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)
10/2000
10/17/2000US6132750 Particles of cross-linked proteins and polysaccharides with hydroxamic groups for chelating metals and their uses notably in cosmetics
10/17/2000US6132630 Methods for wastewater treatment
10/17/2000US6132629 Sterilizing food and medical equipment
10/17/2000US6132628 Mixing hypochlorite and ammonium salt other than ammonium bromide; dilution, synchronously metering; continuous injection
10/17/2000US6132627 Electrolysis of chlorine compound to hypochlorite; oxidizing nitrogen compounds; catalysis using metal peroxide
10/17/2000US6132625 Method for treatment of aqueous streams comprising biosolids
10/17/2000US6132624 Method for treating waste water
10/17/2000US6132623 Immobilization of inorganic arsenic species using iron
10/17/2000US6132622 Filtration through device containing cycloolefin copolymer with acyclic unsaturated monomer
10/17/2000US6132620 Filter; pneumatic pump
10/17/2000US6132614 Modular wastewater treatment system
10/17/2000US6132613 Centrifugal reverse-osmosis desalination unit incorporating an annular membrane cartridge
10/17/2000US6132612 Cationic exchanger bed absorber; water treatment
10/17/2000US6132611 Dynamic action filtration system
10/17/2000US6132600 Filtration and treatment system
10/17/2000US6132591 Method for removal of sulfate groups and chlorate groups from brine
10/17/2000US6132572 Comprising an elecrolyzer, anode and cathode units
10/17/2000US6132561 Contacting a contaminated soil sample with an extraction medium of a mixture of an alkane and a water miscible alcohol, thereafter subjecting the extraction medium containing the halogenated organic contaminants to ionizing radiation to
10/17/2000CA2198181C Rotary disk control valve for a water conditioning system
10/17/2000CA2134905C Silicon polyelectrolytes for pitch deposit control
10/17/2000CA2098288C Distillation apparatus
10/17/2000CA2074947C Process for oxidation of materials in water at supercritical temperatures
10/12/2000WO2000060290A1 Ice-maker treatment system
10/12/2000WO2000059836A1 Use of an acrylic polymer or functionalized silica support in supported catalysis
10/12/2000WO2000059835A1 Fluid treatment system
10/12/2000WO2000059834A1 Methods for inhibiting the production of slime in aqueous systems
10/12/2000WO2000059833A1 Method for electrochemical treatment of effluents, especially effluents from leather tanneries, comprising chromium salts
10/12/2000WO2000059832A1 Distilling device
10/12/2000WO2000059615A1 Water dispensing apparatus with filter integrity testing system
10/12/2000WO2000059612A1 Seawater pressure-driven desalinization apparatus and method with gravity-driven brine return
10/12/2000WO2000059605A1 Device for cleaning a fluid in the form of a vapor from a circuit
10/12/2000WO2000015565A3 Fluidized radial flow bioreactor utilizing pellet media
10/12/2000DE19915933A1 Potable water filter through which the water passes vertically upwards under gravity
10/12/2000DE19915818A1 Desalination of seawater by solar energy using modular vessels in series
10/12/2000DE19914277A1 Registering classes of system- or process states influencing later processes, employs multi-sensor array in adaptive learning process using neural network or fuzzy logic to define state vectors and classes
10/12/2000CA2368208A1 Water dispensing apparatus with filter integrity testing system
10/12/2000CA2365356A1 Ice-maker treatment system
10/11/2000EP1043408A2 Processes and apparatus for recovery and removal of copper from fluids
10/11/2000EP1043276A1 Apparatus and method for treating water
10/11/2000EP1042572A1 Spa chemistry monitor unit
10/11/2000EP1042503A1 Method of detecting mutant dna by mipc and pcr
10/11/2000EP1042237A1 A method and a system for purifying water
10/11/2000EP1042235A1 Method for improving the biological properties of aqueous liquids and edible oils and for improving combustion
10/11/2000EP1042234A1 Chemical feeder
10/11/2000EP1042233A1 METHOD AND APPARATUS FOR ADJUSTING THE pH OF A LIQUID
10/11/2000EP1042232A1 Apparatus and method for constant flow oxidizing of organic materials
10/11/2000EP1042231A1 Process for removing silica from wastewater
10/11/2000EP1042230A1 Apparatus and process for water treatment
10/11/2000EP1042229A1 Flotation reactor and method for flotation
10/11/2000EP1042228A1 Method and apparatus for treating liquids and slurries
10/11/2000EP1042053A1 Deionization apparatus having non-sacrificial electrodes of different types
