| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 06/01/1994 | EP0599711A1 Apparatus and process for the purification of a liquid effluent loaded with pollutants |
| 06/01/1994 | EP0599491A1 Process for recovering thiocyanate |
| 06/01/1994 | EP0599464A2 Conservation of orthophosphate waste |
| 06/01/1994 | EP0599324A1 Device for flocculation of solids from suspensions |
| 06/01/1994 | EP0599281A2 Process and apparatus for treating liquids by reverse osmosis |
| 06/01/1994 | EP0599182A1 Process for oxidation of ammonium ions and organic carbon in waste water |
| 06/01/1994 | EP0598896A1 Starch-iodine used as a preservative |
| 06/01/1994 | EP0570548A4 Molluscicidal water distribution system components |
| 06/01/1994 | EP0491821B1 Process for the production of fresh water using water containing impurities and installation for its implementation |
| 06/01/1994 | DE4318096A1 Water sterilising appts. - has divided housing at water drawing pint with UV lamps in the chambers where water follows serpentine path through the housing chambers |
| 06/01/1994 | DE4306426A1 Regeneration of resin in ion-exchange plant |
| 06/01/1994 | DE4240092A1 Dissolving and diluting polymeric flocculating agents - using closed circuit fed with the agent and with large vol. of water so that mix is pumped through and drawn off at suitable rate |
| 06/01/1994 | DE4240064A1 Waste water cleaning process and plant - by holding water in solid bed reactor with air flow, passing through adsorption tank, adding precipitant and sepg. pollutants by flotation and filtration |
| 06/01/1994 | DE4239951A1 Concentration of washing suds - uses heated tank contg. suds, creating fine air bubbles at base, extracting volatiles at top and concentrated suds at base |
| 06/01/1994 | CN2167087Y System for comprehensive utilization |
| 06/01/1994 | CN2167086Y Multi-function device for drinking water |
| 06/01/1994 | CN2166715Y Filtration cover and the cup with the cover |
| 06/01/1994 | CN2166670Y Travelling multi-purpose mineralization water-bottle with bands |
| 06/01/1994 | CN2166601Y Health-keeping apparatus with liquid magnetization |
| 06/01/1994 | CN1087389A Method for recovery of copper and derived polybasic aluminum chloride by treating acid copper chloride waste liquid |
| 06/01/1994 | CN1087323A Method and apparatus for purifying of milky oil sewage in ship cabin |
| 06/01/1994 | CN1087322A Method and apparatus for activating mineral water |
| 06/01/1994 | CN1024760C Distillation apparatus and method |
| 05/31/1994 | US5316983 Apparatus for analysis of particulate material, analytical method for same, apparatus for production of ultrapure water, apparatus for manufacturing of semiconductor, and apparatus for production of pure gas |
| 05/31/1994 | US5316748 Phosphoric acid manufacturing with converted waters |
| 05/31/1994 | US5316740 Electrolytic cell for generating sterilization solutions having increased ozone content |
| 05/31/1994 | US5316684 Process for reduction of hexavalent chromium |
| 05/31/1994 | US5316673 Spout assembly for self-service purified water dispenser |
| 05/31/1994 | US5316668 Wastewater treatment plant and apparatus |
| 05/31/1994 | US5316646 Controlling apparatus for continuous electrolytic ion water producing apparatus |
| 05/31/1994 | US5316637 Electrodeionization apparatus |
| 05/31/1994 | US5316626 Evaporation on mounds of capillary material |
| 05/31/1994 | US5316031 Valve with independent control of discharge through plurality of orifices |
| 05/31/1994 | CA1329958C Process for removing nitrogen compounds from raw water |
| 05/26/1994 | WO1994011315A1 Metal accumulation |
| 05/26/1994 | WO1994011314A1 Biological method for purifying waste water contaminated with organic carbon and nitrogen compounds |
| 05/26/1994 | WO1994011310A1 Process for the oxidation of materials in water at supercritical temperatures utilizing reaction rate enhancers |
| 05/26/1994 | WO1994011309A1 Method and appliance for removing at least one constituent from a solution |
| 05/26/1994 | WO1994011308A1 Method and device for purification of aqueous solutions by electroflotation |
| 05/26/1994 | WO1994011307A1 Ozone treatment of landfill waste-water |
| 05/26/1994 | WO1994011306A1 Method of avoiding calcareous deposits on heated, water-cooled tools, cooler for the implementation of the method and use of said cooler |
| 05/26/1994 | WO1994011305A1 Separation of nucleic acid fragments |
| 05/26/1994 | WO1994011091A1 Catalytic process |
| 05/26/1994 | WO1994010836A1 Control of undesirable organisms |
| 05/26/1994 | WO1994004225A3 Method for the detoxification of mustard gas, sulfur-containing quaternary ammonium ionene polymers and their use as microbicides |
| 05/26/1994 | DE4338569A1 Sepn of esp organic matter from liq - by adsorption preceded by membrane sepn |
