Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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03/27/1985 | EP0135486A1 Method of controlling an anaerobic treatment process |
03/27/1985 | EP0135298A2 A method for concentrating and separating water soluble polymeric material containing carboxylic acid mers from an aqueous system containing the polymeric material and other soluble ionic material and a kit of parts for carrying out such method |
03/27/1985 | EP0135144A1 Liquid gas injection system for wet oxidation vessel |
03/26/1985 | US4507273 Oxidation process for production of acidic ferric sulphate |
03/26/1985 | US4507253 Equipment for gassing a liquid and process for operating the equipment |
03/26/1985 | US4507209 Destabilization of sludge with hydrolyzed yam starch flocculants |
03/26/1985 | US4507208 Process for handling waste from oil well operations |
03/26/1985 | US4507207 Process for the chemical removal of phosphorus compounds from waste water |
03/26/1985 | US4507206 Method for restoring and maintaining eutrophied natural bodies of waters |
03/26/1985 | US4507193 From a subatmospheric environment |
03/26/1985 | US4507175 Heat exchanging |
03/26/1985 | CA1184532A1 Magnetic water conditioning device |
03/26/1985 | CA1184473A1 Device for automatic circulation in sewage water pump stations |
03/26/1985 | CA1184469A2 Filter media, method for oxidizing and removing soluble iron, method for removing and inactivating microorganisms and particulate filter aid |
03/26/1985 | CA1184372A1 Detoxification or decontamination of effluents and/or flue gases |
03/20/1985 | EP0134766A1 Method of treating peroxide-containing wastewater |
03/20/1985 | EP0134393A2 Process for separating hydrocarbons from water, particularly ground water |
03/20/1985 | EP0134271A1 Process and plant for the biological depuration of effluents |
03/19/1985 | US4506081 Micorbiocides, corrosion resistance, delamination, flocculants, softners, antistatic, demulsifiers |
03/19/1985 | US4505889 Protracted release microbiocidal article for aqueous systems |
03/19/1985 | US4505839 Quaternaries, demulsifiers, flotation agents |
03/19/1985 | US4505831 Waterbase paints, cutting fluids |
03/19/1985 | US4505828 Amphoteric water-in-oil self-inverting polymer emulsion |
03/19/1985 | US4505823 Filtering device for treating contaminated aqueous solutions |
03/19/1985 | US4505815 Magnetic liquid treating device |
03/19/1985 | US4505734 Copper based algaecides and aquatic herbicides |
03/19/1985 | US4505728 Vacuum freezing multiple phase transformation process and apparatus for use therein |
03/19/1985 | CA1184165A1 Polymeric material, preparation thereof and utilisation in treatment of water |
03/14/1985 | WO1985001076A1 Water inlet including a rack or frame with drain pipes |
03/14/1985 | WO1985001041A1 Electrostatic water treatment and electrode therefor |
03/13/1985 | EP0134061A1 Method and apparatus for separating from each other the components of a mixture of oil, water and soil |
03/13/1985 | EP0133920A1 Automatically controlled system for sanitizing water bodies |
03/13/1985 | EP0020678B1 Method for sewage treatment with bacteria |
03/12/1985 | US4504394 Process for the treatment of organic fall-out products |
03/12/1985 | US4504389 Removable cartaidge; household faucets |
03/12/1985 | US4504387 System and method for water purification |
03/12/1985 | US4504362 Solar desalination system and method |
03/12/1985 | US4504356 Continuous process of removing silica from spent pulping liquors |
03/12/1985 | CA1183974A1 Treatment of industrial wastewaters |
03/06/1985 | EP0133677A2 Method and apparatus for the demineralization of water for a dishwashing machine |
03/05/1985 | US4503017 Precipitation of sulfides |
03/05/1985 | US4503016 Process for extracting heavy metal ions from aqueous solutions |
03/05/1985 | US4502975 Water pollution control |
03/05/1985 | US4502962 Hydrocarbon solvent-based dispersant formulation and its use in the dispersion of viscous oil spills |
03/05/1985 | US4502961 Destabilization of sludge with hydrolyzed cassava starch flocculants |
03/05/1985 | US4502960 Insoluble metal salts formed in situ |
03/05/1985 | US4502959 Purification of secondary recovery waterflood liquids |
03/05/1985 | US4502958 Method and device for the separation of suspended solids in waste water |
