| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 02/13/2013 | CN202729904U Domestic reclaimed water treatment device |
| 02/13/2013 | CN202729903U Water purification machine |
| 02/13/2013 | CN202729902U Pure water treatment system |
| 02/13/2013 | CN202729901U Reverse osmosis anion water dispenser |
| 02/13/2013 | CN202729893U Ecological treatment system for infectious waste water |
| 02/13/2013 | CN202729856U Sea water desalination system for water-electricity co-production |
| 02/13/2013 | CN202724851U Hot and cold dual-use water filter |
| 02/13/2013 | CN202722429U Circulating water treatment deacidifying system for compressed acid acetic coconuts |
| 02/13/2013 | CN102933507A Seawater desalination plant and production of high purity salt |
| 02/13/2013 | CN102928540A Concentration measuring method of total nitrogen total phosphorus total sulfate in oily wastewater |
| 02/13/2013 | CN102926452A Offline rainwater control system for road |
| 02/13/2013 | CN102926351A Ecological bag based ecological three-section treatment method for river-lake side slope |
| 02/13/2013 | CN102925203A Chemical-flooding complex emulsion integrated module processing system |
| 02/13/2013 | CN102924728A Method for preparing modified xylogen and applications thereof in wastewater treatment |
| 02/13/2013 | CN102923922A Technology for anaerobic treatment of high concentration desizing wastewater through utilizing pulverized fuel ash |
| 02/13/2013 | CN102923921A Traditional Chinese medicine wastewater treatment process |
| 02/13/2013 | CN102923920A Traditional Chinese medicine wastewater treatment process |
| 02/13/2013 | CN102923919A Technology for treating tebuconazole pesticide wastewater |
| 02/13/2013 | CN102923918A Method and device for removing high concentration ammonia nitrogen in drinking water |
| 02/13/2013 | CN102923917A Method and system for treating wastewater containing pyridine and pyridine derivatives |
| 02/13/2013 | CN102923916A Chemical pharmaceutical wastewater treatment system |
| 02/13/2013 | CN102923915A Method and system for treating domestic sewage in rural areas |
| 02/13/2013 | CN102923914A Original-position denitrification reactor in flowing water area |
| 02/13/2013 | CN102923913A Combined treatment method of oil-refining wastewater containing naphthenic acid |
| 02/13/2013 | CN102923912A Method for comprehensively treating sewage of chemical fiber oiling agents in production plants |
| 02/13/2013 | CN102923911A Natural gas purification plant high-concentration production wastewater treatment system and treatment method |
| 02/13/2013 | CN102923910A Efficient and deep treatment process for high-concentration waste water in natural gas industry |
| 02/13/2013 | CN102923909A Domestic sewage reusing system |
| 02/13/2013 | CN102923908A Sewage biochemical treatment integrated device and system and process method |
| 02/13/2013 | CN102923907A Domestic sewage treatment device |
| 02/13/2013 | CN102923906A Campus landscape water-body water-quality maintaining and self-purifying system integrating functions of landscape and biological ecological restoration |
| 02/13/2013 | CN102923905A Method and devices for treating rare-earth-smelting wastewater |
| 02/13/2013 | CN102923904A Integrated processing device and method for composite wastewater in dinitrodiazophenol production |
| 02/13/2013 | CN102923903A Textile printing and dyeing wastewater processing technology |
| 02/13/2013 | CN102923902A High-salt and low-carbon ammonia nitrogen wastewater treatment method |
| 02/13/2013 | CN102923901A Advanced treatment method of ethylene waste lye |
| 02/13/2013 | CN102923900A Solar energy assisted disinfection method and apparatus for composite artificial wetland |
| 02/13/2013 | CN102923899A Method for separating scrap irons and filtrating water through electromagnetic spiral pipe |
| 02/13/2013 | CN102923898A Integrated technology combined vehicle washing wastewater automatic recycle processing vehicle integration system |
| 02/13/2013 | CN102923897A Wastewater-free water purifier |
| 02/13/2013 | CN102923896A Deaminizing method and device for high-concentration ammonia-containing waste water |
| 02/13/2013 | CN102923895A Method for disposing cyclohexanone saponified waste liquid |
| 02/13/2013 | CN102923894A Process and device for treating reverse osmosis concentrated water through dual-membrane distillation |
| 02/13/2013 | CN102923893A System and method for treating wastewater containing sodium chloride |
| 02/13/2013 | CN102923892A Mobile emergency water reinforcement treatment device |
| 02/13/2013 | CN102923891A Microelectrolysis combined process used for waste water treatment |
| 02/13/2013 | CN102923890A Method for treating pharmaceutical wastewater |
| 02/13/2013 | CN102923889A An electrolysis device |
| 02/13/2013 | CN102923888A Method for electrochemical treatment of PVC centrifugation mother liquor and pretreatment system |
| 02/13/2013 | CN102923887A Method for treating heavy metal waste water |
| 02/13/2013 | CN102923886A System used for pre-treatment for wool washing wastewater |
