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
05/21/2003EP1311331A2 Method and installation for continuous crystallization of liquids by freezing
05/21/2003EP1311203A1 Device for feeding a treatment liquid to medical appliances
05/21/2003EP1202935B1 Method and apparatus for removing oil from water including monitoring of adsorbent saturation
05/21/2003EP1100612B1 Method and device for removing nitrogen oxides from exhaust gases
05/21/2003EP0876209B1 Heavy metal removal agent containing a sulphur compound
05/21/2003EP0804877B1 Antimicrobial solid material, process for producing the same, and method of utilizing the same
05/21/2003CN2551644Y Residue precipitation tank structure for finishing agent type sewage treater
05/21/2003CN2551643Y Water intake and residue precipitation structure of flocculation tank for finishing agent type sewage treater
05/21/2003CN2551642Y Sewage rolling tank structure for use in sewage treater
05/21/2003CN2551641Y Fully-automatic water purifier
05/21/2003CN2551640Y Electric magnetic water generator
05/21/2003CN2551639Y Ultrasonic active carbon regenerating adsorbing device
05/21/2003CN2551638Y Quantitative chemical adding device
05/21/2003CN2551637Y Automatic pulsating vitriol adding device
05/21/2003CN2551636Y Sewage filtering purifying tank
05/21/2003CN1418826A Method for treatment of polluted ground water by using polyacrylamide
05/21/2003CN1418825A High efficiency algae flooculation agent, method for treating red tide and plakton bloom using same
05/21/2003CN1418824A High-efficiency, circulation flow jetting and air dissolved in water type flotation method, and equipment therefor
05/21/2003CN1418722A Preposition micro-filtration reverse osmosis pretreatment method
05/21/2003CN1418712A Method for treating disgradation objective material
05/21/2003CN1108995C Method for treating dross and greasy dirt
05/21/2003CN1108994C Product for bactericidal treatment of fluid
05/21/2003CN1108993C Facility for desalinating or purifying sea water or brackish water by means of solar energy
05/21/2003CN1108838C Material treatment
05/20/2003US6566139 Method of enhancing the fluorescent signal of a fluorescent oxygen scavenger
05/20/2003US6565893 Process for preparing a disinfectant containing suspended metals
05/20/2003US6565868 Methods for microbiological control in aqueous systems
05/20/2003US6565803 Antiprotozoa agent; drinking water
05/20/2003US6565757 UV radiation device, especially for disinfecting liquids with reduced UV transmission
05/20/2003US6565756 Method for the conditioning of phosphoric acid
05/20/2003US6565755 Sludge density measurement for controlling a sludge treatment stage
05/20/2003US6565749 Microorganism filter and method for removing microorganism from water
05/20/2003US6565744 Waste water cleaning system
05/20/2003US6565743 Portable purification container with cumulative use indicator
05/20/2003US6565736 Supplying deionized water into an anode cell and a cathode cell of a 3-cell electrolyzer; filling intermediate cell with an electrolytic aqueous solution to perform electrolysis, cells of electrolyzer are divided by ion exchange membranes
05/20/2003US6565726 Electrodeionization apparatus and method of operating the same
05/20/2003US6565725 Electrolysis
05/20/2003US6565715 Distillation, cooling, hydration; dissociation
05/20/2003CA2254980C Process for effecting microbial control and reducing slime growth on hard surfaces in food processing equipment using inline ozonation
05/20/2003CA2251095C Portable/potable water recovery and dispensing apparatus
05/15/2003WO2003040876A2 Regulatory compliance system and method
05/15/2003WO2003040240A1 Method of reducing the organic carbon content of production waste water in the course of the preparation of concentrated solutions of anionic organic compounds
05/15/2003WO2003040046A1 Coolant treatment formulation
05/15/2003WO2003040045A1 Method for treating cyanide waste liquid
05/15/2003WO2003040043A1 Water treatment process and apparatus
05/15/2003WO2003040042A1 Apparatus and method for producing purified water having high microbiological purity by using a reverse osmosis membrane assembly
05/15/2003WO2003040041A1 Ultraviolet ray irradiation device and operation method thereof
05/15/2003WO2003040040A2 Device for recovering drinking water from condensate as well as a method and a deep-drawing die for production of said device
05/15/2003WO2003040039A1 An ultra-efficient and instantaneously vaporizing device for desalinating seawater
05/15/2003WO2003040038A2 Method and apparatus for purifying water
