| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 04/10/2013 | CN102424494B Method for treating garbage leachate by multistage electrolysis |
| 04/10/2013 | CN102417272B Coking waste water treatment method and A/O technology apparatus |
| 04/10/2013 | CN102417260B Treating method for landfill leachate |
| 04/10/2013 | CN102390894B Accident waste water treatment and collection system |
| 04/10/2013 | CN102381787B Decoloration method for fermentation wastewater biochemical treatment tail water |
| 04/10/2013 | CN102351362B Treatment method for waste water with high chloride ion content in polysilicon production |
| 04/10/2013 | CN102344208B Process for treating chromium-containing waste water produced in chromium slag pollution place |
| 04/10/2013 | CN102260010B Integrated natural circulating and baffling reactor |
| 04/10/2013 | CN102249463B Device for pretreating epoxy resin wastewater |
| 04/10/2013 | CN102249460B Pretreatment method for photosensitive material waste water |
| 04/10/2013 | CN102153222B Ozone air flotation advanced oxidation fluid treatment system |
| 04/10/2013 | CN102134144B Treatment process of butadiene styrene rubber sewage |
| 04/10/2013 | CN102115764B Method for producing alcohol by taking anaerobic effluent as ingredient water |
| 04/10/2013 | CN102086069B Method for treating washing water in nitration process of dinitrochlorobenzene |
| 04/10/2013 | CN102078840B Liquid-slag separation device, metal ion waste liquid treatment system and using method thereof |
| 04/10/2013 | CN102070268B Environmentally-friendly treatment method and device for organic sewage |
| 04/10/2013 | CN102001786B New high-nitrogen organic sewage treatment biochemical denitrification process |
| 04/10/2013 | CN101973662B Method and system for treating industrial wastewater of photovoltaic solar cell plates |
| 04/10/2013 | CN101948196B Cross flow air floating device with secondary filtration |
| 04/10/2013 | CN101921038B Reactor with nitrification and denitrification function |
| 04/10/2013 | CN101823809B Distributed sewage regeneration method, apparatus and control system |
| 04/10/2013 | CN101641294B Membrane station waste treatment process |
| 04/10/2013 | CN101602551B Method for integrated two-stage strengthened air-flotation separation of dense algae slurry |
| 04/09/2013 | US8414767 Module for purifying a fluid, in particular water |
| 04/04/2013 | WO2013048010A1 Advanced water treatment system for membrane separation using removal of phosphors and membrane fouling materials of sidestream |
| 04/04/2013 | US20130082001 Fresh Water Generating Apparatus and Fresh Water Generating Method |
| 04/03/2013 | CN202853083U Air conditioner condensate water purification cycle temperature and humidity control integrated device |
| 04/03/2013 | CN202850516U Novel water-saving pollution reduction green ecological building system |
| 04/03/2013 | CN202850094U Household water supply system |
| 04/03/2013 | CN202849222U Device for treating wastewater in pig farm |
| 04/03/2013 | CN202849221U Photocatalytic and internal circulation anaerobic fluidized membrane bioreactor |
| 04/03/2013 | CN202849220U Buried sewage treatment equipment with deodorization devices |
| 04/03/2013 | CN202849219U Bio-contact oxidation buried sewage treatment equipment capable of holding constant temperature |
| 04/03/2013 | CN202849218U Embedded type sewage treatment equipment with wide functions and high efficiency |
| 04/03/2013 | CN202849217U Water processor combining photocatalysis and aerobic biological method |
| 04/03/2013 | CN202849216U Ecological cycle processing and using system for livestock and poultry farm anaerobic waste liquor |
| 04/03/2013 | CN202849215U Coking wastewater deep treatment device |
| 04/03/2013 | CN202849214U Landfill leachate treatment system |
| 04/03/2013 | CN202849213U Farming wastewater efficient treatment system |
| 04/03/2013 | CN202849212U Rear earth metallurgy wastewater treatment device |
| 04/03/2013 | CN202849211U Food waste water treatment system |
| 04/03/2013 | CN202849210U System for treating wastewater produced by beer brewing |
| 04/03/2013 | CN202849209U Momordica grosvenori wastewater treatment system |
| 04/03/2013 | CN202849208U Wastewater treatment system during production of white spirit |
| 04/03/2013 | CN202849207U Small device for treating sewage into high-purity water for electrical testing |
| 04/03/2013 | CN202849206U Integrated high-efficiency sewage treatment device |
| 04/03/2013 | CN202849205U Novel integrated device for electrochemically improving two-stage activated sludge process |
