| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 01/05/2010 | US7641868 lead wires having cathode and anode are alternately wound on a body in the horizontal direction, the cell is disposed in plural in the vertical direction to the flow of water by a given distance so that a plasma reaction is generated between both lead wires in the linear direction, increased efficiency |
| 01/05/2010 | CA2597756C Water treatment system |
| 12/31/2009 | US20090324790 Methods and systems for reconditioning food processing fluids |
| 12/31/2009 | DE102008030809A1 Method for water recovery and/or cleaning of wastewater, by carrying out pressure less biologically active step in a self-tensioning, finely-meshed mesh for self-effacement of coarse material, which is washed for avoiding faecal sludge |
| 12/31/2009 | DE102008030468A1 Clarification plant comprises a pre-clarification basin and a biological stage with biomass in which a container is arranged in which plates guided parallel to each other are arranged in a flow path for water to be clarified |
| 12/31/2009 | DE102008029923A1 Verfahren und Vorrichtung zur Wasseraufbereitung Method and apparatus for water treatment |
| 12/30/2009 | WO2009120384A3 Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods |
| 12/30/2009 | CN201372244Y Integrated waste water and flue gas dust treatment system |
| 12/30/2009 | CN201372243Y Small-scale biological sewage treatment and recycling device |
| 12/30/2009 | CN201372242Y Waste disposal plant for catering |
| 12/30/2009 | CN201372241Y Waste water recycling device |
| 12/30/2009 | CN201372240Y Emergency drinking water purifying and processing device |
| 12/30/2009 | CN201372239Y Reverse osmosis concentrate reusing device |
| 12/30/2009 | CN201372238Y Ferrum and manganese removing device |
| 12/30/2009 | CN201372237Y Waste liquid treatment device for car-based oilfield operation |
| 12/30/2009 | CN201372236Y Ultrapure water machine |
| 12/30/2009 | CN201372235Y Integrated reclaimed water advanced treating equipment |
| 12/30/2009 | CN201370467Y Intelligent temperature-control active water direct drinking machine |
| 12/30/2009 | CN101613170A Method for treating high-concentration formaldehyde wastewater |
| 12/30/2009 | CN101613169A Unpowered sewage disposal device |
| 12/30/2009 | CN101613168A Method for purifying aquaculture wastewater for prawns |
| 12/30/2009 | CN101613167A Method for treating recycled printing and dyeing sewage |
| 12/30/2009 | CN101613166A Recycling treatment process of high-concentration ammonia nitrogen waste water |
| 12/30/2009 | CN101613165A Control method of bromate in bottled drinking water |
| 12/30/2009 | CN101613164A Inclined tube floating device for waste water treatment |
| 12/30/2009 | CN101613163A Rubbish percolate treatment process |
| 12/30/2009 | CN101613162A Treatment method for recycling electroplating wastewater |
| 12/30/2009 | CN101613161A Method for treating and using sintering flue gas desulphurization wastewater and special device thereof |
| 12/30/2009 | CN101613160A Efficient integrative ceramic wastewater treatment device |
| 12/30/2009 | CN101613159A Method for treating waste circulating cooling water in heat-engine plant |
| 12/30/2009 | CN101613158A Double-membrane water treatment method of water tank with no ultrafiltration products |
| 12/30/2009 | CN100575313C Method for producing organic fertilizer using formaldehyde waste water to ferment |
| 12/30/2009 | CN100575283C Method and apparatus for treating organic liquid waste |
| 12/30/2009 | CN100575282C Refuse leachate treatment technology |
| 12/30/2009 | CN100575281C Processing method for low concentration organic pollutant in water |
| 12/29/2009 | US7639514 Adaptive inductive power supply |
| 12/29/2009 | US7639110 Inductively powered apparatus |
| 12/29/2009 | US7638067 Food processing effluent refurbishing system and method |
| 12/29/2009 | US7638047 Water filter having zeolite layers and activated carbon layer |
| 12/24/2009 | US20090314700 Apparatus for treatment of organic waste material and method for separating and recovering liquid material |
| 12/24/2009 | US20090314699 Water Purification Apparatus |
| 12/24/2009 | DE102008028755A1 Method for the production of magnetized water, comprises screwing a plastic filter on a commercial water bottle and using magnets in the filter, which has screw threads at its both ends |
| 12/24/2009 | DE102008028003A1 Process for continuous cleaning of process water in the paper industry, comprises contacting the process water to be cleaned in an anaerobic reactor with anaerobic microorganisms in order to reduce impurities in waste water |
| 12/24/2009 | DE102008026745A1 Verfahren zur Aufbereitung von alkalischen Spülwässern Method for conditioning alkaline rinsing waters |
| 12/23/2009 | EP1660138B1 Filter assembly for a reprocessor |
| 12/23/2009 | CN201367387Y Biological-zoological combination device for purifying dirty water |
