| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 12/04/1979 | CA1067439A1 Process and apparatus for re-refining used petroleum products |
| 12/04/1979 | CA1067416A1 Ultrafiltration apparatus and process for treatment of liquids |
| 11/29/1979 | WO1979000975A1 Process for treating crude waters and waste waters and application thereof |
| 11/28/1979 | EP0005580A1 Process and apparatus for electrolytically removing metal ions from a dilute solution thereof |
| 11/28/1979 | EP0005505A2 Open-cell foamed polyurethane resins containing compounds forming chelates and/or complexes of chelates, process for their preparation and their application to the adsorption of heavy-metal ions from waste water |
| 11/27/1979 | US4176107 Water-soluble dispersions of high molecular water-soluble polymers containing a surfactant and a water-soluble organic carrier which is a hydroxy compound containing repeating alkylene oxide units |
| 11/27/1979 | US4176063 Water purifier system and valve |
| 11/27/1979 | US4176061 Apparatus and method for treatment of fluid with ozone |
| 11/27/1979 | US4176060 Process for soluble cyanide removal from wastewater streams |
| 11/27/1979 | US4176058 Method means for de-silting water |
| 11/27/1979 | US4176057 Method and apparatus for recovering liquid and solid constituents of water solutions containing sparingly soluble solids |
| 11/27/1979 | US4176056 Cyclic operation of a bed of mixed ion exchange resins |
| 11/27/1979 | US4176038 Water purification method and apparatus |
| 11/27/1979 | US4176032 Chlorine dioxide analyzer |
| 11/27/1979 | US4176031 Digital hypochlorous acid analyzer |
| 11/27/1979 | US4176012 Adjacent loop distillation |
| 11/27/1979 | US4175976 Non-dusting agent and method of manufacture |
| 11/27/1979 | CA1067243A1 Crude oil demulsifiers |
| 11/27/1979 | CA1067223A1 Process for water oxydising purification by action of hydrogen peroxyde on sodium hypochlorite or bromine |
| 11/27/1979 | CA1067222A1 Waste treatment of fluoroborate solutions |
| 11/27/1979 | CA1067221A1 Method for treating liquid wastes |
| 11/20/1979 | US4175041 Apparatus for degassing floating sludge |
| 11/20/1979 | US4175038 Chlorinating impure solution to form chlorates |
| 11/20/1979 | US4174925 Apparatus for exchanging energy between high and low pressure systems |
| 11/20/1979 | CA1066821A1 Activated sludge treatment |
| 11/14/1979 | EP0005419A1 Aluminium sulphate compositions containing polynuclear complexes and a method of producing the same and the use thereof |
| 11/14/1979 | EP0005411A1 Devices and methods for recovering floating layers of liquid |
| 11/14/1979 | EP0005390A1 Process for treatment of raw and waste water and its application |
| 11/14/1979 | EP0005286A1 Compact solid disinfecting composition containing a mixture of lithium hypochlorite and calcium hypochlorite |
| 11/14/1979 | EP0005270A1 Separation of sulfur dioxide from waste waters and on occasion from waste gases |
| 11/14/1979 | EP0005262A2 Process for separating mercury from aqueous solutions |
| 11/14/1979 | EP0005235A2 Apparatus for disinfecting water and/or removing algae from it |
| 11/14/1979 | EP0005203A2 Process for treating waste waters containing aromatic nitro-hydroxy compounds |
| 11/14/1979 | EP0005138A1 Process for producing synthesis gas with wash water purification and novel flash column for use in said process |
| 11/13/1979 | US4174291 Crystallization seed-containing composition |
| 11/13/1979 | CA1066439A1 Filters for the selective collection of metallic ions |
| 11/13/1979 | CA1066227A1 Electrostatic water treatment system |
| 11/13/1979 | CA1066021A1 Treatment of sewage containing sulphuric acid_ |
| 11/06/1979 | US4173719 Apparatus for irradiating flowing materials |
| 11/06/1979 | US4173534 Sludge thickening apparatus and process |
| 11/06/1979 | US4173532 Containing starches and sugars; continuous circulation, hydrolysis, flocculation, clarification |
| 11/06/1979 | CA1065883A1 Process for recovering organotin halides |
| 11/06/1979 | CA1065792A1 Process for the preparation of hydrosoluble acrylic polymers by photopolymerization |
| 11/06/1979 | CA1065790A1 Electrocoagulation system for removing pollutants from wastewater |
| 11/06/1979 | CA1065789A1 Purification of industrial waste waters by flotation |
| 11/06/1979 | CA1065768A1 Method and apparatus for ultrasonically removing contaminants from water |