05/15/2003WO2003040032A1 Faucet direct-connection type ozone apparatus, ozone generator and ozone melter for ozone apparatus
05/15/2003WO2003039720A1 Hollow fiber membrane module
05/15/2003WO2003039714A1 Methods of using modified natural products as dewatering aids for fine particles
05/15/2003WO2003039708A1 Branched flow filtration and system
05/15/2003WO2003039604A2 Ultraviolet disinfecting apparatus
05/15/2003WO2003039549A2 Selective antibacterial agents
05/15/2003WO2003031730A8 Liquid purifying apparatus
05/15/2003WO2003026768A3 Method and apparatus for processing wet material
05/15/2003WO2002083073A3 Cosmetic compositions containing water-soluble polymer complexes
05/15/2003US20030092876 Solar dew tube
05/15/2003US20030092583 In situ stablization of persistent hydrophobic organic contaminants in sediments using coal-and wood derived carbon sorbents
05/15/2003US20030092167 Method and apparatus for decomposition of oil
05/15/2003US20030091469 Water treating method and water treating system
05/15/2003US20030089671 Process for treating acidic and metallic waste water
05/15/2003US20030089670 Flow tube acts a fluid filled light guide for the ultraviolet radiation and the radiation propagates through the flow tube by total internal reflection
05/15/2003US20030089668 Adjusting pH by adding a calcium compound, adding zinc or manganese ions, adding an anionic inorganic colloid and a flocculant
05/15/2003US20030089667 Adding reagents to the waste water to coagulate pullutants and separating
05/15/2003US20030089666 Ethyleneglycol-bis-( beta -aminoethylether)-N,N,N,N'-tetra acetic acid (egta); removing, separating, and/or concentrating divalent metal ions in solution from other ions
05/15/2003US20030089665 Arsenic removal media
05/15/2003US20030089661 Treatment of polyaluminium compounds
05/15/2003US20030089652 Road surface waste water treatment device and tubular water treatment unit
05/15/2003US20030089651 Water system for bacteria control
05/15/2003US20030089647 Filtration device
05/15/2003US20030089622 The anode includes an active material stable at acid pH and at high electrical potential and selectively degrades organic compounds by electrochemical oxidation; the separator allowspreferentially passage of protons over other ions;
05/15/2003US20030089619 Process and apparatus for recovery of cyanide and metals
05/15/2003US20030089618 Reducing electrolyzed water and method for producing same
05/15/2003US20030089609 Apparatus for fluid purification and methods of manufacture and use thereof
05/15/2003US20030089599 Electrolysis cells
05/15/2003US20030089594 Degrading trichloroethylene via combining with chlorine gas and irradiating with light; electrolysis; for soil recovery; pollution control
05/15/2003US20030089590 Water distillation system
05/15/2003US20030089151 Heating and drying to form stable, granular bio-mineral product for use as fertilizer, soil amendment, or as soil substitute
05/15/2003CA2466673A1 Device for recovering drinking water from condensate as well as a method and a deep-drawing die for production of said device
05/15/2003CA2465526A1 Regulatory compliance system and method
05/15/2003CA2464757A1 Selective antibacterial agents
05/14/2003EP1310581A2 Process for the treatment of waste water containing acids and metals
05/14/2003EP1310462A1 Water purification system and method
05/14/2003EP1310461A1 Method for treating organic waste water
05/14/2003EP1310460A2 Device and process for liquid treatment
05/14/2003EP1310291A1 Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter
05/14/2003EP1310286A1 Process for treating liquids and apparatus for realizing the process
05/14/2003EP1310274A1 Method of treating substance to be degraded and its apparatus
05/14/2003EP1309519A2 Under the counter water treatment system
05/14/2003EP1309517A1 Method for purifying waste water, and purification plant for carrying out said method
05/14/2003EP1309516A1 Method for manufacturing ceramic balls for water treatment
05/14/2003EP1309515A1 A process for producing ozone-containing sterilizing water and an apparatus used therefor
05/14/2003EP1309392A1 Method for metal recovery from aqueous solutions
05/14/2003EP1309357A1 Method and device for simultaneous sanitary treatment of a fluid and its distribution network
05/14/2003EP1292372A4 Electrostatic enhancement for membrane-separation systems
05/14/2003EP1200362B1 Method and device for the purification of wastewaters
05/14/2003EP1196067B1 Device for sterilising aqueous media
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