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)
10/1998
10/08/1998CA2285272A1 Process for removing selenium from selenium-containing waste streams
10/07/1998EP0868217A1 Decanter centrifuge
10/07/1998EP0771222B1 Electrochemical oxidation of matter
10/07/1998EP0708683B1 Process for preparing sorbents from polysaccharide-containing raw materials, sorbents and their use
10/07/1998EP0660949B1 Treatment of photographic effluent
10/07/1998EP0637993B1 Pulsed electrical discharge apparatus for treating liquid
10/07/1998CN2293563Y Water circulation treatment and underwater sewage collecting recombiner for swimming pool
10/07/1998CN2293560Y Liquid magnitizing device
10/07/1998CN1194947A Liquid agent for purifying water
10/07/1998CN1194946A Process for treating industrial waste water
10/07/1998CN1194945A Laser method and device for purifying water
10/07/1998CN1040070C Gas dissolving and releasing liquid treatment system
10/06/1998US5817696 Submergible surfaces
10/06/1998US5817618 Protein isolated from mussels, glycogen
10/06/1998US5817449 Color forming reducing agent, auxiliary developer
10/06/1998US5817240 Catalytic fixed bed reactor systems for the destruction of contaminants in water by hydrogen peroxide
10/06/1998US5817231 Water purifying and vending apparatus
10/06/1998US5817224 Electrostatic device and method for enhancing chemical aggregation of particles in water suspension
10/06/1998US5816181 Ballast water treatment system
10/06/1998US5816058 For a refrigerator
10/04/1998WO1998045019A1 Organic contaminant recovery arrangement and method of using same
10/04/1998CA2248280A1 Organic recovery system and method
10/01/1998WO1998042894A1 Electrolytic method for recovering and recycling silver from a nitric solution
10/01/1998WO1998042626A1 Remediation material and remediation process for sediments
10/01/1998WO1998042625A1 Apparatus for the electrochemical treatment of water and aqueous salt solutions
10/01/1998WO1998042624A1 Method and device for uv treatment of liquid, air and surface
10/01/1998WO1998042622A1 Novel hybrid zeolite-silica compositions
10/01/1998WO1998042617A2 An integrated ozone generator system
10/01/1998WO1998042457A1 Removal of oxygen from water
10/01/1998WO1998042436A1 Oil collecting method and device
10/01/1998WO1998042205A1 Propionic acid, ammonia, propanediol and water solutions and the use thereof
10/01/1998DE19726128C1 Converting clarifier sludge etc. into arable soil
10/01/1998DE19712737A1 Water treatment process and assembly
10/01/1998DE19712305A1 Assembly treats effluent air from soil treatment by photo-chemical treatment, stripping and caustic wash
09/1998
09/30/1998EP0867410A2 Cooling water treatment composition comprising a source of peroxide, a phosphonate compound and an organic alcohol
09/30/1998EP0867409A1 Process for the recovery of metals from electrolytic surface treatment sludge
09/30/1998EP0867224A2 Method for producing deionized water
09/30/1998EP0866773A1 Cartridge for photocatalytic purification of fluids
09/30/1998EP0817678A4 Removal of lead from drinking water
09/30/1998EP0767698B1 Cleaning composition and ph-driven method for wastewater separation using an amphoteric carboxylate and a cationic destabilizer composition
09/30/1998EP0759889B1 Process for valorizing a liquid acid effluent containing heavy metals
09/30/1998EP0753196B1 Method and device for disposing of a solution containing an organic acid
09/30/1998EP0725669B1 Method and apparatus for recovering water from a sewer main
09/30/1998CN2292974Y Boiler water deaerating device
09/30/1998CN2292798Y Water circulation treatment and underwater dirt collecting device for swimming pool
09/30/1998CN2292795Y Electrocoagulation sewage treatment apparatus
09/30/1998CN2292794Y Reverse osmosis sea water desalting machine
09/30/1998CN2292593Y Filtering device for water tank
09/30/1998CN2292386Y Upper filter with ultraviolet sterilizing device for aquarium
09/30/1998CN1194626A Waste water treatment by catalytic oxidation
09/30/1998CN1194246A Waste water treating device
09/30/1998CN1194245A Composite circular water treating system
09/30/1998CN1194244A Method of treating city waste water
09/30/1998CN1194242A Space high-oxygen water
