| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 02/02/2011 | CN101962249A Method and device for processing high-concentration undegradable waste water by using jet flow membrane bioreactor (MBR) |
| 02/02/2011 | CN101962248A Treatment method for biological total nitrogen removal |
| 02/02/2011 | CN101962247A Composite biological denitrification treatment method for ammonia-nitrogen wastewater |
| 02/02/2011 | CN101962246A Method for treating and recycling MTO process wastewater |
| 02/02/2011 | CN101962245A Circulating flow gallery wetland process for treating high-concentration sewage and operation technique |
| 02/02/2011 | CN101962244A Livestock breeding wastewater nutrient pollution control and recycling process |
| 02/02/2011 | CN101962243A Industrial boiler water treatment method |
| 02/02/2011 | CN101962242A High-efficiency deamination method for industrial waste water containing ammonia |
| 02/02/2011 | CN101962241A COD treatment process and equipment of waste water |
| 02/02/2011 | CN101962240A Method for processing waste water containing heavy metals by utilizing internal electrolysis-electrolysis method |
| 02/02/2011 | CN101962239A Method for purifying titanium white wastewater |
| 02/02/2011 | CN101962238A Method for removing trace medicine in water by using sludge-based activated carbon to catalyze ozone for oxidation |
| 02/02/2011 | CN101962237A Method for treating bisphenol A-containing wastewater |
| 02/02/2011 | CN101962236A Process for recovering streptomycin sulphate from waste water by coupling foam separation and ion exchange |
| 02/02/2011 | CN101962235A Method for high temperature wastewater treatment and reuse in MTO process |
| 02/02/2011 | CN101624250B Anaerobic zero-valent iron sewage treatment method |
| 02/02/2011 | CN101565264B Method for treating sludge and method for recycling sludge building material and producing into fertilizer |
| 02/02/2011 | CN101560035B Printing and dyeing sewage recycling treatment method |
| 02/02/2011 | CN101538105B Physicochemistry-biochemistry combined technology for optical brightener wastewater treatment |
| 02/02/2011 | CN101531443B Coupling type sewage treatment process |
| 02/02/2011 | CN101492214B Membrane separation process for lead-zinc smelting wastewater |
| 02/02/2011 | CN101293723B Advanced treatment method for sewage water and slurry-water rotational flow predissociation type membrane bioreactor |
| 02/02/2011 | CN101209885B Wastewater treatment method of garbage leachate |
| 02/02/2011 | CN101158169B Family domestic sewage recovery processing utilization box |
| 02/01/2011 | US7879246 Water treatment apparatus |
| 02/01/2011 | US7879230 Vacuum-actuated liquid disinfectant dispenser and system |
| 01/31/2011 | CA2711989A1 Water treatment process for the reduction of thm & haa formation |
| 01/27/2011 | WO2011010902A2 Apparatus for supplying functional hydrogen water and apparatus for supplying and recovering nutrient solutions for hydroponics using functional hydrogen water |
| 01/27/2011 | WO2011010285A1 Method and system of sludge treatment |
| 01/27/2011 | US20110017679 Home-scale water and sanitation system |
| 01/27/2011 | US20110017678 Process for Rain Water, HVAC Condensate and Refrigeration Blowdown/Bleed Blowdown/Bleed Water Recovery, Water Quality Monitoring, Real Time Water Treatment and Utilization of Recovered Water |
| 01/27/2011 | US20110017664 Suspended media membrane biological reactor system and process including suspension system and multiple biological reactor zones |
| 01/27/2011 | DE202010014088U1 Bodenfilteranlage zur Hygienisierung von Abwässern mit Zu- und/oder Ablaufdrosselung Soil filter system for disinfection of wastewater with inlet and / or outlet throttling |
| 01/27/2011 | DE102010027649A1 Kreuzstromlamellenabscheider Cross-Flow |
| 01/27/2011 | DE102009034743A1 Method and apparatus for cleaning wastewater in small sewage treatment systems and small-sized sewage treatment systems, comprise treatment zones such as mechanical treatment zone, biological treatment zone and final clarification zone |
| 01/27/2011 | DE102009026179A1 Bioelektrolytische Denitrifikation Bioelektrolytische denitrification |
| 01/26/2011 | EP2277834A1 Revaluation of aqueous waste streams generated in the propylene oxide and styrene co-production process |
| 01/26/2011 | EP2277833A2 High efficiency electrolysis cell for generating oxidants in solutions |
| 01/26/2011 | EP2276707A2 A changeable continuous flow modular system for the treatment of water streams |
| 01/26/2011 | CN201724600U Closed cooling tower auxiliary system for DC power transmission |
| 01/26/2011 | CN201722262U Integration system for secondary treatment of hospital comprehensive sewage |
| 01/26/2011 | CN201722261U Landfill leachate-treating anaerobic reactor with upper layer of triphase separator and lower layer of triphase separator |
| 01/26/2011 | CN201722260U Ecological integrated aerobic-undercurrent type wet land combined sewage treatment system |
| 01/26/2011 | CN201722259U Two-stage descending flow type manpower wetland composite structure |