| 11/06/1979 | CA1065766A1 Method and device for collecting light-weight substances floating on a liquid surface |
| 11/06/1979 | CA1065763A1 Water filter device |
| 10/31/1979 | EP0005047A1 Water treatment system and control therefor |
| 10/31/1979 | EP0005011A1 A method of removing metallic impurities from sewage sludge |
| 10/31/1979 | EP0004986A1 Apparatus for adding dissolved chemicals to water, and its application |
| 10/30/1979 | US4172796 For home use |
| 10/30/1979 | US4172786 Ozonation of cooling tower waters |
| 10/30/1979 | US4172785 Process for the separation of Cu++ -ions from sewage, waste water and aqueous solutions |
| 10/30/1979 | US4172784 Process for the separation of cadmium (Cd++)-ions from sewage, waste water and aqueous solutions |
| 10/30/1979 | US4172780 Electrolytic cells |
| 10/30/1979 | US4172779 Electrodialysis using multi-stage electrodialytic cell |
| 10/30/1979 | US4172774 Membranes |
| 10/30/1979 | US4172773 Novel halogenation process and apparatus |
| 10/30/1979 | US4172767 Water purification system |
| 10/30/1979 | US4172766 Solar energy collectors and plants operated by them |
| 10/30/1979 | CA1065509A2 Twin belt ion exchange system |
| 10/30/1979 | CA1065508A1 Sewage treatment - flotation apparatus |
| 10/30/1979 | CA1065273A1 Removal of so2 from gases |
| 10/30/1979 | CA1065272A1 Treatment of dilute cyanide solutions |
| 10/30/1979 | CA1065231A1 Back filter automatic vehicle wash water reclaim system |
| 10/23/1979 | USRE30125 Liquid membrane process for the separation of aqueous mixtures |
| 10/23/1979 | US4172039 Oil absorbers and method of using them |
| 10/23/1979 | CA1065064A1 Apparatus for irradiating a flowable substance |
| 10/23/1979 | CA1064891A1 Process and apparatus for regenerating adsorbents and waste water treatment embodying the same |
| 10/18/1979 | WO1979000791A1 Method and apparatus for effecting subsurface,controlled,accelerated chemical reactions |
| 10/17/1979 | EP0004841A2 Integrated process for treating waste water from anodisation plants |
| 10/17/1979 | EP0004724A2 Coalescing method and apparatus and purified products obtained therewith |
| 10/16/1979 | US4171342 Recovery of calcium fluoride from phosphate operation waste water |
| 10/16/1979 | US4171265 Suppression of pollution in mineral fiber manufacture |
| 10/16/1979 | US4171256 Chlorine generation apparatus |
| 10/16/1979 | US4170797 Apparatus for treating waste matter |
| 10/16/1979 | CA1064630A1 Process and apparatus for treating drinking water |
| 10/16/1979 | CA1064473A1 Pre-dried pneumatic air in a polyelectrolyte conveying and mixing system |
| 10/16/1979 | CA1064406A1 Compact velocity gradient coalescer with lamellar separator |
| 10/16/1979 | CA1064392A1 Gas scrubbing apparatus |
| 10/16/1979 | CA1064363A1 Non-foaming dispersing composition |
| 10/09/1979 | US4170553 Process and apparatus for the controlled flocculating or precipitating of foreign substances from a liquid |
| 10/09/1979 | US4170552 Method for coalescing mercury particles |
| 10/09/1979 | US4170514 Apparatus for the desalination of sea water, with automatic regulation of the fresh and salt water levels |
| 10/09/1979 | US4170328 Desalination by the inverse function of the known (salting-out) effect within an improved centrifuge |
| 10/09/1979 | CA1064182A1 Composition and method for dispersing high molecular weight flocculant polymers in water |
| 10/09/1979 | CA1064171A1 Treatment of aqueous waste |
| 10/09/1979 | CA1064170A1 Apparatus for renovation of sanitary waters |
| 10/09/1979 | CA1064169A1 Process for purification of waste water |
| 10/09/1979 | CA1064051A1 Treatment of water vapor generated in concentrating an aqueous urea solution |
| 10/09/1979 | CA1064016A1 Serial eductors mixer for polymer dissolution |
| 10/09/1979 | CA1064006A1 Activated carbon and preparation thereof |
| 10/09/1979 | CA1063944A1 Process for the purification of industrial effluents |
| 10/03/1979 | EP0004278A2 Method for electrophoretically decomposing emulsions |
| 10/02/1979 | US4169880 Fulfuric acid, extraction with trialkyl phosphate and alkylamine |
| 10/02/1979 | US4169824 Red mud treatment |
| 10/02/1979 | US4169791 Apparatus and process for volume reduction of aqueous waste through solar evaporation |
| 10/02/1979 | US4169789 Process and apparatus for purifying sea water by reverse osmosis |
| 10/02/1979 | CA1063738A1 Water purifying device without movable mechanical part in contact with the liquid to be treated |