| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 05/10/2000 | CN1052211C Method for treatment of waste water containing pentaerythritol |
| 05/10/2000 | CA2289306A1 Novel application for specific resolution of colloidal emulsions from desalter mudwash water |
| 05/09/2000 | US6060164 Flocculating or viscosifying compositions and their production and use |
| 05/09/2000 | US6060092 In-line carbonation of drinking water |
| 05/09/2000 | US6059980 Method of inhibiting microbial growth in an aqueous medium |
| 05/09/2000 | US6059978 Mixing with cationic polymer and sulfonated novolak anionic polymer |
| 05/09/2000 | US6059975 Crosslinked polymer beads |
| 05/09/2000 | US6059974 Water treatment process |
| 05/09/2000 | US6059971 Centrifuge |
| 05/09/2000 | US6059942 Electrolytic cell |
| 05/09/2000 | US6059941 Apparatus for generating a sterilizing solution |
| 05/09/2000 | US6058718 Portable, potable water recovery and dispensing apparatus |
| 05/09/2000 | CA2289062A1 Domestic method and apparatus for dispensing purified water |
| 05/09/2000 | CA2289060A1 Method and apparatus for purifying water |
| 05/09/2000 | CA2289054A1 Pressure swing contactor for the treatment of a liquid with a gas |
| 05/09/2000 | CA2288947A1 Method and apparatus for measuring the degree of treatment of a medium by a gas |
| 05/09/2000 | CA2253697A1 Water purifier |
| 05/09/2000 | CA2253690A1 Method and apparatus for measuring the degree of treatment of a medium by a gas |
| 05/09/2000 | CA2253689A1 Method and apparatus for concentrating a gas using a single stage adsorption zone |
| 05/09/2000 | CA2253101A1 Method and apparatus for enhancing the dissolution of a gas in a liquid |
| 05/09/2000 | CA2253079A1 Pressure swing contactor for ozone water treatment |
| 05/09/2000 | CA2161584C Food processing effluent rendering process and apparatus |
| 05/09/2000 | CA2140228C Fluid disinfection unit |
| 05/09/2000 | CA2001729C Polymeric basic aluminum silicate-sulphate |
| 05/04/2000 | WO2000024992A1 In-line, in-pool water purification system |
| 05/04/2000 | WO2000024991A1 Spa chemistry monitor unit |
| 05/04/2000 | WO2000024680A1 Lanthanide halide water treatment compositions and methods |
| 05/04/2000 | WO2000024679A1 A process for the control of microbial contamination in water-based solids suspensions |
| 05/04/2000 | WO2000024678A1 Method and transducer for treating the water in a basin |
| 05/04/2000 | WO2000024674A1 Method for reducing metal ion concentration in brine solution |
| 05/04/2000 | WO2000024508A1 Method for producing a graphite-based sorbant |
| 05/04/2000 | WO2000024499A1 A cross-flow filtration apparatus |
| 05/04/2000 | WO2000024487A1 Water condensation system |
| 05/04/2000 | WO2000024432A1 Treatment of biofilm on marine seismographic equipment |
| 05/04/2000 | DE19953056A1 Treatment of dredged material and other products contaminated with organometallic compounds comprises electrochemical activation of suspension in process water in undivided cell, using current density to adjust pH |
| 05/04/2000 | DE19949734A1 Arrangement of permanent magnets in close proximity to water pipe |
| 05/04/2000 | DE19854651C1 Water softener regeneration monitoring process and assembly maximizes use of the regeneration agents and minimizes the use of water |
| 05/04/2000 | DE19850565A1 Island sea water desalination plant sub-divided for discrete operation of each stage using only limited wind-generated power |
| 05/04/2000 | DE19850318A1 Degradation of organic compounds comprises electrochemical oxidation in nitric acid anolyte containing silver ions without forming nitrogen oxides |
| 05/04/2000 | DE19850286A1 Production of cellulosic biosorbents, used for removing heavy metals from aqueous solution |
| 05/04/2000 | DE19850170A1 Nicht-toxisches Verfahren zur Verhinderung von Biobewuchs in geschlossenen wäßrigen oder wasserführenden Systemen A non-toxic method of preventing biofouling in closed aqueous or water-bearing systems |
| 05/04/2000 | DE19850164A1 Neue Algizide New algaecides |
| 05/04/2000 | DE19849924A1 Electro-chemical process to remove organic acids from aqueous solution at reduced cost |
| 05/04/2000 | DE19849922A1 Verfahren zur Behandlung von Basen und organische Säuren enthaltenden wäßrigen Lösungen A method for the treatment of bases and aqueous solutions containing organic acids |
| 05/04/2000 | DE19849427A1 Waste oil removal from hard surfaces or water comprises use of chopped leather fibres transported in compacted form |
| 05/04/2000 | CA2346955A1 In-line, in-pool water purification system |
| 05/04/2000 | CA2346922A1 Lanthanide halide water treatment compositions and methods |
| 05/04/2000 | CA2346210A1 A process for the control of microbial contamination in water-based solids suspensions |