| 05/26/1994 | DE4328569A1 Neutralisation of toxic materials - including using a number of chambers and peripheral systems for electro catalytic processing and recovery of material |
| 05/26/1994 | DE4239636A1 Solar energy operated desalination plant - has air flow passing through evaporation chamber to condenser where water vapour is separated into cool air and drinking water |
| 05/26/1994 | DE4239554A1 Removal of phosphorous cpds. from water - by addn. of alkaline alkali metal-aluminate lyes precipitating transition metal-aluminium complexes under alkaline conditions |
| 05/26/1994 | DE4238719A1 Paint and print shop waste water processing |
| 05/26/1994 | CA2148080A1 Process for the oxidation of materials in water at supercritical temperatures utilizing reaction rate enhancers |
| 05/26/1994 | CA2109879A1 Oxidation of ammonium ions and organic carbon in wastewaters |
| 05/25/1994 | EP0598652A1 Improved apparatus for the production of warm or cold sterile water from city water |
| 05/25/1994 | EP0598124A1 System for supplying pure water and cleaning method therefor |
| 05/25/1994 | EP0597950A1 Dewatering of aqueous suspensions |
| 05/25/1994 | EP0597928A1 Method of processing untreated drinking water contaminated with organic substances |
| 05/25/1994 | CN2166124Y Electromagnetic magnetizing device |
| 05/25/1994 | CN2166123Y Magnetic energy-saving health device for kettle |
| 05/25/1994 | CN2166122Y Magnetic antiscaling device |
| 05/25/1994 | CN2166121Y Magnetic device for water |
| 05/25/1994 | CN2166120Y High frequency electric field type treating device for water |
| 05/25/1994 | CN2166119Y Integral full-automatic water softening device |
| 05/25/1994 | CN2166118Y Gas-filled water treating device with exhaust purification |
| 05/25/1994 | CN2165914Y Integral fast-acting water purifier |
| 05/25/1994 | CN2165762Y Magnetic health cork of vacuum bottle |
| 05/25/1994 | CN2165756Y Magnetic water-boiling kettle |
| 05/25/1994 | CN2165754Y Health cup |
| 05/25/1994 | CN2165727Y Magnetic core of cup |
| 05/25/1994 | CN2165633Y Magnetizing device for beverage |
| 05/25/1994 | CN1087152A Apparatus for removing of objects seperated by grate from large amount of water |
| 05/25/1994 | CN1087065A Wave powered desalination apparatus |
| 05/25/1994 | CN1086975A "Taiyangshen" mineral water |
| 05/25/1994 | CN1024651C Method for treating industrial waste water by powdered coal ash sorption |
| 05/24/1994 | US5314629 Method and system for treating drinking water |
| 05/24/1994 | US5314628 De-chlorinated water supply methods |
| 05/24/1994 | US5314627 Papermaking |
| 05/24/1994 | US5314623 Method for treating fluids |
| 05/24/1994 | US5314589 Pool filtration |
| 05/24/1994 | US5314586 Purifying and energy-saving water fountain capable of supplying icy, warm and hot distilled water |
| 05/24/1994 | US5314076 Installation for the mixing of two fluid phases by mechanical stirring, notably for the treatment of water by transfer of oxidizing gas, and use of such an installation |
| 05/24/1994 | CA2109784A1 Process and apparatus for removing solutes from solutions |
| 05/24/1994 | CA2103495A1 Apparatus for purifying a liquid effluent containing pollutants and process for purifying said effluent |
| 05/21/1994 | CA2077697A1 Long service life water treatment system |
| 05/19/1994 | DE4238289A1 Pretreatment of waste water from gas scrubbing - by acid gas stripping, wet oxidn. and ammonia stripping |
| 05/18/1994 | EP0597612A1 Output control method and apparatus |
| 05/18/1994 | EP0597594A2 Purifying and energy-saving water fountain capable of supplying icy, warm and hot distilled water |
| 05/18/1994 | EP0597460A1 Method of processing organic quaternary ammonium hydroxide-containing waste liquid |
| 05/18/1994 | EP0597290A2 Process and device for purification of waste water |
| 05/18/1994 | EP0597062A1 Device for removing undesirable substances from a fluid |
| 05/18/1994 | EP0585350A4 Divalent silver alkaline bactericide compositions |
| 05/18/1994 | EP0555210A4 Microbiocidal combinations of materials and their use |
| 05/18/1994 | EP0506740B1 Treatment of domestic and industrial waste waters |
| 05/18/1994 | CN2165129Y Vertical aeration water filtering apparatus |
| 05/18/1994 | CN2165128Y Three-dimensional cross, alternating electromagnetic field magnetizing apparatus |
| 05/18/1994 | CN1086795A Technology for recovering hexavalence Cr by sedimentation-ion exchange |
| 05/18/1994 | CN1086794A Water supply new technology and apparatus with three treatments and sterilization functions |
| 05/18/1994 | CN1024529C Polymeric basic aluminium silicate sulphate |
| 05/17/1994 | US5312552 Method and apparatus for removing BTX-type gases from a liquid |
| 05/17/1994 | US5312551 Treatment of septic tanks and mud dehydration |
| 05/17/1994 | US5312547 Medical drug formulation and reverse osmosis purification device |