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
10/22/1998WO1998046338A1 Modular filtration systems and methods
10/22/1998WO1998041319A3 Device for magnetic fluid treatment
10/22/1998DE19757138C1 Beer wort condensate processing apparatus
10/22/1998DE19717723A1 Coarse, permeable granulate for almost universal removal of heavy metal ions from water
10/22/1998DE19716649A1 Removal of moisture and solvents from paint residues
10/22/1998DE19716372A1 Adsorption from gas or liquid phase using aerogel adsorbents
10/22/1998DE19716277A1 Liquid or gas filtering and cleaning unit
10/22/1998DE19715958A1 Preparation of carbonated drinking water comprises chilling tap water, carbonating, increasing water pressure and discharging
10/22/1998CA2286071A1 Epsilon caprolactam compositions and byproducts
10/22/1998CA2285952A1 Housing and method that provide extended resident time for dissolving generated oxygen into water
10/22/1998CA2257603A1 Improved water purification system
10/21/1998EP0872497A2 Fluorescent cationic monomers useful for tagging water soluble polymers
10/21/1998EP0872490A1 High-molecular flocculant, method for producing the flocculant and water-treatment method employing the flocculant
10/21/1998EP0872278A1 Electrosorption membrane
10/21/1998EP0871597A1 Method of treating a biomass in order to remove heavy metals with hydrogen sulphide
10/21/1998EP0871596A1 Use of mannanases as slime control agents
10/21/1998EP0871593A1 Oil coagulant products and methods of use therefor
10/21/1998EP0871592A1 Chloroisocyanuric acid composition having reduced gas evolution
10/21/1998EP0871591A1 Filtration tank and means for subsequent purification of waste water
10/21/1998EP0871590A1 Apparatus for distribution and dispersion of air saturated water
10/21/1998EP0871525A1 Liquid medium extraction purification method
10/21/1998EP0871359A1 Tabletized ionene polymers
10/21/1998EP0799083B1 Device for purifying liquids, in particular polluted water for fighting fires
10/21/1998EP0779840B1 Gas entrainment/flotation reactor with arrangements for separating solids from liquids
10/21/1998EP0625960B1 Sewage treatment apparatus
10/21/1998CN2294951Y Annular-arranged magnetizing device
10/21/1998CN2294950Y Scraping-piece type automatic-cleaned water purifier
10/21/1998CN2294949Y Natural vacuum industral-waste-water purifying device
10/21/1998CN2294669Y Heat-pipe water boiling device
10/21/1998CN1196711A Polyaluminum chlorides and ployaluminum chlorosulfates methods and compositions
10/21/1998CN1196336A Method for disposing printing and dyeing waste water and filter installation used
10/21/1998CN1196335A Oxygen-enriched water
10/21/1998CN1196334A Method for preparing cation/amphoteric graft polyacrylamide flocculating agent
10/21/1998CN1196333A Decontamination plant for living drinking water
10/21/1998CN1196188A Magnetic series health-care beverage and food
10/21/1998CA2234880A1 Improved chelating resins
10/20/1998US5824888 Of use of a fluid in a multi-process unit plant
10/20/1998US5824512 Bacteria expressing metallothionein gene into the periplasmic space, and method of using such bacteria in environment cleanup
10/20/1998US5824353 Mineral water
10/20/1998US5824274 Ozone treatment system for point of use purification of water and sanitizing agent for surfaces, articles and foods
10/20/1998US5824243 Water ozonating system
10/20/1998US5824239 Method to remove biguanide from an aqueous source
10/20/1998US5824227 Contacting with alum and sodium aluminate in two reactors
10/20/1998US5824222 Method for removing suspended inert solids from a waste stream
10/20/1998US5824221 Water purification process
10/20/1998US5824215 Water purifier
10/20/1998US5824210 Separation of minerals
10/20/1998US5824200 Generation of electrolytically active water and wet process of a semiconductor substrate
10/18/1998CA2220590A1 Ultraviolet light purification apparatus
10/17/1998CA2234863A1 4-alkyl semicarbazides oxygen scavengers
10/15/1998WO1998045018A1 Process for sorbing liquids using tropical fibers
10/15/1998WO1998045010A1 Improved wastewater treatment apparatus and method
10/15/1998WO1998037024A3 Method for removing chlorate ions from solutions
