| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 09/03/1980 | EP0014859A1 Apparatus for separating a solid or viscous liquid component from a mixture |
| 09/03/1980 | EP0014767A1 Acrylyl or methacrylyl ureas containing quaternary groups and process for their preparation |
| 09/02/1980 | US4220723 Enzymatic treatment of proteinaceous animal waste products |
| 09/02/1980 | US4220635 Catalytic method for hydrolyzing urea |
| 09/02/1980 | US4220532 Flotation purification apparatus |
| 09/02/1980 | US4220529 Oxidative purification of water |
| 09/02/1980 | US4220528 Process for disoxidating gas or water |
| 09/02/1980 | US4220461 Low temperature synthesis of vitreous bodies and their intermediates |
| 09/02/1980 | CA1085070A1 Thickening device and method |
| 09/02/1980 | CA1085069A1 Incineration of lime-conditioned sewage sludge with high sulfur fuel |
| 09/02/1980 | CA1084916A1 Process for purifying an aqueous solution |
| 09/02/1980 | CA1084873A1 System method for electric dewatering of solids suspension |
| 09/02/1980 | CA1084868A1 Water waste treatment with periodic current reversal in production of microbubbles |
| 09/02/1980 | CA1084867A1 Decreasing the cyanide and heavy metal content of an aqueous solution |
| 09/02/1980 | CA1084790A1 Economic solar energy concentration and collection |
| 08/26/1980 | US4219419 Treatment of reducible hydrocarbon containing aqueous stream |
| 08/26/1980 | US4219418 Oxidation, flocculation, sedimentation, chlorination |
| 08/26/1980 | US4219417 Bubbling |
| 08/26/1980 | US4219416 Process for recovering molybdenum and tungsten from mining wastewater |
| 08/26/1980 | US4219415 Method and apparatus for disposal of organic wastes |
| 08/26/1980 | US4219413 Ion exchange resins |
| 08/26/1980 | US4219387 Solar still |
| 08/26/1980 | US4219341 Process and plant for the recovery of water from humid air |
| 08/20/1980 | EP0014672A1 Multistage flash evaporator |
| 08/20/1980 | EP0014648A1 Process for the simultaneous and economic production of energy sources, fresh water and by-products from aqueous substances and an energy source |
| 08/20/1980 | EP0014427A2 Multi-chamber photoreactor and irradiation method making use thereof |
| 08/20/1980 | EP0014276A1 Integrated sewage treatment system |
| 08/19/1980 | US4218431 Removal of sulfide contaminants from carbonate waters with production of CO2 -free H2 S |
| 08/19/1980 | US4218317 Reverse osmosis water purifier |
| 08/19/1980 | US4218316 Method of clarifying and removing water from water-solids suspensions |
| 08/19/1980 | US4218315 Water pollution control |
| 08/19/1980 | US4218290 Hot bed desalination process |
| 08/19/1980 | US4218147 Apparatus for diluting concentrated polymer solutions |
| 08/19/1980 | CA1084182A1 Method for separating pollutants from liquid |
| 08/19/1980 | CA1084181A1 Apparatus for removal of impurities from liquids |
| 08/19/1980 | CA1084180A1 Wastewater treatment |
| 08/19/1980 | CA1084179A1 Method for biological purification of waste water |
| 08/19/1980 | CA1083998A2 Suspended solids extraction system and method |
| 08/19/1980 | CA1083978A1 Two-stage decanter |
| 08/19/1980 | CA1083977A1 Skimmer for square settling tank |
| 08/19/1980 | CA1083916A1 Particulate composition |
| 08/19/1980 | CA1083867A1 Photon energy convertor |
| 08/19/1980 | CA1083758A1 Wet air oxidation apparatus |
| 08/14/1980 | EP0016013A4 Device for high efficiency continuous countercurrent extraction using a rotating helical tube. |
| 08/12/1980 | US4217363 Preservation of aqueous systems with α-chloro-β-aminocrotonamide |
| 08/12/1980 | US4217331 Disposable float dispenser |
| 08/12/1980 | US4217235 Process for the selective extraction of metal cations from aqueous solutions thereof and compositions |
| 08/12/1980 | US4217217 Neutralization, water pollution |
| 08/12/1980 | US4217215 Process for flocculation using crosslinked polysulfonium compounds |
| 08/12/1980 | US4217214 High molecular weight polyvinylamine hydrochloride as flocculant |
| 08/12/1980 | US4217210 Process and means for breaking emulsions |
| 08/12/1980 | US4217209 Process for removing heavy metal sulphides from aqueous systems |
| 08/12/1980 | US4217191 Electrochemical oxidation with anodically produced oxygen, continuous circulation |
