |
| 12/01/1988 | WO1988009308A1 Method of and arrangement for purifying contaminated water |
| 12/01/1988 | WO1988009226A1 Method and apparatus for cleaning freight containers as well as for treating and circulating the fluids used |
| 12/01/1988 | WO1988009215A1 Flotation collecter and process for treating aqueous inorganic substance system |
| 12/01/1988 | WO1988009210A1 Process for separating the substances contained in a liquid and device for implementing the process |
| 12/01/1988 | WO1988009206A1 Means for preparing a solution of a gaseous solute in a liquid solvent |
| 12/01/1988 | WO1988009199A1 A process for the removal of organic contaminants from solids and sediments |
| 12/01/1988 | EP0256096A4 Primary refrigerant eutectic freezing (preuf) process. |
| 12/01/1988 | DE3717506A1 Process for washing out salt residues |
| 11/30/1988 | EP0293152A2 Method of treating ecologically sensitive water systems |
| 11/30/1988 | EP0293129A1 Process for detackification of paint spray operation wastes using melamine formaldehyde |
| 11/30/1988 | CN88210293U Civil running water magnetic treater |
| 11/29/1988 | US4788038 Process for killing cells |
| 11/29/1988 | US4787980 Continuous sampling, analyzing; multiplex units, electronic controller; for industry |
| 11/29/1988 | US4787973 Device for converting water into mineral water |
| 11/29/1988 | US4787960 For wood pulp |
| 11/29/1988 | CA1245779A1 Anaerobic reactor |
| 11/29/1988 | CA1245567A1 Hollow-fiber filtering module and water purification device utilizing it |
| 11/29/1988 | CA1245550A1 Method for controlling mollusks |
| 11/24/1988 | DE3716266A1 Process for the distillation of liquids, preferably sea water or brackish water |
| 11/23/1988 | EP0292470A1 Process for separating substances from liquids and apparatus for carrying out the process |
| 11/23/1988 | EP0292282A1 Method of treating photographic process waste liquor through concentration by evaporation |
| 11/23/1988 | EP0291665A2 Process for improving the dehydration of biological sewage sludge |
| 11/23/1988 | EP0291556A1 Process for removing phosphate from waters |
| 11/23/1988 | CN87103373A Recovery technique of iron oxide red and ammonia sulphate from waste liquid of pickle |
| 11/22/1988 | US4786434 Agent for the elimination of active chlorine compounds from water |
| 11/22/1988 | US4786418 Process for aqueous stream purification |
| 11/22/1988 | US4786417 Management of photoresist materials containing waste solution |
| 11/22/1988 | US4786407 Plant for treatment of sediment of natural and waste waters |
| 11/22/1988 | US4786387 Applying nonuniform electric or magnetic field |
| 11/22/1988 | US4786386 Softening |
| 11/22/1988 | US4786384 Plater's rinse waste water |
| 11/22/1988 | US4786380 Disinfecting water |
| 11/22/1988 | EP0289602A4 Installation for purification of sewage water. |
| 11/22/1988 | CA1245126A1 Biocidal water treatment |
| 11/22/1988 | CA1245033A1 Deactivation of microorganisms by an oscillating magnetic field |
| 11/17/1988 | WO1988008823A1 Method of preparing a mixture of chlorine containing substances including chlorine dioxide |
| 11/17/1988 | WO1988008737A1 Method and apparatus for treating water, water treated thus obtained and its utilization |
| 11/17/1988 | EP0291446A1 Process for separating impurities from solutions |
| 11/17/1988 | EP0291330A2 Ground-water treatment |
| 11/17/1988 | EP0290826A2 Process for removal of heavy metal contamination in waste water |
| 11/17/1988 | EP0290609A1 Fluid magnetizer |
| 11/17/1988 | EP0229150B1 Apparatus for desalinating salt water by membrane distillation |
| 11/17/1988 | DE3815309A1 Process, plant and emulsifying substance for disposing of pollutant-containing materials |
| 11/17/1988 | DE3715041A1 Drinking water treatment plants with treatment of the raw water in tanks, reactors and other facilities |
| 11/16/1988 | CN87215660U Water magnetizer with alternating magnetic field |
| 11/16/1988 | CN87213229U Four-column type moving bed water treatment equipment |
| 11/16/1988 | CN87100544A Process of treating sodium-nitrite waste liquor used for inactivating ferrous metal surface |
| 11/15/1988 | US4784776 Process for treating aqueous suspension |
| 11/15/1988 | US4784775 Removal of hydrogen sulfide from sour water |
| 11/15/1988 | US4784773 Wood shavings as absorbers of oil |
| 11/15/1988 | US4784772 Ion exchanging, polyether ketone polymers |
| 11/15/1988 | US4784771 Method and apparatus for purifying fluids |
| 11/15/1988 | US4784765 Aquarium oxygenator |
| 11/15/1988 | US4784764 Arrangement for the flocculation of flocculatable substances in suspensions, particularly for the purification of the backwater of deinking installations for waste paper processing |
| 11/15/1988 | US4784763 Water purification machine |
| 11/15/1988 | CA1244868A1 Water softener cabinet |
| 11/10/1988 | DE3813264A1 Process and apparatus for purifying waste waters arising in dental treatments |