| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 09/04/2013 | CN103274555A Photocatalytic wastewater degradation reactor with high treatment capacity and capable of carefully repressing catalyst loss |
| 09/04/2013 | CN103274554A Processing technology of restaurant wastewater |
| 09/04/2013 | CN103274553A Novel sewage treatment method |
| 09/04/2013 | CN103274552A Device for isolating and desalinating sea water through chromium-alloy double-external-thread coupler |
| 09/04/2013 | CN103274551A Purification and recycling method for treating high hardness water with carbon dioxide mineralization technology |
| 09/04/2013 | CN103274550A Brine impurity removal method in sodium chlorate production technology |
| 09/04/2013 | CN103274549A Cycle closed type filler-free high-efficiency ammonia nitrogen removing and nutrient recovery device of biogas slurry |
| 09/04/2013 | CN103274548A Cycle closed type filler-free high-efficiency ammonia nitrogen removing and nutrient recovery device of biogas slurry |
| 09/04/2013 | CN103274547A Deep purification method for removing soluble pollutant from drinking water |
| 09/04/2013 | CN103274546A Printing and dyeing wastewater pure-turbid separating and waste heat utilizing system |
| 09/04/2013 | CN103274545A High-efficiency compact floatation unit (CFU) water treatment method applicable to offshore oil field |
| 09/04/2013 | CN103274544A Flocculation precipitation and filtering integrated sewage treatment device and sewage treatment method thereof |
| 09/04/2013 | CN103274543A Method for treating ammonia nitrogen wastewater generated in processes of separating and extracting rare earth |
| 09/04/2013 | CN103274542A Solar photocatalytic oxidation-membrane separation three-phase fluidized bed circulation reaction apparatus |
| 09/04/2013 | CN103274541A Sewage treatment method of reinforcing sedimentation in secondary sedimentation tank based on Fenton sludge backflow |
| 09/04/2013 | CN103274540A Alternative circulation high-ammonia-nitrogen wastewater processing and recovering method, and system apparatus thereof |
| 09/04/2013 | CN103274539A Method for removing fluoride in drinking water by complexation-coacervation-adsorption with defluorination adsorption material based on aluminium base composite metal oxide |
| 09/04/2013 | CN103274538A System and method for recovering and treating p-phenylenediamine industrial wastewater |
| 09/04/2013 | CN103274537A Activated coke ultramicro filtration water purifier |
| 09/04/2013 | CN103274536A Full-automatic pure water supplying system for civil use |
| 09/04/2013 | CN103274535A Novel multifunctional water purification machine |
| 09/04/2013 | CN103274534A Oil-water residue separator for kitchen waste |
| 09/04/2013 | CN103274533A Treatment-oil removal-lifting integrated device of restaurant waste water |
| 09/04/2013 | CN103274527A Continuous system for treating organic wastewater by using microalgae |
| 09/04/2013 | CN103274505A High-COD (Chemical Oxygen Demand) sewage pretreatment method |
| 09/04/2013 | CN103274380A Glyphosate mother liquid treatment method and device |
| 09/04/2013 | CN102976512B Chemical processing method of coal chemical industry recycled circulating cooling water |
| 09/04/2013 | CN102874956B Novel treatment process for mercurous industrial waste water |
| 09/04/2013 | CN102849860B Cyclic utilization method of wastewater from casein phosphoeptide production |
| 09/04/2013 | CN102795716B Miniature manual high-pressure seawater desalination equipment |
| 09/04/2013 | CN102745843B System and method for treating industrial circulating cooling water |
| 09/04/2013 | CN102701519B Method for ecological control on black-odor watercourse by combining electrochemistry with biology |
| 09/04/2013 | CN102690004B Electro-adsorption module modification system and process |
| 09/04/2013 | CN102633399B Comprehensive treatment and resource utilization technology of 2-naphthol production wastewater |
| 09/04/2013 | CN102616956B Water treatment system for removing algae by pressure strengthening and sedimentation coagulating and water treatment method |
| 09/04/2013 | CN102583908B Landfill leachate treatment process |
| 09/04/2013 | CN102531256B Process method and device for desalting seawater at low temperature |
| 09/04/2013 | CN102503016B Device and method for treating ammonia nitrogen wastewater, recycling ammonia and preparing ammonium sulfate |
| 09/04/2013 | CN102276092B Method for treating calcium hypochlorite waste water by membrane separation and electrolysis combined process |
| 09/04/2013 | CN102267771B Pretreatment method of coking wastewater |
| 09/04/2013 | CN102249466B System and method for treating wastewater |
| 09/04/2013 | CN102167478B Recycle method of recycled water |
