| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 11/23/2005 | CN1699223A Method of preparing pure water using metallurgic sewage |
| 11/23/2005 | CN1699222A Treatment process for industrial wastewater of VB12 production and dedicated wastewater treatment machine therefor |
| 11/23/2005 | CN1699221A Zero discharge process for treating sewage during smelting process |
| 11/22/2005 | US6966993 Ballasting with micro-sand or other dense granular material using liquid cyclone treatment; pollution control |
| 11/22/2005 | US6966986 Under the counter filter installation |
| 11/17/2005 | WO2005108313A1 A method and a system for purifying water from a basin, in particular a swimming pool |
| 11/17/2005 | WO2005108307A2 Apparatus and process for water conditioning |
| 11/17/2005 | WO2005108301A1 Ballast water system |
| 11/17/2005 | US20050252866 Inline liquid filter with pulsed light sterilization |
| 11/17/2005 | US20050252860 Fountain solution recycling system for commercial printers |
| 11/17/2005 | US20050252842 Pool filter with a pre-filtering unit |
| 11/17/2005 | US20050252261 System and method for composting-free disposal of organic wastes |
| 11/17/2005 | DE202005014809U1 Portable water purification appliance, to give clean drinking water, has a container for the water to be forced by an overpressure through filters without requiring a connection to water mains or a power supply |
| 11/17/2005 | DE102004019962A1 Small portable plant for treatment of raw domestic sewage and gray water includes provisions for sedimentation, activated sludge treatment, and maintenance |
| 11/17/2005 | CA2566050A1 A method and a system for purifying water from a basin, in particular a swimming pool |
| 11/16/2005 | CN2740602Y Sewage treater of infectious disease hospital |
| 11/16/2005 | CN1227167C Anaerobic treatment - aerobic treatment - reclamation method for treating flax degumming sewage |
| 11/15/2005 | US6964740 System and method of gas energy management for particle flotation and separation |
| 11/15/2005 | US6964739 Device and method for generating and applying ozonated water |
| 11/10/2005 | WO2005105679A1 Sewage treatment device and method |
| 11/10/2005 | WO2005105264A1 Apparatus and method for aeration of wastewater |
| 11/10/2005 | US20050247639 Reduction in biological oxygen demand levels in waste water effluents |
| 11/10/2005 | US20050247638 adding buffers and conditioners to water, causes precipitation of solids, then removing the precipitated solids, conditioners and buffers for disposal; water treatment; softening hard water |
| 11/10/2005 | US20050247571 Contaminant removal apparatus and installation method |
| 11/10/2005 | DE10352636B4 Verfahren und Anlage zur Aufbereitung von Abwässern auf Schiffen Method and apparatus for treatment of waste water on ships |
| 11/09/2005 | EP1593654A1 Process for treating waste waters containing aromatic nitro compounds |
| 11/09/2005 | EP1593133A2 Inductive coil assembly |
| 11/09/2005 | EP1458647B1 Method for treating circulating water in coagulation devices of paint installations |
| 11/09/2005 | CN1694847A Method of removing organic impurities from water |
| 11/09/2005 | CN1694845A Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent |
| 11/09/2005 | CN1694757A Process for mixing treatment additives to contaminated liquids |
| 11/09/2005 | CN1693241A Process for treating organic sewage by three section method and its apparatus |
| 11/09/2005 | CN1693240A Process for sewage strengthening first stage treatment by sludge activating and concentrating return-flow |
| 11/09/2005 | CN1693239A Tech. process for reducing mineralization of extracting oil sewage |
| 11/09/2005 | CN1693238A Autocontrolling apparatus for reclaimed water treatment system |
| 11/09/2005 | CN1693237A High oxidizing filtering system |
| 11/09/2005 | CN1226207C Process for desalinating seawater and comprehensive system for electric generation |
| 11/09/2005 | CN1226206C Oxygen-containing water reflux and bioactive carbon waste water treating method and equipment |
| 11/09/2005 | CN1226205C Method of treating oil field waste water using flocculation electro multiphase catalysis |
| 11/09/2005 | CN1226204C Household domestic sewage treating method and its device |
| 11/09/2005 | CN1226195C Activated carbon filter, ceramic filter element and water purification system mounted with the two filters |
| 11/03/2005 | WO2005102941A1 Water purification apparatus and method of using the same |
| 11/03/2005 | WO2005102937A1 Method and apparatus for removing contaminants from water |
| 11/03/2005 | US20050244282 Biological wastewater purification device |
| 11/03/2005 | US20050242024 Using a mixed microbiotic culture, particularly of photosynthetically active microorganisms and luminous bacteria, in which the photosynthetically active microorganisms are stimulated to photosynthesis by the light emitted by the luminous bacteria; use in both public and private installations |
| 11/03/2005 | US20050242019 Fountain solution recycling system for commercial printers |
| 11/03/2005 | DE102004017628A1 Verfahren zur Aufarbeitung von aromatische Nitroverbindungen enthaltenden Abwässern Process for working up effluents containing aromatic nitro compounds |
| 11/03/2005 | CA2562365A1 Method and apparatus for removing contaminants from water |
| 11/02/2005 | EP1591424A1 Biological waste water treatment plant |
| 11/02/2005 | EP1591422A1 Method of treating wastewater containing hardly decomposable harmful substances |
