| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 11/16/2011 | CN202038943U Anaerobic ammonium oxidation, methanation and denitrification UASB (upflow anaerobic sludge blanket) device |
| 11/16/2011 | CN202038942U Underground purifying system relaying on natural circulation to absorb heat |
| 11/16/2011 | CN202038941U Device for processing waste water by utilizing production line afterheat during dipping production |
| 11/16/2011 | CN202038940U Enclosed sewage transfer box |
| 11/16/2011 | CN202038939U Fluorine-contained wastewater treatment system |
| 11/16/2011 | CN202038938U Waste water recovering and recycling device used for producing spunlaced nonwoven materials |
| 11/16/2011 | CN202038937U Terminal water purifier |
| 11/16/2011 | CN202038936U Field portable hand-powered water purifier |
| 11/16/2011 | CN202038935U Oil separating and lifting integrated equipment |
| 11/16/2011 | CN202038934U Multi-stage serially-connected fluidized bed reclaimed water purification tower |
| 11/16/2011 | CN202038933U Water-saving type pure water purifying system |
| 11/16/2011 | CN202038932U Stevia production equipment capable of recycling waste acid and alkali liquor |
| 11/16/2011 | CN202038931U Water purifier |
| 11/16/2011 | CN202038930U Intelligent field drinking water purifying system |
| 11/16/2011 | CN202038929U Waste water purification device used for wet desulphurization process |
| 11/16/2011 | CN202038928U Artificial zeolite sewage land treatment system |
| 11/16/2011 | CN202038927U Coating wastewater treatment and reclaimed water recycling system |
| 11/16/2011 | CN202038926U Portable manual tube type membrane water purifier |
| 11/16/2011 | CN202038925U Recycling system of plate-wiping liquid in gravure printing wastewater |
| 11/16/2011 | CN202038898U Water purification machine without tail water discharge |
| 11/16/2011 | CN202036866U Activated carbon filter tank with automatic filter |
| 11/16/2011 | CN102241894A Method for recovering dye and dispersing agent from dispersed dye production wastewater |
| 11/16/2011 | CN102241462A Bypass sludge reduction and silt separation and denitrification and dephosphorization waste water treatment system and method |
| 11/16/2011 | CN102241461A Deep treatment system for bio-pharmaceutical organic wastewater |
| 11/16/2011 | CN102241460A Modularized underground sewage treating system based on cylindrical precast element |
| 11/16/2011 | CN102241459A Method for reinforcing adsorption-biodegradation (AB) denitrification technology by use of heterotrophic nitrification-aerobic denitrification bacteria |
| 11/16/2011 | CN102241458A Xanthan waste water treatment process |
| 11/16/2011 | CN102241457A Integrated underground economical sanitary sewage treatment apparatus |
| 11/16/2011 | CN102241456A Hospital waste water treatment system |
| 11/16/2011 | CN102241455A Industrial water purifier |
| 11/16/2011 | CN102241454A Method for remediating contaminated underground water in situ on basis of persulfate thermal activation technique |
| 11/16/2011 | CN102241453A Treatment method for coal gasification wastewater containing phenol and ammonia |
| 11/16/2011 | CN102241452A Algae-removing method |
| 11/16/2011 | CN102241451A Degradation method for halogenated disinfection by-products |
| 11/16/2011 | CN102241450A Device for catalyzing wastewater processing with solar visible light |
| 11/16/2011 | CN102241449A Method for treating electroplating wastewater based on low voltage pulsed electric flocculation technology |
| 11/16/2011 | CN102241448A Comprehensive utilization method of sodium sulfate wastewater |
| 11/16/2011 | CN102241447A Process for separating calcium and magnesium ions from waste water containing manganese |
| 11/16/2011 | CN102241446A Mine wastewater treatment method and device |
| 11/16/2011 | CN102241445A Method for removing and recycling phosphorus from phosphorus-rich water bodies or sewage by using natural mineral mixture |
| 11/16/2011 | CN102241444A Novel blowoff and oxidation combined tower for polluted groundwater |
| 11/16/2011 | CN102241443A Processing apparatus of anion-containing dye wastewater |
| 11/16/2011 | CN102240667A Electric remediation and reducing detoxication method for chromium contaminated soil and underground water |
| 11/16/2011 | CN102240661A Pretreatment method and equipment for household garbage |
| 11/16/2011 | CN102001779B Method for treating electroplating waste water containing heavy metal by electric flocculation-active carbon adsorption method |
| 11/16/2011 | CN101891356B Landfill leachate treatment method realizing zero sludge discharge |
| 11/16/2011 | CN101880100B Water quality improving method by algae control of compound ecological environment-protection algae control agent |
| 11/16/2011 | CN101870541B Method for circularly purifying water body of urban riverway ashore |
| 11/16/2011 | CN101863590B Combined anoxic/aerobic enhanced biological activated carbon dynamic membrane nitrogen and phosphorus removal process |
| 11/16/2011 | CN101844840B Portable water purifier for use after earthquake disaster |
| 11/16/2011 | CN101811802B Online cleaning anaerobic micro-mesh reactor |
