Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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07/15/1980 | CA1081446A1 Encapsulation of nuclear wastes |
07/09/1980 | EP0013217A1 Flocculation method for water purification |
07/09/1980 | EP0013215A1 Electrolysis device |
07/09/1980 | EP0013211A1 Method of treating alkaline solutions containing radioactive iodine during the reprocessing of nuclear fuels |
07/09/1980 | EP0013050A2 Process for the removal of volatile ionisable components from aqueous streams |
07/08/1980 | US4211664 Mixing adsorbent and magnetic particles in a crosslinkable polymer |
07/08/1980 | US4211659 Device for collecting materials as for example oil floating on a water surface |
07/08/1980 | US4211652 Water reclamation process |
07/08/1980 | US4211651 Water reclamation process |
07/08/1980 | US4211650 Water reclamation process |
07/08/1980 | US4211646 Waste water process |
07/08/1980 | US4211645 Foam flotation activated sludge process |
07/08/1980 | US4211613 Geothermal mineral extraction system |
07/08/1980 | US4211609 Apparatus for desalinating water |
07/08/1980 | US4211368 Device for aerating and chemically activating shower water |
07/08/1980 | CA1081378A1 Continuous fermentation process and apparatus |
07/08/1980 | CA1081376A1 Ozone disinfection in waste water treatment with recycling of ozonation off gas |
07/08/1980 | CA1081255A1 Stable substituted acrylamides or methacrylamides |
07/01/1980 | US4210680 Apparatus and a process for treating waste |
07/01/1980 | US4210624 Universal chlorinator module |
07/01/1980 | US4210535 Magnetic treatment devices for water pipelines |
07/01/1980 | US4210532 Water conditioner rotary valve structure |
07/01/1980 | US4210531 Process for dewatering mineral concentrates |
07/01/1980 | US4210530 Treatment of metal plating wastes with an unexpanded vermiculite cation exchange column |
07/01/1980 | US4210494 Sparging to entrain moisture to point of saturation |
07/01/1980 | US4210121 Solar energy collection |
07/01/1980 | CA1080863A1 Process for treating waste water |
07/01/1980 | CA1080664A1 Apparatus for producing high-purity water |
07/01/1980 | CA1080663A1 Waste water process |
06/26/1980 | WO1980001294A1 Removing oil |
06/26/1980 | WO1980001293A1 Removing and collecting oil |
06/25/1980 | EP0012618A2 Electrolysis cell |
06/25/1980 | EP0012256A1 Multi-stage flash evaporator |
06/25/1980 | EP0012221A1 Mercury contamination indicator and its use as an indicator and as a decontaminator |
06/25/1980 | EP0012199A1 Attachment for fluid pipe lines for controllably dissolving solid material into the fluid stream |
06/25/1980 | EP0012162A1 A method for the treatment of reducible hydrocarbon-containing aqueous streams |
06/25/1980 | EP0012151A1 Process and device for the removal of slag resulting from coal gasification |
06/24/1980 | US4209399 Process for the working up and regeneration of wash waters containing ammonium |
06/24/1980 | US4209397 Flocculants for aqueous systems |
06/24/1980 | US4209395 Calcium carbonate seeding |
06/24/1980 | US4209393 Sewage sludge additive |
06/24/1980 | US4209389 Sewage treatment with kefir milk acid bacteria |
06/24/1980 | US4209382 Oil adsorbent and process for preparation thereof |
06/24/1980 | US4209364 Process of water recovery and removal |
06/24/1980 | US4209363 Solar still apparatus |
06/24/1980 | CA1080376A1 Process for regeneration of mixed anion and cation exchanged resins |
06/24/1980 | CA1079904A1 Method for clarifying water layers formed in asphaltic sand treatment |
06/23/1980 | EP0018366A4 Method and apparatus for effecting subsurface, controlled, accelerated chemical reactions. |
06/17/1980 | US4208491 Graft curing of elastomers with adsorbed monomers |
06/17/1980 | US4208376 Water treatment chemical dispenser with control tube |
06/17/1980 | US4208283 Treatment with lime, chlorination |
