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)
05/2003
05/28/2003EP1183213A4 Higher actives dispersion polymer to aid clarification, dewatering, and retention and drainage
05/28/2003EP1165847B1 Cyanide recovery from aqueous ore processing solutions by solvent extraction
05/28/2003EP1064230B1 Use of tetraphenylborate for extraction of ammonium ions and amines from water
05/28/2003EP0963237B1 Method and apparatus for continuous flow isoelectric focusing for purifying biological substances
05/28/2003EP0847374B1 Process for water treatment in a closed circuit with a reactor
05/28/2003EP0827486B1 Stabilized alkali or alkaline earth metal hypobromite and process for its production
05/28/2003DE20304220U1 Sewage drying apparatus comprises use of greenhouse solar power under moving gantry with rotary hoe
05/28/2003CN2552946Y Device for recoverying useful material from chloride solution
05/28/2003CN2552913Y Slow filtering water purifier
05/28/2003CN2552912Y Fluid connecting pipe with ozone
05/28/2003CN2552911Y Hyperoxia drinker
05/28/2003CN2552910Y Water purifying activition instrument
05/28/2003CN2552909Y Domestic water filtering purifier
05/28/2003CN2552908Y Special-purpose seawater microfilter
05/28/2003CN2552907Y Seawater sand filtering pot with high efficient backflushing function
05/28/2003CN2552906Y Environmental protection energy-saving mineralized water purifier
05/28/2003CN1420804A Silicate/aluminate materials
05/28/2003CN1420089A Water purifying apparatus and method
05/28/2003CN1420087A Fixed membrane optocatalytic oxidation water treating system
05/28/2003CN1420086A Household water cleaning system and washer using said system
05/28/2003CN1420085A Mthod and device for injection dissolution of gas for circulation water
05/28/2003CN1420084A Drinking wator deep treating and sea water desalination device
05/28/2003CN1420083A Aluminium sulfate, its preparation method and use thereof
05/28/2003CN1109790C Soil resisting device for structure in contact with seawater
05/28/2003CN1109751C Novel microorganism resistive to hydrogen peroxide
05/28/2003CN1109659C Method for recovering alkali from papermaking black liquor
05/28/2003CN1109658C Reactor for biological sewage purification
05/28/2003CN1109656C Method for microwave treatment of waste water
05/28/2003CN1109655C Method and device for producing deionized water and ultrapure water
05/28/2003CN1109654C Process for recovering oil on water surface using adsorbent prepared from petrochemical mud
05/28/2003CA2363967A1 Device to treat grey water using hydrogen peroxide
05/27/2003US6570173 Device for disinfecting water flowing through a sanitary facility
05/27/2003US6569968 Using polymerization catalyst
05/27/2003US6569910 Ion exchange resins and methods of making the same
05/27/2003US6569342 Process for treating waters, soils, sediments and/or silts
05/27/2003US6569336 Method, device and use of said method for biological elimination of metal elements present in an ionized state in water
05/27/2003US6569329 Personal water filter bottle system
05/27/2003US6569327 Apparatus for directing fluids through a filter system
05/27/2003US6569321 Method and apparatus for treating stormwater runoff
05/27/2003US6569319 UV light intensity detector in a water treatment system
05/27/2003US6569308 Fabrication of a high surface area diamond-like carbon or dirty diamond coated metal mesh for electrochemical applications
05/27/2003US6569301 Cation exchange membrane selectively permeable to monovalent cations and method for its production
05/27/2003US6569298 Apparatus for integrated water deionization, electrolytic hydrogen production, and electrochemical power generation
05/27/2003US6568900 Pressure swing contactor for the treatment of a liquid with a gas
05/27/2003US6568879 Process for the solvent extraction for the radiolysis and dehalogenation of halogenated organic compounds in soils, sludges, sediments and slurries
05/27/2003US6568661 Diffuser for use in a carbonic acid control system
05/27/2003CA2255874C Disposal of arsenic from sulfur dioxide-containing solutions
05/27/2003CA2119543C Home water purification system
05/23/2003CA2363932A1 Management of segregating industrial tailings by using thickeners producing segregated thickened tailings
05/22/2003WO2003042115A1 Integrated hydroponic and wetland wastewater treatment systems and associated methods
05/22/2003WO2003042114A1 Integrated hydroponic and fixed-film wastewater treatment systems and associated methods
05/22/2003WO2003042112A1 Electrochemically activated carbonate and bicarbonate salt solutions
