Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
12/1999
12/15/1999CN2353739Y Purifier for treating waste liquid from paper making
12/15/1999CN2353738Y Electomagnetic-sterilizing running-water quick-heater
12/15/1999CN2353737Y Water treatment apparatus vibration and strong magnetic-field activation sterilizing
12/15/1999CN2353736Y Ion-water generating apparatus
12/15/1999CN2353735Y Water-purifying treatment apparatus
12/15/1999CN2353734Y Fully-automatic water-softening device
12/15/1999CN2353733Y Super-effective air-floatation water-purifying device
12/15/1999CN2353732Y Steam purifying type water, making machine
12/15/1999CN2353436Y Portable water-purifying device
12/15/1999CN1238745A Method and apparatus for killing microorganisms in ship ballast water
12/15/1999CN1238709A Cyclodextrin polymer separation materials
12/15/1999CN1238308A Apparatus for industrially preparing fresh water
12/15/1999CN1047369C Multifunction domestic water purifying apparatus
12/15/1999CN1047368C Electroplating waste water compound purifying agent and preparing process
12/15/1999CN1047365C Preparation of aqueous solutions of fluoboric acid
12/15/1999CA2275010A1 Cooling tower treatment system
12/14/1999US6001920 Stable pourable liquid with dispersion
12/14/1999US6001769 Compositions and methods for the remediation of chemical contamination in subsurface water bearing geological formations
12/14/1999US6001406 Removal of polyphenols and proteins simultaneously from a beverage by contacting the beverage with an ion exchanger that is capable of adsorbing both types of substances
12/14/1999US6001263 Applying distiller's dried grain to the oil spillage and permitting the oil to become sorbed to the distiller's dried grain; natural nontoxic dispersant
12/14/1999US6001262 Cascade ion exchange for high purity water production
12/14/1999US6001258 Combining the aqueous stream with an absorbent consisting of small particles, to produce a dispersion, concentrating dispersion to produce a slurry, oxidation of slurry for regeneration
12/14/1999US6001256 Method of manipulating the chemical properties of water to improve the effectiveness of a desired chemical process
12/14/1999US6001254 The filter membranes disposed in bundles within filter modules has made it possible to implement mobile installations suitable for filtering water in event of fixed installation failing or an emergency
12/14/1999US6001249 Multi-stage water filter system
12/14/1999US6001247 Gaseous ozone is introduced into a vertically disposed water conduit by fine bubble diffuser contactors positioned within the conduit for low volumetric flows and high concentrations of ozone into water
12/14/1999US6001246 Converting sulfuric acid based process wastewater generated in industry into sodium sulfate salt and clean water for reuse as process water by precipitation, adsorption, filtration, ultraviolet radiation treatment, evaporation etc.
12/14/1999US6001244 Performance water purification system
12/14/1999US6001243 Heating and reaction system and method using recycle reactor
12/14/1999US6001238 Method for purifying pure water and an apparatus for the same
12/14/1999US6001222 Solar heating and evaporation plant
12/14/1999US6001190 Reduced energy cleaning appliance
12/14/1999US6001176 Method and device for specific formation of nuclei or crystals
12/09/1999WO1999062858A1 Method for recovering fluorinated alkanoic acids from waste waters
12/09/1999WO1999062831A1 Hydrogen sulfide removal methods and apparatus
12/09/1999WO1999062830A1 Method for recovering fluorinated alkanoic acids from waste waters
12/09/1999WO1999062829A1 A spectral water generator
12/09/1999WO1999062828A1 Fluids management system for water electrolysis
12/09/1999WO1999062827A1 Center opening water treatment tank
12/09/1999WO1999062826A1 Method for absorbing heavy metals
12/09/1999WO1999062825A1 Inclusion methods for purifying a solvent
12/09/1999WO1999062649A1 Method and system for cleaning semiconductor elements
12/09/1999WO1999062625A1 Liquid medicine preparing device
12/09/1999WO1999062613A1 Filtration system with modularized energy recovery subsystem
12/09/1999WO1999062612A1 Water treatment apparatus
12/09/1999WO1999062567A1 Circuit for operating a uv-lamp in a degerminating reactor
12/09/1999WO1999062339A1 Concentrated aqueous bromine solutions and their preparation
12/09/1999DE19826209A1 Shaped zeolite, for removing impurities from e.g. gas before regeneration
12/09/1999DE19826205A1 Process for foaming and consolidating swellable clays
