| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 02/13/1997 | WO1997005068A1 Method for removing heavy metals from liquid effluents |
| 02/13/1997 | WO1997005067A1 A compound method for disinfection of liquids |
| 02/13/1997 | WO1997005066A1 Water purification system |
| 02/13/1997 | WO1997005065A1 Oil and water processing device |
| 02/13/1997 | WO1997005064A1 Fluid treating apparatus |
| 02/13/1997 | WO1997004870A1 Calcium aluminate cement based catalyst |
| 02/13/1997 | WO1997004868A1 Dehalogenation of halogenated hydrocarbons in aqueous compositions |
| 02/13/1997 | WO1997004865A1 A manufacturing method of granulated complex molecular sieve composition having multifunctions |
| 02/13/1997 | WO1997004858A1 Apparatus for the disinfection of liquids |
| 02/13/1997 | WO1997004655A1 Biguanide composition and method for treating water |
| 02/13/1997 | DE19529504A1 Verfahren zur Herstellung wäßriger Chlordioxid-Lösungen A process for the production of aqueous chlorine dioxide solutions |
| 02/13/1997 | CA2228149A1 Dehalogenation of halogenated hydrocarbons in aqueous compositions |
| 02/13/1997 | CA2224489A1 Method for hydrothermal oxidation |
| 02/12/1997 | EP0757589A1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes |
| 02/12/1997 | EP0757586A1 Improvements in electrodialysis including filled cell electrodialysis (electrodeionization) |
| 02/12/1997 | CN2247171Y Sewage treatment equipment |
| 02/12/1997 | CN2247170Y Filter for water containing stain |
| 02/12/1997 | CN2247169Y Novel membrane pile for no-polar water electric dialyzing |
| 02/12/1997 | CN2247168Y Drinking-water purifier with short-wave ultraviolet ray sterilizer and dirty-cleaning function |
| 02/12/1997 | CN2246982Y Quick heating type cold and hot two-purpose mineral water kettle |
| 02/12/1997 | CN1142811A Effluent treatment with hydrotalcite |
| 02/12/1997 | CN1142810A Vaporizing and concentration drying apparatus and method |
| 02/12/1997 | CN1142468A Production of rich oxygen content drinking water |
| 02/12/1997 | CN1142467A Minerized water generator |
| 02/12/1997 | CN1142466A Process and system for treatment of fluorineion-containing wastewater |
| 02/12/1997 | CN1034025C Weeping well with natural filter bed |
| 02/11/1997 | US5602296 Process for in-situ bidegradation of chlorinated aliphatic hydrocarbons by subsurface hydrogen injection |
| 02/11/1997 | US5602089 Clean up composition containing water reducible resin having ph dependent water solubility as solubility controlling component, diluent to reduce viscosity |
| 02/11/1997 | US5602071 Comprising peat moss and a poly(carboxylic acid) binder that has been crosslinked and neutralized with an alkali metal; sorption |
| 02/11/1997 | US5602065 Calcining raw materials and microorganisms; oxidation resistance |
| 02/11/1997 | US5601725 Using a copolymer of diallyldimethyl ammonium chloride and quaternized dimethylaminoethyl (meth)acrylate and a flocculant |
| 02/11/1997 | US5601724 Method of aeration of liquids |
| 02/11/1997 | US5601715 Mutli-stage grease trap filter and skimmer |
| 02/11/1997 | US5601710 Filtering apparatus of water purifier |
| 02/11/1997 | US5601704 Automatic feedback control system for a water treatment apparatus |
| 02/11/1997 | US5601700 Treating crude oil or water and oil emulsion with sulfite or bisulfite of alkali, alkaline earth metals or ammonium,while controlling desirable ph by adding alkali and preventing sulfur precipiation |
| 02/11/1997 | US5601635 Method and apparatus for deaerating a liquid in a substantially closed liquid circulation system |
| 02/09/1997 | CA2182768A1 Method for processing chemical cleaning solvent waste |
| 02/06/1997 | WO1997003926A2 Biofouling reduction |
| 02/06/1997 | WO1997003925A2 Method and apparatus for waste water treatment |
| 02/06/1997 | WO1997003839A1 Method and apparatus for hot-melt printing |
| 02/06/1997 | WO1997003748A1 Absorbent filled membranes for removal of volatile compounds from wastewater |
| 02/06/1997 | CA2227333A1 Method and apparatus for waste water treatment |
| 02/06/1997 | CA2227206A1 Biofouling reduction |
| 02/05/1997 | EP0757513A2 UV water treatment system |
| 02/05/1997 | EP0757120A1 Apparatus and method for de-silvering a silver-containing solution |
| 02/05/1997 | EP0757016A2 Purification, regeneration and recycling process for industrial sewage |
| 02/05/1997 | EP0756583A1 Filter jug and a lid therefor |
| 02/05/1997 | EP0756582A1 Destroying metal cyanide complexes by combined chemical oxidation and electrolysis |
| 02/05/1997 | EP0756581A1 Dewatering of wet particulate material |
| 02/05/1997 | EP0756509A1 Chemical feeder |
