Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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08/10/1988 | CN87215842U Health-giving magnetized-water glass with a sucking conduit |
08/10/1988 | CN87100511A Resin and its making method for treatment waste water containing mercury |
08/10/1988 | CN87100497A Source of ferrous iron ions used for eliminating hydrogen sulfide in marine breeding of aquatics |
08/09/1988 | US4762931 Distillation, extraction |
08/09/1988 | US4762796 pH control of a process stream |
08/09/1988 | US4762690 Crandallites |
08/09/1988 | US4762613 Water purifiers |
08/09/1988 | US4762592 Orbital drive evaporator |
08/09/1988 | US4762556 Absorption on diallylamine homo or copolymer |
08/09/1988 | US4762537 Adsorbent for HCl comprising alumina and acid-treated Y zeolite |
08/09/1988 | US4762535 Ammonia separation using semipermeable membranes |
08/09/1988 | CA1240419A1 Process and device for treating liquids with cation exchangers and anion exchangers |
08/04/1988 | DE3702107A1 Utilisation of waste water downstream of simultaneous SO2 and NOx scrubbers |
08/04/1988 | DE3701719A1 Corrosion protection agent, containing mixtures with amido acids |
08/03/1988 | EP0277112A2 Magnetic treatment device for liquids, especially for water |
08/03/1988 | EP0276789A2 Electrochemical deoxygenation process for corrosion control in deionized waters |
08/03/1988 | CN87205547U Defluorine device for edible water |
08/03/1988 | CN87205507U Purification and mineralization installation of water for daily use |
08/03/1988 | CN87107681A Magnetization treater for fluid |
08/02/1988 | US4761239 Reducing oxygen demand |
08/02/1988 | US4761238 Removal of dissolved and colloidal material |
08/02/1988 | US4761228 Magnetic fluid conditioner |
08/02/1988 | US4761215 Device for silverizing water |
08/02/1988 | US4761208 Electrolytic method and cell for sterilizing water |
08/02/1988 | CA1239879A1 Continuous sorption process |
07/28/1988 | WO1988005424A1 Extracts of thermal waters and their applications |
07/28/1988 | DE3800873A1 Method for binding pollutants and absorbent for pollutants |
07/28/1988 | DE3740211A1 Method for reprocessing contaminated alkaline barrel-finishing waters of barrel-finishing plants |
07/28/1988 | DE3700826A1 Anode material for operating an electroflotation cell for the purification of waste waters heavily contaminated with corrosion inhibitors and of alkaline cleaning solutions |
07/27/1988 | EP0276189A1 Regeneration of thermal water |
07/27/1988 | EP0276044A2 Effluent treatment |
07/27/1988 | EP0275763A1 Process for the extraction of cations and its use in treating aqueous waste solutions |
07/26/1988 | US4760014 Coagulating and precipitating photopolymer resin, and separating from aqueous phase to produce sludge |
07/26/1988 | US4759907 Feeder device and method for adding solid material to a liquid of variable flow rate |
07/26/1988 | US4759856 Flocculation processes |
07/26/1988 | US4759852 Sulfamic acid is used as antiscaling and anticorrosion agent |
07/26/1988 | US4759849 Process and a device for the treatment, by means of ozone, of feed water for reverse osmosis |
07/26/1988 | US4759844 Miniature, adapted to operate under conventional water main pressure on a countertop for dispensing pure water |
07/26/1988 | CA1239710A1 Portable ozonator |
07/26/1988 | CA1239565A1 Waste water treating agent and method for producing the same |
07/26/1988 | CA1239528A1 Method and apparatus involving supercritical fluid extraction |
07/25/1988 | EP0277179A4 Automatically adjustable weir and environmentally protected sensor. |
07/21/1988 | DE3700725A1 Process and plant for purifying untreated waste water bearing fine sludge |
07/21/1988 | DE3700370A1 Processing method for mass transfer and material treatment, e.g. drying |
07/21/1988 | DE3348006C2 Process for recovering heat from sewage (waste water) |
07/20/1988 | EP0275207A2 Pharmaceutical and veterinary compositions |
07/20/1988 | EP0274539A1 Method of treating water by making use of proton releasing material and/or magnetic field and apparatus for use in said method |
07/20/1988 | CN87214874U Water-magnetizing unit for internal combustion engine |
07/20/1988 | CN87213778U Separation unit for wastewater containing oil |
07/20/1988 | CN87100164A 液体离子筛 Liquid ion sieve |
07/20/1988 | CN87100053A Simple type domestic quarry water preparation appliance |
