| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 06/01/2011 | CN101597129B Method for biochemically treating electroplating wastewater |
| 06/01/2011 | CN101597109B Residue, water and oil separator |
| 06/01/2011 | CN101575152B Reusable method of decanedioic acid phenol-containing wastewater |
| 06/01/2011 | CN101570375B Method for recovery and cascade utilization of waste heat of supercritical water treatment system of waste organic substances |
| 06/01/2011 | CN101544446B System for restoring bio-ecological environment of micro-polluted riverway |
| 06/01/2011 | CN101412571B Technique for reclaiming waste water of azoic dye production |
| 06/01/2011 | CN101279799B Integral water purifier |
| 06/01/2011 | CN101186402B Fenton two-stage method oxidation processing technique for paper-making and pulping waste water |
| 05/31/2011 | US7953369 System and method for inductive power supply control using remote device power requirements |
| 05/26/2011 | WO2011004226A3 Wastewater treatment tank |
| 05/26/2011 | US20110120953 Water treatment system and method |
| 05/26/2011 | US20110120921 Circulation type water purifier |
| 05/25/2011 | CN201843179U Household wastewater reuse device |
| 05/25/2011 | CN201843178U Household waste water recycling purifier |
| 05/25/2011 | CN201842740U Mobile medical sewage treatment equipment |
| 05/25/2011 | CN201842739U Efficient water distribution and collector pipe network system for wastewater land treatment process |
| 05/25/2011 | CN201842738U Integrated AO sewage treatment device |
| 05/25/2011 | CN201842737U Domestic sewage circulating purifying treatment combined tank |
| 05/25/2011 | CN201842736U Domestic sewage circulating and purifying processor |
| 05/25/2011 | CN201842735U Tanning waste water treatment recycling device based on nano catalytic electrolysis technology and membrane technology |
| 05/25/2011 | CN201842734U Diversified biological pond for removing nitrogen and phosphorus in wastewater |
| 05/25/2011 | CN201842733U Treatment device for treating seasoning wastewater |
| 05/25/2011 | CN201842732U Treatment device for treating high-salt-content organic wastewater |
| 05/25/2011 | CN201842731U Enhanced nitrogen and phosphorus removal sewage treatment system |
| 05/25/2011 | CN201842730U Deep treatment system of waste water with high organic matter concentration and high ammonia nitrogen |
| 05/25/2011 | CN201842729U Converter turbid recirculating water treatment device by utilizing superconducting high-gradient magnetic field |
| 05/25/2011 | CN201842728U Safe, healthy drinking water apparatus |
| 05/25/2011 | CN201842727U Direct-drink water purification device |
| 05/25/2011 | CN201842726U Ion kettle |
| 05/25/2011 | CN201842725U Purifier for treating high-purity water |
| 05/25/2011 | CN201842724U Combined clarifier |
| 05/25/2011 | CN201842723U Three-dimensional modularized water purifying device |
| 05/25/2011 | CN201842722U Domestic sewage reinjection stratum treatment device |
| 05/25/2011 | CN201842721U Portable water cup for purification |
| 05/25/2011 | CN201842720U Advanced wastewater treatment system |
| 05/25/2011 | CN201842719U Pretreatment device for sea water desalinization |
| 05/25/2011 | CN201842718U Water inlet and outlet pipe and blow-off pipe structure of drilling sewage continuous treatment pond |
| 05/25/2011 | CN201842717U Pond mouth plate structure of drilling sewage continuous treatment pond |
| 05/25/2011 | CN201842716U Processing system for water recovery in electroplating |
| 05/25/2011 | CN201842715U Inland-river shipborne reverse osmosis water purifier |
| 05/25/2011 | CN201842714U Domestic direct drinking fountain with function of water purification |
| 05/25/2011 | CN201842713U Oil-water separator |
| 05/25/2011 | CN201842712U Sewage processor |
| 05/25/2011 | CN201842711U Medical water centralized preparation and quality-graded direct supply system |
| 05/25/2011 | CN201842710U Wastewater-free water purifier |
| 05/25/2011 | CN201842709U Skid-mounted sump oil and sewage pretreatment device |
| 05/25/2011 | CN201842708U Purifying device for online separation of metal salt and free acid in pickling solution |
| 05/25/2011 | CN201842707U Integrated pure water preparation apparatus |
| 05/25/2011 | CN201842706U Novel treatment device for bath water |
| 05/25/2011 | CN201840387U Instant cycling system for energy-saving shower |
| 05/25/2011 | CN201840318U Automatic drinking water device |
| 05/25/2011 | CN201840239U Portable boiled water filtering and mineralizing straw |
| 05/25/2011 | CN1962494B Bioreactor |
| 05/25/2011 | CN102070478A Method for recycling dimethylformamide in water through pervaporation and rectification coupling technology |
| 05/25/2011 | CN102070434A Treatment method for waste liquid produced during production of maleimide compound |
