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)
08/1999
08/17/1999US5938915 Electrolyzing raw water to generate purified proton-rich water in cathode compartment, administering cathode water to patient's blood to reduce oxyanion radicals present in blood
08/17/1999US5938907 Electrodialysis to separate guanidine salts from aqueous solutions contaminated with residual proteins, buffers, reducing agents; simplification
08/17/1999US5938900 Method and apparatus for treating water
08/17/1999CA2151753C A method for treating waste water containing neutral salts comprising monovalent ions
08/17/1999CA2071544C Process of combatting micro-organisms
08/16/1999CA2229694A1 Electrolysis apparatus for internal combustion engine enhanced fuel efficiency
08/12/1999WO1999040266A2 Improvements in fluid systems
08/12/1999WO1999040244A1 Shower apparatus
08/12/1999WO1999040163A1 Composition
08/12/1999WO1999040162A1 A quickly dissolving chlorine release mixture
08/12/1999WO1999040147A1 Improved polymer blends for dewatering
08/12/1999WO1999040034A1 Use of reverse osmosis membranes to treat evaporator clean condensate
08/12/1999WO1999040033A1 Ion exchange and regeneration process
08/12/1999WO1999040032A1 An apparatus for treating a liquid
08/12/1999WO1999040031A2 Water purification apparatus
08/12/1999WO1999040030A2 Plant for processing water using silver ions
08/12/1999WO1999039821A1 Absorbent
08/12/1999WO1999039810A1 Electrodialysis apparatus
08/12/1999WO1999039799A1 Osmotic desalinization process
08/12/1999WO1999039753A1 Electrolytic synthesis of peracetic acid and other oxidants
08/12/1999WO1999039752A1 High-strength-electric-field pumpable-food-product treatment in a serial-electrode treatment cell
08/12/1999DE19836619A1 Equipment destroying organic liquid or vapor, especially halogenated pollutants
08/12/1999DE19805317A1 Treating water using double reverse osmosis unit to give clean water for use in turbines, chip manufacture and pharmaceuticals
08/12/1999CA2320482A1 Electrolytic synthesis of peracetic acid and other oxidants
08/12/1999CA2320168A1 Shower apparatus
08/12/1999CA2319323A1 An apparatus for treating a liquid
08/12/1999CA2261465A1 Apparatus for the cleaning of waste streams
08/11/1999EP0934775A1 Method and apparatus for using potassium chloride in a water softener
08/11/1999EP0934232A1 Process for disinfecting organic waste sludge
08/11/1999EP0934231A1 Purification of water with cyclodextrins
08/11/1999EP0826015B1 Foamed and cross-linked phenolic resin and method for making same
08/11/1999CN2332721Y Water purifying device
08/11/1999CN2332720Y Superpure water processor for lab
08/11/1999CN2332719Y Combination filter element
08/11/1999CN2332718Y Multifunctional high effective ozone disinfectant generator
08/11/1999CN2332717Y Full automatic iron removing appts. for groundwater
08/11/1999CN2332716Y Strong magnetized ionized processing appts.
08/11/1999CN2332715Y Improved water treatment appts.
08/11/1999CN2332714Y Multifunctional ion water machine for drinking and sterilizing use
08/11/1999CN2332713Y Small sterilizing water generator
08/11/1999CN2332712Y Full automatic tunicle water treatment appts.