05/22/2003WO2003042111A2 An electrochemical activation system suitable for producing electrochemically-activated solutions through use of an electrolytic cell exchange module
05/22/2003WO2003042110A1 Method of reusing food factory process water
05/22/2003WO2003042109A1 Method and device for the treatment of effluent, sludge and organic substrates
05/22/2003WO2003042108A1 Method of floatation separation treatment of raw water
05/22/2003WO2003042107A2 Water filter cartridge
05/22/2003WO2003042106A1 Method for preparing alkali metal ferrates and novel alkali metal ferrate granules
05/22/2003WO2003041847A1 Filter module
05/22/2003WO2003041837A1 Water-floating zeolite composites
05/22/2003WO2003041745A1 Uv portal-based appliances and containers
05/22/2003WO2003011769A3 Water treatment compositions
05/22/2003WO2003010096A3 Product for treating contaminated fluids and method of making and using the same
05/22/2003WO2002091986A3 Powered sterile solution device
05/22/2003WO2002044089A3 Methods, apparatus, and compositions for controlling organisms in ballast water
05/22/2003US20030097087 Wearable ultrafiltration device
05/22/2003US20030096899 Cushioning devices, gelatinous elastomer materials, and devices made therefrom
05/22/2003US20030096703 Processes for manufacturing water filters
05/22/2003US20030096702 Device and associated methods for removal of chlorine from water
05/22/2003US20030096026 Preparation of essential oil compositions for potable liquid disinfection
05/22/2003US20030095894 Suctioning the fluid through gel film to filter out the objects; micro-particles can be removed by keeping suction pressure weak to keep rate fixed and to maintain capacity while delaying clogging of second filter
05/22/2003US20030094610 Wash water or immersion water used during semiconductor manufacturing
05/22/2003US20030094426 Colloidal waste water solutions containing microparticles filtrated using a second filter, having a gel film that is formed by suction on the surface of a first filter.
05/22/2003US20030094423 Internal spa filter
05/22/2003US20030094422 Poultry processing water recovery and re-use process
05/22/2003US20030094421 Combining both technologies allows as in-site production of a disinfectant agent for treating water reservoirs, particularly swimming pools.
05/22/2003US20030094420 On-line electrochemical fe (VI) water purification
05/22/2003US20030094418 High capacity portable exchange single bed deionizer
05/22/2003US20030094413 Removal of water solubilized organics
05/22/2003US20030094410 Enhanced biogas production from nitrogen bearing feed stocks
05/22/2003US20030094409 Discharging polyvinylidene fluoride resin and a poor solvent at above phase separation temperature into a cooling bath at below phase separation temperature to coagulate the resin.
05/22/2003US20030094407 Filter cartridge with regulated surface cleaning mechanism
05/22/2003US20030094406 Apparatus and method for producing purified water having high microbiological purity
05/22/2003US20030094284 Internal connection of tree to wellhead housing
05/22/2003US20030094100 Using counter-current air stripper in the form of a cylindrical column packed with open spherical balls having internal ribs; gasoline pollutants
05/22/2003US20030094011 Water collection and dispensing machine
05/22/2003DE20200880U1 Water filter has funnel like holder and filter insert holding filtration agent
05/22/2003DE19934409C2 Verfahren zur Entfernung von Ammonium A process for the removal of ammonium
05/22/2003DE10121841C1 Verfahren zur Bereitung von mit allen Luftgasbestandteilen angereichertem Trinkwasser Process for the preparation of enriched air with all gas components drinking water
05/22/2003CA2467771A1 Integrated hydroponic and wetland wastewater treatment systems and associated methods
05/22/2003CA2467272A1 Method for preparing alkali metal ferrates and novel alkali metal ferrate granules
05/22/2003CA2467045A1 Water filter cartridge
05/21/2003EP1312583A1 Composition for the purification of water
05/21/2003EP1312408A2 Method of cleaning membranes
05/21/2003EP1312404A1 Process and apparatus to distillate water from seawater, brackish water or other contaminated waters
05/21/2003EP1311791A2 Method and apparatus for microwave utilization
05/21/2003EP1311614A1 Polymeric compositions for dewatering sewage sludges
05/21/2003EP1311459A1 Waste treatment process
05/21/2003EP1311338A1 Filter or filter-element for modified electro-dialysis (med) purposes
05/21/2003EP1311332A1 Method and apparatus for the concentration of fluid-borne pathogens
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