| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 04/01/2004 | DE10244416A1 Suppression of floating sludge in biological wastewater treatment comprises using a flocculant comprising a polymerized metal hydroxide compound and a quaternized amine |
| 04/01/2004 | DE10244323A1 Device for treating grease-containing effluent before being fed back into a communal effluent pipeline network comprises a hollow body built into the pipeline with openings for introducing oxygen, an oxygen supply unit, and a feed unit |
| 04/01/2004 | DE10243799A1 Vorrichtung und Verfahren zur Reinigung einer schadstoffbelasteten Flüssigkeit Apparatus and method for cleaning a contaminated liquid |
| 04/01/2004 | DE10243363A1 Alkoxylate mixture used as emulsifier, foam regulator and wetting agent, e.g. in detergent, humectant, cosmetic, pharmaceutical, plant protection, coating or emulsion polymerization, contains alkoxylates of 2-propyl-heptan-1-ol isomers |
| 04/01/2004 | DE10243360A1 New and known 2-propyl-heptan-1-ol alkoxylates, used e.g. in cleaning, coating, adhesive, textile treatment, cosmetic, pharmaceutical or plant protection formulations, contain ethylene oxide and other alkylene oxide groups |
| 03/31/2004 | EP1403906A1 Discharge lamp and ultraviolet irradiation system and operation method therefor |
| 03/31/2004 | EP1403316A1 AMPHOTERIC WATER−SOLUBLE POLYMER DISPERSION AND USE THEREOF |
| 03/31/2004 | EP1403223A1 Sludge concentrating method and device |
| 03/31/2004 | EP1403222A1 Method of anaerobically treating organic material and anaerobic treatment apparatus |
| 03/31/2004 | EP1403221A2 Water purifier |
| 03/31/2004 | EP1403220A1 Process and device for the disinfection of wastewater, and the oxidative inactivation of substances contained therein |
| 03/31/2004 | EP1402123A1 Toilet system |
| 03/31/2004 | EP1401777A1 Disposable cartridge for on-premises water treatment system |
| 03/31/2004 | EP1401776A1 A process for biochemical treatment of waste water using nano materials |
| 03/31/2004 | EP1401774A1 Method of controlling contaminant flow into water reservoir |
| 03/31/2004 | EP1401773A1 Mixtures of halogen-generating biocides, halogen stabilizers and nitrogen containing biocides |
| 03/31/2004 | EP1401772A1 Method for decomposing hydrazine contained in an aqueous liquid |
| 03/31/2004 | EP1401771A1 Method and plant for controlling the colonization of submerged structure surfaces by aquatic filtering organisms |
| 03/31/2004 | EP1401576A1 Inorganic ion exchangers for removing contaminant metal ions from liquid streams |
| 03/31/2004 | EP1401571A1 Sub-micron filter |
| 03/31/2004 | EP1401549A1 Systems and methods for solar distillation |
| 03/31/2004 | EP1401548A2 Distiller for liquids, liquids distillation method and equipment for treating sewage, which equipment includes said distiller |
| 03/31/2004 | EP1401297A1 Microbiological control in poultry processing |
| 03/31/2004 | EP1301438A4 System and method for simultaneous removal of arsenic and fluoride from aqueous solutions |
| 03/31/2004 | EP1252108B1 Water and wastewater treatment process for contaminant removal |
| 03/31/2004 | EP1242559A4 Fluorescent monomers and polymers containing same for use in industrial water systems |
| 03/31/2004 | EP1218299A4 Anionic and nonionic dispersion polymers for clarification and dewatering |
| 03/31/2004 | EP1194371A4 Stable oxidizing bromine formulations, method of manufacture and uses thereof for biofouling control |
| 03/31/2004 | EP1156987A4 Method of removing biofilms from surfaces submerged in a fouled water system |
| 03/31/2004 | EP1154958B1 Method for conditioning sludge |
| 03/31/2004 | EP1127030B1 Device for purifying fluid with photonic pulses |
| 03/31/2004 | CN2608487Y Ozone water generator |
| 03/31/2004 | CN2608486Y Ozone clean protection device on drinking water machine |
| 03/31/2004 | CN2608485Y Drinking water defluorine regulating and controlling device with regenerable defluorine agent for group use |
| 03/31/2004 | CN2608484Y Sewage circulating purifying treatment device |
| 03/31/2004 | CN2608483Y Magnetizer structure |
| 03/31/2004 | CN2608482Y New type steady current water electrolysis machine |
| 03/31/2004 | CN2608481Y Disposable water purifier |
| 03/31/2004 | CN2608480Y Both automatic and manual cleaning draining water purifier |
| 03/31/2004 | CN2608479Y Household powerless sewage treatment device |
| 03/31/2004 | CN2608478Y Drug adding machine |
| 03/31/2004 | CN2608477Y Waste water treatment reactor |
| 03/31/2004 | CN2608100Y Nanometer sterilization filtering core |
| 03/31/2004 | CN2608009Y Active oxygen sterilizer |
| 03/31/2004 | CN2608006Y Ultraviolet fluid disinfection system |
| 03/31/2004 | CN1486283A Module and module system for treatment of water by ultra-violet radiation |
