| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 11/21/2001 | EP1154690A1 Composition for generating chlorine dioxide |
| 11/21/2001 | EP1023116A4 Mixing apparatus |
| 11/21/2001 | EP0989898A4 Antimicrobial filter cartridge |
| 11/21/2001 | EP0858361B1 Component separation system including condensing mechanism |
| 11/21/2001 | EP0660805B1 Method of cleaning waste water and recovery of contaminants therefrom |
| 11/21/2001 | CN2460576Y Floor waste water collecting sump for toilet |
| 11/21/2001 | CN2460571Y Treatment apparatus on water pipe |
| 11/21/2001 | CN2460517Y Integral water purifying treater |
| 11/21/2001 | CN2460516Y Generation device of chlorine dioxide composition disinfectant |
| 11/21/2001 | CN2460515Y Secondary utilization water saver for waste water |
| 11/21/2001 | CN2460514Y Mixing reaction equipment for treating sewage containing oil |
| 11/21/2001 | CN2460513Y High-frequency high-energy water treater |
| 11/21/2001 | CN2460512Y Upper-drainage decanting apparatus |
| 11/21/2001 | CN1323394A Apparatus and method for measuring Nox and nitrification/denitrification rates in biochemical processes |
| 11/21/2001 | CN1323369A Soil resisting device for structure in contact with seawater |
| 11/21/2001 | CN1323280A Bottled water cooler with built-in oxygen generator and oxygen injection system |
| 11/21/2001 | CN1323279A Method and apparatus for preventing scaling in electrodeionization units |
| 11/21/2001 | CN1322918A Three-in-one garbage treating method |
| 11/21/2001 | CN1322699A Preparation of viscous water-maintaining fertilizer for planting sweetroot weed |
| 11/21/2001 | CN1322682A Technology of treating ballast sewage containig high-concentration gasoline and diesel oil |
| 11/21/2001 | CN1322681A Biological flocculant prepared with Nocardia bacteria |
| 11/21/2001 | CN1322680A Biochemical process of treating metal-containing waste water |
| 11/21/2001 | CN1322678A Composite water-purifying agent and its preparation |
| 11/21/2001 | CN1322468A Protist-killing agent |
| 11/20/2001 | US6319868 Zirconia particles |
| 11/20/2001 | US6319845 Method of purifying alkaline solution and method of etching semiconductor wafers |
| 11/20/2001 | US6319482 Treatment of fly ASH/APC residues including lead salt recovery |
| 11/20/2001 | US6319414 Driving water under pressure through interchangeable filter; monitoring elapsed time and accumulated volume of water; interchangeable gas pressure and release cylinder; drinking water treatment; sterilization |
| 11/20/2001 | US6319412 Contacting with paste mixture of magnesium hydroxide, aluminum hydroxide, calcium carbonate, magnesium orthophosphate, ferric sulfate, sodium bicarbonate and active carbon; precipitation, flocculation, separation, purification |
| 11/20/2001 | US6319411 Method of maintaining clean vertical skeins of hollow fiber membranes and system therefor |
| 11/20/2001 | US6319409 Adding polyamine cationic compound to coagulate; flocculation with polyacrylic acid; separation by flotation; digestion organic substances by activated sludge; settling, filtration |
| 11/20/2001 | US6319408 Drawing waste from septic tank into distiller; returning residue |
| 11/20/2001 | US6319407 Denitrification, nitrification and nitration; phosphor and nutrient removal; exposing biomass adhering to solid support to alternating oxidation and reduction; removal of surface sludge |
| 11/20/2001 | US6319406 Adding biosolids to reduce biosludge volume; centrifuging, concentration and drying |
| 11/20/2001 | US6319405 Wastewater disposal system |
| 11/20/2001 | US6319400 Deep bed filtration system |
| 11/20/2001 | US6319399 Isolation block |
| 11/20/2001 | US6319396 Clarifier cone for filtering and separating solids from solution |
| 11/20/2001 | US6319390 Method of and system for cleansing a toilet or urinal |
| 11/20/2001 | US6319328 Preparing aqueous catalyst solution comprising metal catalyst selected from iron compounds, chelates; maintaining solution at acidic ph, adding source of oxidizing agent; adding aqueous catalyst solution to remove contaminants |
| 11/20/2001 | CA2047432C Treatment of water |
| 11/19/2001 | CA2347941A1 Wastewater treatment plant |
| 11/18/2001 | CA2348173A1 Waste water treatment method and apparatus |
| 11/15/2001 | WO2001086073A1 Method and device for the removal of contaminant layers from water surfaces |
| 11/15/2001 | WO2001085813A2 Antimicrobial, aminofunctionalised copolymers |
| 11/15/2001 | WO2001085628A1 Apparatus and method for high speed dewatering of slurries |
| 11/15/2001 | WO2001085622A1 Apparatus and method for de-oxygenating a fluid |
| 11/15/2001 | WO2001085621A1 High functional water containing titanium and method and apparatus for producing the same |
| 11/15/2001 | WO2001085619A1 Method for the purification of effluent water from chip production |
| 11/15/2001 | WO2001085618A1 Method for treating wastewater with powders of slag generated from steel making process |
| 11/15/2001 | WO2001085617A1 Method for treating an effluent containing in particular nitrogen and/or phosphorus and/or organic matter and/or heavy metals |
| 11/15/2001 | WO2001085335A1 Apparatus for irradiating material |
| 11/15/2001 | WO2001085314A1 Tankless domestic water purifier of reverse osmosis type |
| 11/15/2001 | WO2001085313A2 Improved electrodeionization module |
| 11/15/2001 | WO2001085297A1 Electrostatic coalescer device |
| 11/15/2001 | WO2001055033A3 Water and wastewater treatment system and process for contaminant removal |
