Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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06/03/1992 | CN2105912U Magnetotherapy health musical cup |
06/03/1992 | CN1016849B Scavenger for arsenic and heavy metal waste water |
06/02/1992 | US5118803 Zooglan polysaccharide |
06/02/1992 | US5118478 Extractrion process for removing and recovering metals from aqueous solutions |
06/02/1992 | US5118447 Denitrification of aqueous waste water streams; introducing formate, heating, maintaining temperature and pressure for suficient time to convert to nitrogen |
06/02/1992 | US5118426 Process for purifying impotable water with hypochlorous acid |
06/02/1992 | US5118423 Method of removing water from a dilute solution of n-methylmorpholine-n-oxide, n-methylmorpholine, or morpholine |
06/02/1992 | US5118422 Photocatalytic treatment of water |
06/02/1992 | US5118416 Permanent magnetic power cell circuit for treating fluids to control iron pipes |
06/02/1992 | CA1302204C Time control device for water conditioning apparatus |
05/31/1992 | WO1992009377A1 Apparatus and process for removing contaminants from soil |
05/31/1992 | CA2074952A1 Apparatus and process for removing contaminants from soil |
05/31/1992 | CA2056020A1 Adsorbents for the removal of volatile substances from aqueous systems |
05/30/1992 | WO1992009532A1 Process for treatment of contaminated wastewater or groundwater |
05/30/1992 | CA2097327A1 Process for treatment of contaminated wastewater or groundwater |
05/29/1992 | WO1992008825A1 Method for purifying concentrated, aqueous and used solutions of chromic acid, and solutions thereby purified |
05/29/1992 | WO1992008675A2 Method of detoxyfying cyanide waste |
05/29/1992 | WO1992008674A1 A method for treating an organic substance |
05/29/1992 | WO1992008673A1 Dewatering sludge |
05/29/1992 | WO1992008544A1 An improved process for carrying out a photocatalytic reaction |
05/29/1992 | WO1992008534A1 Spray degasser |
05/29/1992 | WO1992008533A1 Treatment of dispersions |
05/29/1992 | WO1992003202A3 Medical drug formulation and delivery system |
05/29/1992 | CA2047583A1 Synergistic microbiocidal composition of 2-(decylthio) ethaneamine and 1,2-dibromo-2,4-dicyanobutane |
05/27/1992 | WO1992009531A1 Method for removing ammonia from effluents |
05/27/1992 | EP0487327A2 Tap water purifier |
05/27/1992 | EP0487217A1 Treatment of dilute acidic solutions |
05/27/1992 | EP0486588A1 Process and apparatus for recycling food processing water |
05/27/1992 | EP0486574A1 Improved sewage treatment process. |
05/27/1992 | EP0245405B1 Process and device for distilling fresh water from sea water |
05/27/1992 | DE4038305C1 Treating waste water from vehicle washing plant - in which water is collected from each washing zone and supplied to at least two=stage treatment plant |
05/27/1992 | DE4037329A1 Treatment of waste water from glass grinding - by passing water in periodical reversing direction across ultrafiltration membrane, recycling permeate and adding concentrate to molten glass |
05/27/1992 | DE4037326A1 Abtrennung von schwermetallionen Removal of heavy metal ions |
05/27/1992 | CN2105640U All-boiling electric water heater |
05/27/1992 | CN2105603U Magnetization water-saving valve |
05/27/1992 | CN2105488U Water magnetizer for thermos flask |
05/27/1992 | CN2105487U Machine for separating oil from water |
05/27/1992 | CN2105328U Water purifier |
05/27/1992 | CN2105240U Strong magnetizing and mineralizing thermal bottle |
05/27/1992 | CA2073505A1 Process for removing ammoniac from effluents |
05/26/1992 | US5116655 Preventive method against apposition of a marine organism and a preventive sheet against apposition of a marine organism |
05/26/1992 | US5116543 Whole body cleaning agent containing n-acyltaurate |
05/26/1992 | US5116516 Deflector plates; low energy; sewage treatment |
05/26/1992 | US5116515 Subterranean |
05/26/1992 | US5116514 Method for detackifying oversprayed paint |
05/26/1992 | US5116509 Oxidation of organics, continuous processing |
05/26/1992 | US5116507 Treatment for reducing impurities in aqueous liquor |
05/26/1992 | US5116502 Elongate housing with end cap members |
05/26/1992 | US5116500 Portable potable water purifier kit |
05/26/1992 | US5116492 Apparatus for clarification of industrial sewage |
05/26/1992 | US5116491 Comprehensive water treatment system |