09/30/1998CN1194241A Waste water treating device
09/30/1998CN1194240A Waste water treating technology for reclaimed paper production
09/30/1998CN1194239A Hydraulic automatic full plastic water treating system
09/30/1998CN1194238A Method of removing heavy metal from industrial waste water
09/29/1998US5814668 Methods and compositions for controlling biofouling using amides
09/29/1998US5814292 Comprehensive energy producing methods for aqueous phase oxidation
09/29/1998US5814233 Deodorizing compounds like methylamine by binding amines to form amide/imide compounds in the presence of peroxy compounds
09/29/1998US5814229 Aeration water by a diffuser producing bubbles, circulation of water and slurrying
09/29/1998US5814228 Flotation method and apparatus
09/29/1998US5814227 Water flowing over a palladium catalyst to lower the ph to 6.4 to prevent calcium carbonate from settling and to oxygenate the water to kill bacteria; having a second catalyst of metal alloy to decontaminate and cause turbulence
09/29/1998US5814224 Method for complex processing of sea-water
09/29/1998US5814221 Solution treatment device
09/29/1998US5814212 Monitoring process and device for an activated carbon filtration system of drinking water
09/29/1998US5814209 Method for ecological utilization of acid effluents of fuller's earth
09/29/1998US5814198 Electrolytic magnetization device
09/29/1998US5814197 Electrodialysis including filled cell electrodialysis (electrodeionization)
09/29/1998US5813557 Magnetized fluid vessel
09/24/1998WO1998041596A1 Method and device for purifying contaminated liquids
09/24/1998WO1998041478A1 Treatment of effluent streams containing organic acids
09/24/1998WO1998041477A1 Process for the electrochemically controlled absorption of soluble organic substances and of heavy metal ions extracted from aqueous solutions, and corresponding apparatus
09/24/1998WO1998041319A2 Device for magnetic fluid treatment
09/24/1998WO1998041315A1 Fluid mixer and water oxygenator incorporating same
09/24/1998WO1998041314A1 Container
09/24/1998DE19806331A1 Water treatment assembly
09/24/1998DE19719412A1 Lösungen aus Propionsäure, Ammoniak, Propandiol und Wasser und deren Verwendung Solutions of propionic acid, ammonia, propane and water and the use thereof
09/24/1998DE19717883A1 Water flow-control assembly creates repeated change from turbulent to laminar flow
09/24/1998DE19711883A1 Method of sterilising drinking and=or utility water
09/24/1998DE19711810A1 Ecologically harmless alkali carbonate per:oxy-hydrate used for economical water and sediment treatment
09/24/1998DE19711358A1 Arrangement for activating fluid media
09/24/1998DE19711174A1 Verfahren und Vorrichtung zum Reinigen von Verunreinigungen enthaltenden Flüssigkeiten Method and device for purifying liquids containing impurities
09/24/1998DE19707198A1 Osmotic, effectively non-moving part dosing system, delivering fluid or gas over protracted interval
09/24/1998DE19650355A1 Filter medium for reducing heavy metal content of waste liquor
09/24/1998CA2279365A1 Method and device for purifying contaminated liquids
09/23/1998EP0866148A1 Method for inhibiting corrosion in water systems
09/23/1998EP0866032A1 Apparatus for the concentration of a waste water-based liquid
09/23/1998EP0865816A2 Apparatus for producing deionized water
09/23/1998EP0865810A1 Process for the concentration of a waste water-based liquid
09/23/1998EP0865413A1 Method for hydrothermal oxidation
09/23/1998EP0865315A2 Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor
09/23/1998EP0865311A2 Method of delivering substance into a material mass
09/23/1998EP0579721B1 Zirconium oxide ceramics for surfaces exposed to high temperature water oxidation environments
09/23/1998CN1193951A Soil and water remediation and enhancement process and apparatus therefor
09/23/1998CN1193922A Hollow yarn membrane integrating module
09/23/1998CN1193671A Agent for recovering waste water and residuals for papermaking of packaging paperboard
09/23/1998CN1193610A Iodine added drinking water and production thereof
09/23/1998CN1193608A Wastewater treating apparatus
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