Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
01/2001
01/25/2001WO2001005708A1 A process and a plant for purifying of a liquid
01/25/2001WO2001005707A1 Process for the disposal of solid or liquid wastes from treatment of animal source materials
01/25/2001WO2001005503A1 Water softening method and apparatus for use therewith
01/25/2001WO2001005490A1 Method and device for desalting water
01/25/2001WO2001005484A1 Apparatus for washing and sterilizing potable water container and supplying purified water into the container
01/25/2001WO2000061527A3 The use of metal dithiolene complexes in selective olefin recovery
01/25/2001DE19947635A1 Fibrous structure, e.g. paper, containing active agents for liquid treatment, useful e.g. in food processing or in softening or purifying water
01/25/2001DE19934409A1 Reducing the ammonium concentration of aqueous solutions comprises passing it through a reactor containing adsorption agent, passing activated sludge containing dissolved salt through the reactor by means of gas and rinsing
01/25/2001DE19933147A1 Verfahren und Vorrichtung zum Entsalzen von Wasser Method and apparatus for desalinating water
01/25/2001DE19926901A1 Dialysis machine cleaning process without the need for mechanical intervention involves replacing the sodium bicarbonate with permeate, thermally cleaning and replacing the permeate with NaHCO3
01/25/2001CA2379931A1 Process for the recovery of fluorinated emulsifiers from aqueous phases
01/25/2001CA2379219A1 Method for treating circulating water in paint booths
01/24/2001EP1070555A2 Apparatus for removing contaminants from a contaminated area
01/24/2001EP1070527A1 Water treatment by accelerated sedimentation and/or precipitation
01/24/2001EP1070246A1 Method for electroelution of a biological sample and implementing device
01/24/2001EP1070150A1 Method for treating steel works dust by wet process
01/24/2001EP1070022A1 A device for the treatment of water
01/24/2001EP1070020A1 Water treatment system and process comprising ph-adjustment
01/24/2001EP1070019A1 Water treatment product and method
01/24/2001EP1069944A1 Shaped body of zeolite, a process for its production and its use
01/24/2001EP1069932A1 Treatment of liquids
01/24/2001EP1042230A4 Apparatus and process for water treatment
01/24/2001EP0785908B1 Method of treating liquids to inhibit growth of living organisms
01/24/2001CN2416095Y Circulating water medicating filtering treating device
01/24/2001CN2416094Y Sewage treatment apparatus
01/24/2001CN2416093Y Internal drinking water magnetizer
01/24/2001CN2416092Y 磁化器 Magnetizer
01/24/2001CN2416091Y Hollow fiber film apparatus
01/24/2001CN2416090Y Portable positive penetrating water purifier
01/24/2001CN2416089Y Efficient coalescence degreaser
01/24/2001CN2415822Y Non-plugging even dissolved air release
01/24/2001CN2415706Y Double-floating ball mineral spring pot
01/24/2001CN2415703Y Drinker
01/24/2001CN1281472A Anionic Polymer products and processes
01/24/2001CN1281417A Method and apparatus for treating liquids and slurries
01/24/2001CN1281379A Deionization apparatus having non-sacrificial electrodes of different types
01/24/2001CN1281333A Disinfectant and method of making
01/24/2001CN1280996A Process and equipment for preparing inorganic high-molecular flocculant
01/24/2001CN1280958A Process without drainage of waste water
01/24/2001CN1280957A Process for reclaiming wastes in situ of drilling well on land
01/24/2001CN1280796A Preparation method of supersaturated oxidation liquid
01/24/2001CN1061048C Process for recovery and recycle of methanesulfonic acid and phosphorous acid
01/24/2001CN1061013C Amphoteric polyacrylamide flocculating agent and preparing process thereof
01/23/2001US6178290 Water filter device having a collecting pot and a heating element
01/23/2001US6177018 Supply container pressurized with compressed air, passageway for fluid flow, connecting conduit, valve and controller
01/23/2001US6177016 Water purification methods with in situ generation of metal hydroxide flocculants
01/23/2001US6177015 Process for reducing the concentration of dissolved metals and metalloids in an aqueous solution
01/23/2001US6177011 Composite reverse osmosis membrane having a separation layer with polyvinyl alcohol coating and method of reverse osmotic treatment of water using the same
01/23/2001US6177006 Filtering device
01/23/2001US6177005 System for producing ultrapure water having a TOC density of no more than 0.5 ppb
01/23/2001CA2207937C Separation of sulphides and chlorides from pulping liquors by electrodialysis