| 08/12/1980 | US4217145 Process for admixing polymer emulsions with water to produce highly viscous liquids |
| 08/12/1980 | CA1083742A1 Stabilized mannich-base substituted water-in-oil polymer dispersions |
| 08/12/1980 | CA1083530A1 Suspended solids extraction system and method |
| 08/12/1980 | CA1083496A1 High strength cast modules for supporting reverse osmosis membranes |
| 08/07/1980 | WO1980001563A1 Recuperation of cyanides from rising solutions of cyanidric processes for electrodeposition of metals |
| 08/06/1980 | EP0013823A1 Apparatus and method for removing and collecting oil floating on water surfaces |
| 08/05/1980 | US4216185 Method and apparatus for purging disinfecting high purity water distribution systems |
| 08/05/1980 | US4216163 N-Sulfo alkane amino alkane phosphoric acids and their alkali metal salts, and a process of producing same |
| 08/05/1980 | US4216092 Scale inhibiting apparatus |
| 08/05/1980 | US4216088 Method of treating phenolic waters formed in the manufacture of phenol-formaldehyde resins |
| 08/05/1980 | US4216086 Process for clarifying water |
| 08/05/1980 | US4216085 Flotation method and apparatus |
| 08/05/1980 | US4216084 Method for treating waste water containing organic contaminants utilizing a magnesia adsorbent |
| 08/05/1980 | US4216083 Process for complete or selective removal of salts from aqueous solution |
| 08/05/1980 | US4216057 Purifying plant for water to be vaporized in a steam generator of a nuclear reactor |
| 08/05/1980 | US4215989 Process for chrome recovery from industrial waste and the like, as from chrome-ladened tannery waste, including pollution control of the same |
| 08/05/1980 | CA1083272A1 Treatment of mercury contaminated aqueous media |
| 08/05/1980 | CA1083271A1 Precipitation of iron related color bodies |
| 08/05/1980 | CA1083050A1 Removal of metallic mercury with activated carbon |
| 07/29/1980 | US4215148 Acrolein buffering composition and method of enhancing effective life of acrolein in an aqueous medium |
| 07/29/1980 | US4215147 Acrolein composition and method of enhancing effective life thereof in an aqueous medium |
| 07/29/1980 | US4214987 Two stage wastewater flotation |
| 07/29/1980 | US4214985 Method for sewage treatment with bacteria |
| 07/29/1980 | US4214962 Radiating oxygen with electromagnetic radiation |
| 07/29/1980 | US4214909 Aquatic antifouling method |
| 07/29/1980 | US4214887 Sewage and waste water treatment |
| 07/29/1980 | CA1082822A1 Disinfecting method |
| 07/29/1980 | CA1082672A1 Process and apparatus for regenerating adsorbents and wastewater treatment embodying the same |
| 07/29/1980 | CA1082606A1 Process and apparatus for regenerating polymeric adsorbents and wastewater treatment embodying the same |
| 07/29/1980 | CA1082403A1 Removal of volatile organic components from spent sulfite effluent |
| 07/23/1980 | EP0013659A1 Process for the extraction from water of hydrocarbons that contain halogen groups |
| 07/23/1980 | EP0013500A1 Apparatus and method for removing oil from water surfaces |
| 07/23/1980 | EP0013465A1 Staged froth flotation with intermediate recycle |
| 07/23/1980 | EP0013445A1 Hand-driven raw water extraction and treatment device |
| 07/23/1980 | EP0013416A1 Process for the preparation of alpha-beta unsaturated N-substituted carboxylic acid amides, alpha-beta unsaturated N-substituted carboxylic acid amides and their use for preparing ion exchangers |
| 07/23/1980 | EP0013412A2 Process for separating organic hydrophobic liquids from water |
| 07/22/1980 | US4214002 Preservation of aqueous systems with 2-chloro-3-oxobutyramide derivatives |
| 07/22/1980 | US4213830 Waste water is heat transfer medium |
| 07/22/1980 | CA1082377A1 Process for purifying waste water containing fluoride ion |
| 07/22/1980 | CA1082376A1 Treatment of liquids containing complexed heavy metals and complexing agents |
| 07/22/1980 | CA1082375A1 Method and system for aeration of waste liquids |
| 07/22/1980 | CA1082130A1 System for purifying liquids |
| 07/22/1980 | CA1081913A1 Apparatus for sanitizing liquids |
| 07/15/1980 | US4212743 Filter |
| 07/15/1980 | US4212735 Cocatalyst system of nitrate, bromide or iodide, and transition metal ions |
| 07/15/1980 | US4212732 Raw liquid waste treatment process |
| 07/15/1980 | US4212724 Oxidation and coagulation for aquarium applications |