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)
03/1999
03/18/1999WO1998058075A3 Homoserine lactones biofilm regulating compounds and their methods of use
03/18/1999DE19752071A1 Shower installation for sanitary and therapeutic purposes
03/18/1999DE19740642A1 Process for rendering grey water fit for re-use
03/18/1999DE19740615A1 Water, waste liquor or acid ground water purification by precipitating sulfate
03/18/1999DE19740311A1 Solar powered self-propelled floating body
03/18/1999DE19740061A1 Process for treating grey water, especially bath water
03/18/1999DE19739629A1 Two modules containing rare earth permanent magnets positioned on a fuel tube
03/17/1999EP0902444A1 Devices for magnetically treating liquid or gaseous media and applications using the same
03/17/1999EP0901988A1 Process for treating circulating water from spray booths using liquid washing
03/17/1999EP0901987A2 Method for improving water quality of lake or the like and water quality improving shading means used therefor
03/17/1999EP0901805A1 Process for treating water for removal of oil and water-soluble petroleum oil components
03/17/1999EP0836553A4 Composite particulate material and process for preparing same
03/17/1999EP0807089B1 Centrifuge for thickening waste water sludge
03/17/1999CN2310763Y Ozone disinfecting device for waterers
03/17/1999CN2310762Y Multifunctional domestic water purifier
03/17/1999CN2310761Y Sugar-beet conveying and washing sewage treating apparatus for sugar refinery
03/17/1999CN2310760Y Kitchen waste water purifying box
03/17/1999CN2310610Y Filtering hair ball for water treatment
03/17/1999CN1210822A Iodine-containing drinking water
03/17/1999CN1210821A Zinc-containing drinking water
03/17/1999CN1210820A Method of treating waste water to remove harmful ion by coagulating sedimentation
03/17/1999CN1210819A Compound demulsifying flocculant
03/17/1999CN1210818A Poly ferric silicon type compound inorganic high molecular flocculant and its preparing method
03/17/1999CN1210817A Multipolar-type electrolytic bath and apparatus for purifying waste and contaminated water using the same
03/17/1999CN1210816A Detecting method of anion-cation resin trausport interface for fine treatment of condensed water
03/17/1999CN1210815A Purifying apparatus for water area
03/17/1999CN1210754A Alginate gel based adsorbents for heavy metal removal
03/16/1999US5883181 Flocculation, inverse microemulsion
03/16/1999US5882592 Method for processing water-bound waste
03/16/1999US5882588 Process for disinfecting hot water supply systems
03/16/1999US5882526 Water treatment with halogen oxidizers and erosion control agents
03/16/1999US5882525 Method for treating suspended solids
03/16/1999US5882513 Aeration, flocculation
03/16/1999US5882512 Automatic swimming pool cleaners and associated components and systems
03/16/1999US5882509 Chip-washing arrangement
03/16/1999US5882507 Water filter cartridge end-of-life mechanism
03/16/1999US5882146 Immobilization of materials
03/16/1999US5881913 Contamination proof purified water dispenser
03/16/1999US5881475 Non-draining type human waste disposal method by pulse combustion drying
03/16/1999CA2093016C Modular oxidation chamber
03/16/1999CA2023735C Compositions and process for removing toxic resin acids and derivatives from effluent
03/15/1999CA2246169A1 Process for treating water for removal of oil and water-soluble petroleum oil components
03/11/1999WO1999011840A1 Apparatus for obtaining the anodic oxidation products of a solution of alkaline or alkaline-earth metal chlorides
03/11/1999WO1999011745A1 Cleaning and water treatment process
03/11/1999WO1999011578A1 Performance-based control system
03/11/1999WO1999011577A1 Electrochemical precipitation of metals, method and apparatus
03/11/1999WO1999011576A1 Device and method for optimizing photochemical treatment of materials
03/11/1999WO1999011360A1 Desalting apparatus for the desalting of water by reverse osmosis through pressurised chambers with suspension piston and system for detecting the piston position
03/11/1999WO1999011352A1 Mixing apparatus
03/11/1999WO1999011350A1 Bifunctional anion-exchange resins with improved selectivity and exchange kinetics
