| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 12/23/1992 | CN1067227A Gas dissolving and releasing liquid treatment system |
| 12/23/1992 | CN1067188A Catalyst for treating waste water, process for producing it, and process for treating waste water with catalyst |
| 12/22/1992 | US5173470 Compositions and processes for removing, separating and concentrating desired ions from solutions using sulfur and aralkyl nitrogen containing ligands bonded to inorganic supports |
| 12/22/1992 | US5173275 Flowing through a column packed with particles of an ethylene /(meth)acrylic acid/(meth)acrylate/alkylpolyglycol(meth) acrylate polymer; sea water and industrial wastes |
| 12/22/1992 | US5173208 Flocculating agent of polyoxyethylene glycol, a carrier of a mixture of a glycol and glycerine and a suspension agent of a polymeric fatty acid ester and a dispersant |
| 12/22/1992 | US5173192 Method and apparatus for filtering water |
| 12/22/1992 | US5173190 Reconditioning and reuse of chilled water for poultry and food processing |
| 12/22/1992 | US5173184 Wastewater treatment apparatus |
| 12/22/1992 | US5173179 Removal of contaminants and recovery of metals from waste solutions |
| 12/22/1992 | US5173157 Method for processing residual fixing-baths |
| 12/22/1992 | US5173092 Treatment of polluted ground water by separation, air stripping |
| 12/22/1992 | US5172709 Apparatus and process for removing contaminants from soil |
| 12/22/1992 | CA1311717C Effluent treatment |
| 12/18/1992 | WO1992022201A1 Process for producing magnetically responsive polymer particles and application thereof |
| 12/18/1992 | CA2058745A1 Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
| 12/17/1992 | DE4119718A1 Portable sewage treatment assembly - has pre-flotation section and two=stage treatment section with aerobic and anaerobic biological actions |
| 12/17/1992 | DE4119486A1 Removing pollutants from gases, liq. or solids by chemisorption |
| 12/17/1992 | DE4119485A1 Removing pollutants from gases, liq. or solids by chemisorption |
| 12/17/1992 | DE4119144A1 Biological, chemical and physical processing of contaminated water - involves pre-treatment with oxidising agents including hydrogen peroxide and catalysts |
| 12/16/1992 | EP0518379A2 Process for the removal of organic and inorganic toxic products from gaseous liquid and/or solid materials |
| 12/16/1992 | EP0518336A1 Recovery of organic liquid spills |
| 12/16/1992 | EP0518119A1 Reduction of biological activity in water by feeding a solution of BrCl |
| 12/16/1992 | EP0518075A1 Process for reprocessing contaminated water containing hydrochloric acid |
| 12/16/1992 | EP0517716A1 Membrane separation process |
| 12/16/1992 | CN2124919U 多功能液体处理装置 Multifunctional liquid treatment apparatus |
| 12/16/1992 | CN2124910U Automatic drug mixer for treating industrial waste water |
| 12/16/1992 | CN2124909U Strong magnetic water device for water heater |
| 12/16/1992 | CN2124908U Magnetic device in liquid |
| 12/16/1992 | CN2124907U Multipurpose water treatment device with magnetic field |
| 12/16/1992 | CN2124906U Adsorption type oil and water separator |
| 12/16/1992 | CN2124905U Iron powder filting-ion exchanging oxygen removal device |
| 12/16/1992 | CN2124904U Water purifier |
| 12/16/1992 | CN2124654U Glass thermal insulation magnetic cup liner |
| 12/16/1992 | CN2124647U Multi-purpose strong field magnetic kettle |
| 12/16/1992 | CN2124631U Monomineral magnetic cup |
| 12/16/1992 | CN1067046A Process for extraction of dicarboxylic acid and its esters from waste liquid after production of hexandioic acid |
| 12/16/1992 | CN1067031A Prodncing method of purifying agent for waste water |
| 12/16/1992 | CN1067030A Magnetic inductor to revitalize water |
| 12/16/1992 | CN1067029A De-emulsifying and oil-removing process of emulsified oleaginous waste water |
| 12/15/1992 | US5171783 Emulsion copolymerization in presence of chain tranfer agent to prevent braching and crosslinking |
| 12/15/1992 | US5171781 Polymeric compositions |
| 12/15/1992 | US5171767 Utrafiltration process for the recovery of polymeric latices from whitewater |
| 12/15/1992 | US5171562 Highly porous, fast dissolving |
| 12/15/1992 | US5171454 Adding acrolein to control growth of Thiobacillus ferrooxidans |
| 12/15/1992 | US5171453 Water clarification/purification |
| 12/15/1992 | US5171452 Phosphoric acid wastewater treatment |
