| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 12/18/2013 | CN102633411B Integrated recycled water treatment device |
| 12/18/2013 | CN102584577B Postprocessing method for synthetic borneol |
| 12/18/2013 | CN102583867B Method for treating waste water in chloro pyrimidine combining process |
| 12/18/2013 | CN102557324B Method for treating garbage leachate |
| 12/18/2013 | CN102464436B Sewage treatment unit |
| 12/18/2013 | CN102283576B Multifunctional tap water direct drinking machine |
| 12/18/2013 | CN102241446B Mine wastewater treatment method and device |
| 12/12/2013 | WO2013181747A1 System and method of greywater recovery and reuse |
| 12/12/2013 | WO2013155998A3 Vanadium pentoxide waste water treatment and resources recycling method |
| 12/12/2013 | WO2013144664A4 Process and device for electrochemical treatment of industrial wastewater and drinking water |
| 12/12/2013 | US20130330128 Waste water treatment method |
| 12/12/2013 | US20130327720 Process for treating fluids |
| 12/12/2013 | US20130327715 Fluid purification system |
| 12/11/2013 | CN203333449U Novel activated sludge and biological membrane composite device |
| 12/11/2013 | CN203333448U Water circulating and purifying device |
| 12/11/2013 | CN203333447U Unpowered sewage treatment device |
| 12/11/2013 | CN203333446U Photochemical sewage disposal system |
| 12/11/2013 | CN203333445U Stepped sewage infiltration purification system |
| 12/11/2013 | CN203333444U Nitrogen enriching and removing combined system |
| 12/11/2013 | CN203333443U Biochemical reaction equipment for household garbage leachate |
| 12/11/2013 | CN203333442U Reclaimed water reusing device |
| 12/11/2013 | CN203333441U Resource utilization and treatment device of livestock and poultry breeding waste water |
| 12/11/2013 | CN203333440U Wastewater treatment system of waste treatment plant |
| 12/11/2013 | CN203333439U Comprehensive utilization system for sewer sewage drainage in residential community |
| 12/11/2013 | CN203333438U Sewage treatment equipment |
| 12/11/2013 | CN203333437U Coating wastewater treating and recycling device |
| 12/11/2013 | CN203333436U Wind-power river-way water treatment equipment |
| 12/11/2013 | CN203333435U Rural sewage treatment system with zero electric power consumption |
| 12/11/2013 | CN203333434U Groundwater organic pollutant repair system |
| 12/11/2013 | CN203333433U High-temperature sewage waste heat recovery integrated device with oxygen corrosion prevention function |
| 12/11/2013 | CN203333432U Water-saving RO (reverse osmosis) membrane water purifier |
| 12/11/2013 | CN203333431U Comprehensive device of sea water desalination and strong brine utilization |
| 12/11/2013 | CN203333430U Intermittent reduced pressure distillation water purification equipment |
| 12/11/2013 | CN203333429U Kitchen wastewater treatment equipment |
| 12/11/2013 | CN203333428U Ultrafiltration-membrane water purifier with folding type multifunctional composite filtering liner |
| 12/11/2013 | CN203333427U Ultrasonic synergistic oxidation sewage treatment device |
| 12/11/2013 | CN203333426U Horizontal photocatalytic water treatment device |
| 12/11/2013 | CN203333425U Multi-stage swill purification treatment device |
| 12/11/2013 | CN203333424U Improved rural integrated household water purifier |
| 12/11/2013 | CN203333423U Novel heavy metal waste water treatment device |
| 12/11/2013 | CN203333422U Water purifier with single barrel, double sealing bins and multiple filter tubes |
| 12/11/2013 | CN203333421U Waste water cyclic utilization system |
| 12/11/2013 | CN203333420U Heat energy recovery and anti-pollution treatment device for printing and dyeing wastewater |
| 12/11/2013 | CN203333419U Sewage treatment equipment integrating photo-hydrogen catalysis and advanced oxidation |
| 12/11/2013 | CN203333418U 重力式净水器 Gravity water purifier |
| 12/11/2013 | CN203333417U Nickel plating wastewater on-line treater |
| 12/11/2013 | CN203333416U Water scale suppressor |
| 12/11/2013 | CN203333415U Cooling water treatment system of internal combustion locomotive |
| 12/11/2013 | CN203333414U Automatic water treatment system |
| 12/11/2013 | CN203333413U System for comprehensively utilizing wastewater generated during production of polyvinyl chloride (PVC) production by calcium carbide method |
| 12/11/2013 | CN203333412U Kitchen wastewater treatment device |
| 12/11/2013 | CN203333411U Wastewater treatment device |
| 12/11/2013 | CN203333410U Oily sewage all-in-one machine treatment device |