01/23/2001CA2160330C Apparatus and method for multistage reverse osmosis separation
01/23/2001CA2039148C Process for in situ decontamination of subsurface soil and groundwater
01/20/2001CA2278085A1 Aeration system for submerged membrane module
01/18/2001WO2001004626A1 An electrochemical method for enrichment of microorganism, a biosensor for analyzing organic substance and bod
01/18/2001WO2001004415A1 Method for eliminating detrimental substances in a process liquid
01/18/2001WO2001004201A1 High molecular weight zwitterionic polymers
01/18/2001WO2001004062A1 Method and device for treating water, especially drinking water, and for maintaining the purity thereof
01/18/2001WO2001004061A1 A biofuel cell using wastewater and active sludge for wastewater treatment
01/18/2001WO2001004059A1 Plant for the depuration of industrial and civil wastes
01/18/2001WO2001004058A1 Novel materials and methods for water purification
01/18/2001WO2001004057A1 Method and apparatus for removing oil from water including monitoring of adsorbent saturation
01/18/2001WO2001004056A1 Desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate and concomitant carbon dioxide capture yielding liquid carbon dioxide
01/18/2001WO2001003794A1 Method and device for treating liquid wastes
01/18/2001WO2000047303B1 Evaporation driven system for power generation and water desalinization
01/18/2001DE19933696A1 Verfahren zur Rückgewinnung fluorierter Emulgatoren aus wässrigen Phasen A process for the recovery of fluorinated emulsifiers from aqueous phases
01/18/2001DE19933204A1 Wasseraufbereitungsvorrichtung Water treatment device
01/18/2001DE19932795A1 Drinking water anti-limestone formation unit thermally disinfected at intervals with operation of by-pass circuit in multi-storey buildings.
01/18/2001DE19932771A1 Verfahren zur Eluierung fluorierter Emulgatoren Process for the elution of fluorinated emulsifiers
01/18/2001DE19932766A1 Verfahren zur Behandlung des Umlaufwassers in Lackierkabinen A method of treating the circulating water in spray booths
01/18/2001DE19931866A1 Verfahren und Vorrichtung zur Aufbereitung einer Abfallflüssigkeit Method and apparatus for treating a waste liquid
01/18/2001DE19931261A1 Verfahren zur Mikrofiltration A method of microfiltration
01/18/2001CA2378580A1 An electrochemical method for enrichment of microorganism, a biosensor for analyzing organic substance and bod
01/18/2001CA2378558A1 A biofuel cell using wastewater and active sludge for wastewater treatment
01/18/2001CA2377695A1 Method for eliminating detrimental substances in a process liquid
01/17/2001EP1069140A1 Water-soluble polymer, process for the production of the same, and use thereof as polymeric coagulant
01/17/2001EP1069079A1 Electric desalting apparatus
01/17/2001EP1069078A2 Method of elution of fluorinated emulgators
01/17/2001EP1069077A1 Device for treating water
01/17/2001EP1068901A2 Electrodeionization apparatus
01/17/2001EP1068888A1 Filter assembly with bypass valve and indicator means
01/17/2001EP1068887A1 Integrated flotation and filtration device for the clarification of liquids containing suspended material
01/17/2001EP1068151A1 Process for inhibiting bacterial and algicidal activity in aqueous media
01/17/2001EP1067998A1 Apparatus and method for separating oxides of heavy isotopes of hydrogen from water
01/17/2001EP1067996A1 Filter constructions and methods
01/17/2001EP1067973A1 High-strength-electric-field pumpable-food-product treatment in a serial-electrode treatment cell
01/17/2001CN2415439Y Multifunctional magnetizer
01/17/2001CN2415317Y Simulated hot spring skin health type solar water heater
01/17/2001CN2415030Y Water treating device
01/17/2001CN2415028Y Drinking water treating device
01/17/2001CN2415027Y Sound-magnetic liquid treating device
01/17/2001CN2415026Y Structurally improved filter element of water purifier
01/17/2001CN2415025Y Far infrared double-layer health Yixing pottery cup
01/17/2001CN2415024Y Waste paper paper-making waste liquor treating apparatus
01/17/2001CN2415021Y Integral sewage treatment ozone generator
01/17/2001CN1280105A Electric ally caltalytic contact oxidizing technology
01/17/2001CN1280104A Method for preparing flocculent for treatment of chitosan water
01/17/2001CN1280103A Water purifying method on physical and chemical principles
01/17/2001CN1280102A Treatment and source recovering method for waste water of 1,4-dihydroxy anthraquinone produetion
01/17/2001CN1280101A Improved pulse processing instrument