| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 12/07/1999 | US5997812 Methods and apparatus for the application of combined fields to disinfect fluids |
| 12/07/1999 | US5997752 Water treating apparatus for raising oxygen solubility |
| 12/07/1999 | US5997751 Method and apparatus for treating aqueous medium containing organic matter |
| 12/07/1999 | US5997750 Community drinking water purification system |
| 12/07/1999 | US5997749 Methods for the remediation of chemical contamination in subsurface water bearing geological structures |
| 12/07/1999 | US5997748 System for extracting soluble heavy metals from liquid solutions |
| 12/07/1999 | US5997747 Treatment of phosphorus in septic tank effluent |
| 12/07/1999 | US5997745 Method for producing high purity water using triple pass reverse osmosis (TPRO) |
| 12/07/1999 | US5997743 Water treatment method using hollow fiber membrane and apparatus therefor |
| 12/07/1999 | US5997737 Portable skid mounted desalination apparatus |
| 12/07/1999 | US5997734 Flow totalization, reset, and restriction mechanism for use in indicating the end of a treatment cartridge useful life |
| 12/07/1999 | US5997717 Electrolyzed functional water, and production process and production apparatus thereof |
| 12/07/1999 | US5996976 Gas humidification system using water permeable membranes |
| 12/07/1999 | CA2011317C Biocidal compositions and treatments |
| 12/02/1999 | WO1999061647A1 Electrodialysis methods for purification and recovery of gluconic acid derivatives |
| 12/02/1999 | WO1999061377A1 Method for treatment of aqueous streams comprising biosolids |
| 12/02/1999 | WO1999061376A1 Calcium hypochlorite composition |
| 12/02/1999 | WO1999061375A1 Device for disinfecting water flowing through a sanitary device |
| 12/02/1999 | WO1999061129A1 Dextran starch and flocculant combination for improving red mud clarification |
| 12/02/1999 | WO1999061125A1 Hybrid distillation method and apparatus |
| 12/02/1999 | DE19824423A1 Schaltungsanordnung zum Betreiben einer UV-Lampe in einem Entkeimungsreaktor Circuit arrangement for operating a UV lamp in a Entkeimungsreaktor |
| 12/02/1999 | DE19824379A1 Verfahren zur Absorption von Schwermetallen A process for absorbing heavy metals |
| 12/02/1999 | DE19824237A1 Reagents for purifying waste gases or waste water, removing inorganic and organic contaminants from e.g. incineration or smelting waste gases |
| 12/02/1999 | DE19824076A1 Verfahren zur Reinigung peroxidhaltiger Wässer Methods for cleaning peroxide water |
| 12/02/1999 | DE19815541C1 Vorrichtung zur Destillation von Wasser Apparatus for distillation of water |
| 12/02/1999 | CA2332323A1 Electrodialysis methods for purification and recovery of gluconic acid derivatives |
| 12/01/1999 | EP0960860A1 Biologically treating a contaminated aqueous waste stream |
| 12/01/1999 | EP0960859A1 Method and apparatus for waste water treatment using ozone and hydrogen peroxide |
| 12/01/1999 | EP0960858A2 Method for cleaning waters containing peroxide |
| 12/01/1999 | EP0960072A1 Process and apparatus for utilizing animal excrement |
| 12/01/1999 | EP0960071A1 Method and device for filtering of hydrocarbon contaminated water by means of hydrocarbons |
| 12/01/1999 | EP0959992A1 Sequential biological/chemical/biological treatment of organic waste |
| 12/01/1999 | EP0871597B1 Method of treating a biomass in order to remove heavy metals with hydrogen sulphide |
| 12/01/1999 | EP0861214B1 Dewatering of aqueous suspensions |
| 12/01/1999 | EP0784501B1 Dewatering process |
| 12/01/1999 | EP0730618B1 Multimodal emulsions and processes for preparing multimodal emulsions |
| 12/01/1999 | EP0691937B1 Method of treating water |
| 12/01/1999 | CN2351428Y Underground water deironing and manganese removal water purifying equipment |
| 12/01/1999 | CN2351427Y Unpowered sewage treatment apparatus |
| 12/01/1999 | CN2351426Y Plasma oxygen sterilizing water generator |
| 12/01/1999 | CN2351425Y Anion, cation exchange resin shared washing pot |
| 12/01/1999 | CN2351424Y Automatic purifying wall hanging water vat |
| 12/01/1999 | CN2351423Y Backflushing multi-cylinder water filter |
| 12/01/1999 | CN1237109A Flowable waste sanitizing process and system |
| 12/01/1999 | CN1236782A Method of making and using high molecular weight acrylamide polymers |
| 12/01/1999 | CN1236737A Simple desalination and clarification process and apparatus for seawater, brackish water and poor-grade water |
| 12/01/1999 | CN1236736A Process for treating sewage from fish powder production |
| 12/01/1999 | CN1236658A Draining purifier |
| 12/01/1999 | CN1046925C Fluidized bed incinerating method for treatment of industrial poison sewage or sludge |
| 12/01/1999 | CN1046924C Component of material for purifying and mineralizing drinking water |
| 12/01/1999 | CN1046923C Method of producing basic ferric sulfate mixing and coagulant agent for water treatment |
| 11/30/1999 | US5994705 Flow-through photo-chemical reactor |
