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)
06/1998
06/02/1998US5759939 Composite metal oxide adsorbents
06/02/1998US5759568 Method for producing animal foodstuff from waste
06/02/1998US5759489 Washing and disinfecting method and apparatus for artificial dialyzer using acid water electrolytically made
06/02/1998US5759411 Mixing drum for slurry with high suspended solids concentration
06/02/1998US5759410 Process for recovering mercapto-s-triazines from silver precipitate
06/02/1998US5759408 Method and equipment for treatment of a liquid flow to be cleaned and passed into a flotation plant or equivalent
06/02/1998US5759407 High gradient magnetic separator; fluidized bed
06/02/1998US5759403 Method for purifying waste water using activated slude to increase purification yields
06/02/1998US5759401 Process for removing phosphate from waste water
06/02/1998US5759400 Reticulated foam structured fluid treatment element
06/02/1998US5759390 Particle separator
06/02/1998US5759389 Waste water treatment kit for hydrogenating trichloroethylene
06/02/1998US5759384 Water purification system
06/02/1998US5759383 Electrode system connected to irrigation conduits whereby copper ionized from the electrodes kills algae and collects around soil near conduit preventing root growth
06/02/1998US5758369 Bathtub having bath water activating apparatus
05/1998
05/28/1998WO1998022813A1 pH ALTERING DEVICE AND METHOD
05/28/1998WO1998022398A1 Methods for sludge dewatering
05/28/1998WO1998022397A1 Method for treating water in particular of a swimming pool and disinfectant composition
05/28/1998WO1998022396A1 Removal of metal ions from aqueous solution
05/28/1998WO1998022395A1 Removal of acidic organic contaminants from refinery waste water
05/28/1998WO1998022394A1 Method and apparatus for separating volatile components from a liquid
05/28/1998WO1998022393A1 Method for separating organic waste
05/28/1998WO1998022386A1 A vehicle and method for storing ozone
05/28/1998WO1998022205A1 Inhibition and delay of deposit formation in membrane processes
05/28/1998WO1998022203A1 Desalination apparatus and method
05/28/1998WO1998022197A1 Cyclodextrin polymer separation materials
05/28/1998WO1998022193A2 Process and apparatus for improving the efficiency of an evaporation process
05/28/1998DE19649994A1 Removal of iodo-aromatic compounds from aqueous media
05/28/1998DE19649146A1 Solar-powered salt water desalination boiler heated by parabolic mirror
05/28/1998DE19648372A1 Process and assembly for treating refuse tip water
05/28/1998CA2272409A1 A vehicle and method for storing ozone
05/28/1998CA2271490A1 Inhibition and delay of deposit formation in membrane processes
05/28/1998CA2191493A1 Apparatus for producing the high quality drinking water
05/27/1998EP0844339A2 Connection unit for water filter for large appliances
05/27/1998EP0844216A2 A method for treating polluted material by wet oxidation
05/27/1998EP0844215A2 Water-bath sanitising
05/27/1998EP0843966A1 Preparation of aqueous solutions comprising o-phthalaldehyde and glutaraldehyde
05/27/1998EP0843650A2 Biofouling reduction
05/27/1998EP0843649A1 Improved method of treating water
05/27/1998EP0843646A1 Method of preparing aqueous chlorine dioxide solutions
05/27/1998EP0843592A1 Dehalogenation of halogenated hydrocarbons in aqueous compositions
05/27/1998EP0843588A1 Compact portable hand-operated filter for purifying water
05/27/1998EP0751914B1 Method and facility for treating effluents loaded with organic material, particularly by wet oxidation and with internal solid residue recycling, and purification facility therefor
05/27/1998EP0625074B1 Vortex flocculation of solids suspended in liquid
05/27/1998CN1183056A Distiller apparatus
05/27/1998CN1182718A Biocidal algae-killing agent and synthetic method for industrial water treatment thereof
05/27/1998CN1182637A Making method for boron mud composite coagulant and usage thereof
05/27/1998CN1038482C Process for reclaiming ion-exchange resin used in preparing pure water
