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)
06/2003
06/05/2003US20030102271 Methods and systems for uniform control of bromine concentrations in water
06/05/2003US20030102270 Sterilization of water solutions
06/05/2003US20030102269 Pulsed blackbody radiation flux enhancement
06/05/2003US20030102256 Combination tap with external water purifier
06/05/2003US20030102211 Electrolyzer
06/05/2003US20030101521 Method of adsorbing dye in aqueous solution by chemical cross-linked chitosan beads
06/05/2003CA2468051A1 Method for controlling legionella in cooling towers
06/05/2003CA2467963A1 Microbiological energy source for operating a consumer
06/04/2003EP1315926A2 Water softener valve
06/04/2003EP1315677A1 Fluid treatment
06/04/2003EP1315676A1 Method for dewatering municipal waste-activated sludge using high electrical voltage
06/04/2003EP1315674A1 Improved hydrate desalination for water purification
06/04/2003EP1315565A1 Complexing structure, device and method for treating liquid effluents
06/04/2003EP1315552A1 Method and apparatus for improving efficiency of a reverse osmosis system
06/04/2003EP1253950B1 Sterile water generator and decontamination system
06/04/2003EP1035908B1 Automatic dry granular chemical dispenser
06/04/2003EP1029141B1 Automatic swimming pool cleaners and associated systems
06/04/2003CN2554159Y High-energy magnetic factor liquid treatment apparatus
06/04/2003CN2554158Y Mud separater structure of electrolytic warter
06/04/2003CN2554157Y Ultra-violet sterilization lamp for water tank
06/04/2003CN2554156Y Integral water treatment equipment for removing organic-oil-ammonia nitrogen
06/04/2003CN2554155Y Sewage collecting device
06/04/2003CN2554129Y Spiral-flow dynamic magnetization water cup
06/04/2003CN1422275A Removal of chloride from phosphonomethyliminodiacetic acid process
06/04/2003CN1422176A Photolytic and photocatalytic reaction enhancement device
06/04/2003CN1421406A Treating process of waste water containing binary acid
06/04/2003CN1421405A Waste liquid treatment method and waste liquid treating equipment with the same method
06/04/2003CN1421403A Water treatment agent
06/04/2003CN1421400A Oxygen-containing water reflux and bioactive carbon waste water treating method and equipment
06/04/2003CN1421399A Electric dialyzer bioreactor and denitrifying method of water containing nitrate
06/04/2003CN1421397A Ultraviolet sterilizing purifier
06/04/2003CN1421396A Method of eliminating organic pollutant in photocatalytic fluidized bed
06/04/2003CN1421247A Apparatus for producing sterilizing liquid and producing method thereof
06/04/2003CN1110638C Rotary plug
06/04/2003CN1110458C Deep treatment and circulating reusing method of waste water in wire production
06/04/2003CN1110457C Production process of pharmaceutic water and its equipment
06/04/2003CN1110456C Method for removing ammonia and nitrogen from wastewater from coking process
06/04/2003CN1110455C Process for producing compound demulsifying flocculant
06/04/2003CN1110454C Method and system for auto-control of injection of coagulant
06/04/2003CN1110453C Water purifier
06/04/2003CN1110452C Method for recovering, treating and closed-loop circulating waste water of papermaking
06/04/2003CN1110355C Method for producing polyamide reverse osmosis composite film
06/04/2003CN1110354C Polyamide reverse osmosis composite film and its producing method
06/04/2003CN1110352C Modular filtration system
06/04/2003CN1110351C Electrochemically assisted ion exchange
06/04/2003CN1110350C Method and apparatus for processing desulfurization absorption fluid
06/04/2003CN1110324C Sterilizing device for medical apparatus and instruments and sterilizing method
06/03/2003USRE38130 Biological decontamination system
06/03/2003US6573336 Wastewater treating agent, method for wastewater treatment, sludge dehydrant and method for sludge treatment
06/03/2003US6573087 Packaged timed release microorganisms and absorbent matrix for degradation of hydrocarbons
06/03/2003US6572902 Process for producing improved alkaline drinking water and the product produced thereby
06/03/2003US6572831 Materials treatment
06/03/2003US6572817 Locating apparatus between the oxygen generator and the ozone generator which receives the gases from the oxygen generator, ionizes such gases and feeds the ionized gases to the ozone generator; treating a contaminated liquid
06/03/2003US6572777 Method for purifying the cooling circuit of an alternator stator operating in ventilated circuit, and implementing device
06/03/2003US6572776 Method of static water softening using zeolites of novel morphology
