| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 05/30/1989 | US4835265 Substituted and crosslinked glucans, process and intermediates for preparing them and use thereof |
| 05/30/1989 | US4835144 Biocidal compositions and use thereof containing a synergistic mixture of tetraalkyl phosphonium halide an methylene bis (thiocyanate) |
| 05/30/1989 | US4835143 Biocidal compositions and use thereof containing a synergistic mixture of tetraalkyl phosphonium halide and n-alkyl dimethylbenzyl ammonium chloride |
| 05/30/1989 | US4835043 Sulfite-oxide process for scavenging hydrogen sulfide |
| 05/30/1989 | US4834948 Device for enriching a fluid with ozone |
| 05/30/1989 | US4834889 Lime, calcined perlite |
| 05/30/1989 | US4834880 Device for picking up oil from water and from the surface of water |
| 05/30/1989 | US4834872 Aeration/flotation reactor |
| 05/30/1989 | US4834852 Process for the activation of hydrogen peroxide |
| 05/30/1989 | US4834840 Hazardous waste management solar dryer apparatus |
| 05/30/1989 | US4834836 Method and apparatus for pollution control of liquid wastes |
| 05/30/1989 | US4834003 Combustion of aqueous sewage sludge by the fluidized bed process |
| 05/30/1989 | US4833888 Thermoelectric heating and/or cooling system using liquid for heat exchange |
| 05/30/1989 | CA1255017A1 Process and device for distribution of water purification chemicals |
| 05/30/1989 | CA1255016A1 Flocculants and processes for their preparation |
| 05/30/1989 | CA1254843A1 Apparatus for filtering and separating flowing media |
| 05/24/1989 | EP0317525A1 A method of removing heavy metals from waste liquids discharged by dental surgery equipment, and a device for the implementation of such a method |
| 05/24/1989 | EP0317393A1 Process for the production of basic aluminium chloro-sulfate |
| 05/24/1989 | EP0317210A1 Process for recovering nitric acid and hydrofluoric acid from waste pickle liquors |
| 05/24/1989 | EP0316924A1 Solvent composition and process employing same |
| 05/24/1989 | EP0316785A1 Process for removing copper from waste water |
| 05/24/1989 | EP0316687A1 Water treatment apparatus |
| 05/24/1989 | EP0316569A1 Method of catalytically reducing oxygen in aqueous media |
| 05/24/1989 | EP0316487A1 A process of preparing ferric sulfate solution |
| 05/24/1989 | EP0316467A1 Water treatment compositions and processes |
| 05/24/1989 | EP0316357A1 Calcium hypochlorite compositions |
| 05/24/1989 | EP0316348A1 Method for the treatment of sewage and other impure water |
| 05/24/1989 | EP0194290B1 Waste treatment method and device |
| 05/24/1989 | DE3738880A1 Verfahren zur entfernung von schadstoffen aus wasser oder luft A process for removing pollutants from water or air |
| 05/24/1989 | DE3738231A1 Water-treatment system |
| 05/24/1989 | DE3738223A1 Process and apparatus for the energy enrichment of water, aqueous solutions or other liquids or melts |
| 05/24/1989 | CN2038273U Multi-function resonance vibration type magnetic field processing unit |
| 05/24/1989 | CN2038104U Waste oil recoverer |
| 05/24/1989 | CN1033128A Sterilizing material for fluid and its preparation method |
| 05/24/1989 | CN1033077A Method for recovery of metals from chloride solutions |
| 05/23/1989 | US4832854 Apparatus and process to separate and remove extraneous matter from a liquid stream |
| 05/23/1989 | US4832846 Septic tank baffle |
| 05/23/1989 | US4832816 Electrostatic system for treating liquids |
| 05/23/1989 | US4832122 In-situ remediation system and method for contaminated groundwater |
| 05/23/1989 | US4832115 Method and apparatus for simultaneous heat and mass transfer |
| 05/23/1989 | CA1254680A1 Method for treating fluids |
| 05/23/1989 | CA1254554A1 Method of removing lignin from bleach plant effluents |
| 05/18/1989 | DE3836138A1 Particulate medium suitable for the selective separation of metal cations from aqueous solutions, process for the production thereof and use thereof |
| 05/18/1989 | DE3804299C1 Device for separating off (precipitating) fine solid particles from waste water |
| 05/18/1989 | DE3738572A1 Multistage evaporator system |
| 05/18/1989 | DE3737692A1 Agent for preventing the evaporation of polar liquids, process for its preparation |
| 05/17/1989 | EP0316058A1 Unsaturated, halogenated thiocyanates, the preparation thereof and use as a biocide |
| 05/17/1989 | EP0316034A1 Process for neutralizing an acidic water layer on a sediment comprising a humic substance |
