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
04/09/2003CN2544241Y Vortex type high-efficient descaler
04/09/2003CN2543999Y No negative pressure direct water drinking type water supply arrangement
04/09/2003CN2543950Y Thermal spring mineral material bag capable of producing H2 reduction water
04/09/2003CN2543949Y Soaking medium replaceable device for outlet of water heater
04/09/2003CN2543948Y Biological film ferrous and manganese removing water purifier
04/09/2003CN2543947Y Waste water treatment equipment
04/09/2003CN2543946Y Bathtub with waste water reuse
04/09/2003CN2543945Y Basin type integral shower room with waste water reuse
04/09/2003CN2543944Y Column type integral shower room with waste water reuse
04/09/2003CN1409611A Drinking element
04/09/2003CN1408944A Process for treating waste water of paper-making
04/09/2003CN1408652A Nitrogen treating method and nitrogen treating system
04/09/2003CN1408648A Method and apparatus for preparing flocculant
04/09/2003CN1408647A Process for producing fresh water by brine desalination
04/09/2003CN1408480A Method and device for separating impurites from suspension by floatation method
04/09/2003CN1408479A Method and device for fluid inflation
04/09/2003CN1408308A Electric heating and cooling drinking water machine with filter and constant water coutput device
04/09/2003CN1105083C Liquid purification apparatus
04/09/2003CN1105082C Method for reducing of preventing scaling
04/09/2003CN1104949C Hgdrogenation catalysts
04/09/2003CN1104937C Modular apparatus for demineralization of liquids
04/08/2003US6544487 Automatically dispenses controlled amounts of an aqueous solution of calcium hypochlorite for treatment of water systems
04/08/2003US6544427 Colloidal silver as bactericide sanitizes water supply lines, which may be heated without increasing microbial growth
04/08/2003US6544426 Mixed oxide catalysts
04/08/2003US6544425 Method for dewatering coal tailings and slurries and removing contaminants therefrom
04/08/2003US6544422 Method of making a composition for separating and concentrating certain ions from mixed ion solutions
04/08/2003US6544419 Reacting an polyamino resin with organosilicon compound
04/08/2003US6544416 Systems and methods for separating solids from a fluid environment
04/08/2003US6544415 Dispersal valve with nesting canisters
04/08/2003US6544414 Erosion feeder atmosphere stabilizer and method
04/08/2003US6544401 Biomimetic water solutions and compositions, their use as and in health and beauty care products and the methods to prepare them
04/08/2003US6543753 Air diffuser membrane treated with biocide
04/08/2003CA2317033C Arsenic filtering media
04/08/2003CA2152570C Floating adjustable pool chlorinator
04/08/2003CA2009143C Method of processing acidic fe-containing solutions
04/03/2003WO2003027029A1 Method and apparatus for the destruction of dyes and other organic molecules
04/03/2003WO2003027027A1 System and method for sterilization of a liquid
04/03/2003WO2003027026A2 Filter device with a uvc lamp and a cleaning arrangement for said uvc lamp
04/03/2003WO2003027025A1 Apparatus and method for eliminating dissolved solids and suspended solides of wastewater by micro bubble
04/03/2003WO2003027024A1 Installation for the desalination or purification of raw water by means of distillation
04/03/2003WO2003027023A1 System for water dispenser disinfection by integral heating, corresponding method, device and fountains
04/03/2003WO2003027022A2 Wastewater treatment system
04/03/2003WO2003027021A2 Fluid treatment apparatus comprising doped semiconductor material
04/03/2003WO2003026771A1 Arsenic removal from aqueous media using chemically treated zeolite materials
04/03/2003WO2003026768A2 Method and apparatus for processing wet material
04/03/2003WO2003012253A3 Method of controlling asphaltene precipitation in a fluid
04/03/2003WO2003008079A3 Metal oxide films
04/03/2003WO2002079094A3 Ultraviolet water treatment apparatus with moveable vortex generator
04/03/2003WO2002024579A9 Method and apparatus for treating wastewater
04/03/2003US20030065296 Absorbent material of water absorbent polymer, thermoplastic polymer, and water and method for making same
04/03/2003US20030065237 Polluted soil remediation apparatus and pollutant degrading apparatus
04/03/2003US20030064163 Spray-coating article with aqueous paint in a coating booth, recovering over-spray paint;carrying out spray-coating; separating the content with a ultrafiltration device; storage in recovering tank for reuse
04/03/2003US20030064044 For use in hair or skin care product, such as a shampoo, conditioner, shower gel, bar soap, styling product, or rinse, or a skin care product, such as a cleanser, lotion, or cream
04/03/2003US20030063430 Deionizers with energy recovery
04/03/2003US20030062323 Method and apparatus for desalinating and concentrating sea water, desalinated deep water and concentrated deep water
04/03/2003US20030062322 Method for reducing hydrogen sulfide emissions from wastewater
04/03/2003US20030062321 Temperature does not affect performance in nitrogen removal.
