| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 03/10/2010 | CN101665305A Method for processing straw-pulp-papermaking wastewater by using combined UASB plus A/O technique |
| 03/10/2010 | CN101665304A Solar anaerobic granular sludge circulation reactor |
| 03/10/2010 | CN101665303A Method for treating methyl dichloro wastewater |
| 03/10/2010 | CN101665302A Processing method of effluent brine produced in MDI production process |
| 03/10/2010 | CN101665301A Resource treatment method for hydrochloric acid pickling waste liquor |
| 03/10/2010 | CN101665300A Catalytic electrolysis coupling reactor used for treating organic wastewater |
| 03/10/2010 | CN101665299A Water purifier for SPF laboratory animal drinking water |
| 03/10/2010 | CN101665298A Method for removing phthalate ester in water body by utilizing solid base catalyst |
| 03/10/2010 | CN101665297A Waste water treatment method in 1-naphthylamine-4-sodium sulfonate production process |
| 03/10/2010 | CN101665296A Nanofiltration strengthened well irrigation process for supplementing underground water by urban reused water |
| 03/10/2010 | CN101665295A Water treatment device, water treatment system and water treatment method thereof |
| 03/10/2010 | CN101665294A Method and equipment for carrying out deamination treatment on high-concentration wastewater containing ammonia nitrogen |
| 03/10/2010 | CN101665293A Fractional precipitation treatment method of wastewater containing nonferrous metal of nickel, lead and cadmium |
| 03/10/2010 | CN101665292A Purification treatment technique of drinking water and treatment system thereof |
| 03/10/2010 | CN101665291A Method of realizing zero emission by advanced treatment and reuse of dyeing waste water |
| 03/10/2010 | CN101665290A Automatically controlled water treatment device |
| 03/10/2010 | CN101665289A Treatment method of polymer flooding water of oil field |
| 03/10/2010 | CN100593522C Highly effective sewage combined treating method and device |
| 03/04/2010 | WO2010024742A1 A method for treatment of circulating water and a swimming pool circulation system having an arrangement for treating water |
| 03/04/2010 | WO2010023740A1 Method of desalinating seawater |
| 03/04/2010 | WO2008141113A9 Water treatment system and method |
| 03/04/2010 | US20100051542 Wastewater Treatment System and Method |
| 03/04/2010 | US20100051522 Wastewater Lagoon Aeration System |
| 03/04/2010 | DE102008045610A1 Arrangement for producing pure water from natural water, comprises a main body from which the natural water is guided and which is arranged in direction connection with water collector in the sense of a caisson with free interior area |
| 03/04/2010 | DE102008044950A1 Teichfilter Pond Filter |
| 03/04/2010 | DE102008039447A1 Verfahren und Vorrichtung zur Behandlung von Wasser Method and apparatus for treatment of water |
| 03/04/2010 | CA2639017A1 Super oxidation, coagulation & flocculation system for treatment of water and wastewater |
| 03/03/2010 | EP1934148B1 Method for treating aldolisation process waste waters |
| 03/03/2010 | EP1697261B1 Desalination ship and method for producing desalinated water |
| 03/03/2010 | CN201416185Y Water saving device |
| 03/03/2010 | CN201415966Y Sewage treatment equipment |
| 03/03/2010 | CN201415965Y Treatment device for treating aquaculture wastewater of pond |
| 03/03/2010 | CN201415964Y Polluted water biochemical treatment device |
| 03/03/2010 | CN201415963Y Pulp and paper making wastewater advanced treatment and recycle device based on electro-flocculation and BAF technology |
| 03/03/2010 | CN201415962Y Full-automatic multi-functional high-efficiency micro bubble oxygen-enriching machine |
| 03/03/2010 | CN201415961Y Hospital sewage treatment device |
| 03/03/2010 | CN201415960Y Intensive light pulse sterilizing and filtering device |
| 03/03/2010 | CN201415959Y Bitter water desalting device |
| 03/03/2010 | CN201415958Y Reclaimed water reuse device |
| 03/03/2010 | CN201415957Y Household purifier |
| 03/03/2010 | CN201414714Y Reverse osmosis drinking-directly machine having preprocessing device |
| 03/03/2010 | CN201414713Y Card-swiping and energy-saving multi-temperature stainless steel direct drinking fountain stand |
| 03/03/2010 | CN101659504A Laboratory waste water treatment method and device |
| 03/03/2010 | CN101659503A Membrane bioreaction-nanometer fixed state light-catalyzed reaction device |
| 03/03/2010 | CN101659502A Method for treating waste leachate by utilizing high denitrification shared type Orbal oxidation ditch |
| 03/03/2010 | CN101659501A Artificial ecological wastewater treatment unit in expressway service areas |
| 03/03/2010 | CN101659500A Dye waste water treatment system |
| 03/03/2010 | CN101659499A Combined sewage highly purifying device |
| 03/03/2010 | CN101659498A Compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas |
| 03/03/2010 | CN101659497A Processing method of mixed tail water from pharmaceutical industrial park |