| 05/17/1989 | EP0315713A1 Process and installation for the treatment of waste water arising from the maintenance of livestock. |
| 05/17/1989 | EP0315672A1 A process for the removal of organic contaminants from solids and sediments. |
| 05/17/1989 | CN2037733U Water-magnetizing kettle |
| 05/17/1989 | CN2037732U Two-funnel oil-water separator |
| 05/17/1989 | CN1032927A Circulating water jet aeration facility for iron and manganese removal from the underground water |
| 05/16/1989 | US4830843 Synthetic lamellar magnesium phyllosilicate and process for preparation thereof |
| 05/16/1989 | US4830766 Use of reducing agents to control scale deposition from high temperature brine |
| 05/16/1989 | US4830760 Emulsification with surfactants, then oxidation with alkali metal hypohalide |
| 05/16/1989 | US4830759 Dispersant compositions for treating oil slicks |
| 05/16/1989 | US4830743 Water treatment apparatus |
| 05/16/1989 | US4830721 Electrochemical deoxygenation process for corrosion control in deionized waters |
| 05/16/1989 | CA1254312A1 Apparatus for water purification |
| 05/16/1989 | CA1254311A1 Method of treatment effluents containing sulfur oxides |
| 05/11/1989 | DE3836523A1 Verfahren und einrichtungen zur verhinderung des auftretens bzw. der fortpflanzung von kleinstlebewesen in brauchwasser Procedures and equipment for prevention of occurrence or the reproduction of the smallest critters in domestic water |
| 05/11/1989 | DE3744355C1 Process and apparatus for treating water in swimming pools |
| 05/11/1989 | DE3736950A1 Composition which binds metal ions, and method for preparing it |
| 05/11/1989 | DE3736282A1 Solar sea water desalination |
| 05/11/1989 | DE3734600A1 Drinking-water treatment appliance for households |
| 05/10/1989 | EP0315583A2 Method and apparatus for sterilizing fluids |
| 05/10/1989 | EP0315508A1 Ozonic bubble water generator |
| 05/10/1989 | EP0315374A1 Disposal device for photographic processing waste liquor and processing method of photograhic processing waste liquor |
| 05/10/1989 | EP0315373A1 Apparatus for treating photographic process waste liquor |
| 05/10/1989 | EP0315203A2 Granular calcium hypochlorite composition and process for preparation thereof |
| 05/10/1989 | EP0315001A1 Electrolytic decontamination apparatus and encapsulation process |
| 05/10/1989 | EP0179768B1 Contacting a gas and a liquid to remove an unwanted gas |
| 05/10/1989 | CN2037362U Activity hydrated silica coagulator aid device |
| 05/10/1989 | CN2037361U Sterilized water continuous generator |
| 05/10/1989 | CN1032773A Full water treatment apparatus for use in soft drink dispensing system |
| 05/09/1989 | US4829045 Dry, absorbent, varying properties, for oil film contaminated water |
| 05/09/1989 | US4828805 Child resistant top for a swimming pool chemical dispenser |
| 05/09/1989 | US4828804 Swimming pool chemical dispenser with restraining tether |
| 05/09/1989 | US4828803 Floating |
| 05/09/1989 | US4828718 Carrier coated with cationic dye laked with heteropoly acid |
| 05/09/1989 | US4828717 Device and method for reducing volume of aqueous waste effluents |
| 05/09/1989 | US4828715 Cleaning and disposal of carbon black and ash containing wastewaters |
| 05/09/1989 | US4828712 Extraction of pollutants by inorganic chelation |
| 05/09/1989 | US4828710 Reversible absorption |
| 05/09/1989 | US4828698 Filtering apparatus |
| 05/09/1989 | US4828692 Simplified method and apparatus for purification |
| 05/09/1989 | US4828691 Submersible purification system for radioactive water |
| 05/09/1989 | US4828660 Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids |
| 05/09/1989 | US4827727 Carcass chiller and sterilizer |
| 05/09/1989 | CA1253981A1 Method for purifying aqueous solutions |
| 05/09/1989 | CA1253980A1 Oxidative treatment of wastewaters |
| 05/09/1989 | CA1253979A1 Method of and an apparatus for treating sewage |
| 05/05/1989 | WO1989003911A1 A method of removing organic substances from effluents from pulp and paper manufacturing processes |
| 05/05/1989 | WO1989003851A1 Surface-active polysiloxanes |
| 05/05/1989 | WO1989003809A1 Hypobromination of water |
| 05/05/1989 | WO1989003808A1 Lime deposit remover for external mounting on water pipes |
| 05/05/1989 | WO1989003807A1 Prevention of the occurence or proliferation of microorganisms in water for industrial use |
| 05/05/1989 | WO1989003715A1 A low pressure distillation apparatus |
| 05/03/1989 | EP0314026A1 Particle agent for the selective removal of metal cations from aqueous solutions, process for its production and its use |