| 11/16/2011 | CN101781061B Method for plant arrangement of vertical flow and horizontal subsurface flow combined artificial wetland |
| 11/16/2011 | CN101759332B Family domestic sewage recycling treatment process |
| 11/16/2011 | CN101723430B Method for comprehensive utilization of waste water generated in purifying process of citric acid |
| 11/16/2011 | CN101704620B MBR purification method and system of domestic grey water |
| 11/16/2011 | CN101704594B Device and method for purifying printing and dyeing advanced treatment wastewater |
| 11/16/2011 | CN101703866B Smoke adsorption type biological desulphurization technology |
| 11/16/2011 | CN101696060B Integral water purifier with the function of precipitation, degreasing and high-turbidity filtering |
| 11/16/2011 | CN101691267B Air lift and return integrated sewage treatment device |
| 11/16/2011 | CN101624231B Method for improving sewage treatment speed in low temperature environment |
| 11/16/2011 | CN101525190B Efficient wastewater treating process based on Fenton reaction |
| 11/16/2011 | CN101405014B Water having anticancer action and method for producing the same |
| 11/16/2011 | CN101269897B Method and system for processing sanitary sewage with anoxygenous-aerobic vertical current artificial wet land |
| 11/15/2011 | USRE42907 Device for conditioning water produced by air conditioning or environmental dehumidification apparatuses or plants |
| 11/14/2011 | DE202011104284U1 Luft- und Schmutzabscheider mit Elastomermembran-Entlüfter Air and dirt separator with elastomeric membrane Breather |
| 11/10/2011 | WO2011139089A2 Energy-saving natural downflow type of clean-water and sewage/wastewater treatment device |
| 11/10/2011 | WO2011107984A3 System and process for the treatment of wastewater comprising organic materials, phosphate and ammonium |
| 11/10/2011 | WO2011096636A3 Advanced treatment system of wastewater having plasma discharging vessel |
| 11/10/2011 | US20110275319 Adaptive inductive power supply with communication |
| 11/10/2011 | US20110273026 Adaptive inductive power supply with communication |
| 11/10/2011 | US20110272351 Chlorinator for a biosand filter |
| 11/10/2011 | DE102010019389A1 Decontaminating drinking water supply system, comprises separating the system to be decontaminated for a duration from drinking water supply and incorporating into separate water circulation, which is filled with fresh water |
| 11/09/2011 | EP2385102A2 Method for operating a biomass reactor and biomass reactor |
| 11/09/2011 | EP2384313A1 Methods and means for economically assuring improved potable water quality management for aircraft and other applications |
| 11/09/2011 | EP2384311A1 Water desalination plant and system for the production of pure water and salt |
| 11/09/2011 | DE202011051132U1 Transportables Filtermodul zum Filtern von nährstoffarmem Nutzwasser aus einem Pool oder einem Badeteich und Filtereinrichtung Portable filter module for filtering of nutrient-poor industrial water out of a pool or a pond and filter device |
| 11/09/2011 | CN202032128U Unidirectional three-way valve and water purification machine system comprising same |
| 11/09/2011 | CN202030792U Water processing device for medium plate quenching line |
| 11/09/2011 | CN202030620U Straw pulp papermaking middle-section waste water treatment system |
| 11/09/2011 | CN202030619U Sewage treatment integrated treatment tank |
| 11/09/2011 | CN202030618U Internal-circulation up-flow anaerobic sludge blanket reactor |
| 11/09/2011 | CN202030617U Anaerobic treatment pool of organic garbage filter bed |
| 11/09/2011 | CN202030616U Shunting type rainwater collection utilization unit |
| 11/09/2011 | CN202030615U Valveless fine filter |
| 11/09/2011 | CN202030614U Low energy consumption membrane cleaning recycled water recycling device |
| 11/09/2011 | CN202030613U Water pressure type recycled water recycling device |
| 11/09/2011 | CN202030612U Integrated combined type rural domestic sewage processing device |
| 11/09/2011 | CN202030611U Three-stage anaerobic and two-stage aerobic internal circulation reclaimed water treatment device |
| 11/09/2011 | CN202030610U Ecological protection multi-stage filter wall nitrogen and phosphorus removal device for rural surface water head site |
| 11/09/2011 | CN202030609U Urban sewage treatment modularization combination system |
| 11/09/2011 | CN202030608U High-intensity magnetic water purification device for coal mines |
| 11/09/2011 | CN202030607U Sewage treatment tank |
| 11/09/2011 | CN202030606U Self-cleaning integral dual-water-supply purifier |
| 11/09/2011 | CN202030605U Furfural factory waste water treatment system |
| 11/09/2011 | CN202030604U Ceramic water purifier with function of heating water |
| 11/09/2011 | CN202030603U Laboratory ultrapure water purifier |
| 11/09/2011 | CN202030602U Ore activation photocatalyst water purifier |
| 11/09/2011 | CN202030601U Hydrodynamic cavitation seawater desalination system |
| 11/09/2011 | CN202030600U Silica powder and waste water recycling device for silicon cutting waste water |
| 11/09/2011 | CN202030599U Electrodeionization (EDI) system stander piping device |