05/26/1992 | US5116473 Apparatus for controlling solid particle flow in an evaporator |
05/26/1992 | US5116163 Arrangement for driving out volatile impurities from ground water |
05/26/1992 | CA1301965C Method for treatment of waste water |
05/26/1992 | CA1301964C Method for treatment of waste water |
05/26/1992 | CA1301692C Process for flocculating recycle water from oil sands processing to effect efficiencies |
05/21/1992 | WO1992008768A1 Materials and methods for photocatalyzing oxidation of organic compounds on water |
05/21/1992 | DE4036921A1 Microbiological waste water treatment appts. - for prodn. of animal feed proteins, glues and biomass for micrological process |
05/21/1992 | DE4036812A1 Removal of ammonia from aq. solns. from liq. manure work up - by reacting aq. solns. of nitrogen cpds. with high mol. acids, but sepg. the reactants with semipermeable membrane |
05/21/1992 | DE4036192A1 Suction appts. for floating matter removal in flotation tank - has suction device comprising suction hood having peripheral vertical edge completely covering tank apart from peripheral horizontal strip |
05/21/1992 | CA2095620A1 Materials and methods for photocatalyzing oxidation of organic compounds on water |
05/20/1992 | EP0485524A1 Absorbent materials and use thereof. |
05/20/1992 | EP0354906B1 Biological dephosphatization and (de)nitrification |
05/20/1992 | EP0250459B1 Disinfectant compositions and disinfection process applicable to infected liquids or surfaces |
05/20/1992 | CN2105021U Solar energy water heater having magnetization function |
05/20/1992 | CN2104861U Mineralizing and magnetizing health-care cup |
05/20/1992 | CN2104860U Strong magnetic cup with multi-way magnetizm |
05/20/1992 | CN2104859U Fluid magnetizer |
05/20/1992 | CN2104591U Magnetic cup |
05/20/1992 | CN1061201A Comprehensive processing method of tannery waste water |
05/19/1992 | US5115036 Metallic ion sorber |
05/19/1992 | US5114707 Curable polysiloxanes oils for release of iodine |
05/19/1992 | US5114647 Group 1a carbonate, carboxylic acid, group 1a chloroisocyanurate and group 1a bicarbonate |
05/19/1992 | US5114618 Oxygen removal with keto-gluconates |
05/19/1992 | US5114593 Method of absorbing oil using powdered aquatic lily plant |
05/19/1992 | US5114592 Procedure for separating arsenic from waste material |
05/19/1992 | US5114591 Adsorption of organic material by macroreticular resin for waste water |
05/19/1992 | US5114587 Method of sewage treatment |
05/19/1992 | US5114586 Sanitation system |
05/19/1992 | US5114576 Prevention of contaminants buildup in captured and recirculated water systems |
05/19/1992 | US5114571 Controlling scale, corrosion, bacteria and algae |
05/19/1992 | US5114570 Water filter cartridge |
05/19/1992 | US5114560 Dewatering filter cake |
05/19/1992 | US5114549 Method and apparatus for treating water using electrolytic ozone |
05/19/1992 | US5114473 Transition metal recovery |
05/19/1992 | US5114372 Method of producing a gas discharge light source |
05/19/1992 | US5113751 Beverage brewing system |
05/19/1992 | US5113664 Melt system for liquid purification by batch crystallization |
05/19/1992 | CA1301108C Conditioning water with magnetic and oligodynamic treatment |
05/19/1992 | CA1301055C Humidifier provided with a purifier |
05/15/1992 | WO1992008742A1 N-halochitosans, their preparation and uses |
05/14/1992 | WO1992007799A1 Method to detoxify sewage sludge |
05/14/1992 | WO1992007798A1 Selenium removal process |
05/14/1992 | WO1992007643A1 Device for eliminating chlorinated hydrocarbons and aromatic organic compounds from water |
05/14/1992 | WO1992007465A1 Microbiocidal combinations of materials and their use |
05/14/1992 | DE4111706A1 Purificn. of industrial effluent waters, etc. - by passing water through treatment stages in plant after clear micro filtration of aq. suspension |
05/14/1992 | DE4036116A1 Purifying waste water using flocculating agent system - comprises adding aluminium chloride, poly:aluminium chloride or poly:aluminium sulphate and aluminate to waste water |
05/13/1992 | EP0485270A1 Apparatus for treating a fluid with gas such as an ozonisation of waste water |
05/13/1992 | EP0485054A1 Method for starting up and controlling the operating temperature of a wet oxidation process |
05/13/1992 | EP0484655A1 Method for treating circuit water in paint spray booths |