| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 01/12/2011 | CN101941767A Method for treating 1,3-propanediol concentrated bacterial liquid |
| 01/12/2011 | CN101941766A Method for decoloring and refining master sauce |
| 01/12/2011 | CN101941765A Flotation and sedimentation solid-liquid separation device |
| 01/12/2011 | CN101941754A Denitrifying agent for deep treatment of percolate tail water, preparation method and using method |
| 01/12/2011 | CN101941720A Tube furnace ammonia evaporation process and equipment |
| 01/12/2011 | CN101624245B Processing method of high-concentration organic ammonia nitrogen waste water |
| 01/12/2011 | CN101519263B Country sewage treatment station of unit type membrane and biological decomposition |
| 01/12/2011 | CN101445307B Integrated submersible photoelectromagnetism river and lake water purifying method and device thereof |
| 01/12/2011 | CN101407364B Method for decolouration of waste water by using boiling and dyeing furnace cinder |
| 01/12/2011 | CN101376545B Water purification apparatus |
| 01/12/2011 | CN101333052B Discrete type sewage processing system |
| 01/12/2011 | CN101323496B Scale hogpen sewage disposal method and integrated equipment thereof |
| 01/12/2011 | CN101244883B High-efficiency low-consumption retexture method for urban sewage |
| 01/11/2011 | CA2536252C Water filter device |
| 01/10/2011 | CA2672316A1 Water conditioning process |
| 01/06/2011 | WO2011002376A1 A method and an apparatus for continuously steralizing water for spraying the pistons in a piston pump or a homogenizer |
| 01/06/2011 | WO2011001281A1 Sanitizing filter for water dispenser |
| 01/06/2011 | WO2011000842A1 A rainwater treatment unit |
| 01/06/2011 | US20110000849 Water purification apparatus and method for using pressure filter and pore control fiber filter |
| 01/06/2011 | CA2767087A1 A method and an apparatus for continuously sterilizing water for spraying the pistons in a piston pump or a homogenizer |
| 01/06/2011 | CA2765473A1 A rainwater treatment unit |
| 01/05/2011 | EP2268583A2 Sulfate removal from water sources |
| 01/05/2011 | EP2118338B1 Process for obtaining desalted water from zirconium-containing wash water |
| 01/05/2011 | DE102009031703A1 Treating laundry wastewater, comprises releasing the wastewater occurring in laundry as undissolved and biologically biodegradable dissolved substances into biomembrane reactor, and intermediately storing reactor permeate in storage tank |
| 01/05/2011 | DE10200616C5 Substrat zur Behandlung von Oberflächenwasser und dessen Verwendung Substrate for the treatment of surface water and its use |
| 01/05/2011 | CN201698235U Level control system and waste water discharge system using same |
| 01/05/2011 | CN201695441U Solar photovoltaic air water making dispenser |
| 01/05/2011 | CN201695439U Device for automatically treating collected rainwater |
| 01/05/2011 | CN201694928U Water inlet adjustable weir control device of sewage treatment plant |
| 01/05/2011 | CN201694927U Integrated biological wetland sewage treatment system |
| 01/05/2011 | CN201694926U Quaternary-phase multistage oxidation reactor |
| 01/05/2011 | CN201694925U Low temperature multi-effect seawater desalination intermediate recuperative multistage spray material water supply system |
| 01/05/2011 | CN201694924U Arsenic-removal and fluoride-removal water purifier with functions of water production and pollution discharge display |
| 01/05/2011 | CN201694923U Portable outdoor purifier with compressed air bag |
| 01/05/2011 | CN201694922U 矿井水处理装置 Mine water treatment device |
| 01/05/2011 | CN201694921U Precipitation and extraction processing device for desalinating high-salinity wastewater |
| 01/05/2011 | CN201694920U Sterilization device of water purification system |
| 01/05/2011 | CN201694919U System for treating wastewater generated during explosive charging and emptying of bomb |
| 01/05/2011 | CN201694918U Urban domestic sewage source separating harmless treatment device |
| 01/05/2011 | CN201694917U Full-automatic backwash drain and ultrafiltration membrane water purifier |
| 01/05/2011 | CN201694916U Sewage purification device adopting electrocoagulation membrane separation method |
| 01/05/2011 | CN201694915U Water preparing machine |
| 01/05/2011 | CN201694914U Iron-carbon micro-electrolysis wastewater treatment device |
| 01/05/2011 | CN201694913U Sterilization and detoxifying mineral activation water purifying machine |
| 01/05/2011 | CN201694912U Coal-bearing waste water treater |
| 01/05/2011 | CN201694911U Iron and manganese removing device for underground water |
| 01/05/2011 | CN201694910U Boiler blowdown water purifier with temperature |
| 01/05/2011 | CN201694909U Chrome-bearing waste water recovery device for leather tanning |