03/05/1985 | US4502953 Water purifying apparatus with air check valve and filter condition indication |
03/05/1985 | CA1183618A1 Method of clarifying proteinaceous waste water containing solid impurities |
03/05/1985 | CA1183487A1 Liquid purification system |
02/28/1985 | EP0118428A4 An improved method and apparatus for recycling energy in counterflow heat exchange and distillation. |
02/27/1985 | EP0133614A2 Method for the biological transformation of substrates |
02/26/1985 | US4501834 Gels formed from anionic and cationic polymers |
02/26/1985 | US4501671 Method and apparatus for treatment of oily waste |
02/26/1985 | US4501668 Mixing with acrolein-formaldehyde condensation product for deodorizing |
02/26/1985 | US4501666 Contacting with a phosphomethylaminochelate resin |
02/26/1985 | US4501664 Method and apparatus for treating organic wastewater |
02/26/1985 | US4501661 Method and apparatus for purification and activation of water |
02/26/1985 | CA1183289A1 Water clarification |
02/19/1985 | US4500494 Microencapsulated chelating agents and their use in removing metal ions from aqueous solutions |
02/19/1985 | US4500434 Injection of brine-soluble acid |
02/19/1985 | US4500433 Method of removing salts of the alkali earth metal group from water |
02/19/1985 | US4500428 Dewatering, oxidizing and acidification followed by exposure to ozone and air |
02/19/1985 | US4500427 Activated-sludge process for wastewater treatment |
02/19/1985 | US4500404 Chlorine generator device |
02/19/1985 | US4500324 Precipitation of nickel as nickel-dimethyl glyoxime comples |
02/19/1985 | CA1182839A1 Extraction of phenols from aqueous solutions |
02/19/1985 | CA1182761A1 Fluid treatment apparatus |
02/19/1985 | CA1182759A1 Filter media for cleansing entrained oils from oil-in- water emulsions |
02/19/1985 | CA1182758A1 Apparatus for filtration |
02/14/1985 | WO1985000532A1 Thermal membrane distillation system |
02/13/1985 | EP0133143A1 Portable device for injecting and mixing a liquid product into a water conduit |
02/13/1985 | EP0133104A1 Process for retaining a substance dissolved in a solution |
02/13/1985 | EP0132906A2 Extracting chromium (III) from aqueous solutions with 2-ethylhexyl acid phosphate |
02/13/1985 | EP0132762A2 A filter for purifying drinkable and non-drinkable water |
02/13/1985 | EP0132700A1 Liquid phosphine oxide systems for solvent extraction |
02/13/1985 | EP0132546A1 Filtration and separation apparatus for fluids, particularly for water desalination and purification by reverse osmosis and ultrafiltration |
02/12/1985 | US4498993 Process for the treatment of clay slimes |
02/12/1985 | US4498991 Fluid flow through zones where components have different velocities due to selective retardation or acceleration |
02/12/1985 | US4498959 Cooling attachment for solar distiller |
02/12/1985 | US4498921 Trichloroisocyanuric acid composition |
02/12/1985 | CA1182594A1 Treatment of water |
02/12/1985 | CA1182593A1 Apparatus for treating liquids through ion exchange resin, especially a domestic water softener |
02/12/1985 | CA1182495A1 Apparatus for slurrying powdered solids |
02/12/1985 | CA1182419A1 Oil sludge conditioning process and equipment |
02/05/1985 | US4497749 Check valve for ammonia injector apparatus |
02/05/1985 | US4497712 Highly permeable non-woven synthetic fiber |
02/05/1985 | US4497663 Method of encapsulating a polluting liquid |
02/05/1985 | US4497177 System for obtaining air movement |
02/05/1985 | CA1181916A1 Salt recovery system for a liquid curing medium |
01/31/1985 | WO1985000355A1 Method and apparatus for on site treatment of waste water with radiation activated fluid |
01/31/1985 | WO1985000354A1 Process and apparatus for handling waste from oil well operations |
01/31/1985 | WO1985000298A1 Contacting a gas and a liquid to remove an unwanted gas |
01/29/1985 | US4496452 Electrolytic cell for small scale use |
01/29/1985 | US4496374 Addition of talc to coagulate particles in a wash solution |
01/29/1985 | CA1181698A1 Waste treatment process and apparatus |
01/29/1985 | CA1181653A1 Process and composition for conditioning an aqueous system |
01/22/1985 | US4495367 High charge density, cationic methacrylamide based monomers and their _polymers |
01/22/1985 | US4495200 Treatment with a dithiocarbamate |