12/09/1999DE19826186A1 Production of iron hydroxide in lump form useful as adsorbent for removing contaminants from water or gases
12/09/1999DE19825063A1 Verfahren zur Unterdrückung der Zerfallsgeschwindigkeit von Ozon in ultrareinem Wasser A method of suppressing the rate of decomposition of ozone in ultra pure water
12/09/1999DE19824615A1 Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern Process for the recovery of fluorinated alkane acids from wastewater
12/09/1999DE19824614A1 Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern Process for the recovery of fluorinated alkane acids from wastewater
12/09/1999CA2334323A1 Inclusion methods for purifying a solvent
12/09/1999CA2334262A1 Hydrogen sulfide removal methods and apparatus
12/09/1999CA2334105A1 Process for the recovery of fluorinated alkanoic acids from wastewater
12/09/1999CA2333059A1 Concentrated aqueous bromine solutions and their preparation
12/08/1999EP0962582A1 Metal chelate forming fiber, process for preparing the same, and method of metal ion sequestration using said fiber
12/08/1999EP0962446A1 Dilute acid oxidation of dinitrotoluene alkaline wash water
12/08/1999EP0962427A1 Apparatus for treating organic raw water utilizing anaerobic microorganisms
12/08/1999EP0962426A1 Photocatalytic process for the purification of water polluted by odorant compounds containing sulfur
12/08/1999EP0962254A2 Method and device for separating suspended substances from liquids
12/08/1999EP0962241A1 An electrostatic treating apparatus
12/08/1999EP0961759A1 Method for the physico-chemical treatment of effluents in particular surface water for consumption
12/08/1999EP0961758A1 Method for the physico-chemical treatment of effluents, in particular of surface water for consumption
12/08/1999EP0961757A2 Method for removing chlorate ions from solutions
12/08/1999EP0833687B1 Method for treating water according to the principle of reversed osmosis
12/08/1999EP0764610B1 Plant and process for desalting marine water by reverse osmosis, by means of hydrostatic pressure
12/08/1999EP0714378B1 Method and apparatus for ozone generation and treatment of water
12/08/1999CN2352776Y Multi-functional and water saving taps
12/08/1999CN2352525Y Integrated water treatment equipment
12/08/1999CN2352524Y Equipment for treating wastewater for leather processing plant
12/08/1999CN2352522Y Water purifying apparatus using ozone for sterilizing water
12/08/1999CN2352521Y Water treatment equipment
12/08/1999CN2352520Y Adjustable domestic water purifying apparatus with desalination and fluorine-removing function
12/08/1999CN2352519Y Water purifying apparatus
12/08/1999CN2352518Y Apparatus for adding chemicals for water treatment
12/08/1999CN2352517Y Integrated high efficiency wastewater treatment equipment
12/08/1999CN2352516Y Bowl type magnetizing device
12/08/1999CN2352515Y Insertion type drainage apparatus for counter-flow regeneration ion exchange water treatment equipment
12/08/1999CN2352514Y Moveable type dirt oil recovery equipment
12/08/1999CN2352513Y Pressing type oil removing sediment equipment
12/08/1999CN2352512Y Structure improved device for sterilizing diversion water equipment using sterilizing lamp
12/08/1999CN2352511Y Photocatalysis oxidation apparatus for water purification
12/08/1999CN2352510Y Super high efficiency air floating method for water purification
12/08/1999CN2352509Y Two purpose filtering equipment for liquid/water in coal mine
12/08/1999CN2352180Y Ultra-violet disinfecting device
12/08/1999CN1237917A System for draining liquid storage tank
12/08/1999CN1237692A Dual-purpose water-supplying equipment capable of simultaneously providing domestic hot water and drinking pure water
12/08/1999CN1237665A Cation remover and washing maching using the same, and its control method
12/08/1999CN1237543A Method for treating waste water produced by electroplating process
12/08/1999CN1237542A Frequency spectrum water generator
12/08/1999CN1237541A Centrifugal method for water treatment and its equipment
12/08/1999CN1237540A Workshop for production of drinking pure water and its equipment
12/08/1999CN1047157C Process for filtering, purifying, oxygenation and activating treatment of drinking water
12/08/1999CN1047155C Process for treating electroplating waste water with micro-organism
12/08/1999CN1047154C Apparatus for treating waste water
12/07/1999US5998632 With diallyldimethylammonium chloride
12/07/1999US5997838 Increasing basicity by adding sodium aluminate
12/07/1999US5997814 Multi-compartment plastic woven mesh dry chemistry container
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