| 02/05/1997 | EP0675856B1 Photocatalytic method for treatment of contaminated water |
| 02/05/1997 | CN2246661Y Mineral bathing water generator |
| 02/05/1997 | CN2246660Y Moving bed analog filter tank of automatic turbidity detecting for alum-feeding system |
| 02/05/1997 | CN2246659Y Multi-functional descaling pad |
| 02/05/1997 | CN2246658Y Magnetic unit inserted water magnetizer |
| 02/05/1997 | CN2246657Y Ozone-ultraviolet drinking water sterilizing purifier |
| 02/05/1997 | CN2246656Y Domestic water purifier |
| 02/05/1997 | CN2246510Y Magnetic cup hammer |
| 02/05/1997 | CN1141888A Method for treatment of waste acid liquid containing copper production of gluside and sodium saccharin |
| 02/05/1997 | CN1141886A Technology for treatment of waste liquid containing cyanogen by ion exchange method |
| 02/05/1997 | CN1141885A Device for in-tube gas dilation and dissolving |
| 02/05/1997 | CN1141757A Water circulation system for bathing, in which added with multiple mineral substance |
| 02/04/1997 | US5599461 Fumigation with evolved methyl isothiocyanate in a base solution |
| 02/04/1997 | US5599460 Water/glycol sensor for use in oil systems |
| 02/04/1997 | US5599457 Machine coolant treatment method |
| 02/04/1997 | US5599456 Passing fluid through contactor having reticulated foam structured element comprising foamed substrate of zinc or copper having bound alloy particles capable of promoting reduction/oxidation reaction with contaminants therein |
| 02/04/1997 | US5599455 Passing hard water through an ion exchange resin and a powder mixture of tourmaline and a metal; laundering; waste water treatment; water supply systems |
| 02/04/1997 | US5599454 Water purification by exposure to fines of copper-zinc alloys to kill or inhibit bacteria |
| 02/04/1997 | US5599450 Anaerobic upflow batch reactor |
| 02/04/1997 | US5599443 Tank having supports for growing aquatic plants and containers of charcoal which support growing microorganisms |
| 02/04/1997 | US5599438 Controlling electricity |
| 02/04/1997 | US5599437 Waster solutions containing low levels of metal impurities |
| 02/04/1997 | US5599429 Water distillation system |
| 02/04/1997 | US5598641 Raw sewage disposal apparatus |
| 01/30/1997 | WO1997003382A1 Making a photopolymer printing plate |
| 01/30/1997 | WO1997003254A1 Domestic water treatment system |
| 01/30/1997 | WO1997003111A2 Solid polymeric products and their use |
| 01/30/1997 | WO1997003099A1 Branched polyammonium compounds of high molecular weight and processes for producing said compounds |
| 01/30/1997 | WO1997003098A1 Branched water-soluble acrylamide copolymers of high molecular weight and process for manufacturing them |
| 01/30/1997 | WO1997003025A1 House water decalcifying process |
| 01/30/1997 | WO1997003024A1 Method and system for removing ionic species from water |
| 01/30/1997 | WO1997002866A1 A method for decontaminating biotopes from mercury and/or other heavy metals |
| 01/30/1997 | WO1997002744A1 Tabletized ionene polymers |
| 01/30/1997 | CA2226966A1 Making a photopolymer printing plate |
| 01/29/1997 | EP0755644A1 Thermally insulated or cooled container for magnetic treatment of foodstuff |
| 01/29/1997 | EP0755363A1 Rejuvenative catalytic oxidation of waste water, particularly for removal of cyanide and sulfur compounds |
| 01/29/1997 | EP0755362A1 Electrolytic water treatment |
| 01/29/1997 | EP0755361A1 Method and apparatus for treating waste water streams |
| 01/29/1997 | EP0690824B1 Process for reducing the volume of halogenated organic compounds in aqueous systems |
| 01/29/1997 | EP0664771B1 Process for treating industrial waste waters with low concentrations of toxic organic pollutants |
| 01/29/1997 | EP0649385A4 System for energy storage, hydrogen production and the manufacture of methanol for abating of greenhouse gases. |
| 01/29/1997 | EP0558701B1 Process for improving retention during the manufacture of paper or board |
| 01/29/1997 | EP0507960B1 Method of fractionizing water molecule cluster, water-soluble mineral containing solution used for this fractionizing method and method of producing the mineral containing solution |
| 01/29/1997 | CN2246149Y Device for clearing incrustant by utilizing electric field between conducting liquid and metal vessel |
| 01/29/1997 | CN2246148Y Household water purifier |
| 01/29/1997 | CN2246147Y Coil internally-heating distilled water machine |
| 01/29/1997 | CN2245858Y Electromagnetic wave antiseptic sterilizer |
| 01/29/1997 | CN1141603A Method for absorbing organic pollutants |
| 01/29/1997 | CN1141263A Process for recovery of lithium and other metals and salts from brines by fractional crystallization using solar energy |