| 11/02/2005 | EP1590877A1 Adaptive inductive power supply |
| 11/02/2005 | EP1590867A2 Adaptive inductive power supply with communication |
| 11/02/2005 | EP1590300A2 Sanitization system and system components producing ozonated liquid |
| 11/02/2005 | EP1307405B1 Method and device for treating waste water from launderettes |
| 11/02/2005 | CN2737790Y Livestock farm waste water treatment apparatus capable of automatic filtering solid waste materials |
| 11/02/2005 | CN2737789Y A two-stage water purifier |
| 11/02/2005 | CN1689993A Highly effective waste water treatment technique |
| 11/02/2005 | CN1689992A Technique for treating waste water containing natural gas antifreezing agent by ozone and biochemical process |
| 11/02/2005 | CN1225417C Saponin waste water handling method |
| 11/01/2005 | US6960302 Ion exchange resin beads of larger particle size to allow higher flow rates at normal bed depths in fractal liquid transfer manifold |
| 11/01/2005 | US6960301 Water treatment in portable pollution control apparatus by filtration, precipitation, flocculation, and/or destroying phytopathogens, then oxidizing and polishing |
| 10/27/2005 | WO2005100257A1 WATER PURIFICATION for use in ice machines and beverage machines |
| 10/27/2005 | WO2005100253A1 Method of treating strongly acid wastewater containing harmful substance |
| 10/27/2005 | WO2005099915A1 Inorganic film forming process and system |
| 10/27/2005 | US20050236338 Ozone purification system for water |
| 10/27/2005 | US20050236335 Method and apparatus for removing contaminants from water |
| 10/27/2005 | US20050236326 Coarse bubble diffuser for aeration of deep tanks (20 feet or more) at a sufficient flow to to prevent settling of the solids without the need for a mechanical mixer, and for oxygen supply to microorganism within the aeration tank |
| 10/27/2005 | US20050236311 Manually controlled skimming of industrial oil contaminants |
| 10/27/2005 | CA2561358A1 Method of treating strongly acid wastewater containing toxic substances |
| 10/26/2005 | CN1686874A Technique of enzyme method for treating organic wastewater and matched equipment |
| 10/26/2005 | CN1686873A Wastewaer treatment method in grades, multistage, and multiple biofacies |
| 10/26/2005 | CN1686872A Method for removing ammonia nitrogen from sewage in subzone |
| 10/26/2005 | CN1686871A Method for preparing antiager from wastewater of alkali weight reduction |
| 10/26/2005 | CN1686870A Technique for processing reclamation of industrial wastewater from printing electronic circuit board |
| 10/20/2005 | WO2005097294A1 Fluid filter apparatus and method |
| 10/20/2005 | WO2005049205A3 Water treatment system and method |
| 10/20/2005 | US20050230325 Methods and apparatuses for filtering water |
| 10/20/2005 | US20050230318 A premix of polydiallyldimethylammonium chloride and aluminum chlorohydrate is injected into the wastewater, and after at least a two second delay, a wetted anionic flocculent (polyacrylamide-co-acrylate) solution is injected into the water to react with the cationic charged coagulated particles formed |
| 10/20/2005 | US20050230309 Functional water with deodorization activity and sterilization activity against multi-drug resistent bacteria, and a preparation method thereof |
| 10/20/2005 | US20050230307 Periphyton filtration pre- and post-treatment system and method |
| 10/20/2005 | US20050230299 Waste water purification apparatus and waste water purification method including the regeneration of used coagulant |
| 10/20/2005 | US20050230268 electrolytic cells including water tanks, electrodes and a direct current power source, used for trapping and precipitating gramnegative bacteria from water; water treatment |
| 10/19/2005 | EP1585587A1 Filter cartridge having bypass feature |
| 10/19/2005 | EP1272434B1 Method and device for producing ultrapure water |
| 10/19/2005 | CN2734747Y High-concentration electrolytic ozone water generating device |
| 10/19/2005 | CN2734743Y High-oxygen electrolytic ozone water generating device |
| 10/19/2005 | CN2734742Y Multifunctional peroxy water machine |
| 10/19/2005 | CN1684913A Wastewater treatment method by membrane bioreactor |
| 10/19/2005 | CN1684753A System comprising fluid treatment module and a support structure |
| 10/19/2005 | CN1683261A Processing technology for tobacco thin sheet waste water by paper-making method |
| 10/19/2005 | CN1683260A Circulation water treating system and its processing method |
| 10/18/2005 | US6955796 Process for total environmental remediation of a phosphorus contaminated site |
| 10/18/2005 | US6955765 Recycled irrigation water treatment system |
| 10/13/2005 | WO2005095286A1 Dewatering process |
| 10/13/2005 | WO2005095284A1 Water purification system |
| 10/13/2005 | WO2005095280A1 Apparatus for producing ultrapure water |
| 10/13/2005 | US20050224424 residual benzene and/or nitrobenzene is/are stripped out of the alkaline waste water, and the alkaline waste water is heated to a temperature of from 150 to 500 degrees C. under excess pressure with the exclusion of oxygen |
| 10/13/2005 | US20050224335 Apparatus and method for photocatalytic purification and disinfection of fluids |
| 10/13/2005 | DE102004014517A1 Reducing chemical oxygen demand and degrading lipophilic material in waste water comprises feeding to gravity separator and then to flotation tank, microflocs produced, supported by bubbles, being fed back to gravity separator |
| 10/13/2005 | CA2558143A1 Dewatering process |