| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 11/14/1993 | CA2077787A1 Apparatus and method for removing contaminants from an aqueous medium |
| 11/13/1993 | CA2089348A1 Method for arsenic removal from wastewater |
| 11/12/1993 | CA2068407A1 Method and system for cleaning up large oil spills |
| 11/11/1993 | WO1993022477A1 Electrolytic cell assembly and process for production of bromine |
| 11/11/1993 | WO1993022249A1 Process and device for destroying free and complex cyanides, aox, mineral oil, complexing agents, csb, nitrite, chromate, and for separating metals from waste waters |
| 11/11/1993 | WO1993022248A1 Recycling industrial waste water |
| 11/11/1993 | WO1993022246A1 Fluidized-bed fermenter |
| 11/11/1993 | WO1993022243A1 Method for purifying process water or wastewater containing wood resin |
| 11/11/1993 | WO1993022242A1 Wastewater purification |
| 11/11/1993 | WO1993022035A1 Drinking-water treatment equipment |
| 11/11/1993 | WO1993022023A1 Device and method to separate the components in mixtures of non-miscible liquids |
| 11/11/1993 | WO1993022021A1 Device for removing undesirable substances from a fluid |
| 11/11/1993 | DE4216571C1 Microbial build=up prevention in water circulation pipes - uses filtered water fed into pipe circuit to reduce microorganisms and metabolic unit to minimise microorganisms in the system |
| 11/11/1993 | DE4214994A1 Water sterilisation using UV-light - where UV-lamps are arranged above surface of water which is made to flow in wide flat stream over inclined floor of treatment chamber |
| 11/11/1993 | DE4214974A1 Zerstörung von freien und komplexen Cyaniden, AOX, Mineralöl, Komplexbildnern, CSB, Nitrit, Chromat und Abtrennung von Metallen in Abwässern Destruction of free and complex cyanides, AOX, mineral oil, complexing agents, COD, nitrite, chromate and separation of metals in waste water |
| 11/11/1993 | DE4214896A1 Wirbelschichtfermenter Fluidized bed fermenter |
| 11/11/1993 | DE4212578C1 Electrolysis cell for processing cleaning liq. - has electrically screening sheath around electrode pack |
| 11/11/1993 | CA2135171A1 A process and a device for the decomposition of free and complex cyanides, aox, mineral oil, complexing agents, cod, nitrite, chromate, and separation of metals in waste waters |
| 11/11/1993 | CA2135161A1 Fluidized-bed fermenter |
| 11/11/1993 | CA2110515A1 Device for removing undesirable substances from a fluid |
| 11/10/1993 | EP0569199A1 In situ biodegradation of groundwater contaminants |
| 11/10/1993 | EP0504203B1 Method and apparatus for effecting gas-liquid contact |
| 11/10/1993 | EP0472705B1 Method and apparatus for treatment of liquid photographic processing wastes |
| 11/10/1993 | EP0432250B1 Process for reducing the cyanide content of a solution |
| 11/10/1993 | CN2145789Y Water sterilizing and purifying device |
| 11/10/1993 | CN2145788Y Water purifying and magnetizing device |
| 11/10/1993 | CN2145787Y Thermos with insertion water magnetizing device |
| 11/10/1993 | CN2145786Y Bottle-like water purifying and mineralizing apparatus |
| 11/10/1993 | CN2145785Y Device for mineralizing, Activating and magnetizing water |
| 11/10/1993 | CN2145553Y Thermal insulation strong magnetic cup |
| 11/10/1993 | CN2145539Y Brush for shower bath |
| 11/10/1993 | CN2145514Y Beverage magnetizing Unit |
| 11/10/1993 | CN1078171A Process and reaction equipment for electric multi-phase catalysis |
| 11/10/1993 | CN1022671C Flocculant for water treatment |
| 11/09/1993 | US5259975 Complexing metal hydroxides with tolyltriazole |
| 11/09/1993 | US5259973 Treatment of spills with gelatin |
| 11/09/1993 | US5259972 Apparatus and method for purifying water |
| 11/09/1993 | US5259960 Regeneration and recycling of contaminated solutions from aluminum and tin washer processes |
| 11/09/1993 | US5259954 Portable intravenous solution preparation apparatus and method |
| 11/09/1993 | US5259936 Purified ion exchange resins and process |
| 11/09/1993 | US5259928 Apparatus for evaporation of liquid solutions |
| 11/09/1993 | US5259427 Package system for collection-transport of waste liquids |
| 11/09/1993 | CA2068295A1 Corrosion inhibition process |
| 11/09/1993 | CA1324108C Magnetization treatment apparatus of fluid |
| 11/08/1993 | CA2095788A1 Local reclamation system |
| 11/06/1993 | CA2095180A1 Method for purifying process water or wastewater containing wood resin |
| 11/05/1993 | CA2095275A1 Situ biodegradation of groundwater contaminants |
| 11/03/1993 | EP0568389A1 Process for removing oxidizable substance or reducible substance, composite supporting metal oxide or hydroxide, and process for production thereof |
