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)
04/2003
04/02/2003CN1406878A 净水剂 Purifying Agent
04/02/2003CN1406877A 净水剂 Purifying Agent
04/02/2003CN1406876A Electrolytic water producing device
04/02/2003CN1406875A Apparatus of treating water by electric field
04/02/2003CN1406484A Bactericidal and algae-killing composition and its production, river system sterilizing method
04/02/2003CN1104384C Control method of waste water containing chromium
04/02/2003CN1104383C Sewage treating procedure to realize zero exhaust of sewage and sludge in small and middle sized papermaking mills
04/02/2003CN1104382C Device for creation of oxidation and pptn. zone or reduction zone in aquifer
04/02/2003CN1104381C Method and appts. for increasing oxygen content of water
04/02/2003CN1104380C Water purifier, especially for domestic use
04/02/2003CN1104379C Treatment process for waste water of paper making ammonium salt process
04/01/2003US6541569 Polymer alloys, morphology and materials for environmental remediation
04/01/2003US6541228 Electrodialysis methods for purification and recovery of gluconic acid derivatives
04/01/2003US6540967 Apparatus for the irradiation of a liquid
04/01/2003US6540966 Reactors for the total recycling of contaminated liquid waste such as crude oil, sea water, or sewage, which produce a clean burning combustible gas, usable heat, and solid precipitates using electric arcs
04/01/2003US6540924 Method and a device for treating liquids
04/01/2003US6540922 Has ultrasound emitter located relative to compartment of container holding liquid medium and microbubble emitter relative to compartment; produces water supersaturated with salts to induce biotoxic effects on microorganisms
04/01/2003US6540919 Method of treating waste-activated sludge using electroporation
04/01/2003US6540916 For purification of liquids
04/01/2003US6540912 Aerobic polishing system for wastewater
04/01/2003US6540894 Phosphate ion selective electrode and manufacturing method thereof
04/01/2003US6540888 Mineral ionizing device
04/01/2003US6539742 Ice maker with magnetic water conditioner
03/2003
03/27/2003WO2003025362A1 Device for controlling the conductivity, adjusting the acidity and de-mineralising the water in the cooling circuit of an engine
03/27/2003WO2003025235A1 Process for the recovery of lead from scrap batteries
03/27/2003WO2003024895A1 Method for treating organic liquid using ozone gas and apparatus for ozone treatment of organic liquid for use in said method
03/27/2003WO2003024875A2 Method for the biological and chemical/oxidative treatment of waste water containing dye
03/27/2003WO2003024874A2 Fluid treatment system comprising an helical array of reactors
03/27/2003WO2003024873A1 Ultraviolet water treatment apparatus with dome-shaped baffle
03/27/2003WO2003024872A1 Method of decontaminating metal species in water using caustic magnesium
03/27/2003WO2002070063A3 Method and apparatus for the generation of ultrasonic energy fields within circular structures containing a liquid
03/27/2003WO2002059045A3 Device for water activation in an electric non-self-maintained glow discharge
03/27/2003WO2002051756B1 Method and conditioning agent for treating waste water and air pollutants
03/27/2003WO2002049968A3 Feeder and method for preparing aqueous solutions of solid oxidizers
03/27/2003WO2002022229A9 Systems and methods for gas exchange and/or organic separation from fluids
03/27/2003US20030060586 Interpolymer of a cationic monomer, a hydroxyalkyl (meth)acrylate and, optionally, a nonionic monomer
03/27/2003US20030060520 Method for removing organic liquids from aqueous solutions and mixtures
03/27/2003US20030060372 Composition for inhibition of metal corrosion
03/27/2003US20030059663 Apparatus for water treatment having electrodeionization device
03/27/2003US20030058982 Method of decontaminating by ozone and a device thereof
03/27/2003US20030058981 Method of decontaminating by ozone and a device thereof
03/27/2003US20030057868 Method and ballast for feeding a uv light low pressure radiator
03/27/2003US20030057164 Comprises hydrocyclone; oxidation; sewage treatment
03/27/2003US20030057163 Diffuser/emulsifier for aquaculture applications
03/27/2003US20030057162 Treatment of aqueous media containing electrically charged compounds
03/27/2003US20030057161 Using chelating resins for removing copper; displacing absorbed copper by treating resins with hydrochloric acid or sulfuric acid solutions; waste from iodine recovery by copper mineralization of X-ray contrast agent production solutions
03/27/2003US20030057160 Flushing to a holding tank, mixing with an alkaline solution to kill pathogens, separating solids and liquids after said neutralization, treating and recycling the liquid, and separating the solids for use as animal feed or as fertilizer
03/27/2003US20030057155 Ultrafiltration and microfiltration module and system
03/27/2003US20030057152 Device for treatment of wastewater
03/27/2003US20030057107 Wastewater treatment method and apparatus
03/27/2003US20030057086 High voltage electrostatic field for treatment of flowing liquids
03/27/2003US20030057085 Utilizes a combination of vacuum pressure, solar energy, mechanical spreading and agitation apparatus, an evaporation plate, and heat exchangers for the efficient distillation of fresh water from salt water.
