| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 06/03/1997 | US5635053 Method and apparatus for cleaning electronic parts |
| 06/03/1997 | US5635040 Electrochemical cell |
| 06/03/1997 | US5635039 Ion exchange membranes having improved water supply; high current density, |
| 06/03/1997 | US5635024 Mixing with water, water soluble surfactant and polymeric coagulant, then acidification to cause coagulation and flocculation of organic compounds |
| 06/03/1997 | CA2068680C Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst |
| 06/03/1997 | CA2022384C Shaped organosiloxaneamine copolycondensates, a process for the production of these, and their use |
| 05/29/1997 | WO1997019176A1 Malathion carboxylesterase |
| 05/29/1997 | WO1997019026A1 Self-regulated biological scrubber for the treatment of fluids streams |
| 05/29/1997 | WO1997019025A1 Method of disinfecting water |
| 05/29/1997 | WO1997019024A1 Methods to prevent and treat acid mine drainage and to remove metals and non-metals from aqueous sources |
| 05/29/1997 | WO1997018887A1 Method for cleaning an immersed-membrane filtration apparatus |
| 05/29/1997 | CA2236375A1 Method of disinfecting water |
| 05/28/1997 | EP0775760A1 Process and apparatus for producing and/or recovering acids from metalliferous solutions of these acids |
| 05/28/1997 | EP0775514A1 Method for treating exhaust gases and foul water |
| 05/28/1997 | EP0775165A1 Dadmac/vinyl trialkoxysilane copolymers and their use in wastewater treatment |
| 05/28/1997 | EP0775092A1 Use of hydrogen sulphate as the acid constituent in conjunction with hydrogen peroxide for the cleaning of drinking-water supply equipment |
| 05/28/1997 | EP0775091A1 Biocide filter |
| 05/28/1997 | EP0775090A1 Apparatus for disinfecting fluids |
| 05/28/1997 | EP0775089A1 Fluid treatment apparatus |
| 05/28/1997 | EP0775032A1 An indexable insert |
| 05/28/1997 | EP0775016A1 Dissolution of calcium carbonate solids with lactic acid |
| 05/28/1997 | EP0732873A4 Synergistic antimicrobial compositions containing poly(hexamethylammonium) chloride |
| 05/28/1997 | EP0620754B1 Method of recovery of printing ink wastes |
| 05/28/1997 | EP0579815B1 Package system for the collection and transport of liquid waste |
| 05/28/1997 | DE19543694A1 Microbiological treatment of effluent waters |
| 05/28/1997 | DE19543503A1 Exposing fluid to intense radiation |
| 05/28/1997 | CN1150792A Anaerobic removal of sulphur compounds from waste water |
| 05/28/1997 | CN1150579A Ultraviolet microozone drinking water purifying method and its device |
| 05/28/1997 | CN1034987C Iron cage dam (or dyke) technology for purification of waste water |
| 05/28/1997 | CA2191259A1 Process and plant for extraction or recovery of acids from solutions of these acids |
| 05/28/1997 | CA2163799A1 Multi-stage filtration package plant |
| 05/27/1997 | US5633423 Iron, cobalt and aluminum containing alloy |
| 05/27/1997 | US5633329 Polymerizing of water soluble unsaturated monomers in aqueoussolution in presence of a promoter in a tubal reactor |
| 05/27/1997 | US5632904 Water disinfection method using metal-ligand complexes |
| 05/27/1997 | US5632901 Process for the elimination of heavy metals |
| 05/27/1997 | US5632900 Wet oxidation method of treating chelate bearing waste solutions |
| 05/27/1997 | US5632899 Detoxification of alkylthioalkylamines with swelling type natural or synthetic clays |
| 05/27/1997 | US5632890 Ceramic filter filtration apparatus for purifying swimming pool water |
| 05/27/1997 | US5632887 Fluidized bed aquarium filter |
| 05/27/1997 | US5632885 Hydrogen peroxide removal equipment capable of treating both waste water and waste gas |
| 05/27/1997 | CA2106678C Package system for collection-transport of waste liquids |
| 05/27/1997 | CA2089887C Contact lens purification system |
| 05/27/1997 | CA2089697C Polyaluminumchlorosulfates and preparation and uses thereof |
| 05/27/1997 | CA2034414C Method of controlling zebra mussels |
| 05/27/1997 | CA2031997C Water treatment installation for a tangential filtration loop |
| 05/23/1997 | CA2190906A1 Process and device for irradiating liquids with high-energy radiation |
| 05/22/1997 | WO1997018168A1 Device for adding oxygen to water |
| 05/22/1997 | WO1997018167A1 High performance polymer flocculating agents |
| 05/22/1997 | WO1997018166A2 Direct osmotic concentration contaminated water |
| 05/22/1997 | WO1997018039A1 Vortex system for separating particles from a liquid stream |
| 05/22/1997 | WO1997018029A1 Method and device for cleaning flue gases from furnaces |
| 05/22/1997 | DE19542692A1 Elimination of X=ray contrast agents from clinical waste water |
