| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/31/2001 | US6267979 Providiny aqueous system formulation comprising chelating agent, an antimicrobial to control growth of microorganisms |
| 07/31/2001 | US6267933 Methods of preparing and using electrostatically treated fluids |
| 07/31/2001 | US6267896 Dry soluble alkali metal ferrate (vi) particles; porous sealed packet contains the particles in a quantity sufficient to disinfect by oxygenation. |
| 07/31/2001 | US6267895 Catalytic dental water apparatus |
| 07/31/2001 | US6267893 Process for cleaning fluids and particulate solids |
| 07/31/2001 | US6267892 Adding calcium compound and coagulant in fluoride containing waste water |
| 07/31/2001 | US6267891 High purity water production using ion exchange |
| 07/31/2001 | US6267887 Shower filter for chlorine removal and scale deposit prevention |
| 07/31/2001 | US6267886 Uni-directional flow chemical dispenser |
| 07/31/2001 | US6267885 Liquid sterilization apparatus |
| 07/31/2001 | US6267883 Water conditioner for eliminating scale |
| 07/31/2001 | US6267878 For treatment of water circulating in a conduit, which water carries microorganisms that must be eliminated and ions susceptible of leading to the formation of deposits on the internal wall of the conduit. |
| 07/31/2001 | US6267871 Apparatus and process for recovering metals from aqueous solutions |
| 07/31/2001 | US6267866 Liquid phase reduction |
| 07/31/2001 | US6267855 Water purifying apparatus |
| 07/31/2001 | US6267854 Using electrolytic cell |
| 07/31/2001 | CA2297850A1 Apparatus for extraction of petroleum hydrocarbon contaminants from soil and ground water |
| 07/31/2001 | CA2098511C In-situ treatment system for inhibiting the formation of, and for alleviating, acidity in water |
| 07/26/2001 | WO2001054179A1 Method and apparatus for reclaiming a metal from a cmp process for use in an electroplating process |
| 07/26/2001 | WO2001053568A1 Improvements in electrolysis cells |
| 07/26/2001 | WO2001053517A1 Automatic water toxicity measuring apparatus |
| 07/26/2001 | WO2001053332A1 Novel substance m-17a and process for producing the same |
| 07/26/2001 | WO2001053219A1 Method and apparatus for controlling microbiological activity in water storage tanks |
| 07/26/2001 | WO2001053218A1 System and method for oxygenation of waste water |
| 07/26/2001 | WO2001053217A2 Method for reducing nitrates present in an acid aqueous effluent by catalytic hydrogenation |
| 07/26/2001 | WO2001053216A1 Alkylamines as biofilm deactivation agents |
| 07/26/2001 | WO2001053215A1 Production of compacted biocidal agent from a non-compactible particulate biocidal agent without using a binder |
| 07/26/2001 | WO2001053214A1 Binder-free compacted forms of 1,3-dihalo-5,5-dimethylhydantoins |
| 07/26/2001 | WO2001053213A1 Method for purifying suspended water by membrane filtration |
| 07/26/2001 | WO2001053212A1 Method and device for sustaining a clean water supply |
| 07/26/2001 | WO2001053211A2 Solar dew tube |
| 07/26/2001 | WO2001053210A1 System and method for desalinating salt water |
| 07/26/2001 | WO2001053209A2 Methods for microbiological control in aqueous systems |
| 07/26/2001 | WO2001053207A2 Water purification process and purification plant |
| 07/26/2001 | WO2001053204A1 A method for treatment of hexavalent chromium compounds in waste water originating from processing of metals |
| 07/26/2001 | WO2001053202A1 Enhancement of ammonia containing fly ash and collection of ammonia byproduct |
| 07/26/2001 | US20010009664 Combination of the halide and the ammonium source results in a synergistic effect; cleaning hard surface such as of water treatment plant, cooling tower, food processing plant, paper pulp processing equipment, or chemical or drug process plant |
| 07/26/2001 | US20010009661 Preparing an iodine demand disinfectant by contacting at high temperature and pressure a porous strong base anion exchange resin in salt form with iodine or polyiodide ion absorbable by the resin to form the polyiodide-resin |
| 07/26/2001 | US20010009239 Water treatment by filtration through sand having coatings of silver, copper or ammonium compounds; killing and preventing growth of microorganisms; pollution control |
| 07/26/2001 | US20010009238 Diffuser injector; dissolving carbon dioxide into ultrapure water; resistivity monitored; signal transmitted for corrective adjustment; semiconductors |
| 07/26/2001 | US20010009237 Automatic cleaning of through turbulence and abrasion; rotatable valve plate allowing service, backwash, flush, off and/or bypass operational modes |
| 07/26/2001 | US20010009235 Hollow fiber separation membrane module of immersing type and method for manufacturing the same |
| 07/26/2001 | DE19963743A1 Processing plant for preparing brewery water avoids a surplus of dissolved calcium hydroxide by regulating the addition of chalk water to the raw water |
| 07/26/2001 | DE19962791A1 Verfahren und Vorrichtung zum Reinigen von Rohwasser Method and apparatus for purifying raw water |
| 07/26/2001 | DE10050489A1 Electrical decontamination and sterilization of water employs low voltage signal generator, with automatic adjustment as a function of water conductivity |
| 07/26/2001 | DE10002733A1 Electrolysis cell which can improve reaction efficiency, e.g., for chlorination of water, includes a porous electrode which allows communication between an electrolyte and a neutral area |