05/26/1998US5756874 Leakproof electrochemical cell with durable plastic housing for mediated electrochemical oxidation of hazardous wastes
05/26/1998US5756270 Includes passing solution through absorbent material that removes carryover development agent
05/26/1998US5756051 Apparatus and method for an anodic oxidation biocidal treatment
05/26/1998US5755980 Process for eliminating adsorbable organic halogen compounds from wastewater
05/26/1998US5755977 Geothite catalyst
05/26/1998US5755973 Portable wastewater treatment method
05/26/1998US5755957 Water supply shut-off device for water purifier
05/26/1998CA2163645C Oil-based fluid absorbent article, method and apparatus
05/22/1998WO1998021271A1 Aqueous dispersion polymers
05/22/1998WO1998021149A1 Water treatment process
05/22/1998WO1998021148A1 Flocculant compositions and water treatment method using the same
05/22/1998WO1998020972A1 Electrodeionization apparatus and method
05/22/1998WO1998020955A1 Wye connector with electrode elements for disinfecting
05/22/1998WO1998020910A2 Flowable waste sanitizing process and system
05/22/1998CA2270894A1 Water treatment process
05/20/1998EP0842182A1 Process for the preparation of n-phosphonomethyglycine
05/20/1998EP0842124A1 House water decalcifying process
05/20/1998EP0842122A1 Electrochemical cell
05/20/1998EP0842121A1 Fluid treating apparatus
05/20/1998EP0841989A1 Calcium aluminate cement based catalyst
05/20/1998EP0841852A1 Biguanide composition and method for treating water
05/20/1998EP0828779A4 Water-soluble polymers and compositions thereof
05/20/1998EP0799161B1 Process for treating waste water containing thallium
05/20/1998EP0706498A4 High capacity single tank water clarification system
05/20/1998EP0700873A4 Waste water treatment method, suspensed matter separation method, and method for saturating a liquid with a gas
05/20/1998EP0690823B1 Metal removal from aqueous solution
05/20/1998DE19750346A1 Scale removal unit for use in conjunction with electrical appliances
05/20/1998DE19701302C1 Verwendung einer CaCO¶3¶-haltigen Zusammensetzung als Additiv für Meerwasser, worin Meerestiere aufgezogen oder gehalten werden Using a CaCO¶3¶-containing composition as an additive for sea water in which marine animals are bred or kept
05/20/1998DE19647512A1 Mobile waste water treatment assembly
05/20/1998CN2281984Y Ozone health beauty device
05/20/1998CN2281983Y 净水器 Water Purifier
05/20/1998CN2281982Y Distilled water device
05/20/1998CN2281981Y Continuous water making complete set filter
05/20/1998CN2281826Y Water supply filter
05/20/1998CN2281724Y Transparent light magnetic cup
05/20/1998CN1182407A UV-reflector forming a part of a UV-device for purification of liquid or gas, preferably water
05/20/1998CN1182378A Method and apparatus for producing deionized water
05/20/1998CN1182149A Disposal method of papermaking black liquor
05/20/1998CN1182139A Rare earth alloy purifying functional-material
05/20/1998CN1182055A Water purification system capable of efficiently and reliably removing various pollutants different in size
05/20/1998CN1181977A Electrolytic functional water, its making method and device
05/19/1998US5753424 Containing ferromagnetic powder and aromatic sulfonate stabilizer
05/19/1998US5753181 Adding symergistic amount of sodium bromide to reactivate polymeric polybiguanide
05/19/1998US5753125 Method for recovering and separating metals from waste streams
05/19/1998US5753124 Method of magnetically treating a fluid and apparatus therefor
05/19/1998US5753118 Faucet and filter assembly
05/19/1998US5753107 Dripless purification manifold and cartridge
05/19/1998US5753106 Method of, and apparatus for, and irradiation unit for oxidative photopurification
05/19/1998US5753100 Ionization-type water purification system
05/19/1998US5753098 Cylindrical electrolyzer assembly and method
05/19/1998US5753009 Using permselective membrane fractionation
05/19/1998US5752282 Spa fitting
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