Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
08/2002
08/01/2002US20020100718 Introducing waste water into anaerobic tank and aerobic tank, comprising calcium carbonate mineral placed in anaerobic tank; biologically treated water of another system introduced into aerobic tank; calcium carbonate mineral placed in aerobic tank
08/01/2002US20020100716 Constant pressure filtered water delivery system
08/01/2002US20020100715 Microbial resistant water purification and collection system
08/01/2002US20020100679 For irradiation of treated waste water
08/01/2002DE10136961A1 Vorrichtung zur Behandlung und Aufbereitung von Wasser mit einem Drahtkörper Apparatus for treatment and treatment of water with a wire body
08/01/2002DE10104259A1 Bindemittel Binder
08/01/2002DE10102700A1 Verfahren zur Reinigung ölhaltiger Abwässer Methods for cleaning oily wastewater
08/01/2002DE10047958C2 Flotationsvorrichtung The flotation device
08/01/2002CA2433142A1 Activated water apparatus and methods
07/2002
07/31/2002EP1227065A2 Method of removing exogenous endocrine-disrupting chemical in water
07/31/2002EP1226882A1 Method for decomposing refractory hazardous substance and decomposing agent
07/31/2002EP1226095A1 Method for eliminating organic material resistant to biological treatment
07/31/2002EP1226094A1 Device for electrolysis
07/31/2002EP1226092A1 Process for removing selenium and mercury from aqueous solutions
07/31/2002EP1225979A1 Water softening method and apparatus for use therewith
07/31/2002EP1225973A2 Single stage denitration
07/31/2002EP1159048A4 Water-cooled distilling apparatus
07/31/2002EP1042234B1 Chemical feeder
07/31/2002EP1019192B1 Use of anion-exchanging minerals, that reversibly bind no3-
07/31/2002EP0985003B1 Agents for unsticking paint, and sedimentation agents
07/31/2002EP0873278B1 Method for adding oxygen to water
07/31/2002EP0837726B1 Filter assembly with valve head and cartridge
07/31/2002CN2503063Y By-pass flow electronic water treatment apparatus
07/31/2002CN2503062Y Magnetic water purifier
07/31/2002CN2503061Y Automatic water softening apparatus
07/31/2002CN2503060Y Treatment device for separating oil from water
07/31/2002CN2503059Y Self-cleaning-type water treatment device with ultra-violet light
07/31/2002CN2503058Y Secondary used device for domestic sewage
07/31/2002CN1361752A Process for flocculating suspensions
07/31/2002CN1361751A Method for recovering fluorinated emulsifiers from aqueous phases
07/31/2002CN1361200A Prepn of polyacrylate flocculant
07/31/2002CN1361070A Double chamber bed with floating chamber and full chamber
07/31/2002CN1361069A Stepped regeneration process of sulfuric acid after water desalting treatment
07/31/2002CN1361068A Dephenolization process of alkali oil-refining waste water
07/31/2002CN1361067A Efficient sea water desalting equipment
07/31/2002CN1360978A Renewable resources treatment apparatus for waste electric appliances
07/30/2002US6426383 Preparation of water soluble polymer dispersions from vinylamide monomers
07/30/2002US6426066 Use of physiologically balanced, ionized, acidic solution in wound healing
07/30/2002US6426056 Apparatus and method for preparation of a peritoneal dialysis solution
07/30/2002US6426010 Axial positioning of intakes, discharging; cylinder shape
07/30/2002US6426008 Method for reducing metal ion concentration in brine solution
07/30/2002US6426007 Removal of soluble metals in waste water from aqueous cleaning and etching processes
07/30/2002US6426005 Sequential descending bed filters with reject/washwater containing impurities being fed to a separate unit for elimination of impurities
07/30/2002US6425999 Warm/cold double-circulation water filter system and swimming pool arrangement
07/30/2002US6425974 Process for treating wastewater from a bleach plant
07/30/2002CA2265728C Treatment of chlorine dioxide generator effluent and feed streams with fixed-resin bed
07/30/2002CA2089616C Engine and radiator coolant treatment and handling, enabling coolant reuse
07/30/2002CA2070933C Granular media regeneration apparatus and process
07/25/2002WO2002057190A1 Apparatus and methods for separating liquids from solids
07/25/2002WO2002057188A1 Aluminium chloride containing compositions
07/25/2002WO2002057187A1 Magnetic device for the treatment of fluids
07/25/2002WO2002056996A1 Filter
07/25/2002WO2002056995A1 Water filter
07/25/2002WO2002056994A1 Device for purifying wastewater and method thereof
07/25/2002WO2002056990A1 Apparatus and method for water purification using solar energy
07/25/2002WO2002040405A3 Treatment of nickel-containing waste water on phosphating
07/25/2002WO2002005942A3 Process for high shear gas-liquid reactions
07/25/2002WO2001096511A3 Coating compositions for modifying hard surfaces
07/25/2002WO2001009041A9 System for protection of building water supplies against chemical and biological warfare agents
