| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/10/1979 | US4160742 Using as deemulsifier a copolymer of acrylamide and methylacrylamidotrimethylammonium chloride |
| 07/10/1979 | US4160737 For components suspended in a liquid |
| 07/10/1979 | US4160731 Using a cationic acrylamide copolymer |
| 07/10/1979 | US4160730 Adding hypochlorite, reduction, entrainment in a gas |
| 07/10/1979 | US4160729 Method for separating oils from water |
| 07/10/1979 | US4160725 Removal of phenolic compounds and ammonium compounds by stripping |
| 07/10/1979 | US4160711 Assembly of electrodes |
| 07/10/1979 | US4160675 Process for purifying an aqueous solution |
| 07/10/1979 | US4160594 Method and arrangement for the development of latent images particularly latent photographic images |
| 07/10/1979 | CA1058199A1 Certain oxime carbonates and method of controlling sulfate reducing bacteria |
| 07/10/1979 | CA1058190A1 Amino alcohol reaction products as detergents |
| 07/10/1979 | CA1058141A1 Spill control composition and use thereof |
| 07/10/1979 | CA1058051A1 Composition for converting hydrocarbons and fats into biodegradable aqueous emulsions and a process for the preparation of the composition |
| 07/10/1979 | CA1057947A1 Process for solidifying nuclear materials |
| 07/03/1979 | US4159944 Chelation of heavy metals from fertilizers |
| 07/03/1979 | US4159930 Process for recovering heavy metal ions from dilute aqueous solution |
| 07/03/1979 | US4159684 Method for incinerating waste sludges |
| 07/03/1979 | CA1057866A1 Microbiological method for removing pathogenic microbes and dissolved organic materials from liquids |
| 07/03/1979 | CA1057736A1 Method and apparatus for performing reactions in a substantially horizontal elongated tubular reactor allowing substantially plug-flow of fluids therethrough |
| 07/03/1979 | CA1057697A1 Method and device for breaking stabilized emulsions |
| 07/03/1979 | CA1057673A1 Scum skimmer with buoyant chamber support |
| 06/28/1979 | WO1979000347A1 Process and reactor for producing a treating aqueous solution containing at least hydrogenoperoxide ions and hydroxyl ions according to predetermined concentrations |
| 06/28/1979 | WO1979000346A1 Process and machine for washing and bleaching textile materials |
| 06/27/1979 | EP0002636A1 Process for fixing iodine and its industrial preparation |
| 06/27/1979 | EP0002597A1 Method and apparatus for removing ammonia from sludge liquor |
| 06/27/1979 | EP0002543A1 Solid particles containing calcium peroxide, their preparation and their utilisation for the treatment of water |
| 06/27/1979 | EP0002497A1 Process for treating used ammoniacal copper-etching solutions |
| 06/26/1979 | US4159309 Process for the catalytic reduction of reducible compounds in solution |
| 06/26/1979 | US4159246 Removal of fluorine from water |
| 06/26/1979 | US4159244 Fluid flow through sand, gravel, or porous concrete, adsorption on active carbon |
| 06/26/1979 | US4159235 Method and apparatus for treating metal containing waste water |
| 06/26/1979 | US4159228 Apparatus for solar distillation |
| 06/26/1979 | US4159227 Dual temperature direct contact condenser sumps |
| 06/26/1979 | CA1057272A1 Process for producing grit-free zeolitic molecular sieves |
| 06/26/1979 | CA1057234A1 Apparatus for the electrolytic regeneration of hexavalent chromium compounds and recovery of metals from waste bichromate solutions |
| 06/26/1979 | CA1057128A1 Process for the hygienic elimination of sewage containing salt-containing organic substances |
| 06/19/1979 | CA1056965A1 Biological intermediate sewage treatment with ozone pretreatment |
| 06/19/1979 | CA1056738A1 Esterification process waste water purification |
| 06/13/1979 | EP0002423A1 Process and machine for laundering and bleaching textile materials |
| 06/13/1979 | EP0002342A1 Water purification process |
| 06/13/1979 | EP0002203A1 Apparatus for the total desalinisation of water |
| 06/12/1979 | US4157963 Magnetic device for treatment of calcareous liquids |
| 06/12/1979 | US4157961 Combined waste water clarification and trash disposal system |
| 06/12/1979 | CA1056521A1 Process for slow softening water |
| 06/12/1979 | CA1056520A1 Treatment of municipal waste sludges |
| 06/12/1979 | CA1056519A1 Method for obtaining substantially complete removal of phenols from waste water |
| 06/12/1979 | CA1056160A1 Recovery of silver from silver-containing solutions |
