| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/29/1992 | CN1017599B Ion-exchang unit with a tube for input and output of resin |
| 07/29/1992 | CN1017598B Treating apparatus and technology for sodiumion exchanging water without electric consuming |
| 07/28/1992 | US5134158 Biocidal compositions and use thereof containing a synergistic mixture of 3-iodo-2-propynyl-butyl carbamate and 3,4-dichloro-1,2-dithiol-3-one |
| 07/28/1992 | US5134078 Withdrawal of ground water from soil, anaerobic, then aerobic biodegradation, slow filtration, returning it to flush the soil |
| 07/28/1992 | US5133945 UV lamp transmittance controller |
| 07/28/1992 | US5133877 Conversion of hazardous materials using supercritical water oxidation |
| 07/28/1992 | US5133875 Saponification, acidification, basification |
| 07/28/1992 | US5133873 Acidification and treatment of water with iron particles to remove copper ions |
| 07/28/1992 | US5133871 Removal of heavy metals from drinking water |
| 07/28/1992 | US5133870 Treatment of aqueous dispersions |
| 07/28/1992 | US5133848 Electrolysis unit to disinfect drinking water |
| 07/28/1992 | US5133846 Silver recovery device |
| 07/28/1992 | US5133831 Method of concentrating black liquor by evaporation |
| 07/28/1992 | US5133381 Dual range periodic chemical dispenser for swimming pools |
| 07/28/1992 | CA1305661C Biocidal compositions and use thereof |
| 07/23/1992 | WO1992011916A1 Process for removal of metal ions from water |
| 07/23/1992 | DE4101340A1 Device for electromagnetic treatment of piped water - has whitworth screw threads to DIN 259 for easy attachment to water taps, domestic appliances, etc. |
| 07/23/1992 | DE4101336A1 Inactivation of bactericidal sanitary chemical contg. quat. ammonium cpd. - by addn. of anionic cpd. before release into biological sewage treatment plant |
| 07/23/1992 | DE4101333A1 Reducing toxicity of alkaline soln. contg. halogenate and halide - by converting halogenate to halide, useful for epitaxial prodn. of semiconductors |
| 07/23/1992 | DE4101173A1 Sepg. floating and sinking impurities from waste water |
| 07/23/1992 | DE4101172A1 Gravitational separator for floating impurities such as fats and oils - has pipe leads from conical upper section of closed separator to exchangeable collection vessel, and adaptor or pipe has same dimensions as standard vessel cover |
| 07/23/1992 | CA2058596A1 Drive means for lime feeder |
| 07/22/1992 | EP0495707A1 Method and device for the oxidation of organic micropollutants in water by O3/H2O2 coupling |
| 07/22/1992 | EP0495386A1 Process for separating floating and settleable materials from waste water |
| 07/22/1992 | EP0495223A1 Process for separating metalions more electropositive than iron from process andwaste waters |
| 07/22/1992 | EP0495120A1 Liquid-absorbing block |
| 07/22/1992 | EP0494866A1 Process and device for treating, in particular cleaning, water containing halogenated ethylenes. |
| 07/22/1992 | EP0494861A1 Process for treatment of water and apparatus therefor. |
| 07/22/1992 | EP0470070A4 A submerged electrolytic cell pool purifier |
| 07/22/1992 | CN2110632U Chinese medical stone magnetic cup |
| 07/22/1992 | CN2110631U Magnetic and mineralizing water container |
| 07/22/1992 | CN2110513U Water clarifier |
| 07/22/1992 | CN2110446U Eastern magic bottle |
| 07/22/1992 | CN2110440U Magnetic kettle with thermostatic device |
| 07/22/1992 | CN2110426U Thermostatic magnetic water cup |
| 07/22/1992 | CN2110425U Multifunctional health cup |
| 07/22/1992 | CN1062887A Full automatic program-control device for softening hard water |
| 07/22/1992 | CN1062855A Apparatus for treating absorbent liquid from waste gase desulfuration device |
| 07/22/1992 | CN1017521B Full water treatment apparatus for use in soft drink dispensing system |
| 07/21/1992 | US5132383 Salt formation by reacting halohydroxypropyl methacrylate mixtures with trialkylamine; addition polymerization; flocculants |
| 07/21/1992 | US5132090 Submerged rotating heat exchanger-reactor |
| 07/21/1992 | US5132022 Effluent precipitation and neutralization chamber |
| 07/21/1992 | US5132021 In situ treatment of waste water to prevent ground water contamination |
| 07/21/1992 | US5132019 Method of removing corrosion products in a water circulation system |
| 07/21/1992 | US5131994 Electrophoresis method and apparatus |
| 07/21/1992 | US5131938 Borate algaecide and fungicide |
| 07/21/1992 | CA1305569C Method and apparatus for use in separating solids from liquids |
| 07/21/1992 | CA1305568C Equipment for the anaerobic purification of waste water |
| 07/21/1992 | CA1305304C Recovery of bf _from olefin oligomer process |
| 07/19/1992 | WO1992012811A1 A water distiller having operating portions that can be removed for cleaning |