| 05/25/2011 | CN102070284A Advanced treatment device for novel coating wastewater |
| 05/25/2011 | CN102070283A Technique for efficiently treating livestock/poultry culture wastewater |
| 05/25/2011 | CN102070282A Integrated membrane biological sewage treatment and recycled water reusing equipment |
| 05/25/2011 | CN102070281A Double-layer composite biological denitrification device and method |
| 05/25/2011 | CN102070280A Advanced treatment and recycling device and method of papermaking wastewater |
| 05/25/2011 | CN102070279A Method for treating municipal sewage by adopting millipore FBR (Filter Bio-reactor) |
| 05/25/2011 | CN102070278A Distributed domestic sewage treatment method based on water discharging pipeline |
| 05/25/2011 | CN102070277A Coal gasification wastewater treatment process |
| 05/25/2011 | CN102070276A Device and method for treating sewage wastewater by autocontrol acoustic method used for reducing sludge water content and improving bypass flow properties |
| 05/25/2011 | CN102070275A Novel integrated water treatment device |
| 05/25/2011 | CN102070274A Method and device for treating sulfonated wastewater by using calcium salt precipitation method |
| 05/25/2011 | CN102070273A Quantum resonance isotonic water treatment device |
| 05/25/2011 | CN102070272A Wastewater evaporation concentration process and device system |
| 05/25/2011 | CN102070271A Heating disinfection system of water for cultivation of alga |
| 05/25/2011 | CN102070270A Sonochemical-synergizing-electrochemical method for continuously treating oilfield wastewater |
| 05/25/2011 | CN102070269A Disinfection method combining ultraviolet with composite disinfectant used for source water of Huangpu River |
| 05/25/2011 | CN102070268A Environmentally-friendly treatment method and device for organic sewage |
| 05/25/2011 | CN102070267A Method for treating high-concentration acidic wastewater containing phosphorus and fluorine |
| 05/25/2011 | CN102070266A Method for recycling industrial cleaning wastewater and device thereof |
| 05/25/2011 | CN102070265A Zero emission process of vanadium extraction wastewater |
| 05/25/2011 | CN102070264A Method for removing cyanide, thiocyanate, COD and arsenic in waste liquid |
| 05/25/2011 | CN102070263A Coking phenol cyanogen sewage treating method |
| 05/25/2011 | CN102070262A Composite permeable reactive barrier and in-situ treatment method thereof |
| 05/25/2011 | CN102070261A Hexavalent chromium-containing waste water treatment method |
| 05/25/2011 | CN102070260A Wastewater recycling method and device for collection pipe section of dry distillation system for oil shale |
| 05/25/2011 | CN102070259A Method and device for processing and recycling nickel plating waste water |
| 05/25/2011 | CN102070258A Reverse osmosis system with compressed air blowing function |
| 05/25/2011 | CN102070257A Piston pressurization cascade filtration integrated portable water purifier |
| 05/25/2011 | CN102070256A Water purifier for eliminating pollution of heavy metal |
| 05/25/2011 | CN102070220A Mulching-film sand filter pond and method for disposing of raw water used for prawn culture |
| 05/25/2011 | CN102069089A Method for automatically treating high-concentration toxic organics in soil or water |
| 05/25/2011 | CN101704600B Segmented treatment method of high-concentration high-chromaticity dye wastewater |
| 05/25/2011 | CN101638290B Strengthened land domestic sewage treatment device with built-in biological porcelain granule pipe |
| 05/25/2011 | CN101638289B Strengthened land domestic sewage treatment system with built-in filter cloth trench |
| 05/25/2011 | CN101638286B Treatment method of sewage containing dyeing wastewater |
| 05/25/2011 | CN101633544B Processing method for recycling electroplating concentrated control zone electroplating waste water resource |
| 05/25/2011 | CN101613085B Method for extracting bromine from chloride-calcium type oil field water |
| 05/25/2011 | CN101580332B Tubificidae-microorganism symbiotic system muddy water degradation batch reactor and application thereof |
| 05/25/2011 | CN101580331B Tubificidae-microorganism symbiotic system muddy water degradation continuous flow reactor and application thereof |
| 05/25/2011 | CN101565258B Compound technology of biomembrane and granular sludge for treating sulfur-bearing organic wastewater |
| 05/25/2011 | CN101555082B Wastewater treatment method and device combining electrochemical degradation and photocatalysis oxidation technologies |
| 05/25/2011 | CN101514071B Acrylon sewage triphase catalytic oxidation advanced treatment technique |
| 05/25/2011 | CN101486522B Whole set water treatment apparatus for pure oxygen biological active carbon |
| 05/25/2011 | CN101445306B Coking wastewater treating method |
| 05/25/2011 | CN101402507B Constant-water level CAST wastewater treatment method and system |