08/11/1999CN2332711Y Special intelligent water treatment device of air conditioner
08/11/1999CN2332710Y Water quality hardness regulating device of water purifier
08/11/1999CN2332709Y Hydraulic sieving device with water distributor
08/11/1999CN1225664A Minimizing evaporator scaling and recovery of salts during gasification
08/11/1999CN1225593A Waste water grease filter
08/11/1999CN1225339A Method for improving pH value during prodn. of purified water
08/11/1999CN1225338A Bio-floculation wastewater treatment utilizing synthesized micro-organism/polyester
08/11/1999CN1225337A Process for reducing viscosity of water through electrolysis
08/11/1999CN1225336A Method for reducing iodine content of high iodine-containing drinking water
08/10/1999US5937266 Light irradiating device employing light irradiating modules equipped with a cleaning mechanism
08/10/1999US5935609 Comprising silver metal and a metal selected from group consisting of zinc metal, magnesium metal, aluminum metal, iron metal and manganese metal; disinfects and removes toxic metal ions from water; use in swimming pool water, spas
08/10/1999US5935552 Crystalline intergrowth molecular sieves
08/10/1999US5935546 Method for removing traces of heavy metals from concentrated alkali metal chloride solutions down into the range of 0.01 ppm
08/10/1999US5935518 Contacting the surfaces of pool water and spas or equipments with a solution of an effective amount of antimicrobial amount of straight chain alkylamine or salt and an effective amount of biguanide or polyguanide or salt
08/10/1999US5935448 Forming water insoluble metallic soaps for entrapping or entraining other impurities and contaminants in a waste water
08/10/1999US5935446 Collecting water in receptacle; sucking a portion of water from receptacle; mixing with air and introducing into a basin; passing through perforated plates
08/10/1999US5935444 Method and apparatus for removing oil from water on offshore drilling and production platforms
08/10/1999US5935442 Adsorbent particles comprise a porous composite material having pores allowing access to the interior of the composite material; relative density and particle size range are chosen to provide desired flotation/sedimentation properties
08/10/1999US5935441 Water purification process
08/10/1999US5935433 Arrangement for and method of treating fluid
08/10/1999US5935431 Filtering water through a media filter, exposing to ultraviolet radiation to kill microorganisms and treating water with ozone to neutralize any remaining bacteria, preventing contamination in downstream waterlines
08/10/1999US5935427 System for draining a liquid storage tank
08/10/1999US5935426 Water treatment device with volumetric and time monitoring features
08/10/1999US5935425 Centrifuge with rotatable scroll and means to mix flocculant with feed slurry
08/10/1999US5935412 Method and apparatus for eliminating odors in sewage systems
08/10/1999US5935392 Electrodes for electrolytic removal of nitrates from water, methods of making same, and apparatus incorporating said electrodes
08/10/1999US5934839 Cationic water-soluble polymer precipitation in salt solutions
08/10/1999US5934207 Method and apparatus for disposing of leachate
08/10/1999CA2097917C Improved waste water treatment
08/10/1999CA2092029C Extracting organic compounds from aqueous solutions
08/06/1999CA2228886A1 Apparatus for the purification of liquids and a method of manufacturing and of operating same
08/05/1999WO1999038809A1 Methods and compositions for treating paint spray booth water
08/05/1999WO1999038808A1 Method for treating circulating water from an enamelling line
08/05/1999WO1999038807A1 Water purifying means
08/05/1999WO1999038806A1 Device for degerminating water flowing through a sanitary installation
08/05/1999WO1999038805A1 Device for degerminating water flowing through a sanitary installation
08/05/1999WO1999038804A1 Device for degerminating water
08/05/1999WO1999038803A1 Novel water treatment device and method
08/05/1999WO1999038609A1 Agent for generating gas pressure
08/05/1999DE19803552A1 Mittel zur Erzeugung von Gasdruck Means for generating gas pressure
08/05/1999DE19803538A1 Einrichtung zum Entkeimen von Wasser Means for sterilizing water
08/05/1999DE19803509A1 Mobile solar collector and water treatment plant linked to subsurface storage
08/05/1999CA2318807A1 A process for treating circuit water from a paint shop
08/05/1999CA2318181A1 Methods and compositions for treating paint spray booth water
08/04/1999EP0933676A1 Processing method of black-and-white photographic materials
08/04/1999EP0933337A1 Water softening assembly
08/04/1999EP0933336A1 Waste pre-treatment and modular process comprising said pre-treatment
08/04/1999EP0933333A1 Use of a supported catalyst
08/04/1999EP0933332A1 Electrolysis of water resulting in the reduction of fat content in the human liver
08/04/1999EP0933331A2 Evaporative concentration apparatus for waste water
08/04/1999EP0933110A1 Clarification apparatus for a liquid loaded by flotation
08/04/1999EP0933109A2 Apparatus for de-gasing liquid media
08/04/1999EP0932583A1 Method to reduce or prevent scaling
08/04/1999EP0932582A1 Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange resin
08/04/1999EP0932436A1 Water and wastewater treatment system with internal recirculation
08/04/1999EP0932371A1 Interdental cleaner and manufacturing process
08/04/1999EP0812301B1 Photocatalyst compound and process for production thereof
08/04/1999EP0792249B1 End of life mechanism for water treatment cartridge
08/04/1999CN2331664Y Electromechanical integral device for catalytic deaerated water treatment
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