10/15/1998WO1998031633A3 Use of a caco3-containing composition as additive to seawater in which marine animals are reared or kept
10/15/1998WO1998017390A3 Apparatus for photocatalytic fluid purification
10/15/1998DE19814112A1 Environmental cleansing device operating by decomposing pollutants
10/15/1998DE19731177C1 Mobile assembly to treat small to medium quantities of farm animal slurry
10/15/1998DE19714810A1 Disinfection of drinking water comprises concentration of UV radiation by mirrors or lenses and direction through transparent material
10/15/1998DE19714512A1 Floating deep water power station extracts energy from wind, wave, water and solar sources
10/15/1998DE19714440A1 Silicon peroxide compounds used as oxidants
10/15/1998CA2284919A1 Improved wastewater treatment apparatus and method
10/15/1998CA2234856A1 Fluorescent cationic monomers useful for tagging water soluble polymers
10/14/1998EP0870862A2 Auxiliary device for activating cleaning water
10/14/1998EP0870734A2 Process and apparatus for the treatment of wash water contaminatedwith salt andother materials
10/14/1998EP0870533A1 Apparatus for producing deionized water
10/14/1998EP0869919A1 Water purification systems
10/14/1998EP0869918A1 Water desalination
10/14/1998EP0869917A1 Process and device for treating screen from the mechanical cleaning stage of a sewage treatment plant
10/14/1998EP0869834A1 Contaminant recovery system and method
10/14/1998EP0711261A4 Zirconia particles
10/14/1998EP0541578B1 Polymerisable porphyrins
10/14/1998CN2294256Y Biological cell type water purification equipment
10/14/1998CN2294255Y Domestic water purification tank
10/14/1998CN2294252Y Test pencil for testing spirit or pure water
10/14/1998CN2294251Y Washing control device for pure water machine
10/14/1998CN2294102Y Domestic electro-dialyzing water purifying device
10/14/1998CN2294101Y Washable super filtration water purifing device without logged water
10/14/1998CN1195999A Component separation system including condensing mechanism
10/14/1998CN1195648A Sewage treatment coagulant containing aluminium salt and flyash and method for treating sewage of paper mill
10/14/1998CN1195568A Liquid filter capable of directly draining and sterilizing at same time
10/13/1998US5821113 Method of reducing contamination and composition for use in the method
10/13/1998US5820966 Removal of arsenic from iron arsenic and sulfur dioxide containing solutions
10/13/1998US5820766 Reduction of sulfide in fluids
10/13/1998US5820765 Metal sensing rods determine flow of electric current in supply and purified water as a measurement of filter performance
10/13/1998US5820764 Forming salts with neutralizing wash; seperating aqueous phase from organic phase; recycling portions of aqueous phase back to wash to concentrate by-products; periodically draining and replenishing portions of wash; destroying drained fraction
10/13/1998US5820763 Passing portion of water through anion exchanger containing bicarbonate anions, passing remainer through anion exchanger containing hydroxide ions, adding chlorine-containing slime controlling agent
10/13/1998US5820762 Filter insert for a storm drain
10/13/1998US5820761 Process for the treatment of organic pollutants in wastewaters by wet oxidation
10/13/1998US5820758 Composition and method for clarifying and deodorizing a standing body of water
10/13/1998US5820256 Motorless mixer
10/13/1998US5819784 Water purifier having a water discharge valve for draining water storage tanks
10/10/1998CA2234185A1 Apparatus for producing deionized water
10/10/1998CA2202344A1 Automatic chlorinator
10/08/1998WO1998043919A1 Method for treating waste water, especially from and malt houses and breweries
10/08/1998WO1998043738A1 Apparatus and method for ammonia removal from waste streams
10/08/1998WO1998043719A1 Process for removing selenium from selenium-containing waste streams
10/08/1998WO1998029345A3 Increasing turbulent mixing in a uv system
10/08/1998DE19814705A1 Process and assembly treats continual flow of swimming pool water with agent
10/08/1998DE19808063A1 New cyclodextrin derivatives containing canal-shaped cavities
10/08/1998CA2286361A1 Method of processing waste water, in particular from malt factories and breweries
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