04/03/2003US20030062320 Solar desalinazation plant comprising coated transparent formed bodies
04/03/2003US20030062319 Method and apparatus for remediating wastewater holding areas and the like
04/03/2003US20030062313 Method of improving the quality of liquid and its device
04/03/2003US20030062312 Method of heat treating carbonaceous material to enhance its adsorption of taste-and-odor-causing and other organic compounds from water
04/03/2003US20030062311 Within a porous polyolefinic material.
04/03/2003US20030062307 Using diffusers to force circulation and aerate a digesting lagoon. Several lagoons may be used in series to treat raw animal waste and different variations may be employed to successively digest raw waste.
04/03/2003US20030062300 Water purifier
04/03/2003US20030062296 Accessible well for brine tank
04/03/2003US20030062267 Structured such that a tubular-shaped ferrite anode and a cathode are arranged alternately in a concentric manner and integrated with a pressurizable solution containing halogen ions and a power control apparatus; one hand operation
04/03/2003US20030062068 Improvement in removing contaminants from the surface of the wafer without damaging an insulating layer or a metal layer exposed at the surface of the wafer.
04/03/2003DE20219705U1 Drinking water treated by cascading through combination of magnetic rings and crystal-lined chambers
04/03/2003CA2500184A1 System for water dispenser disinfection by integral heating, corresponding method, device and fountains
04/03/2003CA2461728A1 Arsenic removal from aqueous media using chemically treated zeolite materials
04/03/2003CA2461582A1 Filter device with a uvc lamp and a cleaning arrangement for said uvc lamp
04/03/2003CA2453228A1 Wastewater treatment system
04/03/2003CA2359232A1 Caps/seal.vent/bobber
04/02/2003WO2003013233A1 External type filtration device
04/02/2003EP1298677A2 A method of decontaminating by ozone and a device therefor
04/02/2003EP1298231A1 Apparatus for carrying out an electrolytic process on a hologenide compound
04/02/2003EP1298093A1 Water treating method, water treating apparatus, and hydroponic system using the same
04/02/2003EP1297877A2 Apparatus for treating polluted water
04/02/2003EP1297039A1 Structurally-modified polymer flocculants
04/02/2003EP1297019A1 Paper-making or non paper-making use of a starchy composition containing a selected cationic starch material
04/02/2003EP1296895A2 Water processing unit
04/02/2003EP1296771A2 Dual-cell mechanical flotation system
04/02/2003EP1296760A1 Carboxylate-containing photocatalytic body, manufacture and use thereof
04/02/2003EP1210298B1 System for operation of multiple membrane filtration assemblies
04/02/2003EP1202784B1 Method and device for treating liquid wastes
04/02/2003EP1102724B1 Method and installation for treating waste water from oil seed and cereal processing
04/02/2003EP1091909B1 Method for absorbing heavy metals
04/02/2003EP0910594B1 Process for the preparation of aqueous dispersion polymers
04/02/2003EP0888246B1 Flotation apparatus and process
04/02/2003EP0714424B1 Water-dilutable stone impact protection paint and compensation paint, their use and processes for their production
04/02/2003CN2542756Y Automatic flushing device with ozone device
04/02/2003CN2542656Y Continuous or discontinuous running internal electrolytic device for treatment for sewage
04/02/2003CN2542655Y Cation and anion exchange resin for mixing bed
04/02/2003CN2542654Y Rotary regulating weir crest
04/02/2003CN2542335Y Magnetic shower head for bathing device
04/02/2003CN1408061A On line device for predicting at least one fluid flow parameter in process
04/02/2003CN1408037A Electrochemical reduction for reducible dyes
04/02/2003CN1407994A Method for making hydrophobically associative polymers, method of use and compositions
04/02/2003CN1407951A Device and method for treating water with ozone generated by water electrolysis
04/02/2003CN1407911A Improved membrane filtration
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