07/25/2002US20020098979 Method of controlling zoological and aquatic plant growth
07/25/2002US20020098978 Method of controlling zoological and aquatic plant growth
07/25/2002US20020098263 5 ounces each in the morning and evening; safe to be taken with (non) prescription drugs; no side effects
07/25/2002US20020096648 Apparatus for irradiating liquids
07/25/2002US20020096479 Spraying contaminated soil with water, collecting water bearing contaminants, adding photocatalytic slurry to water bearing contaminants, exposing to electromagnetic radiation
07/25/2002US20020096478 Treatment operating variable are optimized through statistical methods on experimental designs; papermaking
07/25/2002US20020096477 Process for treating liquid manure
07/25/2002US20020096475 Flotation device
07/25/2002US20020096473 Pretreating potato wastewater stream including suspended and dissolved solids with an alpha amylase enzyme to hydrolyze starch in wastewater, ultrafiltering enzyme-treated wastewater to remove suspended solids, reverse osmosis filtering
07/25/2002US20020096472 Adjusting pH of wastewater to near neutral pH, initiating bioactivity by addition of bioreactor waste-activated sludge to create a reaction with selected microorganisms in wastewater, aerating, aerobically reacting residue
07/25/2002US20020096471 Enclosed space containing liquefied digestible biomass, space above liquor filled with vapor and gaseous products of digestion, means for creating vacuum to produce liquid vapor, means for removing gaseous products; self powered
07/25/2002US20020096463 Apparatus for directing fluids through a filter system
07/25/2002US20020096456 Wastewater treatment system using cavitating waterjet
07/25/2002US20020096437 Electrolyzed the water by a direct voltage applied between anode and cathode plates to form hydrogen bubbles which adhere to the metal hydroxide and float or settle; oil in water emulsions as cutting oils; cleaning; decontamination; reuse
07/25/2002DE10201916A1 Apparatus for separating floating material and sediment from effluent comprises tank with inlet and outlet pipe which feed tangentially into tank, concentric tube being fitted in tank whose top is above lower edge of inlet pipe
07/25/2002DE10102900A1 Reactive antimicrobial formulation used for production of antifouling coatings or for the sterilization of cooling water, containing polymerizable monomer and antimicrobial polymer,
07/25/2002DE10102467A1 Method for treating effluent containing water-soluble lacquer components comprises acidifying it to precipitate out material which is impossible to biodegrade, product then being neutralized and treated in bioreactor
07/25/2002DE10102138A1 Pure water metering device includes separator as valved molecular sieve or membrane fed via valved line with additive-mixed water using line to draw off additives.
07/25/2002DE10101692A1 Home device for enriching liquids with air constituents comprises a liquid container which is provided with a screwed-on top unit in the form of a manually operated air pump
07/25/2002DE10101510A1 Treatment of high sulfate content waste water involves addition of calcium chloride, alkali treatment, precipitation/flocculation, gravity separation and sludge dewatering
07/25/2002DE10063426A1 Entfernung von Öl aus Abwasser Removal of oil from wastewater
07/25/2002CA2435384A1 Apparatus and methods for separating liquids from solids
07/25/2002CA2434358A1 Water filter
07/25/2002CA2369917A1 Method and system for servicing and maintaining thermal equipment, water treatment equipment and the like
07/24/2002EP1225156A1 Apparatus and method for electrochemically removing fine metal particles from emulsions
07/24/2002EP1225155A1 Water purifying cartridge for empty pet bottle
07/24/2002EP1224965A1 Device and method for separating a permeate
07/24/2002EP1224451A1 Aquatic passive sampling device and methods for its use
07/24/2002EP1224438A1 Device and method for measuring fluid and solute fluxes in flow systems
07/24/2002EP1224279A2 Microbe, microbial exopolysaccharide, and uses thereof
07/24/2002EP1224151A1 A high pressure and high temperature reaction system
07/24/2002EP1224032A1 Centrifugal pressurized separators and methods of controlling same
07/24/2002EP1224026A1 Process for the purification of wash water from the production of aromatic acids
07/24/2002EP1223810A1 Bio-supportive matrices, methods of making and using the same
07/24/2002EP1028919B1 Device for thickening liquids or sludges
07/24/2002CN2501876Y Sterilizing apparatus for drinking bowl
07/24/2002CN2501875Y Immersed electronic sterilizating apparatus for water tank
07/24/2002CN2501874Y High pressure waterfloording electrolysis sterilization equipment for oil field
07/24/2002CN2501873Y Multifunctional corrosion inhibiting scale removing apparatus
07/24/2002CN2501872Y Deionized device
07/24/2002CN2501871Y Opening adjustable pressing type water disposal apparatus