| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 02/06/1980 | EP0007713A1 Method of synthesising imogolite and product of the method |
| 02/06/1980 | EP0007366A1 A method and an agent for chemical purification of water by means of chemical precipitation and magnetic sludge separation. |
| 02/06/1980 | EP0007355A1 Process for disinfecting liquids and device for applying said process. |
| 02/06/1980 | EP0007340A1 Heat exchanger especially for cooling water at fresh water recovery by distillation of sea water |
| 02/06/1980 | EP0007329A1 Low temperature synthesis of vitreous bodies and their intermediates |
| 02/06/1980 | EP0007325A1 Process and assembly for removing a dissolved or suspended contaminant from a polar liquid as a solid substance |
| 02/05/1980 | US4187187 Method and apparatus for pollutant spill control |
| 02/05/1980 | US4187183 Mixed-form polyhalide resins for disinfecting water |
| 02/05/1980 | US4187176 Heavy metal separation from wastes employing irradiation |
| 02/05/1980 | US4187151 Apparatus for producing sweet water |
| 02/05/1980 | US4187042 Advance mechanism for a mine roof support unit |
| 02/05/1980 | CA1071339A1 Solid disposable waste from mineral tailings |
| 02/05/1980 | CA1071141A1 Device for regulating drinking water |
| 02/05/1980 | CA1071113A1 Using selected coals to remove pollutants from surface waters and sediments settled therefrom |
| 02/05/1980 | CA1070930A1 Pollution control process for fertilizer plant |
| 01/29/1980 | US4186311 Heat pump method of concentrating fluids |
| 01/29/1980 | US4186167 Cationic polyvinylimidazoline |
| 01/29/1980 | US4186095 Pollution control, removal of oil spills from liquid surfaces |
| 01/29/1980 | US4186088 Aqueous ferrous waste conversion process |
| 01/29/1980 | US4186087 Method and apparatus for separating substances from liquids by flotation using bubbles |
| 01/29/1980 | US4186085 Branched-chain hydrocarbon solvent, sulfur-containing adsorbent |
| 01/29/1980 | US4186060 Method and apparatus for high volume distillation of liquids |
| 01/29/1980 | US4186058 Method and apparatus for high volume distillation of liquids |
| 01/29/1980 | US4185969 Process and plant for recovering water from moist gas |
| 01/29/1980 | US4185680 Process for producing useful concentrated slurries from waste material |
| 01/29/1980 | CA1070895A1 Autoxidisable composition and process |
| 01/29/1980 | CA1070865A1 Removal of antimony from industrial streams |
| 01/29/1980 | CA1070605A1 Method and apparatus to facilitate burning of a layer of oil particularly oil spills |
| 01/24/1980 | WO1980000077A1 Solar distillation apparatus |
| 01/23/1980 | EP0007259A1 Method of resolving oil-in-water emulsions |
| 01/23/1980 | EP0007109A1 Apparatus for metering a solution of chemicals to a stream of liquid |
| 01/22/1980 | US4184967 Apparatus for clarifying waste water |
| 01/22/1980 | US4184956 Apparatus for treating waste-waters and sludges, comprising an irradiation system using accelerated charged particles |
| 01/22/1980 | US4184949 Process for separating hydrocarbon pollution from a hydroorganic medium |
| 01/22/1980 | US4184948 Countercurrent flow, multizonal |
| 01/22/1980 | US4184947 Treatment of sewage effluent |
| 01/22/1980 | US4184527 Device for collecting oil floating on the surface of water |
| 01/22/1980 | US4184338 Heat energized vapor adsorbent pump |
| 01/15/1980 | US4184076 Ultraviolet water purifier |
| 01/15/1980 | US4183984 Oil sorbent material made by opening cells of a closed cell foam |
| 01/15/1980 | US4183378 Light weight vacuum maintained structures |
| 01/15/1980 | CA1069935A1 Dichlorobutene/dimethylamine polymer |
| 01/15/1980 | CA1069872A1 Materials for the separation of organic substances from solution |
| 01/15/1980 | CA1069856A1 Waste water treatment using microbubbles |
| 01/15/1980 | CA1069832A1 Concentrators for recovering liquid pollutant floating on the surface of a sheet of water |
| 01/09/1980 | EP0006776A1 Process for the treatment of polluting material formed of oil slicks, sludge residues or waste waters |
| 01/09/1980 | EP0006409A1 Device for controlling the filling and emptying of a column, column and demineralisation unit equipped with such a device |
