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