| 07/19/1992 | WO1992012784A1 Faucet with removable filter for a water distiller |
| 07/19/1992 | WO1992012778A1 A water distiller having heating element with temperature sensing and control elements |
| 07/19/1992 | WO1992012776A1 A low profile water distiller |
| 07/19/1992 | CA2076048A1 Faucet with removable filter for a water distiller |
| 07/19/1992 | CA2076014A1 Water distiller having element with temperature sensing and control elements |
| 07/19/1992 | CA2075965A1 Water distiller having operating portions that can be removed for cleaning |
| 07/19/1992 | CA2075938A1 Low profile water distiller |
| 07/17/1992 | CA2059439A1 Process and apparatus for organic micropollutants oxidation in water with the 03/h202 couple |
| 07/16/1992 | DE4200479A1 Compsn. for cleaning heavily loaded esp. coloured waste water - contg. acid activated clay material, salt of aluminium or iron, lignite dust, calcium carbonate and opt. calcium hydroxide |
| 07/16/1992 | DE4100983A1 Vorrichtung zur biologischen reinigung von abwasser Device for biological purification of waste water |
| 07/16/1992 | DE4100822A1 Method of sepg. floating and sinking impurities from waste water - using conical inlet duct to slow down flow and allow thermal and gravitational sepn. to take place before water enters main spiral sedimentation channel |
| 07/16/1992 | DE4100799A1 Method of liq. purificn. esp. drinking water - before filtration, liq. passes through electric field of 1000 to 2000 volts, which kills microorganisms and agglomerates impurities |
| 07/15/1992 | EP0494838A1 Apparatus for descaling water by means of a magnetic field |
| 07/15/1992 | EP0494836A1 Process for purifying aqueous solutions polluted by nitrate ions |
| 07/15/1992 | EP0494444A1 Process for waste water purification |
| 07/15/1992 | EP0494373A1 Composition for treating swimming pools |
| 07/15/1992 | EP0494334A1 Method for cleaning porous ceramic filters |
| 07/15/1992 | EP0494188A1 Oil treatment method. |
| 07/15/1992 | EP0464193A4 Treatment of piggery effluent |
| 07/15/1992 | EP0462103A4 An improved magnetic-field amplifier |
| 07/15/1992 | EP0283509B1 The control of biofouling in aqueous systems by non-polymeric quaternary ammonium polyhalides |
| 07/15/1992 | EP0258237B1 Method and apparatus for reducing pitting in copper water pipes |
| 07/15/1992 | CN2110313U Tap water magnetization transducer |
| 07/15/1992 | CN2110272U Fluid magnetic apparatus |
| 07/15/1992 | CN2110013U Magnetic water scale apparatus for boiler |
| 07/15/1992 | CN2110012U Cold-hot distilled water machine |
| 07/15/1992 | CN2109768U Mineral magnetizing healthy travelling kettle |
| 07/15/1992 | CN1062713A Compound purifying agent for sewage and its making method |
| 07/14/1992 | US5130396 Formed, polymeric organosiloxane ammonium compounds, method of their preparation and use |
| 07/14/1992 | US5130081 Protective coating of noble metal to prevent stress cracking, oxide film |
| 07/14/1992 | US5130080 Method of providing extended life expectancy for components of boiling water reactors |
| 07/14/1992 | US5130051 Precipitation of toxic metals with silicate and a fixatives |
| 07/14/1992 | US5130033 Bromide donor and oxidizer |
| 07/14/1992 | US5130032 Industrial toxic waste water, oxidation with ozone, sonic vibration |
| 07/14/1992 | US5130031 Method of treating aqueous liquids using light energy, ultrasonic energy, and a photocatalyst |
| 07/14/1992 | US5130029 Flotation method for purification of a liquid from solid and liquid impurities |
| 07/14/1992 | US5130028 Method of treating waste water for organic contaminants with water dispersible organically modified smectite clay compositions |
| 07/14/1992 | US5130026 Process and apparatus for removing ammonium from aqueous liquids |
| 07/14/1992 | US5130020 Portable water filter unit having storage space for flexible tubes |
| 07/14/1992 | US5130015 Liquid purifying attachment having pressurizing piston |
| 07/14/1992 | US5129999 Lens disinfector and method |
| 07/14/1992 | US5129415 System and method for automatically selecting one of a plurality of liquid supply receptacles as a source for a liquid dispensing apparatus |
| 07/14/1992 | CA1305266C Substances for the manufacture of paper |
| 07/14/1992 | CA1305119C Method of treating organic waste material and a catalyst/cocatalystcomposition useful therefor |
| 07/11/1992 | WO1992011915A1 Process for treatment of a fluid |
| 07/10/1992 | CA2033813A1 Zebrex chlorinator (a static in-line chlorinator) |
| 07/09/1992 | WO1992011209A1 Water sterilising device |
| 07/09/1992 | WO1992011208A1 Effluent treatment |
| 07/09/1992 | WO1992011207A1 Solar distiller |
| 07/09/1992 | WO1992011206A1 Process and plant for purification of agricultural waste material |