| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/17/1985 | EP0148738A1 Process and device for distribution of water purification chemicals |
| 07/17/1985 | EP0148380A2 Electroimpulse process, and device for treating material with it |
| 07/17/1985 | EP0148264A1 Process and apparatus for handling waste from oil well operations |
| 07/16/1985 | US4529794 Method of rapidly dissolving polymers in water |
| 07/16/1985 | US4529782 High molecular weight water soluble polymers |
| 07/16/1985 | US4529511 Sealed unitary formed tubular body |
| 07/16/1985 | US4528817 Purifying geothermal steam |
| 07/16/1985 | CA1190674A1 Process for flocculating taconite tailings |
| 07/16/1985 | CA1190673A1 Procedure for purifying effluent waters, particularly those produced in wood-processing industry |
| 07/16/1985 | CA1190451A1 Compound for dispersing hydrocarbons in water |
| 07/10/1985 | EP0147942A2 Extraction of substances from aqueous solution |
| 07/10/1985 | EP0147795A1 Process for waste water purification |
| 07/10/1985 | EP0147517A2 Method of removing malodorous or unpleasant taste imparting substances from microbial cells or fermentation liquors |
| 07/10/1985 | EP0147464A1 Chemically active aqueous solution and solid substance containing ferrous ion |
| 07/09/1985 | US4528350 Polymers of α,β-unsaturated N-substituted carboxylic acid amides |
| 07/09/1985 | US4528095 Filtering system for potable water |
| 07/09/1985 | US4528093 Method and apparatus for purifying and dispensing water |
| 07/09/1985 | US4527626 Process and apparatus for removing dissolved oxygen |
| 07/09/1985 | CA1190174A1 Wastewater treatment method and system |
| 07/09/1985 | CA1190139A1 Method for mining and reclaiming land |
| 07/04/1985 | WO1985002836A1 Process and plant for dehydrating muds |
| 07/04/1985 | WO1985002835A1 Fixation of dissolved metal species with a complexing agent |
| 07/03/1985 | EP0146597A1 Plant for the ozonation of a fluid. |
| 07/03/1985 | EP0146591A1 Hydrophobic composite, method and composition. |
| 07/03/1985 | EP0146586A1 Cleaning device arranged in front of the inlet to a waterway |
| 07/02/1985 | US4526713 Heating to vaporize liquid and deposit radioactive substances on heat transfer surface, wiping surface to obtain dry powder |
| 07/02/1985 | US4526692 Pumping water through well head and water treatment unit and returning water through wellhead |
| 07/02/1985 | US4526662 Processes for the recovery of cyanide from aqueous thiocyanate solutions and detoxication of aqueous thiocyanate solutions |
| 07/02/1985 | CA1189808A1 Floculation process for particles suspended in a liquid |
| 06/26/1985 | EP0146526A1 Process for the production of organic substances or hydrolysates from sewage sludges to obtain substrates for use in the bio industry |
| 06/26/1985 | EP0145833A2 Apparatus for electrochemically withdrawing oxygen from water |
| 06/25/1985 | US4525283 Process for the decontamination of effluents |
| 06/25/1985 | US4525280 Process for separating a water dispersion of ash, slag and char particulate matter |
| 06/25/1985 | US4525279 Polyethersiloxane copolymer |
| 06/25/1985 | US4525272 Electrochemical ionization system for purifying water |
| 06/25/1985 | US4525254 Oxidation and precipitation of impurities by alternating contact of solution between electrodes and air |
| 06/25/1985 | US4525253 Electrolysis using copper-silver-nickel alloy electrode |
| 06/25/1985 | US4525242 Desalting system utilizing solar energy |
| 06/25/1985 | CA1189440A1 Apparatus and method for the concentration of a liquid by evaporation |
| 06/20/1985 | WO1985002690A1 Process for utilizing spent photographic films and liquids |
| 06/20/1985 | WO1985002605A1 Deoxygenation process and apparatus |
| 06/20/1985 | WO1985002552A1 Water desalination and purifying plant by reverse osmosis and ultrafiltration |
| 06/19/1985 | EP0145686A2 A flocculating agent and a process for its production |
| 06/19/1985 | EP0145519A1 Process and apparatus for the ultrafiltration of cooling water of a pressurized-water nuclear reactor |
| 06/19/1985 | EP0145262A2 Method for removing dissolved oxygen from aqueous media |
| 06/19/1985 | EP0144952A2 Method for treating waste compositions containing copper and a copper complexing agent |
| 06/19/1985 | EP0144416A1 Method for reducing the hydrocarbon content in air or water |
| 06/19/1985 | EP0144359A1 Device for preventing the formation of fur in water tanks |
| 06/18/1985 | US4524079 Sterilization of foods using oscillating magnetic field |
| 06/18/1985 | US4523998 Continuous ion exchange process using thermally regenerable liquid ion exchangers |
| 06/18/1985 | US4523996 Incorporating ferromagnetic material having different curie temperatures |