| 09/03/2013 | CA2545951C Water treatment system and method |
| 08/29/2013 | US20130220926 Inverse fluidization for purifying fluid streams |
| 08/29/2013 | US20130220921 Wastewater treatment process including irradiation of primary solids |
| 08/29/2013 | US20130220905 Water Production, Filtration and Dispensing System |
| 08/28/2013 | CN203160762U Combined arrangement structure of boiler feedwater processing devices and main power house devices |
| 08/28/2013 | CN203159562U Methane gas utilization device and sewage treatment system in production of syrup |
| 08/28/2013 | CN203159509U Recovery system for recovering tetracarboxylic acid from tetracarboxylic acid production wastewater |
| 08/28/2013 | CN203159412U Unpowered domestic wastewater treatment system |
| 08/28/2013 | CN203159411U Zero-energy consumption land adsorption bed sewage-treatment system |
| 08/28/2013 | CN203159410U Zero-energy consumption ecological filter bed sewage-treatment system |
| 08/28/2013 | CN203159409U Integrated wastewater treatment device |
| 08/28/2013 | CN203159408U Alternating-flow reclaimed water treating and recycling device |
| 08/28/2013 | CN203159407U Combined type water purifier |
| 08/28/2013 | CN203159406U Integrated buried sewage treatment apparatus |
| 08/28/2013 | CN203159405U Coupled biological denitrification system |
| 08/28/2013 | CN203159404U Movable integrated sewage treatment machine |
| 08/28/2013 | CN203159403U Sewage treatment system |
| 08/28/2013 | CN203159402U Aerobic tank treatment system |
| 08/28/2013 | CN203159401U Pickling and phosphatizing wastewater treatment system |
| 08/28/2013 | CN203159400U Medical wastewater treatment system |
| 08/28/2013 | CN203159399U Catering and food comprehensive wastewater treatment system |
| 08/28/2013 | CN203159398U Livestock breeding wastewater treatment device |
| 08/28/2013 | CN203159397U Industrial sewage treater |
| 08/28/2013 | CN203159396U Sewage treatment device |
| 08/28/2013 | CN203159395U Wastewater treatment device |
| 08/28/2013 | CN203159394U Novel low-energy-consumption sewage treatment device |
| 08/28/2013 | CN203159393U River water treatment apparatus with biological treatment device |
| 08/28/2013 | CN203159392U Chemical wastewater treatment device |
| 08/28/2013 | CN203159391U Integrated anaerobic acidifying hydrolyzing settling pond |
| 08/28/2013 | CN203159390U Drinking water pretreatment pool |
| 08/28/2013 | CN203159389U Aquatic product processing wastewater treatment equipment |
| 08/28/2013 | CN203159388U Treatment equipment of hindered amine light stabilizer wastewater |
| 08/28/2013 | CN203159387U Solar energy aeration wet land sewage treatment package unit |
| 08/28/2013 | CN203159386U Phenolic wastewater treatment system |
| 08/28/2013 | CN203159385U Treatment and reuse system for polymerization centrifugation mother liquor |
| 08/28/2013 | CN203159384U Slaughter house sewage treatment system |
| 08/28/2013 | CN203159383U Salt discharging system for salt reservoir |
| 08/28/2013 | CN203159382U Novel membrane bioreactor wastewater treatment system |
| 08/28/2013 | CN203159381U Heavy metal wastewater coagulating sedimentation treatment system |
| 08/28/2013 | CN203159380U High-concentration inorganic wastewater zero discharge treatment device |
| 08/28/2013 | CN203159379U Waste acid recovery processing equipment |
| 08/28/2013 | CN203159378U Novel multifunctional drinking water purifying device |
| 08/28/2013 | CN203159377U Emergency water supply system based on three-dimensional electrode reactor |
| 08/28/2013 | CN203159376U Efficient energy-saving sewage treatment device |
| 08/28/2013 | CN203159375U Sewage deoiling and purifying device |
| 08/28/2013 | CN203159374U Sewage purification treatment device of water body self-flowing precipitation type |
| 08/28/2013 | CN203159373U Comprehensive waste water treatment device for electronic industry |
| 08/28/2013 | CN203159372U PTA (purified terephthalic acid) wastewater treatment device |
| 08/28/2013 | CN203159371U Electroplating wastewater treatment device |
| 08/28/2013 | CN203159370U Dyeing and finishing weaving wastewater treatment device |
| 08/28/2013 | CN203159369U Quick-acting water purification equipment |
| 08/28/2013 | CN203159368U Wastewater treatment system for nano calcium carbonate production |
| 08/28/2013 | CN203159367U Small-size wastewater treatment device |
| 08/28/2013 | CN203159366U Modern coal chemical industry sewage treatment device |
| 08/28/2013 | CN203159365U Advanced wastewater treatment device |
| 08/28/2013 | CN203159364U 净水器 Water Purifier |
| 08/28/2013 | CN203159363U Novel integral flocculent purifying tank |
| 08/28/2013 | CN203159362U High-efficiency split type water purifying apparatus |