| 12/11/2013 | CN203333409U Fracturing flow-back fluid vehicle-mounted treatment system |
| 12/11/2013 | CN203333408U System for purifying and recycling hexavalent chromium-containing wastewater |
| 12/11/2013 | CN203333407U Electroplating wastewater treatment and recycling device |
| 12/11/2013 | CN203333406U Printing and dyeing sewage pretreatment device |
| 12/11/2013 | CN203333405U Ultrafiltration-membrane water purifier with liquid level controller |
| 12/11/2013 | CN203333404U Recharge geothermal water disposal device |
| 12/11/2013 | CN203333403U Oil draining processing pool of production and processing waste water in tilapia mossambica factory zone |
| 12/11/2013 | CN203333402U Processing device for kitchen garbage |
| 12/11/2013 | CN203333401U Water-saving reverse osmosis pure water machine with accurate concentrated water discharge control |
| 12/11/2013 | CN203333400U Sewage treatment device |
| 12/11/2013 | CN203333399U Wastewater filter unit |
| 12/11/2013 | CN203333398U Maintenance-free household alive water machine |
| 12/11/2013 | CN203333397U Industrial sewage treatment system |
| 12/11/2013 | CN203333396U Multipurpose water treatment equipment |
| 12/11/2013 | CN203333395U Pure water treatment system |
| 12/11/2013 | CN203333394U Improved clean water treatment system |
| 12/11/2013 | CN203333393U Reverse osmosis water purifier of improved structure |
| 12/11/2013 | CN203333392U Instant-heating-type purification water heating system without water tank |
| 12/11/2013 | CN203333391U Device for recycling glass fiber emulsion chopped strand mat production wastewater |
| 12/11/2013 | CN203333390U Novel water dispenser |
| 12/11/2013 | CN203333389U Non-powered three-phase separator |
| 12/11/2013 | CN203333351U Two-section nitrification and nitrate nitrogen enrichment system |
| 12/11/2013 | CN203333302U Equipment system for recovering magnesium ammonium phosphate from magnesium oxide process desulfurized waste liquid |
| 12/11/2013 | CN203329497U Industrial sewage treatment device |
| 12/11/2013 | CN103438465A Acid organic wastewater incineration method |
| 12/11/2013 | CN103438423A Steam plant and method of operating the same |
| 12/11/2013 | CN103435237A Pharmaceutical sewage treatment process |
| 12/11/2013 | CN103435236A Ion exchange-zero-valent iron-denitrifying bacteria coupling denitrification method |
| 12/11/2013 | CN103435235A Kitchen waste filtrate treatment equipment and method |
| 12/11/2013 | CN103435234A Method for reducing and controlling waste pollutants in scattered culture zones of hills |
| 12/11/2013 | CN103435233A Equipment and method for recycling chemical fiber continuous-spinning wastewater |
| 12/11/2013 | CN103435232A AABR (Anaerobic Baffled Reactor)-compound type MBR (Membrane Biological Reactor) integrated device and method for treating organic wastewater |
| 12/11/2013 | CN103435231A Intensive nitrogen-phosphorus removing membrane biological reaction device and sewage treatment method |
| 12/11/2013 | CN103435230A A/O/E (anaerobic/aerobic/endogenous respiration) composite treatment system for domestic sewage |
| 12/11/2013 | CN103435229A Treatment methodMethod for treating to wastewater by using membrane coagulation reactor-ozone-biological activated carbon technique |
| 12/11/2013 | CN103435228A Nitrogen and phosphorus removal advanced treatment method for wastewater |
| 12/11/2013 | CN103435227A Device and method for biological denitrification of landfill leachate through SBR (Sequencing Batch Reactor) short-cut nitrification-SBBR anaerobic ammonia oxidation combined process |
| 12/11/2013 | CN103435226A Comprehensive treatment technology for formation water in natural gas extraction |
| 12/11/2013 | CN103435225A Industrial water recycling system |
| 12/11/2013 | CN103435224A Waste water treatment technology for livestock breeding |
| 12/11/2013 | CN103435223A Coking wastewater treatment process |
| 12/11/2013 | CN103435222A Method for treating flourescent brightener wastewater with phosphorus |
| 12/11/2013 | CN103435221A Integrated high-concentration ceramic printing wastewater treatment process |
| 12/11/2013 | CN103435220A Coupled A[2]O suspended filler process and cloth media filter integrated nitrogen and phosphorus removal device and method |
| 12/11/2013 | CN103435219A Heavy metal wastewater treatment method |
| 12/11/2013 | CN103435218A Comprehensive emergency treatment method for ozone-BAF (Biological Aerated Filter) |
| 12/11/2013 | CN103435217A Treatment process for sulfuration printing and dyeing wastewater |