Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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09/29/1994 | WO1994021349A1 Flocculant composition for removing trihalomethane and its precursors |
09/29/1994 | WO1994021347A1 Water treatment process |
09/29/1994 | WO1994021125A1 Halogen compositions for water treatment and method of preparation thereof |
09/29/1994 | WO1994021122A1 Inhibition of microbial growth in aqueous streams |
09/29/1994 | CA2158262A1 Halogen compositions for water treatment and method of preparation thereof |
09/28/1994 | EP0616980A1 Tandem waste stream treatment for the removal of nitroaromatics and nitrophenolics |
09/28/1994 | EP0616979A2 Method for solubilizing silica |
09/28/1994 | EP0616978A1 Process and precipitant for separating organic pollutants from waste water |
09/28/1994 | EP0616977A1 Stepwise magnetic anti-scaling device |
09/28/1994 | EP0616976A1 Water softening apparatus |
09/28/1994 | EP0616975A2 Home water purification system |
09/28/1994 | EP0616826A1 Water filter Cartridges |
09/28/1994 | EP0616822A1 Process for operating an adsorber and device for performing the process |
09/28/1994 | EP0616603A1 Separation of heavy metals from aqueous media. |
09/28/1994 | EP0601023A4 Dewatering slurries. |
09/28/1994 | EP0465485B1 Method for separating oil and water emulsions |
09/28/1994 | CN2178239Y Bryophyte remover for cistern |
09/28/1994 | CN2178238Y Pen type personal drinking water disinfector |
09/28/1994 | CN2178135Y Water filtering and disinfecting apparatus |
09/28/1994 | CN2178075Y Pen type health-care drinking straw |
09/28/1994 | CN2178065Y Health protection magnetic water bottle |
09/28/1994 | CN1092824A Method and apparatus for treatment of industrial rinsed water |
09/28/1994 | CN1092821A Fluid treatment device and method |
09/28/1994 | CN1092592A Dual-functional oxygen enriching agent |
09/27/1994 | USRE34740 Styrene-vinylpyridine copolymer |
09/27/1994 | US5351199 Programmable water treatment controller for progressive flow systems |
09/27/1994 | US5350524 Mixed polysaccharide precipitating agents and insulating articles shaped therefrom |
09/27/1994 | US5350522 Treatment of effluents from photographic processes for pollution control |
09/27/1994 | US5350519 Pervaporation process and use in treating waste stream from glycol dehydrator |
09/27/1994 | US5350516 Treatment with sulfur dioxide |
09/27/1994 | US5350512 Chlorination and dechlorination apparatus and method |
09/27/1994 | US5350511 Sewage purification apparatus |
09/27/1994 | US5350509 Deep water disbursement tube |
09/27/1994 | CA1332197C Gas assisted flotation process and apparatus |
09/25/1994 | CA2116149A1 Method for solubilizing silica |
09/22/1994 | DE4308416A1 Apparatus for the magnetic treatment of flowing liquids, inorganic and/or organic mixtures or solutions, in particular water |
09/22/1994 | DE4308159A1 Process for decreasing the COD load in wastewater |
09/21/1994 | EP0615790A1 System for supplying ultrapure water and method of washing substrate, and system for producing ultrapure water and method of producing ultrapure water |
09/21/1994 | EP0615473A1 Method and device for removing one or more contaminations from a bulk material. |
09/21/1994 | EP0483332B1 Electrolytic cell for waste water treatment |
09/21/1994 | CN2177844Y 磁水龙头 Magnetic faucet |
09/21/1994 | CN2177718Y Automatic bed apparatus for removing fluorine |
09/21/1994 | CN2177717Y Magnetic apparatus for removing fluorine |
09/21/1994 | CN2177716Y Continuous medicine-solving device |
09/21/1994 | CN2177715Y Waterpower spiral-flow medicine-solving device |
09/21/1994 | CN2177714Y Magnetism aid for magnetic cup |
09/21/1994 | CN2177713Y Externally clamped household water magnetizer |
09/21/1994 | CN2177712Y Efficient pot for separating oil from water |
09/21/1994 | CN2177711Y Gas flotation machine for treating waste water with top sealed by thick oil |
09/21/1994 | CN2177710Y Self-control bag type regulating pot |
09/21/1994 | CN2177709Y Device for lifting drug |
09/21/1994 | CN2177708Y 净水器 Water Purifier |
09/21/1994 | CN2177516Y Combined filter with changeable filtering material |
09/21/1994 | CN2177405Y Electric forceful magnetic cup |
09/21/1994 | CN1092478A Method and apparatus for generation of electrolyte |
09/21/1994 | CN1092477A Method and apparatus for wet treatment of solid surfaces |
