| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 02/16/2011 | CN201746873U Sand filter suitable for village |
| 02/16/2011 | CN201746432U Apparatus for strengthening treatment of coking waste water |
| 02/16/2011 | CN201746431U Medium- and low-concentration ammonia-nitrogen wastewater treatment tank |
| 02/16/2011 | CN201746430U Sequencing suspended carriers biomembrane sewage treatment device |
| 02/16/2011 | CN201746429U Novel high-concentration chemical sewage treatment device |
| 02/16/2011 | CN201746428U High concentration biochemical pharmaceutical waste water deep treating and resource reusing device |
| 02/16/2011 | CN201746427U Mechanical rotating decanter |
| 02/16/2011 | CN201746426U Biological filter wastewater treatment unit |
| 02/16/2011 | CN201746425U Treatment system for nitrogen and phosphorus in urban sewage |
| 02/16/2011 | CN201746424U Environmental-protection and high-efficiency sewage treatment system |
| 02/16/2011 | CN201746423U Filtration and magnetization device arranged on water feeding pipe of washing machine |
| 02/16/2011 | CN201746422U Degreasing processing unit |
| 02/16/2011 | CN201746421U Functional drinking-water kettle |
| 02/16/2011 | CN201746420U Photoelectric materialized water treatment system |
| 02/16/2011 | CN201746419U High-turbidity water treatment device |
| 02/16/2011 | CN201746418U Wall-mounted integrated sterilizing and algae-killing filter water purifying device of swimming pool |
| 02/16/2011 | CN201746417U Mine water treating and reusing system |
| 02/16/2011 | CN201746416U Combining bromine resin filtering core quality-grading water-supplying reverse osmosis water purification machine |
| 02/16/2011 | CN201746415U Intelligent physicochemical integrated water treatment device |
| 02/16/2011 | CN201746414U Thick water advanced oxidation filtering and absorbing treatment device for reclaimed water recycling |
| 02/16/2011 | CN201746413U Automatic monitoring and controlling device of water treatment system for recirculated cooling water |
| 02/16/2011 | CN201746412U Dyeing wastewater treatment tank |
| 02/16/2011 | CN201746411U Device for continuously treating and recovering micro powder classification tailing waste water |
| 02/16/2011 | CN201746410U Pretreatment device for reverse osmosis pure water production |
| 02/16/2011 | CN201746409U Water purification machine system with negative-pressure stop valve |
| 02/16/2011 | CN201746408U Water purification device with guide walls in clean water pond |
| 02/16/2011 | CN201746407U Efficient inactivating and energy saving ship ballast water treatment system |
| 02/16/2011 | CN201746406U Wall-mounted energy water purification machine |
| 02/16/2011 | CN201746405U Cough syrup pharmaceutical wastewater advanced treatment system |
| 02/16/2011 | CN201746404U One-to-one intelligent water saving device |
| 02/16/2011 | CN201746403U Double-membrane and double-open water purifier |
| 02/16/2011 | CN201746402U Waste-oil agent recovery device |
| 02/16/2011 | CN201746401U Nickel resource and water resource recovery device in nickel-plated waste water |
| 02/16/2011 | CN201746400U Depth treatment system for reclaimed water recycling |
| 02/16/2011 | CN201746399U Novel fully hydraulic automatic control integrated water purifying plant |
| 02/16/2011 | CN201746398U Ballast water treatment system of semi-submerged ship |
| 02/16/2011 | CN201746397U Water purification machine system with negative pressure disconnecting valve |
| 02/16/2011 | CN201746396U Water purifier system with pressure limiting stop valve |
| 02/16/2011 | CN201746374U Organic matter selection separating filtering type sewage treatment reuse device |
| 02/16/2011 | CN201746364U Pure water machine system with novel globe valve |
| 02/16/2011 | CN201744223U Zero pressure filtering and water purifying equipment |
| 02/16/2011 | CN201742903U Device for generating soda water from air |
| 02/16/2011 | CN101976053A Full-automatic operation and monitoring system of water purifier and use method thereof |
| 02/16/2011 | CN101974165A Method for recovering PVA in waste water generated by water jet abrasive material |
| 02/16/2011 | CN101974032A Method for recycling N-(Phosphonomethyl)iminodiaceticacid (PMIDA) in PMIDA production wastewater, application and special device |
| 02/16/2011 | CN101973681A Sewage treatment technology with sequencing mud membrane symbiosis method |
| 02/16/2011 | CN101973680A Integrated A2-O oxidation ditch |
| 02/16/2011 | CN101973679A Distributed sewage treatment and regeneration technology |
| 02/16/2011 | CN101973678A Bioaugmentation treatment technology of high ammonia nitrogen wastewater |
| 02/16/2011 | CN101973677A Sequencing batch submerged membrane bioreactor |
| 02/16/2011 | CN101973676A Up-flow anaerobic sludge blanket (UASB) reactor for treating easily-acidulated organic wastewater |
| 02/16/2011 | CN101973675A Method for extracting protein from fish meal processing wastewater and making wastewater up to discharge standard |
| 02/16/2011 | CN101973674A Hydrocyclone solid-liquid separation type SBR-technique domestic sewage treatment device and application method thereof |
| 02/16/2011 | CN101973673A Sewage treatment device with aerobic and anoxia reaction regions and film solid-liquid separation region |