| 04/03/2013 | CN202849204U Mmultistage sewage treatment device utilizing microbial technology |
| 04/03/2013 | CN202849203U Treatment device for efficiently denitrifying and degrading chemical oxygen demand (COD) |
| 04/03/2013 | CN202849202U Water purification apparatus for preparing domestic water |
| 04/03/2013 | CN202849201U Sludge heat drying sewage reuse device |
| 04/03/2013 | CN202849200U Integrated autotrophic nitrogen removing device of granular sludge |
| 04/03/2013 | CN202849199U Wastewater treating system for sugar industry |
| 04/03/2013 | CN202849198U Buried flat sheet membrane MBR (membrane biological reactor) sewage treatment device |
| 04/03/2013 | CN202849197U Deep purification and combined denitrification system for polluted ground water |
| 04/03/2013 | CN202849196U Device applied to sewage recycling |
| 04/03/2013 | CN202849195U High-temperature high-pressure microwave physicochemical treatment system of phosphorus-containing sewage |
| 04/03/2013 | CN202849194U Comprehensive recycling device of high-salt-content amino acid wastewater |
| 04/03/2013 | CN202849193U Multistage vacuum distillation seawater desalting device |
| 04/03/2013 | CN202849192U Ultraviolet-light assisted Fenton low-concentration methanol wastewater oxidization treatment device |
| 04/03/2013 | CN202849191U Seawater desalting device |
| 04/03/2013 | CN202849190U Photoelectric catalytic oxidation reaction device |
| 04/03/2013 | CN202849189U Device for removing lead in industrial waste water by utilizing tea leaves |
| 04/03/2013 | CN202849188U Ultrasonic electric flocculation and precipitation integrated device |
| 04/03/2013 | CN202849187U Novel integrated device for recycling heavy-metal wastewater |
| 04/03/2013 | CN202849186U H<+>-containing wastewater multi-stage recycle device |
| 04/03/2013 | CN202849185U Circulating water recycling device |
| 04/03/2013 | CN202849184U Water recycling system for printing machine |
| 04/03/2013 | CN202849183U Sewage treatment device |
| 04/03/2013 | CN202849182U Integrated device for treating heavy metal wastewater and recovering heavy metals |
| 04/03/2013 | CN202849181U Integrated water purifier |
| 04/03/2013 | CN202849180U Drinking water fluoride removal apparatus |
| 04/03/2013 | CN202849179U Automatic water purification device |
| 04/03/2013 | CN202849178U Air floatation-oxidization integrated machine |
| 04/03/2013 | CN202849177U Waste water purification device |
| 04/03/2013 | CN202849176U Packing type sewage purifying device |
| 04/03/2013 | CN202849175U Industrial sewage treatment device |
| 04/03/2013 | CN202849174U Sewage treatment system |
| 04/03/2013 | CN202849173U Household water purifier with quick-change filtering element group |
| 04/03/2013 | CN202849172U Device for supplying cooling water to air compressor |
| 04/03/2013 | CN202849171U Simple tap water purification device |
| 04/03/2013 | CN202849159U Sewage biological chemical treatment device and sewage biological chemical treatment device group |
| 04/03/2013 | CN202844748U Integrated upward-flow water treatment device |
| 04/03/2013 | CN103025128A Low hybrid wave water cooling system |
| 04/03/2013 | CN103015927A Method for optimizing and recycling waste drilling fluid |
| 04/03/2013 | CN103015457A Method for building rural brick buried sewage treatment facility |
| 04/03/2013 | CN103014072A Method for producing cassava alcohol by utilizing and optimizing graded energy |
| 04/03/2013 | CN103013671A Oil-fat separation device adopting secondary standing separation |
| 04/03/2013 | CN103012161A Cleaning and dehydrating method of toluenediamine |
| 04/03/2013 | CN103012104A Method for recycling butyric acid by treating butanol and octanol waste lye |
| 04/03/2013 | CN103011533A Pharmaceutical chemical wastewater treatment device and treatment method thereof |
| 04/03/2013 | CN103011532A Geological material-based rainwater quality treatment system |
| 04/03/2013 | CN103011531A Sewage treatment method |
| 04/03/2013 | CN103011530A Method for removing lead in sewage |
| 04/03/2013 | CN103011529A Industrial wastewater treatment technology |
| 04/03/2013 | CN103011528A Comprehensive sewage treatment system and method |
| 04/03/2013 | CN103011527A Enhanced oxidation-MBR (membrane bioreactor) treatment method of caprolactam production wastewater |
| 04/03/2013 | CN103011526A Method for treating erythromycin thiocyanate wastewater |
| 04/03/2013 | CN103011525A Anaerobic biochemical sewage treatment system and method |
| 04/03/2013 | CN103011524A Recycling and processing method for printing and dyeing wastewater |