06/17/1980 | US4208282 Process for the purification of sewage while recapturing the fatty and albuminous matter in reusable form |
06/17/1980 | US4208281 Method of producing active filters more particularly for the treatment of water and waste water |
06/17/1980 | US4208280 Extraction method |
06/17/1980 | US4208258 Method for the recovery of mercury and other heavy metal ions from a liquid stream |
06/17/1980 | US4208245 Pretreating black liquor with sodium bisulfite produced by combusting by-product noncondensibles and treating with sodium carbonate |
06/17/1980 | CA1079887A1 Flocculant poly (vinyl imidazolinium) bisulfate in inert oil |
06/17/1980 | CA1079876A2 Coal-base landfill leachate treatment |
06/17/1980 | CA1079747A1 Basic detergent for liquid lyes |
06/17/1980 | CA1079681A1 Electrolytically oxidizing organic materials and trivalent chromium in chromic acid solution |
06/17/1980 | CA1079650A2 Coal-base landfill, leachate treatment |
06/12/1980 | WO1980001161A1 Process for desalination of sea water |
06/11/1980 | EP0012067A1 Cleaning device for liquid surfaces |
06/11/1980 | EP0012006A2 Heat cycle system and method for producing fresh water from brine |
06/11/1980 | EP0012000A1 Prevention of deposits on metal surfaces |
06/11/1980 | EP0011798A1 Apparatus for producing a potable liquid from sea-water, polluted water and the like by osmosis |
06/11/1980 | EP0011776A1 Apparatus for sterilising fluids |
06/10/1980 | US4207378 Expanded styrene-polymers and polyolefin micro-bits and their preparation |
06/10/1980 | US4207256 Treatment of water vapor generated in concentrating an aqueous urea solution |
06/10/1980 | US4207201 Process for the manufacture of an aqueous iron (III)-chloride-sulfate solution |
06/10/1980 | US4207184 Decoloring by absorption with solvated polymer gel |
06/10/1980 | US4207183 Prevention of solute deposition fouling in membrane processes |
06/10/1980 | US4207179 Biotreatment using carbon treated recycle and/or clarifier effluent backwash |
06/10/1980 | CA1079424A1 Process for treating nitric effluents |
06/10/1980 | CA1079423A1 Process for treatment waste waters |
06/03/1980 | US4206233 Microbiocidal quaternaries of halogen derivatives of alkynoxymethyl amines |
06/03/1980 | US4206229 Preservation of aqueous systems with α-bromo-β-aminocrotononitrile |
06/03/1980 | US4206080 Method of producing of treating material for oil-containing waste water |
06/03/1980 | US4206052 Multi stage flocculation treatment system |
06/03/1980 | US4206051 Process for demineralizing saline solutions |
06/03/1980 | US4206049 Recovery of uranium by a reverse osmosis process |
06/03/1980 | US4206048 Process for purification of contaminated water |
06/03/1980 | US4206031 Foam generating method and apparatus |
06/03/1980 | US4206030 Electrode assembly |
06/03/1980 | US4205963 Process for gas cleaning with reclaimed water and apparatus for water reclamation |
06/03/1980 | US4205962 Process for gas cleaning with reclaimed water |
06/03/1980 | CA1078747A1 Treatment of textile desizing effluent |
05/29/1980 | WO1980001108A1 In-line distillation system |
05/29/1980 | WO1980001067A1 Method for sewage treatment with bacteria |
05/28/1980 | EP0011484A1 Removal of metals from solution |
05/28/1980 | EP0011423A2 Stack pack electrolytic cell |
05/28/1980 | EP0011327A1 Method of reducing aerosolization of wastewater |
05/28/1980 | EP0011319A1 Filter plant |
05/27/1980 | US4205147 Acidification and heat to dissolve copolymer containing carboxylic or sulfonic acid moieties |
05/27/1980 | US4204973 Barium chromate |
05/27/1980 | US4204956 Water purification system |
05/27/1980 | US4204955 System for pollution suppression |
05/27/1980 | US4204954 Detoxification of residual quaternaries |
05/27/1980 | US4204953 Process for alkaline scaling |
05/27/1980 | US4204940 Apparatus for producing foam |