| 07/26/2001 | DE10001610A1 Unit treating waste water in small boats for discharge at sea in compliance with international regulations, includes separation and conversion regions with comminuter and pump |
| 07/26/2001 | DE10001413A1 Magnetic treatment of diesel fuel, petroleum, water or milk comprises passing it through channel subjected to magnetic field, turbulent flow being generated as liquid passes through channel |
| 07/26/2001 | CA2397846A1 Improvements in electrolysis cells |
| 07/26/2001 | CA2397640A1 Alkylamines as biofilm deactivation agents |
| 07/26/2001 | CA2397213A1 Production of compacted biocidal agent from a non-compactible particulate biocidal agent without using a binder |
| 07/26/2001 | CA2397206A1 Binder-free compacted forms of 1,3-dihalo-5,5-dimethylhydantoins |
| 07/26/2001 | CA2396905A1 Methods for microbiological control in aqueous systems |
| 07/25/2001 | EP1118589A2 Method and system for on-site halogen treatment of aqueous solutions |
| 07/25/2001 | EP1118588A2 Water treatment dispensers |
| 07/25/2001 | EP1118587A1 Method and apparatus for disinfecting drainage |
| 07/25/2001 | EP1118586A1 Device and method for disinfection and control of legionellosis in hot water supply systems |
| 07/25/2001 | EP1118585A2 Electrolytic process and apparatus for the controlled oxidation or reduction of inorganic and organic species in aqueous solutions |
| 07/25/2001 | EP1118367A1 Coagulation reaction device |
| 07/25/2001 | EP1118087A1 Medical devices incorporating at least one element made from a plurality of twisted and drawn wires at least one of the wires being a nickel-titanium alloy wire |
| 07/25/2001 | EP1117706A2 Activated carbon filter |
| 07/25/2001 | EP1117621A1 Media for water treatment |
| 07/25/2001 | EP1117619A1 Process for destroying contaminants in contaminant-containing aqueous streams and catalysts used therefor |
| 07/25/2001 | EP1117618A1 Apparatus and method of producing water for deodorization and cleaning applications |
| 07/25/2001 | EP1117617A1 Treatment of waste produced by farm animals raised under confined conditions |
| 07/25/2001 | EP1117466A1 Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same |
| 07/25/2001 | EP1117445A1 Device for treatment of biological fluids |
| 07/25/2001 | EP0759013B1 Water sterilisation apparatus |
| 07/25/2001 | CN2440063Y Farm water-purifying tank |
| 07/25/2001 | CN2440038Y Domestic water-activating instrument |
| 07/25/2001 | CN2440037Y Large electronic water treatment instrument |
| 07/25/2001 | CN2440036Y Hydroseparating cap for ion-exchange tower |
| 07/25/2001 | CN2440035Y Self-controlled water-purifying device |
| 07/25/2001 | CN1305439A Method for mineralization of organic pollutants in water by catalytic ozonization |
| 07/25/2001 | CN1305393A Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 07/25/2001 | CN1305388A Generation of active chlorine in the presence of organic load from sodium chloride in water |
| 07/25/2001 | CN1304890A Three-phase separation process for oily mud in oil refinery |
| 07/25/2001 | CN1304889A Water treatment method and device |
| 07/25/2001 | CN1304885A Treatment apparatus of drainage and drainage treatment method |
| 07/25/2001 | CN1304883A Water treatment apparatus |
| 07/25/2001 | CN1304882A Treatment and rediaimation of waste water in production of 4,4'-dinitrobistyrene-2,2'-bisulfonic acid |
| 07/25/2001 | CN1304881A Water disinfection equipment of modular structure |
| 07/25/2001 | CN1068856C Waste water treating device |
| 07/25/2001 | CN1068855C Sewage treating device |
| 07/24/2001 | US6265835 Energy-efficient ultraviolet source and method |
| 07/24/2001 | US6264898 Pulsed corona discharge apparatus |
| 07/24/2001 | US6264897 Ozone generator |
| 07/24/2001 | US6264847 Decomposing free cyanide ion and metallic cyano complex ions in a liquid by contacting with ozone gas in alkaline ph |
| 07/24/2001 | US6264846 For dechlorinating potable water |
| 07/24/2001 | US6264845 Augmented electrolytic precipitation of metals, method and apparatus |
| 07/24/2001 | US6264844 Supercritical water oxidation process and apparatus of organics with inorganics |
| 07/24/2001 | US6264840 Process for producing insoluble tannin and method for adsorbing hexavalent chromium by using the tannin |
| 07/24/2001 | US6264839 Forinhibiting scale deposition in a water-carrying system subject to scale formation such as reactor, a distillation apparatus, a boiler and a steam generator |
| 07/24/2001 | US6264837 Removal of pollution from aqueous bodies |
| 07/24/2001 | US6264836 Method and apparatus for decontaminating fluids using ultraviolet radiation |
| 07/24/2001 | US6264832 Apparatus for the treatment of rain water |
| 07/24/2001 | US6264830 On premise water treatment system and method |
| 07/24/2001 | US6264802 Applying ultraviolet(uv) radiation to liquids, air or surfaces for disinfecting and purification |
| 07/24/2001 | US6264720 Extracting metal from substrate by contacting with aqueous treatment solution containing (s,s)-ethylene diamine disuccinic acid and (s,s)-di-imine butane dioic acid acting as chelating agent to form extract solution; separating |
| 07/24/2001 | US6264398 Scattering a natural rubber latex (cis-1,4-isoprene polymer) a protein and a coagulant around lumps of oil spills coagulating the latex, forming a membrane of latex arround the oil lumps |