| 01/09/1980 | EP0006101A1 Process for chrome recovery from industrial waste and the like |
| 01/08/1980 | US4182690 Emulsion breaking material |
| 01/08/1980 | US4182677 Modified rubber, its use as hydrocarbon absorber |
| 01/08/1980 | US4182267 Apparatus for keeping aquatic animals alive over long period of time |
| 01/08/1980 | US4182132 Apparatus for the cooling and dehumidification of ambient air in regions having a hot and humid climate |
| 01/08/1980 | CA1069626A1 Colloid-free precipitation of heavy metal sulfides |
| 01/08/1980 | CA1069625A1 Method of filtering liquids containing dissolved carbon dioxide |
| 01/08/1980 | CA1069522A1 Polymeric quaternary ammonium salts, process for their manufacture and their use |
| 01/01/1980 | US4181702 Apparatus for controlled chlorination of water with an alkali metal dichloroisocyanurate |
| 01/01/1980 | US4181607 Removal of asbestos fibers from water |
| 01/01/1980 | US4181591 For removing suspended solids from air or water |
| 01/01/1980 | US4181577 Refrigeration type water desalinisation units |
| 01/01/1980 | US4181243 Device for filtering beverages |
| 01/01/1980 | CA1069245A Oxazoline and/or oxazine-modified polymers |
| 01/01/1980 | CA1069228A Spray head |
| 01/01/1980 | CA1069015A Enzymatic dispersion of biological slimes |
| 12/27/1979 | WO1979001135A1 Liquid skimming apparatus and method |
| 12/25/1979 | USRE30179 Common ion effect to assist LM separation |
| 12/25/1979 | US4180547 Process for recovery of chemicals from saline water |
| 12/25/1979 | US4180459 Fertilizers, mulch/; |
| 12/25/1979 | CA1068833A Vortex coagulation means and method for wastewater clarification |
| 12/18/1979 | US4179616 Apparatus for sanitizing liquids with ultra-violet radiation and ozone |
| 12/18/1979 | US4179549 Quaternary ammonium adducts of polymerizable tertiary ammonium salts and acrylamide |
| 12/18/1979 | US4179522 Certain complex salts of mono carboxylic acids used as preservatives |
| 12/18/1979 | US4179376 Device for purification of liquids |
| 12/18/1979 | US4179370 Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals |
| 12/18/1979 | US4179367 Thickening urinary and intestinal tract excrement |
| 12/18/1979 | US4179348 Removal of cyanide from waste water |
| 12/18/1979 | US4179347 System for electrocatalytic treatment of waste water streams |
| 12/18/1979 | US4179329 Removal of color from paper mill waste waters |
| 12/18/1979 | US4179047 Chemical metering apparatus |
| 12/13/1979 | WO1979001083A1 Device for high efficiency continuous countercurrent extraction using a rotating helical tube |
| 12/13/1979 | WO1979001052A1 Prevention of solute deposition fouling in membrane processes |
| 12/12/1979 | EP0005827A1 Method of removing contaminants from water |
| 12/12/1979 | EP0005825A1 Energy conversion method and system |
| 12/12/1979 | EP0005703A1 Process for the preparation of fuel and nutritive substances from wastes |
| 12/11/1979 | US4178438 Purification of industrial wastes |
| 12/11/1979 | US4178270 Method for supporting hydrous metal oxide on carrier |
| 12/11/1979 | US4178265 Oil coagulant and process for preparation thereof |
| 12/11/1979 | US4178250 Filter-purifier cartridge having manually separable elements |
| 12/11/1979 | US4178244 Process for removal of hardening and galvanizing waste water |
| 12/11/1979 | US4178242 Method for the purification of sewage waters which contain organic compounds of an anionic character |
| 12/11/1979 | US4178239 Biological intermediate sewage treatment with ozone pretreatment |
| 12/11/1979 | US4178221 Process for the preparation of water-soluble acrylic polymers by photopolymerization |
| 12/11/1979 | CA1068020A1 Method and apparatus for treating pool water |
| 12/11/1979 | CA1068019A1 Process for cleaning of a dispersion or dispersed particles |
| 12/11/1979 | CA1067883A1 Ozonization catalyst and process |
| 12/04/1979 | US4177144 Excess-growth control system for fluidized-bed reactor |
| 12/04/1979 | US4177140 Cationic polymer ion exchanger |
| 12/04/1979 | US4177139 Sizing, regeneration |
| 12/04/1979 | US4177116 Electrolytic cell with membrane and method of operation |
| 12/04/1979 | US4176779 Hydraulic inertia centrifugal catalytic desalination device |
| 12/04/1979 | CA1067627A1 Removal of arsenic from water |