| 05/22/1997 | DE19538604C1 Verfahren zum Abbau stabiler organischer Schadstoffe Process for the degradation of stable organic pollutants |
| 05/22/1997 | CA2240152A1 Device for adding oxygen to water |
| 05/22/1997 | CA2237672A1 Vortex system for separating particles from a liquid stream |
| 05/22/1997 | CA2235006A1 High performance polymer flocculating agents |
| 05/21/1997 | EP0774444A1 Method and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocide |
| 05/21/1997 | EP0774443A1 Nanodisperse titanium dioxide, process for its preparation and its use |
| 05/21/1997 | EP0773908A1 Method and device for purifying waste water, in particular for fully biological domestic sewage treatment systems |
| 05/21/1997 | EP0773816A1 The disposal of organic materials encased in metal |
| 05/21/1997 | EP0651730B1 Method and apparatus for controlling microorganisms |
| 05/21/1997 | EP0626883B1 Method for decontaminating a fluid by UV radiation |
| 05/21/1997 | CN2254445Y Efficient water purifier |
| 05/21/1997 | CN2254444Y Treating device for water |
| 05/21/1997 | CN1150128A Paper-mill waste water treatment technique |
| 05/21/1997 | CN1150127A Process for aerobic biological purification of water |
| 05/21/1997 | CN1150126A Method of and system for disposing sewage and waste water through thermal oxidation |
| 05/21/1997 | CN1150055A Control apparatus for concentration water of water purifier |
| 05/21/1997 | CN1034922C Technique for producing poly-aluminium sulfate water purifying agent |
| 05/21/1997 | CA2190436A1 Nanodisperse titanium dioxide, process for the production thereof and use thereof |
| 05/20/1997 | US5631274 Imidazolium, pyrazolium and triazolium sailts as swimming pool sanitizers |
| 05/20/1997 | US5630935 Pressure relief valve with sample removal port |
| 05/20/1997 | US5630934 In-situ treatment system for inhibiting the formation of, and for alleviating, acidity in water |
| 05/20/1997 | US5630915 Liquid decontamination system using electrical discharge with gas injection |
| 05/20/1997 | US5630913 Water distillation system |
| 05/20/1997 | US5630854 Forming carbon dioxide and methane from nonlignocellulose for pollution control with hydrogenation using nickel catalyst |
| 05/15/1997 | WO1997017300A1 Process for removing ammonium |
| 05/15/1997 | WO1997017299A1 Process and device for the preparation of phosphoric acids |
| 05/15/1997 | WO1997017298A1 Process for producing bactericide, apparatus therefor, and bactericide |
| 05/15/1997 | WO1997017297A1 An apparatus for cleaning water |
| 05/15/1997 | WO1997017296A1 Back-flushable filter cartridge and method of back-flushing same |
| 05/15/1997 | WO1997017289A1 Synthetic mineral microparticles and retention aid and water treatment systems and methods using such particles |
| 05/15/1997 | WO1997011029A3 Polyaluminum chlorides and polyaluminum chlorosulfates methods and compositions |
| 05/15/1997 | DE19543073A1 Separation process and plant, especially for dewatering sewage sludge |
| 05/15/1997 | DE19542360A1 Precipitating free and complex bonded silver from waste and photographic processing solutions |
| 05/15/1997 | DE19542065A1 Verfahren und Vorrichtung zum Reinigen von Verbrennungsabgasen aus Feuerungsanlagen Method and apparatus for cleaning combustion exhaust gases from combustion plants |
| 05/15/1997 | DE19541932A1 System for removal of radioactive ions from flowing ground water |
| 05/15/1997 | CA2236922A1 Synthetic mineral microparticles and retention aid and water treatment systems and methods using such particles |
| 05/15/1997 | CA2236292A1 Method and apparatus for the conditioning of phosphoric acid |
| 05/14/1997 | EP0773193A1 Process of manufacture of drinking water from soft water |
| 05/14/1997 | EP0773192A1 Selenium containing sewage treatment process and apparatus |
| 05/14/1997 | EP0773191A1 Apparatus and method for controlling molecular cluster in fluid |
| 05/14/1997 | EP0773031A1 Rapid purifying method using ozonized water of high concentration |
| 05/14/1997 | EP0772881A1 Method of producing a material for heavy metal absorption or for analytically detecting heavy metals |
| 05/14/1997 | EP0593687B1 Process and device for the desalination of sea water using a plate type heat exchanger |
| 05/14/1997 | CN2254080Y Terminal purifying water saver |
| 05/14/1997 | CN2254078Y Domestic water purifier |
| 05/14/1997 | CN2254077Y Power-saving distilled water machine |
| 05/14/1997 | CN2254076Y High-efficiency high-temp. liquid sterilizer |
| 05/14/1997 | CN1149624A Method for extracting single cell protein from monosodium glutamate waste liquid by cold flocculation |