10/11/2000EP1042008A1 Multi-compartment plastic woven mesh dry chemistry container
10/11/2000EP1042006A2 A method for disinfecting liquids and gases and devices for use thereof
10/11/2000EP1041885A1 Biocidal compositions and treatments
10/11/2000EP1041879A1 Disinfectant and method of making
10/11/2000EP0797544B1 Process and article for disinfecting water
10/11/2000CN2400436Y Ozone and water preparing machine
10/11/2000CN2400435Y Improved combined water-filtering tank
10/11/2000CN2400434Y High-pressure electrostatic descaling device for turbine condenser
10/11/2000CN2400433Y Large electronic equipment for treatment of water
10/11/2000CN2400399Y Multi-purpose closed drinking water fountain and combined liquid-storage barrel
10/11/2000CN2400024Y Electrolytic health cup capable of generating microelement
10/11/2000CN1269333A Ionic water magnetizing equipment utilizing rare earth magnetic materials
10/11/2000CN1269330A Water purifying apparatus and method thereof
10/11/2000CN1269329A Dilute salt solution
10/11/2000CN1269328A Low-voltage and high-frequency electric field waste water treating technology
10/11/2000CN1057329C Method for removing calcium ions in water solution through ion exchanger
10/11/2000CN1057282C Sewage treatment agent and its preparing method
10/11/2000CN1057280C Shaft water-collecting-returning type oxidation pond-land percolation field
10/11/2000CN1057279C Method for comprehensive treatment and utilization of waste liquid, solid and gas from paper-making mill
10/10/2000US6130303 Useful in solid-liquid separation applications, such as in flocculation of various dispersions of suspended solids, such as sewage sludge, and in thickening of cellulosic paper suspension
10/10/2000US6129926 Flash flow processing of thermoplastic polymers and products made therefrom
10/10/2000US6129893 Method for preventing replication in Cryptosporidium parvum using ultraviolet light
10/10/2000US6129850 Comprising an ozone generator to purify the water in the tub, the generator including a chip electrode assembly that produces ozone from atmospheric air using electric discharge, and a transfer assembly to pass ozone to the water in tub
10/10/2000US6129849 Process for accelerating reaction of ozone with AM catalyst
10/10/2000US6129846 Activated carbon composite with crystalline tin silicate
10/10/2000US6129845 Photo-oxidation device of a water treatment system photo-oxidizes organic material such as aromatic organic material, in the water to facilitate its removal from the water
10/10/2000US6129841 Portable water treatment assembly
10/10/2000US6129098 Apparatus for injecting constant quantitative chemicals and a method thereof
10/10/2000CA2129489C Method and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocide
10/10/2000CA2102432C Divalent silver oxide bactericides
10/10/2000CA2075511C Degradation of pesticides by ferric reagents
10/05/2000WO2000058532A1 Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control
10/05/2000WO2000058228A1 Rust and scale removal composition and process
10/05/2000WO2000058226A1 An apparatus for treatment of waste water
10/05/2000WO2000058225A1 Extraction of metal salts from aqueous solutions
10/05/2000WO2000058224A1 Reactor for cleaning and disinfection of aquatic media
10/05/2000WO2000058223A1 Water treatment apparatus
10/05/2000WO2000058222A1 Water filter cartridge
10/05/2000WO2000057986A1 Alternate sanitizer for sand filter
10/05/2000WO2000057985A1 Filter device
10/05/2000WO2000057928A1 Method and apparatus for sterilising a heat sensitive fluid
10/05/2000WO2000057927A1 Method and device for sterilizing and dispensing a liquid for medical purposes
10/05/2000WO2000057926A1 Method and device for sterilizing and dispensing a liquid for medical purposes
10/05/2000WO2000057925A1 Method and device for sterilising and dispensing a liquid for medical use
10/05/2000WO2000028043A3 Polypeptides having lactonohydrolase activity and nucleic acids encoding same
10/05/2000WO2000006502A9 Process for removal and stabilization of arsenic and selenium from aqueous streams and slurries
10/05/2000DE19916396A1 In-situ microbial decontamination of water, e.g. ground water, contaminated with chlorohydrocarbons uses added iron granulate with specified bulk density for evolution of hydrogen
10/05/2000DE19915177A1 Fibrous structure, e.g. paper, containing active agents for liquid treatment, useful e.g. in food processing or in softening or purifying water
10/05/2000DE19915086A1 Condensate drain for roof mounted HVAC units
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