06/03/2003US6572771 Neutralizes acid waste water with alkali sludge without using a stirring power
06/03/2003US6572769 Water treatment apparatus
06/03/2003US6572765 Filtering system for swimming pool
06/03/2003US6572759 Method and apparatus for treating aqueous medium
06/03/2003US6572751 Purification, isolation, concentration and separation of organic or biological substances
06/03/2003US6572677 Recovering silver from waste photographic processing solution comprising silver ions by contacting with body of material comprising fine iron particles dispersed in binder matrix of crosslinked gelatin, which reduces silver ions to silver metal
05/2003
05/30/2003WO2003044124A1 Method for the preparation of aggregates
05/30/2003WO2003043942A1 Method and device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input
05/30/2003WO2003043940A1 Water decalcifier
05/30/2003WO2003043939A2 Method and apparatus for the treatment of particulate biodegradable organic waste
05/30/2003WO2003043731A1 Arsenic removal media
05/30/2003WO2003043716A1 Filter cartridge with regulated surface cleaning mechanism
05/30/2003WO2003024874A3 Fluid treatment system comprising an helical array of reactors
05/30/2003WO2003020645A3 Household apparatus with electrochemical treatment device for a liquid and treatment method of a fluid using this device
05/30/2003WO2003000389A3 Membrane-assisted fluid separation apparatus and method
05/30/2003WO2002042227A1 Enhanced biogas production from nitrogen bearing feed stocks
05/30/2003CA2468114A1 Enhanced biogas production from nitrogen bearing feed stocks
05/29/2003US20030100617 A colloid comprises a sulfone polymer and can be used as a replacement for activated carbon or charcoal in water purification and can be reused/regeneration
05/29/2003US20030099606 Iodinating an strong base anion exchange resin with iodine or an iodine compound; abosorbing through the pores of ion exchange resin
05/29/2003US20030099584 Aqueous ozone generator with reverse osmosis or deionization function
05/29/2003US20030098283 Prepared from seawater disinfected by electrolysis in electrolytic treatment system and neutralized to eliminate deleterious biocidal effects to growth of microalgae
05/29/2003US20030098282 Inorganic acid is added to coagulation waste water of fluoropolymer containing fluorine-containing emulsifier to adjust pH to at least 1 and less than 6, metal chloride is added to coagulate and remove solids
05/29/2003US20030098279 Mechanical stability provided via carbon fibers; chomatography columns
05/29/2003US20030098277 Sweetening of mixed liquor during solid-liquid separation
05/29/2003US20030098268 Periodic ozone treatment system for a showering tower type water cooling system
05/29/2003US20030098266 Fully automatic and energy-efficient deionizer
05/29/2003US20030098247 Waste fluid or waste water treatment method and its apparatus
05/29/2003US20030098246 Method for electrochemically reducing reducible dyes
05/29/2003US20030098244 Comprises dispensing system for mixing concentrated buffer, surfactant, solvent, and/or water conditioner with concentrated chlorine/sodium hydroxide mixture, and electrolytic cell for electrolysis of sodium chloride
05/28/2003EP1315040A2 Method to reduce corrosivity of photographic processing effluent
05/28/2003EP1314700A1 Method for absorbing and recovering fluorine-containing emulsifier
05/28/2003EP1314699A1 Electrolyzed water production apparatus
05/28/2003EP1314698A1 Process and apparatus for treating ammonia-containing waste water
05/28/2003EP1314696A1 Method for preparing aluminum sulfate, aluminum sulfate and waste water treatment using the obtained aluminum sulfate
05/28/2003EP1314351A1 Water for assisting the purification of water for feeding ornamental fishes or fishes and shellfishes
05/28/2003EP1313830A1 Use of percarbamic acids and diacyl percarbamates and precursors therefor
05/28/2003EP1313669A1 Method and apparatus for treating wastewater using membrane filters
05/28/2003EP1313668A1 Water treatment method
05/28/2003EP1313667A1 Chemical feeder
05/28/2003EP1313666A1 Water treatment apparatus
05/28/2003EP1313556A1 Reuse of used cooking oil adsorbants
05/28/2003EP1313548A2 Apparatus and method for oxygenating wastewater
05/28/2003EP1313546A2 Process and apparatus for blending product liquid from different thin film composite membranes
05/28/2003EP1313368A1 Synergistic biocidal composition
05/28/2003EP1259303A4 Filtration of hydrocarbon containing liquid
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