| 11/15/2001 | WO2001043784A3 Odor neutralizers |
| 11/15/2001 | WO2001038227A3 A method for anion-exchange adsorption and anion-exchangers |
| 11/15/2001 | WO2001021897A3 Fluid control systems |
| 11/15/2001 | US20010040135 Spraying waste water including nitrogen-containing organic compound in heated space to gasify, oxidizing by contacting with catalyst to convert nitrogen-containing compound into nitrogen, carbon dioxide, water vapor; semiconductor processes |
| 11/15/2001 | US20010040134 Improves efficiency and efficacy of waste water treatment by providing economical way to oxygenate waste water at early stage in treatment process and reduce odor caused by anaerobic reactions of sulfur |
| 11/15/2001 | US20010040133 Ozone generator, source of water, fluid combining means for receiving ozone from said ozone generator, for receiving water from said source of water and for introducing said ozone into water; for drinking water; reliability, compactness |
| 11/15/2001 | US20010040132 Treating fluids by exposure to line of magnetic force to facilitate removal of contaminants such as scale forming substances used in production of circuit boards |
| 11/15/2001 | US20010040129 Rotating chemical distribution cleaning system for weirs |
| 11/15/2001 | US20010040125 Fluoride including waste water processing device and method capable of processing fluoride including waste water to have low concentration of fluoride |
| 11/15/2001 | US20010040122 Assembly for purifying water |
| 11/15/2001 | US20010040121 Water treatment device with volumetric and time monitoring features |
| 11/15/2001 | US20010040102 Electrolytic wastewater treatment apparatus |
| 11/15/2001 | US20010040101 Recovery of metal from solution |
| 11/15/2001 | US20010039854 Adding at least one peroxy oxidant, the oxidant oxidizes the sulphite contained in the gold sulfite complex to sulfate and reduces the gold contained in the complex to its metallic form |
| 11/15/2001 | DE19951461A1 Water purification assembly has a filter and ultrasonic stage to prepare the water for oxidation in an electrical field in a recirculating water flow to disinfect drinking water |
| 11/15/2001 | DE10023032A1 Apparatus for storing and mixing substance comprises chamber formed by sealing base film or lower film and covering film or upper film in edge regions of chamber |
| 11/15/2001 | DE10022868A1 Mobilization and removal of metal ions from bio-suspensions in which they have been immobilized, employs cavitation, and electrode pair formed by parts of apparatus |
| 11/15/2001 | DE10022406A1 New antimicrobial copolymers used for disinfection of water or production of microbicidal coatings, obtained by copolymerisation of amino-functional acrylate or acrylamide with non-functionalised monomers |
| 11/15/2001 | DE10022313A1 Decontamination of water from e.g. dry docks to remove chemical oxygen demand and also adsorbable, organically-bonded halogens, mineral oil hydrocarbons and organo-tin compounds involves electroflotation |
| 11/15/2001 | DE10022212A1 Removing dissolved iron and manganese from water in unpressurized enrichment container, comprises using co-located infiltration and abstraction wells |
| 11/15/2001 | DE10022104C1 Removing hydrophobic phase of oil/water emulsion comprises passing emulsion through several membrane units having increasing pore sizes |
| 11/14/2001 | EP1154044A1 Recovery of metal from solution |
| 11/14/2001 | EP1153891A1 Process for biological and/or physical elimination of undesired substances from water |
| 11/14/2001 | EP1153890A2 Method and plant for treating bathing water |
| 11/14/2001 | EP1153889A1 Clarification apparatus for liquid |
| 11/14/2001 | EP1153655A2 Mixed-cation adsorbent production with single pass ion exchange |
| 11/14/2001 | EP1153645A1 Sodium-based dechlorinating agent and waste treatment equipment |
| 11/14/2001 | EP1152983A1 Controlling the outflow in cooling circuits |
| 11/14/2001 | EP1152833A1 Method and production plant for the manufacture of fibrous material |
| 11/14/2001 | EP1060131A4 Methods and compositions for treating paint spray booth water |
| 11/14/2001 | EP1056686A4 Process for recovering onium hydroxides from solutions containing onium compounds |
| 11/14/2001 | EP1042008B1 Multi-compartment plastic woven mesh dry chemistry container |
| 11/14/2001 | EP0929582B1 Cationic water-soluble polymer precipitation in salt solutions |
| 11/14/2001 | EP0842182B1 Process for the preparation of n-phosphonomethyglycine |
| 11/14/2001 | CN2459316Y Ozone disinfection detoxifying device for running water |
| 11/14/2001 | CN2459315Y Ozone water treating machine |
| 11/14/2001 | CN2459314Y Apparatus for treating drink water |
| 11/14/2001 | CN2459313Y Flocculation settling integrated apparatus for treating waste water containing arsenic, phosphorus, acid and heavy metal |
| 11/14/2001 | CN2459312Y Magnetized water automatic boiling device |
| 11/14/2001 | CN2459311Y Hydraulic vortex pneumatic floating device for separating oil from water |
| 11/14/2001 | CN2459310Y Self-controller for electric heating distilled water generator |
| 11/14/2001 | CN1322149A Ultrafiltration and microfiltration module and system |
| 11/14/2001 | CN1321613A Method for treating dye waste water by using new-type gas diffusion electrode reactor |
| 11/14/2001 | CN1321612A Vibration stirring device for sterilizing, sterilizing device and method |