| 12/15/1992 | US5171451 Simultaneous use of water soluble polymers with ozone in cooling water systems |
| 12/15/1992 | US5171450 Monitoring and dosage control of tagged polymers in cooling water systems |
| 12/15/1992 | US5171443 Granular media regeneration apparatus |
| 12/15/1992 | US5171441 In a pressurized sealed vessel |
| 12/15/1992 | US5171434 Effluent recycling sanitation system |
| 12/15/1992 | US5171431 Electronic lime controller with controls responsive to flow rates and water hardness |
| 12/15/1992 | US5171429 Apparatus for discharging water with passage selection sensor |
| 12/15/1992 | US5171405 Reactor having a discontinuous conduit means between surfaces of a downwardly extending stationary spiral |
| 12/15/1992 | US5171350 Biocide |
| 12/15/1992 | US5171334 Diffused air stripping system |
| 12/15/1992 | US5171103 Arrangement for expelling highly volatile impurities from ground water |
| 12/15/1992 | CA2070854A1 Recovery of organic liquid spills |
| 12/15/1992 | CA1311572C Method of rapidly dissolving polymer gels in water |
| 12/15/1992 | CA1311571C Method and apparatus for rapidly dissolving polymers in water |
| 12/12/1992 | WO1992022504A1 Treatment of waste water |
| 12/12/1992 | CA2103247A1 Treatment of waste water |
| 12/11/1992 | CA2070957A1 Apparatus and method for removing contaminants from water |
| 12/10/1992 | WO1992021618A1 Process for removing silica from aqueous liquors |
| 12/10/1992 | WO1992021617A1 Compositions and methods employing a zirconium salt in wastewater treatment |
| 12/10/1992 | WO1992021616A1 Water disinfection system and method |
| 12/10/1992 | WO1992021615A1 A method and an apparatus for purification of water from light absorbing liquids |
| 12/10/1992 | WO1992021444A1 Batch process and apparatus |
| 12/10/1992 | WO1992021421A1 Treatment of emulsions |
| 12/10/1992 | DE4118751A1 New N-substd. 3,3-imino:di:propionic acid derivs. - useful as surfactants, esp. flotation aids, flocculating agents, corrosion inhibitors and foaming agents for aerated concrete |
| 12/10/1992 | DE4118626A1 Oxidn. of organic substances in waste water - by reaction with hydrogen peroxide in presence of insol. cupric cpd. and air |
| 12/10/1992 | CA2110261A1 Treatment of emulsions |
| 12/10/1992 | CA2110165A1 Process for removing silica from aqueous liquors |
| 12/09/1992 | EP0517102A1 Process and compositions for the disinfection of waters |
| 12/09/1992 | EP0517051A1 Process for the removal of disperse phases from wastewaters |
| 12/09/1992 | EP0516744A1 Method and apparatus for recirculation of liquids. |
| 12/09/1992 | EP0513186A4 Process for oxidation of materials in water at supercritical temperatures |
| 12/09/1992 | EP0238639B1 Method of treating fluids |
| 12/09/1992 | CN2124235U Multifunction water purifying device for town and country |
| 12/09/1992 | CN2124234U Fully sealed magnetic treatment device |
| 12/09/1992 | CN2124233U Water magnetizing device |
| 12/09/1992 | CN2124232U Water magnetizing device |
| 12/09/1992 | CN2124231U Water magnetizing utensil |
| 12/09/1992 | CN2124230U Portable magnetic therapeutic keep-fit device |
| 12/09/1992 | CN2124229U Feedwater magnetizing device for steam boiler |
| 12/09/1992 | CN2123964U Magnetic filtering vacuum flask cork |
| 12/09/1992 | CN2123962U Magnetic water vacuum flask |
| 12/09/1992 | CN2123960U Thermodynamic insulation magnetic device |
| 12/09/1992 | CN2123951U Electrothermal magnetic cup |
| 12/09/1992 | CN2123939U Three-dimensional strong magnetic field heat-insulation cup |
| 12/09/1992 | CN2123938U 磁水壶 Magnetic kettle |
| 12/09/1992 | CN1066833A Equipment for de-alkalization of industrial waste water by sulfur dioxide |
| 12/09/1992 | CN1066831A Multifunctional high efficient magnetizing device |
| 12/09/1992 | CN1019381B Process for flocculent deodorant |
| 12/08/1992 | US5169825 Introduing alkali metal ions capable of ion exchange into a silica-alumina composite oxide of specific composition; purification of aquariums |
| 12/08/1992 | US5169540 Treating an aqueous system to separate suspended material |
| 12/08/1992 | US5169539 Organofunctional silane paint coagulants and detackifiers |
| 12/08/1992 | US5169538 Removal of nobler metal ions than iron from process and waste waters |
| 12/08/1992 | US5169536 Detoxification agents for surfactant based biocides |
| 12/08/1992 | US5169534 Metal ion and organic contaminant disposal |