| 02/13/2013 | CN102923885A Method for recovering iron sludge from stainless steel scraps recovered with chromium and nickel |
| 02/13/2013 | CN102923884A Copper foil cleaning solution recycling device and method |
| 02/13/2013 | CN102923883A Method for removing stink materials in biogas slurry |
| 02/13/2013 | CN102923882A Comprehensive treatment process of gold smelting wastewater |
| 02/13/2013 | CN102923881A Seawater circulating filtration and disinfection system for seawater swimming pool and seawater circulating filtration and disinfection method therefor |
| 02/13/2013 | CN102923880A Technology for increasing number of recycle of papermaking white water |
| 02/13/2013 | CN102923879A Double-circulation jetting type heavy metal removing method and device |
| 02/13/2013 | CN102923878A Equipment and process for modular treatment of oil field wastewater |
| 02/13/2013 | CN102923877A Treatment technology for mirabilite tailing wastewater |
| 02/13/2013 | CN102923876A System for recovering heavy metals and recycling wastewater through treating metal wastewater by using tube type filter membrane method |
| 02/13/2013 | CN102923875A Sewage treatment system and sewage treatment method |
| 02/13/2013 | CN102923874A Method for processing wastewater containing heavy metal ions |
| 02/13/2013 | CN102923873A Online water circulation purifying system for aluminum section surface treatment |
| 02/13/2013 | CN102923872A Device and method for purifying emulsified liquid |
| 02/13/2013 | CN102923871A Seawater/brackish water desalinating device for waste power-free coal mine tunnel |
| 02/13/2013 | CN102923870A Emergency seawater desalination apparatus |
| 02/13/2013 | CN102923856A Anaerobic reaction device and processing method for 1,4-butanediol chemical wastewater |
| 02/13/2013 | CN102923663A Method for recovering bromine from pure terephthalic acid (PTA) waste water |
| 02/13/2013 | CN102923292A Marine organism pollution control and ballast water treatment combined system for ship |
| 02/13/2013 | CN102921667A Energy-saving polyethylene circulating washing device |
| 02/13/2013 | CN102921424A Catalyst, LX catalytic oxidation method and antibiotic wastewater treatment method |
| 02/13/2013 | CN102503045B Biomembrane sewage processing method |
| 02/13/2013 | CN102408167B Method for realizing grey water recycling of sewage produced in waste mortar recovery process |
| 02/13/2013 | CN102381809B Coal mine domestic wastewater treatment device and treatment method |
| 02/13/2013 | CN102329057B Method for treating high concentration ammonia nitrogen landfill leachate |
| 02/13/2013 | CN102276085B Recycling treatment method for discharge water of circulating water from power plant |
| 02/13/2013 | CN102276056B Process for treating coal chemical wastewater by adding active material into activated sludge pool |
| 02/13/2013 | CN102260026B Life miscellaneous wastewater biochemical treatment device |
| 02/13/2013 | CN102240667B Electric remediation and reducing detoxication method for chromium contaminated soil and underground water |
| 02/13/2013 | CN102225828B Optimization method for fertilizer wastewater treatment process |
| 02/13/2013 | CN102225811B Treatment method for alkali deweighting process wastewater |
| 02/13/2013 | CN102173544B Hydraulic reclaimed water recycling device |
| 02/13/2013 | CN102145957B Method for constructing agricultural drainage and ecological purification system |
| 02/13/2013 | CN102145949B Tanning advanced treatment wastewater recycling device and method |
| 02/13/2013 | CN102037922B Treatment method for industrial aquiculture circulating water |
| 02/13/2013 | CN101993175B Nitrosification treatment method of ammonia nitrogen in high-concentration ammonia nitrogen wastewater |
| 02/13/2013 | CN101935136B Zero energy consumption low sludge yield municipal sewage dephosphorization and denitrification treatment method |
| 02/13/2013 | CN101903297B Method for treating water by advanced oxidation and ballasted flocculation, and corresponding treatment plant |
| 02/13/2013 | CN101875523B Coal tar processing wastewater treatment method and system |
| 02/13/2013 | CN101624241B Detergent component and manufacturing method thereof |
| 02/13/2013 | CN101560024B Sewage treatment technology and equipment thereof |
| 02/12/2013 | CA2771637A1 Apparatus for treating wastewater |
| 02/07/2013 | WO2013018819A1 Device for manufacturing drinking water and method for manufacturing drinking water |
| 02/07/2013 | WO2013017628A1 Reverse osmosis water treatment plant including a first pass having multiple stages |
| 02/07/2013 | WO2013016775A1 Method for treating industrial waste |
| 02/07/2013 | US20130032547 Stabilization and disinfection of wastes using high energy e-beam and chemical oxidants |
| 02/07/2013 | US20130032535 Enhanced High Water Recovery Membrane Process |
| 02/07/2013 | US20130032534 Denitrification process for remediation of contaminated groundwater and soil |
| 02/07/2013 | US20130032533 Integrated membrane system for distributed water treatment |