| 12/23/2009 | CN201367386Y Membrane bioreactor |
| 12/23/2009 | CN201367385Y Membrane bioreactor sewage disposal device |
| 12/23/2009 | CN201367384Y Equipment for treating high-concentration organic industrial wastewater |
| 12/23/2009 | CN201367383Y High-permeability nanometer central direct-drinkable water dispenser |
| 12/23/2009 | CN201367382Y Novel central water treatment device |
| 12/23/2009 | CN201367381Y Full automatic ultra-pure water treatment system |
| 12/23/2009 | CN201367380Y Aquaculture water purifying device |
| 12/23/2009 | CN201367379Y Electrolytic-water direct drinking water machine |
| 12/23/2009 | CN201367378Y Simple system capable of efficiently recovering and utilizing PTA device to refine motor solution |
| 12/23/2009 | CN201367377Y Novel slime water purifier |
| 12/23/2009 | CN201367376Y Full-automatic digital remote control water treatment device |
| 12/23/2009 | CN101608543A Cleaning fracturing outlet liquid recovery oil displacement and plugging relief technology |
| 12/23/2009 | CN101608542A Biological enzyme fracturing outlet liquid recovery oil displacement and plugging relief technology |
| 12/23/2009 | CN101608463A Household water-saving system |
| 12/23/2009 | CN101608445A Engineering underground raw water recharging method |
| 12/23/2009 | CN101607780A Process for treating tar product wastewater |
| 12/23/2009 | CN101607779A River denitriding device with multi-oxidation reducing environment alternation |
| 12/23/2009 | CN101607778A Water body purifying method of A/O artificial floating island |
| 12/23/2009 | CN101607777A Lurgi furnace coal gasification wastewater treatment and reuse technology |
| 12/23/2009 | CN101607776A Brewery wastewater treatment device and treatment method |
| 12/23/2009 | CN101607775A Technology for processing organic sewage by combined system of earthworm ecological filter tank and denitrifying biologic filter tank |
| 12/23/2009 | CN101607774A Apparatus and method for treating sewage |
| 12/23/2009 | CN101607773A Method for treating chlorinated polyethylene wastewater |
| 12/23/2009 | CN101607772A Supercritical water treatment and resource utilization system for waste organic matter |
| 12/23/2009 | CN101607771A Multi-source ultraviolet light catalyzed chlorine disinfection method for drinking water |
| 12/23/2009 | CN101607770A Method for regeneration treatment of industrial waster water treating water |
| 12/23/2009 | CN101607769A Technology for treating waste water containing ammonia nitrogen |
| 12/23/2009 | CN101607768A Steel wastewater regenerating and recycling combined process |
| 12/23/2009 | CN101607752A Nuclear magnetic super-dimensional water processor |
| 12/23/2009 | CN101606507A Method for rapidly abating over standard nitrite in prawn desalination culture water |
| 12/23/2009 | CN101606506A Intensive circulating water culture system |
| 12/23/2009 | CN100572524C Oil field re-injection water microbiological treatment |
| 12/23/2009 | CN100572308C Urea-containing analytic waste water treatment system and method |
| 12/23/2009 | CN100572307C Process for removing nitrogen and phosphor using traditional waste water treatment process |
| 12/23/2009 | CN100572306C System and technique for processing oily wastewater with high salinity |
| 12/23/2009 | CN100572305C Method for treating acrylonitrile quenching technique waste water |
| 12/23/2009 | CN100572298C Method and system for recovering, reutilizing and treating electroplating water |
| 12/23/2009 | CN100571839C System to produce drinking water |
| 12/17/2009 | CA2727096A1 Method and system for treating water and utilizing a membrane filtering system |
| 12/16/2009 | EP1786734B1 Double-layered compacted solid water-purification product and process for making it |
| 12/16/2009 | CN201363988Y Refrigerator direct-drinking pure water all-in-one machine |
| 12/16/2009 | CN201362873Y Household solar water-saving device |
| 12/16/2009 | CN201362632Y Sewage treatment and reuse integrated device |
| 12/16/2009 | CN201362631Y Sewage integrated treatment device |
| 12/16/2009 | CN201362630Y Wastewater treatment unit |
| 12/16/2009 | CN201362629Y Urban and rural household integrated manual/automatic sewage ultraviolet water purifier |
| 12/16/2009 | CN201362628Y Reverse osmosis membrane water treatment device for resisting microbial contamination |
| 12/16/2009 | CN201362627Y Purification direct-drinking device for condensed water of air conditioner |
| 12/16/2009 | CN201362626Y Rural drinking water purification device |
| 12/16/2009 | CN201362625Y Waste water disposal pipe chute floating and sinking device |
| 12/16/2009 | CN201362624Y Ultrapure water purifier with online monitoring function for total organic carbon (TOC) |
| 12/16/2009 | CN201362623Y Three-way three-display multifunctional ultrapure water purifier |
| 12/16/2009 | CN201362622Y Manual draining built-in activated carbon filter |
| 12/16/2009 | CN201362621Y Field integrated water purification rod |