Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
08/2004
08/05/2004WO2004065534A2 Raw liquid cleaning device and method
08/05/2004WO2004065527A2 Methods for the removal of organic nitrogen, organic and inorganic contaminants from an aqueous liquid
08/05/2004WO2004065459A1 Modified lipophilic polymers for the purification of water
08/05/2004WO2004065310A1 Electrolysis sewage disposal equipment
08/05/2004WO2004065309A1 Electrolytic cell
08/05/2004WO2004065308A1 Water desalination installation
08/05/2004WO2004065293A2 Ozonating system and method of using the same
08/05/2004WO2004065229A2 Portable drinking device
08/05/2004WO2004065028A1 The extraction and treatment of heavy metals
08/05/2004WO2004064997A1 New microcapsules useful as extraction means in particular for extracting water or soil contaminants
08/05/2004WO2004064985A1 Membrane system and method for permeate side cleaning of said system
08/05/2004WO2004064978A1 A filter system
08/05/2004WO2004064975A1 Soil desalinator
08/05/2004WO2004052790A3 Apparatus for treatment of wastewater employing membrane bioreactors
08/05/2004WO2004050558A3 Rare earth compositions and structures for removing phosphates from water
08/05/2004WO2004033069A3 Improved filtering medium and use of the said filtering medium for pollution removal from lagoons
08/05/2004WO2004031077A3 Electrochemical treatment of an aqueous salt solution
08/05/2004WO2004026767A3 Desalinization still
08/05/2004WO2004018118A3 Methods and associated devices for removing incrustations and biofilms in fluid systems
08/05/2004WO2003067020A3 Flowline jumper for subsea well
08/05/2004WO2003062495A3 Method and apparatus for mediated electrochemical redox reaction
08/05/2004WO2001091878A8 Inorganic electrolytic coagulant and method for modifying mud using said inorganic electrolytic coagulant
08/05/2004US20040149666 Filtering system for a pool or spa
08/05/2004US20040149665 Method for treating an effluent, especially a radioactive effluent, containing organic matter
08/05/2004US20040149664 Producing reusable water, minerals and other raw materials in industrial waste; lower pressure and temperature liquid phase operation; reduced corrosion, lower energy cost
08/05/2004US20040149663 Water treating device
08/05/2004US20040149662 Adjusting to alkaline pH and warm temperature then adding highly cationic, high moleculare weight flocculant; simple, low cost; decreasing contaminated sludge production
08/05/2004US20040149661 Promoting coagulation of biocolloidal material by introducing trivalent salt flocculant upstream of secondary treatment stage
08/05/2004US20040149658 Method for the removal of heavy metals from aqueous solution by means of silica as an adsorbent in counter-flow selective dialysis
08/05/2004US20040149650 Adding surfactant and/or flocculating agent then settling in clarifier; transfering concentrate to long hydraulic retention time digester; treating with activated sludge and degrading; lower cost
08/05/2004US20040149643 Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants
08/05/2004US20040149642 Filter cartridge for a standlone point of use water purification device
08/05/2004US20040149637 Water purification device
08/05/2004US20040149634 Composite materials for fluid treatment
08/05/2004US20040149630 Treatment of suspensions
08/05/2004US20040149571 Electrolysis cell for generating halogen (and particularly chlorine) dioxide in an appliance
08/05/2004US20040149233 Aquaculture system
08/05/2004US20040148690 Toliet system
08/05/2004DE19753505B4 UV-Modul, beidseitig mit je einer Verschlußbaugruppe ausgerüstet, zum Einsatz in ein Gehäuse oder einen Reaktor UV module, equipped on both sides with a closure assembly, for use in a housing or a reactor
08/05/2004DE19745984B4 Verfahren und Vorrichtung zur Reinigung von Regenwasser Method and device for purifying rain water
08/05/2004DE10304009A1 Process to reduce the acidity of water quality in a lagoon following completion of open cast mining operations by injected admixture of granular agent
08/05/2004DE102004002869A1 Vorrichtung zum Bereiten von Trinkwasser Apparatus for preparing of drinking water
08/05/2004CA2513612A1 Modified lipophilic polymers for the purification of water
08/04/2004EP1443026A1 Centrifugal deaerator
08/04/2004EP1443025A1 Installation used to obtain salt-free sea water at a low temperature with continuous operation and enthalpy recovery
08/04/2004EP1442782A1 Hollow fiber membrane module
08/04/2004EP1442689A2 Water heating appliances
08/04/2004EP1442688A1 Water heating appliances