| 03/31/2004 | CN1486282A Device for irradiating liquids |
| 03/31/2004 | CN1486220A 浮选机 Flotation machine |
| 03/31/2004 | CN1486214A Method and device for desalting water |
| 03/31/2004 | CN1486210A 滤水器 Water Filters |
| 03/31/2004 | CN1485409A Method for handling oil refining alkaline residue |
| 03/31/2004 | CN1485288A Small-size rural automatic septic tank |
| 03/31/2004 | CN1485283A Method for making chinese Maifan stone mineralized water |
| 03/31/2004 | CN1485282A Electrochemical disinfection technology and apparatus for bacterium-containing waste water |
| 03/31/2004 | CN1485281A Process of treating ammonia nitrogen waste water by 13X molecular sieve |
| 03/31/2004 | CN1485280A Two-stage immersion combustion evaporation process for treating percolate from filling field |
| 03/31/2004 | CN1485279A Geothermal-energy seawater desalinating apparatus |
| 03/31/2004 | CN1485123A Nanometer order quartz molecule sieve filter element and the exact filtering waterer equipped with the filter element |
| 03/31/2004 | CN1485122A Separating scale and oil removal device of vortex coagulating device |
| 03/31/2004 | CN1485118A Totally-enclosed wastewater cyclic utilization purification tank |
| 03/31/2004 | CN1143876C Improved chelating resins |
| 03/31/2004 | CN1143869C Method of making and using high molecular weight acrylamide polymers |
| 03/31/2004 | CN1143829C Condensation process for cleanly preparing foamer |
| 03/31/2004 | CN1143828C Water treatment apparatus |
| 03/31/2004 | CN1143827C Apparatus for preparing sterilizing water |
| 03/31/2004 | CN1143826C Ship-type air float method and equipment for removing algae |
| 03/31/2004 | CN1143825C Distilling reagent for ammonical nitrogen in water |
| 03/31/2004 | CN1143725C Immersed membrane element and subassembly |
| 03/30/2004 | US6713771 Method and apparatus for electromagnetic irradiation of liquid |
| 03/30/2004 | US6712979 Enclosed excavator for low moisture contaminated sediment removal |
| 03/30/2004 | US6712977 Apparatus with two filter layers, absorbent between layers of basic magnesium sulfate and magnesium hydroxide, electrode for charging direct current through liquid, forming hydroxide ions which bind metal ions, forming flocs trapped by filter layer |
| 03/30/2004 | US6712976 Dual-action decontamination system |
| 03/30/2004 | US6712969 Methods of phosphorous reduction in stormwater runoff systems using iron humate |
| 03/30/2004 | US6712968 Apparatus for treating fluids |
| 03/30/2004 | US6712965 Purifying device for liquid |
| 03/30/2004 | US6712957 Stationary bilge water filter apparatus |
| 03/30/2004 | US6712951 Integrated ozone generator process |
| 03/30/2004 | US6712949 Electrochemical synthesis of hydrogen peroxide |
| 03/30/2004 | US6712947 Water purifying apparatus with electric field generator |
| 03/30/2004 | US6712882 Process for the purification of industrial waste water from a propylene oxide production process |
| 03/30/2004 | US6712342 Reverse osmosis water treatment comprisng flexible bag reservoir coupled to carbonator; beverage syrup source; drink dispenser |
| 03/30/2004 | CA2298973C Method for eliminating organophosphorus compounds contained in a gas or liquid |
| 03/30/2004 | CA2292652C Polysilicate microgels |
| 03/30/2004 | CA2095291C Composition and method for sulfide control |
| 03/25/2004 | WO2004025034A1 Collecting apparatus for an oil collector |
| 03/25/2004 | WO2004024992A1 Sparse media edi apparatus and method |
| 03/25/2004 | WO2004024828A1 Treatment of dye baths by a membrane process for the purpose of the reuse of the water and naci in the process |
| 03/25/2004 | WO2004024639A1 Method of removing organic impurities from water |
| 03/25/2004 | WO2004024637A1 Apparatus and method for removing phosphorus from waste lagoon effluent |
| 03/25/2004 | WO2004024635A2 Automatic shut-off for water treatment system |
| 03/25/2004 | WO2004024634A2 Mediated electrochemical oxidation of inorganic materials |
| 03/25/2004 | WO2004024627A1 Method for the production of highly organized crystals by means of sol-gel methods |
| 03/25/2004 | WO2004024306A1 Device for enriching gas or gas mixtures in potable water and method for enriching gas or gas mixtures in potable water |
| 03/25/2004 | WO2004024289A2 Method and apparatus for treating water |
| 03/25/2004 | WO2004024282A2 Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas |
| 03/25/2004 | WO2004024281A2 Method and system for desalinating water |
| 03/25/2004 | WO2004023898A2 Water beverage containing fibres |
| 03/25/2004 | WO2004013050A3 Solid materials for removing metals and fabrication |
| 03/25/2004 | WO2004013047A3 System for adding consumable enhancing additives to drinking water |
| 03/25/2004 | WO2004002901B1 Method for the removal of contaminant metal ions from waste water |