| 05/04/2000 | CA2315705A1 Spa chemistry monitor unit |
| 05/03/2000 | EP0997440A2 Process for accelerating reaction of ozone and waste water with a catalyst |
| 05/03/2000 | EP0997439A2 Method for decomposing bromic acid by photocatalyst and apparatus therefor |
| 05/03/2000 | EP0997438A2 Disposal of waste water |
| 05/03/2000 | EP0997437A2 Reactor for treating liquids |
| 05/03/2000 | EP0997436A1 Process for preparing usable products from an impure ferric sulfate solution |
| 05/03/2000 | EP0997194A2 Salt grid for water softening system brine tank |
| 05/03/2000 | EP0996594A1 Process for the removal of pentavalent arsenic from water |
| 05/03/2000 | EP0996593A1 Method for removing biomass from a liquid by means of a reactor |
| 05/03/2000 | EP0996592A2 Method for removing pollutant organic fluids from surface water |
| 05/03/2000 | EP0996505A1 Fluid conditioning system and method |
| 05/03/2000 | EP0996503A1 Water container with filter cartridge |
| 05/03/2000 | EP0871591B1 Filtration tank and means for subsequent purification of waste water |
| 05/03/2000 | EP0739311B1 Liquid decontamination system using electrical discharge with gas injection |
| 05/03/2000 | EP0602182B1 Apparatus and method for deinking waste paper pulp |
| 05/03/2000 | CN2376469Y Water circulation scaler for car |
| 05/03/2000 | CN2376468Y Multi-function mineral water generator |
| 05/03/2000 | CN1251868A Method for washing fabrics with atomic oxygen instead of detergent and its washing machine |
| 05/02/2000 | US6057268 Solid form compositions for treating natural bodies of water |
| 05/02/2000 | US6056997 Magnesium hydroxide or magnesium oxide. |
| 05/02/2000 | US6056885 Slurrying, conveying, generating ozone; flocculation; pelletization; forming bricks |
| 05/02/2000 | US6056884 Flowing within an electric field; applying alternating current voltage across electrode wires |
| 05/02/2000 | US6056883 Method and apparatus to remove inorganic scale from a supercritical water oxidation reactor |
| 05/02/2000 | US6056881 Filtration of petroleum products from boats; pumping |
| 05/02/2000 | US6056880 Blending with acid; mixing with calcium, sodium, lithium, and/or potassium oxide or hydroxide; pressurization, heating; applying magnetic field; discharging |
| 05/02/2000 | US6056878 Method and apparatus for reducing scaling in electrodeionization systems and for improving efficiency thereof |
| 05/02/2000 | US6056876 Method and apparatus for wastewater treatment |
| 05/02/2000 | US6056875 Shower filter media |
| 05/02/2000 | US6056873 Management of a body of water |
| 05/02/2000 | US6056872 Magnetic device for the treatment of fluids |
| 05/02/2000 | US6056866 Sterilizing apparatus and method for medical instruments |
| 05/02/2000 | US6056858 Electrolysis of water into oxygen and hydrogen; decomposition; dissipater |
| 05/02/2000 | US6056275 Device for introducing gas into liquids |
| 05/02/2000 | US6056209 Chemical-free solution treatment process |
| 05/02/2000 | CA2169883C A material and method for inhibiting bacterial growth in an aqueous medium |
| 04/28/2000 | CA2287102A1 Salt grid for water softening system brine tank |
| 04/27/2000 | WO2000023645A1 A method of washing cloth with oxygen-atom instead of detergent and a washing machine thereof |
| 04/27/2000 | WO2000023384A1 Bottled water cooler with built-in oxygen generator and oxygen injection system |
| 04/27/2000 | WO2000023383A1 Method and apparatus for continuous or intermittent supply of ozonated water |
| 04/27/2000 | WO2000023382A1 Method and apparatus for preventing scaling in electrodeionization units |
| 04/27/2000 | WO2000023381A1 Device for purifying fluid with photonic pulses |
| 04/27/2000 | WO2000023379A1 Method for obtaining ammonia from waste water containing nh3 and acid gases |
| 04/27/2000 | WO2000023167A1 Electric water kettle and filter |
| 04/27/2000 | WO2000022928A1 A method for reducing amino acid biosynthesis inhibiting effects of a sulfonyl-urea based compound |
| 04/27/2000 | WO2000005175A3 Method and device for capacitative demineralization of fluids containing ions |
| 04/27/2000 | WO1999054257A9 Inorganic composition, process of preparation and method of use |
| 04/27/2000 | CA2346949A1 A method of washing cloth with oxygen-atom instead of detergent and a washing machine thereof |
| 04/27/2000 | CA2344174A1 Method and apparatus for continuous or intermittent supply of ozonated water |
| 04/26/2000 | EP0995721A2 Process for retaining in a basin biomass-forming microorganisms in water suspension |
| 04/26/2000 | EP0995483A1 A cross-flow filtration apparatus |
| 04/26/2000 | EP0995482A2 Fresh water generator and fresh water generating method |
| 04/26/2000 | EP0995481A2 Fresh water generator and fresh water generating method |