| 01/26/2011 | CN201722258U Solar artificial wetland sewage disposal system |
| 01/26/2011 | CN201722257U Novel unpowered constructed wetland sewage treatment system |
| 01/26/2011 | CN201722256U Sewage treating pond |
| 01/26/2011 | CN201722255U Domestic sewage denitrifying advanced treatment integral device for self-oxygenization fixed bed |
| 01/26/2011 | CN201722254U Double sludge denitrifying and dephosphorizing treatment system |
| 01/26/2011 | CN201722253U Synchronous sewage denitrification and phosphorus-removal system |
| 01/26/2011 | CN201722252U Pollution-resistant membrane water treatment device |
| 01/26/2011 | CN201722251U High-energy magnetizing water purifier |
| 01/26/2011 | CN201722250U Energy activation directly drinkable water dispenser |
| 01/26/2011 | CN201722249U Industrial sewage electrochemical treatment plant |
| 01/26/2011 | CN201722248U Ultrafiltration water purifier |
| 01/26/2011 | CN201722247U Municipal wastewater emergency treatment equipment |
| 01/26/2011 | CN201722246U Integrated processor for oil field sewage |
| 01/26/2011 | CN201722245U Industrial sewage recycling device |
| 01/26/2011 | CN201722244U Mechanical filter and super-nanofiltration integrated water purifier |
| 01/26/2011 | CN201722243U Hand-press type steel tube well and special water purification device for tap-water faucet |
| 01/26/2011 | CN201722242U Rural drinking water treatment equipment with reverse osmosis equipment and ultrafiltration equipment connected in parallel |
| 01/26/2011 | CN201722241U Reverse osmosis concentrated water recycling device |
| 01/26/2011 | CN201722240U Electroplating wastewater integrative treatment trough |
| 01/26/2011 | CN201722239U Sewage residual chlorine removing device |
| 01/26/2011 | CN201722238U Ultra-pure-water treatment system |
| 01/26/2011 | CN201722237U Household water purifying equipment for ozone sterilization and disinfection |
| 01/26/2011 | CN201722236U Sedimentation filter box |
| 01/26/2011 | CN201722235U Side input middle output type pipeline water filter with function of pollution discharge |
| 01/26/2011 | CN201722234U Manual pollution discharging water purifier with front and rear arranged nanofiltration membranes |
| 01/26/2011 | CN201722233U Three-in-one miniature water purification rod for removing pollution by stage |
| 01/26/2011 | CN201722232U Detachable water purifier |
| 01/26/2011 | CN201722231U Water purification device used in preparation of retarder |
| 01/26/2011 | CN201722230U Energy-saving and environment-friendly household water purifier |
| 01/26/2011 | CN201722229U Natural alkalescent water production device |
| 01/26/2011 | CN201722228U Sewage treatment device |
| 01/26/2011 | CN201722227U Vehicle washing wastewater treatment and reusing system |
| 01/26/2011 | CN201722226U Domestic nanofiltration membrane and reverse osmosis water purifier for city and countryside |
| 01/26/2011 | CN201722225U Portable mid-installed integrated water purifier before sea water desalination |
| 01/26/2011 | CN201722224U Pure water production device |
| 01/26/2011 | CN201722223U Triangular water quality processor |
| 01/26/2011 | CN201722222U Electroplating industry waste water treatment device by integrated film separation method |
| 01/26/2011 | CN201722221U Household wastewater recycling device |
| 01/26/2011 | CN201722220U Pure-water machine with simplified structure |
| 01/26/2011 | CN201722219U Water purification and illumination system powered by solar energy |
| 01/26/2011 | CN201722218U Purifying bucket for treating drinking water |
| 01/26/2011 | CN201719887U Ceramic membrane tube boiler softened water treatment filtration system |
| 01/26/2011 | CN101956417A Foam plugging type microbial decomposition water circulating environmental protection toilet for islands |
| 01/26/2011 | CN101955846A Production method of microalgae grease based on low-carbon emission recycling of domestic sewage |
| 01/26/2011 | CN101955388A Urban garbage and sludge resource comprehensive utilization system |
| 01/26/2011 | CN101955308A Combined SBR-Carrousel oxidation ditch high-efficiency denitrification process |
| 01/26/2011 | CN101955307A Method for treating vitamin B1 production waste water |
| 01/26/2011 | CN101955306A High-efficiency biological strengthened treatment process for waste water generated in paper making |
| 01/26/2011 | CN101955305A Combined process for treating papermaking waste water |
| 01/26/2011 | CN101955304A Biological pretreatment-strengthened rural dispersive type sewage treatment equipment |
| 01/26/2011 | CN101955303A Treatment method of dye wastewater |
| 01/26/2011 | CN101955302A Coupling, filtering and intermediate aerating bioreactor |
| 01/26/2011 | CN101955301A Method and equipment for treating micropollution raw water based on biological bamboo charcoal contact oxidation method |
| 01/26/2011 | CN101955300A Coke powder bipolar three-dimensional electrode water treatment reactor |
| 01/26/2011 | CN101955299A High-efficiency waste water treatment system for nursery |
| 01/26/2011 | CN101955298A Treatment method of anaerobic digested liquid for livestock and poultry breeding pollutants |