07/20/1988 | CN86108921A Compounded inorganic adsorbent and its preparation method |
07/20/1988 | CN86107806A Method of printing and dyeing waste water processing |
07/19/1988 | US4758354 Separation process |
07/19/1988 | US4758353 Removal of heavy metals from waste streams |
07/19/1988 | US4758347 Adjustment of ph; pressurized membrane separation |
07/19/1988 | US4758346 Process for the removal of hydrocarbonaceous compounds from an aqueous stream and hydrogenating these compounds |
07/19/1988 | US4758343 Interfacially synthesized reverse osmosis membrane |
07/19/1988 | US4758339 Fermentation section, settler, gas discharging means |
07/19/1988 | US4758335 Contaminated water disposal system |
07/19/1988 | US4757921 Water dispensers and methods |
07/19/1988 | CA1239341A1 Compound and process for denaturing high-solids paints |
07/14/1988 | DE3644665A1 Process for separating mixtures of oil and water |
07/13/1988 | EP0274083A1 Reactor for flotation or treatment with gases |
07/13/1988 | EP0274069A2 Process and agent for waste water purification |
07/13/1988 | CN87208804U Water pruifier with absorbent made of active grained white earth |
07/13/1988 | CN87204818U Magnatised water tap |
07/13/1988 | CN87105119A Extracting method of magnesium-type of adsorbents |
07/13/1988 | CN86108929A Process for treating waste cuprous chloride solution |
07/12/1988 | US4757205 Ultraviolet water treatment apparatus |
07/12/1988 | US4756833 Metal-containing waste water treatment and metal recovery process |
07/12/1988 | US4756831 Reducing nitrate to gaseous nitrogen by contacting water with biocatalyst containing core of immobilized denitrifying organism cells trapped in ionosphere gel, and surrounded by gel or polymer protective layer |
07/12/1988 | US4756802 Plurality of containers for liquid, plurality of opaque heat troughs, focus means for focussing solar rays, forming heat to evaporate liquid |
07/12/1988 | US4756724 Closed tank with heating means for heating water to release gases |
07/12/1988 | CA1239070A1 Agents for defoaming and deaerating aqueous systems and the use thereof |
07/12/1988 | CA1239068A1 Stability oxygen scavenger compositions and methods of use thereof |
07/07/1988 | DE3707355C1 Process for treating scrubbing solutions used in the separation of SO2 and NOx from exhaust gases |
07/07/1988 | DE3644080A1 Use of an oxidising agent for detoxifying industrial waste waters |
07/06/1988 | EP0273450A2 Solubilizer for water-insoluble alginates in dental impression materials |
07/06/1988 | EP0273339A2 Method of separating and transferring ion-exchange resin |
07/06/1988 | EP0273335A2 Flocculants and filter aids and their use |
07/06/1988 | EP0273174A1 Process and apparatus for the removal of ammonia from waste water, surface waters or ground water |
07/06/1988 | EP0273111A2 Process and installation for the purification of waste containing phosphates, and for the biological elimination of phosphorus |
07/06/1988 | EP0273045A1 Novel compositions and method for control and clean-up of hazardous acidic spills |
07/05/1988 | US4755322 Method of obtaining composite ion exchangers |
07/05/1988 | US4755305 Continuous dewatering method |
07/05/1988 | US4755304 Injecting water containing oxygen into recharge means, simultaneously withdrawing water from second adjacent recharge means to create purification zone, withdrawing purified water from supply means |
07/05/1988 | US4755303 Method of converting brines to useful products |
07/05/1988 | US4755298 Process for removing boron ions from aqueous solutions |
07/05/1988 | US4755296 Integrated biological-adsorption process for treating waste water |
07/05/1988 | US4755292 Portable ultraviolet water sterilizer |
07/05/1988 | US4755288 Apparatus and system for magnetically treating fluids |
07/05/1988 | US4755270 Method of processing solutions |
07/05/1988 | US4755268 Process and apparatus for producing silver-ionic water |
07/05/1988 | US4755195 Method of continuously degassifying water |
07/05/1988 | CA1238995A1 Process for waste treatment |
07/05/1988 | CA1238792A1 Process for dumping of particulate solid or pumpable solid and liquid waste materials in underground salt enclosed cavities, in particular salt caverns |
06/30/1988 | WO1988004572A1 Fluid treatment process |
06/30/1988 | WO1988004568A1 Water treatment apparatus and method |
06/29/1988 | EP0272887A2 Removal of oxygen from liquids |