03/27/2003US20030057084 Solar distillation unit
03/27/2003US20030056805 Fluorinated cation-exchange membrane (e.g., Nafion") to separate cathode and middle chambers from each other
03/27/2003DE20300247U1 Permanent or electro-magnetic system for preventing limestone scale is installed within or around tap spout
03/27/2003DE20300070U1 Treatment device used for treating oil/water emulsions produced in a degreasing installation is connected to process and rinsing baths via pipe lines and is continuously charged with a determined amount of the liquid to be cleaned
03/27/2003DE20218562U1 Water supply housing for removing limestone scale comprises concentric stainless steel electrodes separated by sandwich array
03/27/2003DE20217305U1 Drinking water heating system maintains flow of disinfected water during periods of nil discharge
03/27/2003DE20213058U1 Denitrification filter operating on interval basis, e.g. for aquarium, has cyclical filling device connected to filter vessel
03/27/2003CA2458969A1 Fluid treatment system
03/27/2003CA2405380A1 Apparatus for water treatment having electrodeionization device
03/26/2003EP1296337A1 Supercapacitors and method for fabricating the same
03/26/2003EP1295853A2 Method of treating water and apparatus therefor
03/26/2003EP1295852A1 Plant for desalination or purification of saline water by distillation
03/26/2003EP1295641A1 Heated ultrasonic treating device and treating method for suspended matter-containing liquid
03/26/2003EP1295631A2 Method of treating reverse osmosis membrane element and reverse osmosis membrane module
03/26/2003EP1295630A1 Method and apparatus for treatment of waste water from cationic electrodeposition coating process
03/26/2003EP1295093A2 Optical radiation sensor system and method for measuring radiation transmittance of a fluid
03/26/2003EP1294955A1 Precious metal recovery from organics-precious metal compositions with supercritical water reactant
03/26/2003EP1294740A2 Chemically-modified antimicrobial peptides, compositions and methods of production and use
03/26/2003EP1294647A1 Method and device for purifying and treating waste water in order to obtain drinking water
03/26/2003EP1294646A2 Devices and method for production of traceable immunizing drinking water, other liquids and gas
03/26/2003EP1294645A1 Physico-chemical method for eliminating toxic and/or precious heavy metals contained in urban, industrial sludge and liquid animal manure
03/26/2003EP1294644A2 Water treatment compositions
03/26/2003EP1294643A1 Method and device for treating water with ballast injected in stilling zone
03/26/2003EP1294642A1 Method for treatment of water containing humic matter for the production of drinking water with enhanced coagulation stage using inorganics polymers of al and activated sio2
03/26/2003EP1294641A2 Controlled cooling of input water by dissociation of hydrate in an artificially pressurized assisted desalination fractionation apparatus
03/26/2003EP1294474A1 Method and device for the physicochemical treatment of fluid media
03/26/2003EP1294461A1 Device for purifying wastewater and method thereof
03/26/2003EP1229997B1 Process for removing and recovering of phenolic compounds from aqueous fluids
03/26/2003EP1218797B1 Method to extract silver from a photographic developer
03/26/2003EP1133346B1 A process for the recovery of iodine from aqueous solutions containing iodinated organic compounds
03/26/2003EP1034177B1 Process for producing halogen-containing phosphate ester
03/26/2003EP0946426B1 Water purifier for a spa
03/26/2003EP0869918B1 Water desalination
03/26/2003CN2541451Y Ozone water treatment
03/26/2003CN2541450Y Dual-pot circulation mixed ozone water treatment appts.
03/26/2003CN2541449Y Wall swimming pool water quality treatment equipment
03/26/2003CN2541448Y Strong magnetic central processor
03/26/2003CN2541447Y Water treatment appts.
03/26/2003CN2541446Y Siphon type water purifying and magnitizing appts.
03/26/2003CN2541445Y Filtering radio-frequency water treatment appts.
03/26/2003CN2541444Y Electrolytic wastewater processing machine in dual-purpose fluidized-fixed bed
03/26/2003CN2541443Y Swimming pool water circulating and purifying appts.
03/26/2003CN2541442Y Fiber filter
03/26/2003CN2541441Y Cyclone mixing reaction and clarifying pot
03/26/2003CN2541440Y Solar purified water water heater
03/26/2003CN2541439Y Alcohol effluent drying sucking machine
03/26/2003CN2541438Y Direct fired atmospheric sewage evaporator
03/26/2003CN2541437Y Convective circulating sewage evaporator
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