| 02/16/2011 | CN101973672A Zero-energy consumption urban sewage dephosphorization treatment method |
| 02/16/2011 | CN101973671A Method for realizing SBR nitrosation-denitrosation at low temperature by optimally controlling aeration time |
| 02/16/2011 | CN101973670A Multistage drip composite filter tank |
| 02/16/2011 | CN101973669A Electric power storage (EPS) waste water treatment technique |
| 02/16/2011 | CN101973668A Acrylic acid industry wastewater treatment process |
| 02/16/2011 | CN101973667A Combination process and device for deep purification of contaminated surface water |
| 02/16/2011 | CN101973666A Method for synchronously removing heavy metal and nitrate from drinking water and device thereof |
| 02/16/2011 | CN101973665A A/O reactor with functions of air lift, backflow as well as rotation and mixing of reflux |
| 02/16/2011 | CN101973664A Sewage treatment equipment, method and application thereof |
| 02/16/2011 | CN101973663A Stepped water treatment experimental facility and process |
| 02/16/2011 | CN101973662A Method and system for treating industrial wastewater of photovoltaic solar cell plates |
| 02/16/2011 | CN101973661A Treatment method of processing wastewater of Chinese galls |
| 02/16/2011 | CN101973660A Recycling and pretreatment methods of raw materials containing benzene thiazole alcohol pesticide industrial wastewater |
| 02/16/2011 | CN101973659A Device and method for refining waste water by treating vitamin B12 by means of co-use of micro-electrolysis and physicochemical method |
| 02/16/2011 | CN101973658A Coal gasification phenol water pollution-free circular treatment method |
| 02/16/2011 | CN101973657A Processing device and processing method for removing nitrate from ground water |
| 02/16/2011 | CN101973656A Defluorinating process and device of domestic drinking water of villages and towns |
| 02/16/2011 | CN101973655A Water desalting treatment process and device |
| 02/16/2011 | CN101973654A Method for reducing dosage and discharge of flushing liquor for device of removing heat stable salts in solvent |
| 02/16/2011 | CN101973653A Method for treating high-concentration PAM (Polyacrylamide) production wastewater by using composite coagulation method |
| 02/16/2011 | CN101973652A Method for purifying molybdenum sulfide in heavy metal waste water containing molybdenum, and the like |
| 02/16/2011 | CN101973651A Membrane treatment method for treating trace antimony in drinking water |
| 02/16/2011 | CN101973650A Closed circulation method for sodium hypochlorite waste water treatment of acetylene purification process in polyvinyl chloride (PVC) production by calcium carbide method |
| 02/16/2011 | CN101973649A Continuous sewage treatment device for petroleum gas well |
| 02/16/2011 | CN101973648A Gravity oil and water separator |
| 02/16/2011 | CN101973647A Filter element separating straight drinking kettle |
| 02/16/2011 | CN101973646A Miniature drinking water purifying device for wilderness survival |
| 02/16/2011 | CN101973633A Environmental plant water treatment experimental device and process |
| 02/16/2011 | CN101665817B Recycling method of abamectin fermented waste water |
| 02/16/2011 | CN101525189B Method for treating wastewater containing ammonia, vanadium, chrome and sodium sulfate |
| 02/16/2011 | CN101445310B Biological treatment system and method of phenolic wastewater |
| 02/16/2011 | CN101333053B Processing method for waste water in production process of fine terephthalic acid |
| 02/16/2011 | CN101146747B Method for ground water and wastewater treatment |
| 02/15/2011 | US7887698 Diffuser/emulsifier for aquaculture applications |
| 02/10/2011 | WO2011015041A1 Wastewater treatment method and system using the method |
| 02/10/2011 | US20110031195 System and Method for Recirculating/Filtering/Flushing a Water Main |
| 02/10/2011 | DE202010008897U1 Wasserbelebungsgerät Water recovery unit |
| 02/10/2011 | DE202009014915U1 Kleinkläranlage mit photokatalytischem Kollektor und Hauswassersystem mit einer derartigen Kleinkläranlage Domestic wastewater treatment plant with photocatalytic collector and domestic water system with such a small wastewater treatment plant |
| 02/10/2011 | DE202009012539U1 Einrichtung zur Abwasserbehandlung Means for wastewater treatment |
| 02/10/2011 | DE102009036296A1 Versorgungseinrichtung zum Betreiben einer Wasserstrahlvernadelungsanlage Supply means for operating a Wasserstrahlvernadelungsanlage |
| 02/10/2011 | DE102009028162A1 Apparatus for the purification of oil-contaminated repository water from oil production, comprises a well for receiving the contaminated water, where a first partial separation of oil particles and water is carried out in the well |
| 02/09/2011 | EP1235613B1 Fluid processing systems using extracorporeal fluid flow panels oriented within a cartridge |
| 02/09/2011 | CN201737815U Double-stage anaerobic membrane bioreactor |
| 02/09/2011 | CN201737814U Underground sewage treatment device |
| 02/09/2011 | CN201737813U Oil-production wastewater biomembrane-membrane bioreactor processing device |
| 02/09/2011 | CN201737812U Integrated sewage treating and recycling device and housing estate sewage treatment system |