| 06/05/1979 | US4157300 Oxidation of phenol with chlorine dioxide formed in situ by reaction of formaldehyde with a group 1a or 2a chlorite |
| 06/05/1979 | CA1056075A1 Degerminating bath water contaminated by the bacteria pseudomonas pyocanea |
| 06/05/1979 | CA1055947A1 POLYMERISABLE .alpha., .beta.-MONOOLEFINICALLY UNSATURATED MONOMERS CARRYING 8-HYDROXYQUINOLYL GROUPS |
| 06/05/1979 | CA1055889A1 Metallic filament electrode |
| 06/05/1979 | CA1055885A1 Carbon fiber electrode |
| 06/05/1979 | CA1055802A1 Cationic flocculants for raw water clarification |
| 05/30/1979 | EP0002072A1 Removal of bacteria from liquids and apparatus therefor |
| 05/30/1979 | EP0002070A1 Oil absorbent cellulosic material, especially material derived from bagasse, and methods of preparation and use thereof |
| 05/29/1979 | US4156652 Apparatus for sterilizing fluids with UV radiation and ozone |
| 05/29/1979 | US4156649 Dewatering ore concentrates with branched alkyl ethoxylated alcohol |
| 05/29/1979 | US4156648 Flotation device with pretreatment |
| 05/29/1979 | US4156647 Chemical reaction, adsorption or ion exchange |
| 05/29/1979 | US4156646 Adsorption using sodium titanate |
| 05/29/1979 | US4156644 Pulsating sludge bed with inclined plates |
| 05/29/1979 | US4156604 Metallic filler coated with polyurethane foam for ion exchanging |
| 05/29/1979 | CA1055623A1 Disinfection system and method |
| 05/29/1979 | CA1055420A Photooxidative destruction of organic wastes |
| 05/22/1979 | US4155848 Wet oxidation of wastes with circulation |
| 05/22/1979 | US4155847 Cationic polymer flocculant prepared by reacting epichlorohydrin and a Mannich reaction product |
| 05/22/1979 | US4155845 Flocculation |
| 05/22/1979 | US4155804 Removal of volatile organic components from spent sulfite effluent |
| 05/22/1979 | US4155742 Water-soluble binder |
| 05/22/1979 | CA1055168A1 Method and apparatus for microflotation by means of pressure liquid |
| 05/22/1979 | CA1054896A1 Process for removing and recovering precipitation agents from precipitate containing proteinous substances |
| 05/22/1979 | CA1054802A1 Membrane hydro-metallurgical extraction process |
| 05/16/1979 | EP0001792A1 Process for treating waste water |
| 05/15/1979 | US4154685 Gravity flow septic tank system |
| 05/15/1979 | US4154684 Apparatus to facilitate burning of a layer of oil, particularly oil spills |
| 05/15/1979 | US4154674 Selective removal of anions or cations using ion exchange resins |
| 05/15/1979 | US4154673 Ion exchanging dithionic acid anions |
| 05/15/1979 | US4154668 Three containers formed of non-conducting material |
| 05/15/1979 | US4154657 Dual dome structure for obtaining heating through solar energy |
| 05/15/1979 | US4154642 Falling film evaporator |
| 05/15/1979 | US4153955 Solar energy converter |
| 05/15/1979 | CA1054728A1 Coal-base landfill, leachate treatment |
| 05/15/1979 | CA1054331A1 Ultraviolet water purifier |
| 05/08/1979 | US4153628 Sulfur trioxide |
| 05/08/1979 | US4153559 Magnetic |
| 05/08/1979 | US4153556 Method and apparatus for conditioning demineralized water |
| 05/08/1979 | US4153548 Process for controlling pollution and contamination in the electrodeposition of paint |
| 05/08/1979 | US4153546 Method and apparatus for separating solvent from solute |
| 05/08/1979 | US4153452 Recovery of metals from bimetallic salt complexes |
| 05/08/1979 | US4153419 Agglomeration of coal fines |
| 05/08/1979 | US4152898 Energy transfer apparatus and method using geothermal brine |
| 05/08/1979 | CA1054269A2 Fluid treating apparatus |
| 05/08/1979 | CA1054268A1 Treatment of oil drilling effluents_ |
| 05/03/1979 | WO1979000230A1 A method and an agent for chemical purification of water by means of chemical precipitation and magnetic sludge separation |
| 05/02/1979 | EP0001679A1 Particulate polyurethane polymers in the form of micro-bits, a process for their preparation and aqueous slurries containing them |
| 05/01/1979 | US4152409 Method for carrying out air oxidation and for adding fine bubbles to a liquid |
| 05/01/1979 | US4152307 Process for production of a water-in-oil polymer emulsion having an excellent fluidity using an acrylic monomer containing quarternary ammonium salt |
| 05/01/1979 | US4152287 Method for calcining radioactive wastes |
| 05/01/1979 | US4152262 Filtration and purification apparatus |
| 05/01/1979 | US4152238 Softening and regulating ph of drinking water |