08/04/2004EP1442086A1 Method of reducing the total organic carbon content of production waste water in the course of the preparation of concentrated solutions of anionic organic compounds
08/04/2004EP1441988A1 Control of biofilms in industrial water systems
08/04/2004EP1441987A2 Solid materials for removing metals and fabrication
08/04/2004EP1441840A1 Process for improving the purity of quaternary ammonium hydroxides by electrolysis in a two-compartment cell
08/04/2004EP1441836A1 Central carbon dioxide purifier
08/04/2004EP1441826A1 Arsenic removal from aqueous media using chemically treated zeolite materials
08/04/2004EP1343575B1 Method for regulating a membrane filtering installation
08/04/2004EP1230166B1 Filtration device for liquids
08/04/2004EP1067998A4 Apparatus and method for separating oxides of heavy isotopes of hydrogen from water
08/04/2004EP1051358B1 DEVICE FOR DEGERMINATING WATER FLOWING THROUGH A SANITARY fitting
08/04/2004EP0988253B1 Electrochemical treatment of ion exchange material
08/04/2004CN2630329Y Laminated treating reutilization system for domestic water not including fecal sewage
08/04/2004CN2630238Y Pool circulating ozone sterilizing device
08/04/2004CN2630237Y Multifunctional nutrient mineralizaed water activating machine
08/04/2004CN2630236Y Strong-magnetic-field permanent-magnet descaling device
08/04/2004CN2630235Y Acid oxidation potential water disinfecting device
08/04/2004CN2630234Y Supersonic forced electric flocculation generator
08/04/2004CN2630233Y Apparatus for producing running water by treating surface water with ultrafiltration circulating sand filtering combination
08/04/2004CN2630232Y 净水器 Water Purifier
08/04/2004CN2630231Y Domestic water purifier
08/04/2004CN2630230Y Extracorporeal circulating walnut-shell cleaning filter
08/04/2004CN2630229Y Circulating-water automatic on-line monitoring control system
08/04/2004CN1518523A Effective treatment method of waste
08/04/2004CN1518473A Surface for promoting droplet formation
08/04/2004CN1517310A 排水处理方法 Wastewater treatment method
08/04/2004CN1517308A Treatment method of water recovered from oil field refilling
08/04/2004CN1517307A Water treatment device having high frequency electromagnetic field electronic generator
08/04/2004CN1517306A Lifting-up type ion-exchange water treatment device
08/04/2004CN1517305A Water treatment device capable of saving water and salt
08/04/2004CN1517304A Treatment technology of oil containing sludge and sewage
08/04/2004CN1517303A Combined process for treating sewage containing ammonia and sulfuric acid
08/04/2004CN1517302A Sewage treatment method
08/04/2004CN1517141A Filter device and filter method using the filter device
08/04/2004CN1160496C Cation remover and washing machine using the same, and its control method
08/04/2004CN1160261C Biological chain method for treating eutrophication of water in lake
08/04/2004CN1160260C Method of waste water treatment by flocculating sedementation
08/04/2004CN1160259C Nano function material for treating water
08/04/2004CN1160258C Device combined with UV-C gas discharge lamp for sterilization water
08/04/2004CN1160257C Desalination apparatus and method of operating the same
08/04/2004CN1160253C Production process of aluminium iron sulfate polymer as composite water purifying agent
08/04/2004CN1160252C Method for botg. ammonia from wastewater contg. NH3 and acid gases
08/03/2004US6772095 Method and system for servicing and maintaining thermal equipment, water treatment equipment and the like
08/03/2004US6770787 Heavier halogen atom substituted squaraine based dyes, process for the preparation thereof and use thereof as sensitizers for photodynamic, therapeutical and industrial applications
08/03/2004US6770736 Polyethylene binder
08/03/2004US6770483 Introducing into a water sample containing water-soluble, multi-valent, metal or salt as impurities, a water soluble, multivalent metal containing reducing agent which will reduce metal contaminant to lower valance state
08/03/2004US6770285 Hydrophobic oil absorbing polymers and process
08/03/2004US6770248 To control of microbial contaminants in liquids;
08/03/2004US6770206 Introduces air bubbles causing turbulence to disrupt and break up solids; preventing formation of surface layer
08/03/2004US6770205 Method for treatment of pollutants using iron-impregnated, carbon-coated, silica sand
08/03/2004US6770204 Filter media with enhanced microbiological interception capability
08/03/2004US6770192 Water system for bacteria control
07/2004
07/31/2004CA2419586A1 Aquadynamic microbiological control system