03/11/1999WO1998047594A3 Use of aerogels as adsorption agents
03/11/1999DE19834916A1 Filter paper for water purification
03/10/1999EP0900766A1 Fluid purifying apparatus
03/10/1999EP0900765A2 Device for water softening
03/10/1999EP0900764A1 Water purifying method and device utilizing fluid physical property changes at active carbon interface by a dynamo-electric phenomenon
03/10/1999EP0900177A1 Ultraviolet light irradiated ebullating mass transfer system
03/10/1999EP0900176A1 Electrolytic process and apparatus for controlled oxidation/reduction in aqueous solutions
03/10/1999EP0900175A1 Apparatus and method for treating storm water runoff
03/10/1999EP0900174A2 Water treatment device with fill-counting cartridge
03/10/1999EP0760718B1 Apparatus for the decontamination of heavy metals containing soil
03/10/1999EP0649338B1 Device for introducing a gas into a liquid
03/10/1999EP0646051B1 Treatment of waste materials for disposal
03/10/1999CN2310069Y Water purifier
03/10/1999CN2310068Y Water-purifier for travelling-cup
03/10/1999CN2310065Y High-frequency electronic water treatment apparatus
03/10/1999CN2310064Y Purifier for vertical flow inclined pipe suspension defeation tank
03/10/1999CN2310063Y Water filter for washing and shower
03/10/1999CN2310042Y Drinking-water machine
03/10/1999CN1210504A Process and plant for sewage treatment
03/10/1999CN1210476A Modular apparatus for demineralization of liquids
03/10/1999CN1210143A Process and apparatus for treating wine porcelain
03/10/1999CN1210093A Closed circulation treatment of waste water and gases in papermaking plants
03/10/1999CN1210092A Water treatment process by jet gas soluted floatation
03/10/1999CN1209949A Insoluble polymer bactericidal agent and preparation thereof
03/10/1999CN1042446C Composition and method for scavenging oxyen
03/09/1999US5880061 Active carbon and method for its production
03/09/1999US5880048 Granular ceramic for water deoxidization and method of producing the same
03/09/1999US5879651 Mixing basic compound of alkali metal with basic compound or halide of alkaline earth metal, sulfate ions, basic solution of aluminum chloride, cooking for time to produce desired product
03/09/1999US5879639 Wet flue gas desulfurization system
03/09/1999US5879623 Methods and compositions for controlling biofouling using fluorosurfactants
03/09/1999US5879565 Treating filtered fluid with a fluidized redox media in a treatment bed
03/09/1999US5879564 High performance polymer flocculating agents
03/09/1999US5879560 Removing particulates trapped in filter media allowing the filter cartridge to remain in service
03/09/1999US5879555 Electrochemical treatment of materials
03/09/1999US5879548 Method and apparatus for collecting a substance
03/09/1999US5879546 Neutralization, precipitation, pre-filtration, electrocoagulation and final filtration
03/09/1999CA2141612C Improvement to membrane type deaerator
03/09/1999CA2065479C Ferrous dithionite process and compositions for removing heavy metals from water
03/04/1999WO1999010286A1 Electrolytic cell and electrolyzed water generating device
03/04/1999WO1999010285A1 Treatment of liquid waste
03/04/1999WO1999010284A1 Method of treating the circulation water from wet-wash spray booths
03/04/1999WO1999010283A1 Device for degerminating and filtering water passing through a sanitary device
03/04/1999WO1999010282A1 Device for degerminating water passing through a sanitary device
03/04/1999WO1999010281A1 Device for degerminating water passing through a sanitary device
03/04/1999WO1999010280A1 Device for degerminating water passing through a sanitary device
03/04/1999WO1999010279A1 Device for sterilizing and filtering water which flows through a sanitary device
03/04/1999WO1999010090A1 Polyion complex separation membrane with a double structure
03/04/1999WO1999010076A1 Gravity-flow filtration cartridge for the removal of microorganisms and/or other contaminants
03/04/1999WO1999010071A1 Method and plant for treating water incorporating a sedimentation tank and an multilayer filter operating at high speeds
03/04/1999WO1999010069A1 Water purification system with indicating flowmeter
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