09/21/1994 | CN1092386A Treatment of highly colored wastewaters |
09/21/1994 | CN1092385A Inhibition of microbial growth in aqueous streams |
09/21/1994 | CN1092380A Producing process for aluminium oxide magnetized slurry |
09/21/1994 | CN1025965C Comprehensive processing for extracting humic acid from paper making black liquid |
09/21/1994 | CN1025954C Treating method for fluorine containing water |
09/20/1994 | US5348803 Microcapsules and method for degrading hydrocarbons |
09/20/1994 | US5348724 Contacting with coke for catalytic reduction; purification of acids |
09/20/1994 | US5348721 Polyaluminumchlorosulfates and preparation and uses thereof |
09/20/1994 | US5348665 Method for the degradation of harmful substances in water by means of hydrogen peroxide under UV irradiation |
09/20/1994 | US5348664 Process for disinfecting water by controlling oxidation/reduction potential |
09/20/1994 | US5348663 Control of bromination of drinking water |
09/20/1994 | US5348662 Removal of heavy metals such as arsenic, tin and lead from water by precipitation and oxidation of organics and metals and separation |
09/20/1994 | US5348661 Oil absorption method and apparatus utilizing a replaceable bladder |
09/20/1994 | US5348659 Countercurrent regeneration process |
09/20/1994 | US5348629 Contacting an electrolyte containing the material /which is an agueous solution or emulsion or suspension/ with an anode and cathode, inducing formation of migrational transport layer at cathode to provide local electromagnetic field |
09/20/1994 | US5348623 Water heating and distilling apparatus |
09/20/1994 | US5348622 Solar water purification device |
09/20/1994 | US5348588 Evaporative treatment of inorganic saponifier wash water |
09/20/1994 | US5348050 Magnetic fluid treatment device |
09/20/1994 | CA1332082C Microbiological decomposition of chlorinated aliphatic hydrocarbons |
09/20/1994 | CA1332080C Apparatus and process for forming uniform, pelletizable sludge product |
09/15/1994 | WO1994020591A1 Method for the reductive decomposition of chemical contaminants |
09/15/1994 | WO1994020426A1 Process for biological water purification with integrated buffering |
09/15/1994 | WO1994020425A1 Improved method for purifying waste water using activated sludge to increase purification yields |
09/15/1994 | WO1994020424A1 Method for disinfecting water such as drain water in horticulture, and appliance to be used therewith |
09/15/1994 | WO1994020423A1 Catalytic treatment process for effluents containing organic and inorganic compounds, preferably from epichlorhydrine production |
09/15/1994 | WO1994020422A1 Method and device for purifiying, remineralising and stabilising tap water |
09/15/1994 | WO1994020421A1 Silicone based polymers as spill treating agent |
09/15/1994 | WO1994020420A1 Improvements to ionic disinfection systems |
09/15/1994 | WO1994020419A1 Process and installation for preparating cellulose waste lye |
09/15/1994 | WO1994020418A1 Immersion lamp for a photochemical reactor and its use |
09/15/1994 | WO1994020417A1 Flocculating agents |
09/15/1994 | WO1994020208A1 Fluid treatment system and process |
09/15/1994 | WO1994020203A1 Method of producing spherical particles |
09/15/1994 | WO1994020202A1 Method of removing oxygen, nitrites and/or nitrates from water |
09/15/1994 | WO1994020196A1 Process and plant for exhaust gas purification and a combination of this exhaust gas purification with that of waste water |
09/15/1994 | WO1994020191A1 System and method for dispensing a treating material |
09/15/1994 | WO1994019943A1 Ionene polymers as microbicides |
09/15/1994 | EP0637914A4 Compositions and methods for controlling the growth of microbials in aqueous media. |
09/15/1994 | DE4400982A1 Compositions for treating wastewater containing heavy metals |
09/15/1994 | DE4312580C1 Small water treatment unit based on ion exchanger with the facility for regeneration and thermal disinfection |
09/15/1994 | DE4307814A1 Process for separating out total inorganic carbon (TIC) in water, in particular waste water, and degassing element therefor |
09/15/1994 | DE4307591A1 Process for the reduction of nitrite concentration in phosphate bath systems |
09/15/1994 | DE4307468A1 Process for precipitation of heavy metals, uranium and toxic metals in the rehabilitation of mining installations, in particular from contaminated waters |