| 03/03/2010 | CN101659496A High-efficiency energy-saving sewage treatment method |
| 03/03/2010 | CN101659495A Membrane distillation bioreactor device and method |
| 03/03/2010 | CN101659494A Method for treating sugar production wastewater |
| 03/03/2010 | CN101659493A Method for treating printing and dyeing wastewater |
| 03/03/2010 | CN101659492A Method for treating difficultly degraded organic wastewater |
| 03/03/2010 | CN101659491A System and method for treating urban sewage |
| 03/03/2010 | CN101659490A Method for treating xylitol wastewater |
| 03/03/2010 | CN101659489A Method for treating municipal domestic sewage |
| 03/03/2010 | CN101659488A Compound type electromagnetic water treatment system |
| 03/03/2010 | CN101659487A Zero emission method of wastewater in lead-zinc metallurgical refinery |
| 03/03/2010 | CN101659486A New technique for deeply treating industrial waste water by RO membrane |
| 03/03/2010 | CN101659485A Method and device for treating caffeine cyanide-containing waste water |
| 03/03/2010 | CN101659484A Catalytic oxidation method capable of recycling waste residues |
| 03/03/2010 | CN101659483A Method for treating high-concentrated non-degradable wastewater by using wastewater containing hydrogen peroxide |
| 03/03/2010 | CN101659482A Method for treating alkaline surfactant polymer flooding oil-field wastewater |
| 03/03/2010 | CN100593020C Reclaiming and treating method for phenolic aldehyde sewage |
| 02/25/2010 | WO2009140640A3 Water treatment system and method of using same |
| 02/25/2010 | WO2009007962A3 Method and system for backwashing a filter |
| 02/25/2010 | WO2009007961A3 Method and system for backwashing a filter |
| 02/25/2010 | US20100044317 Water purification device for arsenic removal |
| 02/25/2010 | US20100044307 Process and installation for anaerobic treatment of material having high solids concentration |
| 02/25/2010 | US20100044306 Method and apparatus using hydrogen peroxide and microwave system for slurries treatment |
| 02/25/2010 | US20100044290 System for treating water |
| 02/25/2010 | DE102008049970A1 Verfahren und Vorrichtung zur Aufbereitung von Grauwasser Method and apparatus for recycling gray water |
| 02/25/2010 | DE102008041164A1 Method for processing drinking water, brine or filling water for bathing by removing halide ions such as iodide, bromide or chlorine ion, comprises oxidative halogenation of an organic compound added to water at an anode |
| 02/25/2010 | DE102008038158A1 Extracting water from solution of salt in water, in which salt is partially present as ion, comprises conveying heat transfer fluid through flow-throughable volume to evaporate part of water, and condensing and collecting evaporated water |
| 02/24/2010 | EP2155613A1 Filter medium |
| 02/24/2010 | CN201411743Y Water gathering apparatus for recycling reclaimed water |
| 02/24/2010 | CN201411742Y Kitchen combination water treatment system |
| 02/24/2010 | CN201411402Y Seawater desalinization technique system with material water booster pump arranged behind |
| 02/24/2010 | CN201411401Y Seawater multi-effect distillation system |
| 02/24/2010 | CN201411400Y Device for processing ammonia-containing wastewater by utilizing residual heat of roasting furnace |
| 02/24/2010 | CN201411399Y Movable general minitype sewage disposing equipment |
| 02/24/2010 | CN201411398Y Semiconductor ultraviolet ultrasonic united water treating device |
| 02/24/2010 | CN201411397Y Water purifier with wastewater processor |
| 02/24/2010 | CN201411396Y External electric power-free electrolytic water machine |
| 02/24/2010 | CN201411395Y Rural well water purifier |
| 02/24/2010 | CN201411394Y Reverse osmosis membrane purified water machine without waste water discharge |
| 02/24/2010 | CN201411388Y Modular trickling filter bioreactor used for treating sewage |
| 02/24/2010 | CN101654316A Method for processing coal gasification wastewater |
| 02/24/2010 | CN101654315A Electrical biofortification domestic sewage treatment device |
| 02/24/2010 | CN101654314A Dye waste water treatment method |
| 02/24/2010 | CN101654313A Method for utilizing advanced oxidation for carrying out pretreatment on sewage and culturing engineering microalgae for carrying out sewage deep treatment and carbon dioxide emission reduction |
| 02/24/2010 | CN101654312A Device and method for continuously operation and reinforcement of biomembrane phosphate removing |
| 02/24/2010 | CN101654311A New method for processing antibiotic wastewater |
| 02/24/2010 | CN101654310A Preparation method and device of water containing high dissolved oxygen |
| 02/24/2010 | CN101654309A Intelligent pure water/ultra-pure water preparing system and automatic control method thereof |
| 02/24/2010 | CN101654308A Method for recycling valuable metals in acidic water by sodium sulfhydrate |
| 02/24/2010 | CN101654307A Device for removing phthalic acid ester in drinking water |
| 02/24/2010 | CN101654306A High-efficiency purifying method of organic waste water |