| 06/18/1985 | CA1189014A1 Vacuum freezing process with multiple phase transformations of low pressure vapor |
| 06/18/1985 | CA1188869A1 Process for treating cyanic liquid containing copper (i) cyanide complex ion |
| 06/12/1985 | EP0144213A2 Digester and its use |
| 06/12/1985 | EP0144200A2 Separating organic compounds from aqueous liquids |
| 06/12/1985 | EP0143962A1 Process for removing aluminum and silica from alkali metal halide brine solutions |
| 06/12/1985 | EP0143823A1 Plant for the magnetic treatment of water or other similar liquids, of compounds, respectively organic or inorganic chemical mixtures. |
| 06/11/1985 | US4522968 Process for the preparation of water-in-water secondary dispersions of water-soluble polymers and their utilization as flocculants |
| 06/11/1985 | US4522730 Stripping hydrogen sulfide scrubbing ammonia, converting syanide ions to thiocyanate ions |
| 06/11/1985 | US4522728 Acidifiction of steam condensate for incompatibility control during mixing with geothermal brine |
| 06/11/1985 | US4522727 Process for continuous removal of ammoniacal nitrogen from aqueous streams |
| 06/11/1985 | US4522726 Advanced separation device and method |
| 06/11/1985 | US4522502 Mixing and feeding apparatus |
| 06/11/1985 | CA1188830A1 Water treatment with ferric polychloride |
| 06/11/1985 | CA1188571A1 Hydrophobic composite including core, polyurethane/ asphalt first coat and hydrophobic colloidal oxide second coat, and method of production |
| 06/10/1985 | EP0081486A4 Paired stage flash evaporator having improved distillate collection. |
| 06/06/1985 | WO1985002458A1 Method and equipment for utilization of the freezing heat of water as a source of heat of a heat pump |
| 06/06/1985 | WO1985002350A1 Clarifier |
| 06/06/1985 | EP0081490A4 Paired stage flash evaporator having improved configuration. |
| 06/05/1985 | EP0143294A2 Apparatus for dosing a component to a solvent or diluent |
| 06/05/1985 | EP0143243A1 Electrochemical cell |
| 06/05/1985 | EP0143211A2 Method for separating nitrates and nitrides from waste liquors |
| 06/04/1985 | US4521349 Fluid diffuser for gases and liquids |
| 06/04/1985 | CA1188241A1 Oil slick dispersants using diguandinium salt |
| 06/04/1985 | CA1188230A1 Pulsed regeneration of adsorption column |
| 05/29/1985 | EP0142642A1 Process and kit for sodium sulfite neutralization of H2O2 in contact lenses |
| 05/28/1985 | USRE31900 Process for the flocculation of suspended solids |
| 05/28/1985 | US4520072 Dissolving a coloring substance in solvent and absorption on carrier |
| 05/28/1985 | US4519997 Method for improving the initial activity of activated hydrazine |
| 05/28/1985 | US4519921 Methods for removing pollutants from water and waste water and for reducing sludge resistance to dewatering |
| 05/28/1985 | US4519919 Method and apparatus for magnetically treating fluids |
| 05/28/1985 | US4519918 Impregnating cellulose pulp fibers with prepolymers, polymerize and-or crosslink |
| 05/28/1985 | US4519917 Counter-current adsorption filters for the treatment of liquids and a method of operating the filter |
| 05/28/1985 | US4519915 With high ash coal rejects, fly ash, red mud |
| 05/28/1985 | US4519914 Method for treating swimming pool water |
| 05/28/1985 | US4519889 Halogenation apparatus |
| 05/28/1985 | US4519880 Processes for the recovery of cyanide from aqueous thiocyanate solutions and detoxication of aqueous thiocyanate solutions |
| 05/23/1985 | WO1985002196A1 Method, compound and composition for effecting degradation of crude petroleum and petroleum products in an environment |
| 05/23/1985 | WO1985002094A1 Deactivation of microorganisms by an oscillating magnetic field |
| 05/22/1985 | EP0142018A1 Method and apparatus for cleaning waste water |
| 05/22/1985 | EP0141981A1 Method and apparatus for purifying water |
| 05/22/1985 | EP0141872A1 Removal of hydrogen sulfide from steam |
| 05/21/1985 | US4518760 Process for producing poly(dithiocarbamate) chelating resins |
| 05/21/1985 | US4518610 Microbicidal/microbistatic compositions and use thereof employing mixtures of 4,5-dichloro-1,2-dithiol-3-one and alkylenebisthiocyanate |
| 05/21/1985 | US4518506 Expanded silicate aggregate impregnated with water treatment agent |
| 05/21/1985 | US4518503 Water purification method and device |
| 05/21/1985 | US4518502 Method of extracting organic contaminants from process waters |
| 05/21/1985 | US4517806 Apparatus for separating ice from a slurry and washing the ice |
| 05/15/1985 | EP0141780A1 Electrochemical water purification method |
| 05/15/1985 | EP0141339A2 Device for heat recovery from waste water with simultaneous saving of potable water |