| 11/30/1999 | US5993753 Chlorinator/sanitizer and method of using same |
| 11/30/1999 | US5993749 MISE fluid treatment device |
| 11/30/1999 | US5993673 A propylene oxide/styrene monomer aqueous purge stream is contacted with a solid iron promoted alumina catalyst at conditions effective to decompose peroxides contained therein. |
| 11/30/1999 | US5993671 Method for manufacturing a system for treating reclaimed water to provide treated water |
| 11/30/1999 | US5993670 Apparatus for admixing of a flocculant liquid to a sludge stream and use of the apparatus |
| 11/30/1999 | US5993669 Method and apparatus for optimizing electrolytic production of a halogen in a water treatment system |
| 11/30/1999 | US5993668 Method for removing metal ions and/or complexes containing metal ions from a solution |
| 11/30/1999 | US5993667 Adding an aqueous ferric salt containing solution to form a first stream containing ferric hydroxide and ferric oxyhydroxide; adding an aqueous permanganate salt containing solution to oxidize the selenium to selenite ion and manganese |
| 11/30/1999 | US5993666 Maleic acid based copolymer, and its production process and use |
| 11/30/1999 | US5993664 Providing a material containing nitrogen which is organically bonded in a polymer; treating said material with potassium permanganate in an alkaline solution; and treating the material with iron(ii) hydroxide in an alkaline solution. |
| 11/30/1999 | US5993663 Liquid filtering system in machine tools |
| 11/30/1999 | US5993660 Method of remediation of contaminants in porous media through minimization of bouyancy effects |
| 11/30/1999 | US5993659 Method and plant for waste water treatment |
| 11/30/1999 | US5993650 Granular carrier for treating sewage or waste water, method for producing the same and apparatus for treating sewage or waste water by using the granular carriers |
| 11/30/1999 | US5993648 Water filtration device with a water fountain outlet and a faucet outlet with flow viewing apparatus |
| 11/30/1999 | US5993646 Grease trap |
| 11/30/1999 | US5993639 Method for producing electrolytic ionic water and an apparatus for the same |
| 11/30/1999 | US5993618 Device for generating oxygen or a mixture of ozone and oxygen |
| 11/30/1999 | US5993515 Apparatus and process for selectively removing a component from a multicomponent aqueous solution by pervaporation |
| 11/30/1999 | US5993378 Electro-optical instruments and methods for treating disease |
| 11/30/1999 | CA2229970C Jet pump treatment of heavy oil production sand |
| 11/25/1999 | WO1999060221A1 Device for inserting batchwise a liquid into a pipeline system |
| 11/25/1999 | WO1999059924A1 Balanced water purification composition |
| 11/25/1999 | WO1999059923A1 Method and device for purification of wastewater |
| 11/25/1999 | WO1999059922A1 Mechanical vapour recompression separation process |
| 11/25/1999 | WO1999059811A1 Multi-action particle for structuring biological media |
| 11/25/1999 | WO1999046201A9 Method and apparatus for preparation and use of ozone water |
| 11/25/1999 | WO1999044713A3 Escutcheon-mounted filter with above counter access for cartridge renewal |
| 11/25/1999 | DE19823670A1 Water softener electrolyses water in the presence of oxygen |
| 11/25/1999 | DE19823011A1 Bathroom water sterilization unit has microprocessor limiting the |
| 11/25/1999 | DE19821973A1 Process and assembly to produce water of potable quality |
| 11/25/1999 | CA2333265A1 Balanced water purification composition |
| 11/25/1999 | CA2332803A1 Multi-action particle for structuring biological media |
| 11/24/1999 | EP0959491A2 Production method of electronic parts and water treatment apparatus |
| 11/24/1999 | EP0959047A2 Process and plant for improved oxygen transfer in aerobic treatment processes |
| 11/24/1999 | EP0959046A1 Apparatus for purification of water area |
| 11/24/1999 | EP0958723A1 Installation for the purification of liquid manures and the like |
| 11/24/1999 | EP0958333A1 Minimizing evaporator scaling and recovery of salts during gasification |
| 11/24/1999 | EP0958249A1 A process and apparatus for treating waste water |
| 11/24/1999 | EP0958248A1 Process for the preparation of water purification solutions containing ferric iron and the use of the product as of obtained |
| 11/24/1999 | EP0958247A1 Water purification system and ultrapure water product |
| 11/24/1999 | EP0958246A2 Two-component agent for water-treatment in aquariums for tropical fish |
| 11/24/1999 | EP0958056A1 Water treatment device |
| 11/24/1999 | EP0958055A1 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions |
| 11/24/1999 | EP0958048A1 Calcium aluminate based catalyst and use of the catalyst |
| 11/24/1999 | EP0958036A1 Membrane system for treating sanitary wastewater |
| 11/24/1999 | EP0957739A1 Filter designed for equipping a container for boiling water and container equipped with such a filter |
| 11/24/1999 | EP0900175A4 Apparatus and method for treating storm water runoff |