| 11/03/1993 | EP0567951A1 Process for treating and recycling waste waters from car repair shops |
| 11/03/1993 | EP0567915A1 Process for recovering water-coating overspray during spray coating in spray booths |
| 11/03/1993 | EP0567914A1 Process and apparatus for waste water purification |
| 11/03/1993 | EP0567866A1 Treating of waste water from printing plants |
| 11/03/1993 | EP0567860A1 Microorganism removing method |
| 11/03/1993 | EP0567838A2 Neutralisation apparatus |
| 11/03/1993 | EP0567751A1 Drinking water treatment apparatus |
| 11/03/1993 | EP0567713A1 Process and apparatus for treating waste water containing hydrosulfides and hydrosulfites |
| 11/03/1993 | EP0567671A1 Removal of chromium from chrome-tanned leather wastes |
| 11/03/1993 | EP0567579A1 Modular unit for a tubular ultrasonic reactor. |
| 11/03/1993 | EP0567473A1 Process for treatment of a fluid. |
| 11/03/1993 | EP0470093B1 Method of processing water, in particular bath water |
| 11/03/1993 | EP0443024A4 Method and apparatus for electrophoretic separations |
| 11/03/1993 | CN2145210Y Purifying, minerlize, magnetize water tank |
| 11/03/1993 | CN2145185Y Permanent-magnet healthy hidden type magnetized water tap |
| 11/03/1993 | CN2145184Y Multi-efficient spurting desalination apparatus of seawater |
| 11/03/1993 | CN2145183Y Contaminant release sac-bag of mineralize, magnetize water |
| 11/03/1993 | CN2145182Y High-grade mineralize apparatus of drinking water |
| 11/03/1993 | CN2145181Y Healthy water treatment apparatus |
| 11/03/1993 | CN2145061Y Active high-speed seawater desalinator |
| 11/03/1993 | CN2144975Y Healthy snore piece |
| 11/03/1993 | CN2144972Y Luminous strong magnetic cup |
| 11/03/1993 | CN2144971Y Refrigeration magnetic mineral kettle |
| 11/03/1993 | CN1078014A Ground contamination remediation process and apparatus |
| 11/03/1993 | CN1077900A Dripping bottle with water magnetizing function |
| 11/03/1993 | CN1022606C Single-tower gaseous extracting method with side-draw for recovering sulfur and ammonia from acidic waste water of oil refinery |
| 11/02/1993 | US5258409 Reducing bacteria count in water of swimming pools, hot tubs and spas at high speed by adding a quaternary ammonium salt |
| 11/02/1993 | US5258125 Removing dissolved oxygen from alkaline water |
| 11/02/1993 | US5258124 Treatment of contaminated waste waters and groundwaters with photolytically generated hydrated electrons |
| 11/02/1993 | US5258108 Fluid-treatment and conditioning apparatus and method |
| 11/02/1993 | US5257588 Method for the abatement of flue gas from a process of combustion, more particularly a refuse incinerating plant |
| 11/02/1993 | CA1323944C Treatment of mercury contaminated lakes |
| 11/02/1993 | CA1323943C Process for the treatment of waste |
| 11/02/1993 | CA1323845C Membrane filtration apparatus and method of making a membrane filtration unit |
| 10/30/1993 | CA2080191A1 Soybean peroxidase treatment of contaminated substances |
| 10/29/1993 | CA2091193A1 Detoxification agents for surfactant based biocides |
| 10/28/1993 | WO1993021381A1 Procedure for separating and utilizing pigment |
| 10/28/1993 | WO1993021361A1 Composition and method for scavenging oxygen |
| 10/28/1993 | WO1993021118A1 Turbo oxidation system (tos) for 'wet combustion' of cod-containing liquids and for cod-reduction by enzymes |
| 10/28/1993 | WO1993021117A1 Process for decreasing chlorine content of chlorinated hydrocarbons |
| 10/28/1993 | WO1993021115A1 Water treatment |
| 10/28/1993 | WO1993021114A1 Apparatus and method for cleaning waste water and waste sludge by means of ion exchangers |
| 10/28/1993 | WO1993021113A1 Scum removing device |
| 10/28/1993 | WO1993021112A1 Method of reducing the level of contaminant materials in produced subterranean reservoir fluids |
| 10/28/1993 | WO1993021111A1 Device for removing purified water from circular settling tanks |
| 10/28/1993 | WO1993021045A1 Method for automatic washing of vehicles |
| 10/28/1993 | WO1993020917A1 Procedure and means for processing liquids |
| 10/28/1993 | WO1993019367A3 Particle aggregation method and apparatus |
| 10/28/1993 | DE4213805A1 Magnetic arrangement for water treatment - produces strong water turbulence to prevent adherent scale deposition |
| 10/28/1993 | DE4213021A1 Cleaning turbine for quartz sheath tube of UV radiation channel for sewage - has water driven rotor surrounding tube and having brushes which clean tube surface as turbine is traversed along tube by arm and returned to parking position |
| 10/28/1993 | CA2133958A1 Procedure and means for processing liquids |
| 10/28/1993 | CA2133707A1 Method of reducing the level of contaminant materials in produced subterranean reservoir fluids |