| 01/05/2011 | CN201694908U Combined sewage disposal system |
| 01/05/2011 | CN201694907U Device for processing waste water during kaolin processing process |
| 01/05/2011 | CN201694906U Yeast wastewater zero-emission device applying nanofiltration and reverse osmosis technologies |
| 01/05/2011 | CN201694905U Domestic water purifier filter element |
| 01/05/2011 | CN201694904U Water source purifying device |
| 01/05/2011 | CN201694903U Water purifier with special washing device and filtration equipment comprising water purifier |
| 01/05/2011 | CN201694902U Boiler condensate water backwashing purifier |
| 01/05/2011 | CN201694901U Waste water treatment device |
| 01/05/2011 | CN201694885U Ozone catalytic oxidation and scrubbing device and water treatment system |
| 01/05/2011 | CN201694835U Air separation precooling pure water circulating system |
| 01/05/2011 | CN201691292U Field sterilization water-drinking cup |
| 01/05/2011 | CN201691290U Portable water purification kettle |
| 01/05/2011 | CN101939264A Waste water treatment from a biomass-to-liquid process comprising synthesis gas production and integrated factory facility |
| 01/05/2011 | CN101936621A Sewage treatment heat pump |
| 01/05/2011 | CN101935138A Submerged membrane bioreactor with automatic online washing function |
| 01/05/2011 | CN101935137A Method and device for separating silt in feed solution for methane fermentation |
| 01/05/2011 | CN101935136A Zero energy consumption low sludge yield municipal sewage dephosphorization and denitrification treatment method |
| 01/05/2011 | CN101935135A Treatment device of 2B acid wastewater |
| 01/05/2011 | CN101935134A Biological rotating disk sewage treatment equipment |
| 01/05/2011 | CN101935133A General-purpose design method of overflow rain sewage on-the-spot ecological elimination technology |
| 01/05/2011 | CN101935132A Mixed municipal sewage and fecal sewage A2/O-biomembrane nitrogen and phosphorus synchronous removing device and method thereof |
| 01/05/2011 | CN101935131A Municipal sewage treatment method with zero energy consumption low sludge yield |
| 01/05/2011 | CN101935130A Zero-energy consumption and low sludge yield method for denitrifying urban sewage |
| 01/05/2011 | CN101935129A Converter turbid circulating water treatment method utilizing superconductive high-gradient magnetic field |
| 01/05/2011 | CN101935128A Process for treating wastewater comprising high-concentration ammonium salt and sodium salt |
| 01/05/2011 | CN101935127A Ship ballast water comprehensive treatment system |
| 01/05/2011 | CN101935126A Combined treatment method for electro-deposition and membrane separation of zinc-containing heavy metal waste water |
| 01/05/2011 | CN101935125A Method for processing alkaline-surfactant-polymer flooding oilfield injection water |
| 01/05/2011 | CN101935124A Drinking fountain capable of sterilizing a reverse osmosis membrane directly |
| 01/05/2011 | CN101935123A Method for recycling waste acid and waste residues in production of herbicide oxadiazon |
| 01/05/2011 | CN101935122A Method for purifying drilling wastewater in oil and gas field |
| 01/05/2011 | CN101935121A Process for recycling alkali waste etching liquid |
| 01/05/2011 | CN101935120A Recycle method of pulping effluent of wheat straw chemi-mechanical pulp |
| 01/05/2011 | CN101935119A Processing method and device for recovering precious metals contained in electroplating wastewater |
| 01/05/2011 | CN101935118A Process for purifying and recycling hot water by membrane method |
| 01/05/2011 | CN101935117A Novel technique for moistening wheat for making wheat flour with purified water |
| 01/05/2011 | CN101935116A Non-degradable organic wastewater treatment method, photocatalysis reactor and micropore static pipeline mixer |
| 01/05/2011 | CN101935115A Water purifying machine system with novel check valve |
| 01/05/2011 | CN101935114A Front activated carbon filter cartridge-free drinking fountain |
| 01/05/2011 | CN101935113A Method and device thereof for treating cascade adsorbed water by radiating lateral and vertical flows |
| 01/05/2011 | CN101935112A Cold and heat source revolution type dual-prevention device for sewage or surface water and system thereof |
| 01/05/2011 | CN101935111A Wastewater recycling preparation system with low energy consumption |
| 01/05/2011 | CN101935110A Method for treating and recycling hot-rolling high-oil-containing waste water in iron and steel plant |
| 01/05/2011 | CN101935109A Fine desalination duplicate bed |
| 01/05/2011 | CN101935077A Waste acid concentration multistage treatment method |
| 01/05/2011 | CN101935062A Method for preparing high-purity copper oxide by adopting acidic etching waste liquor |
| 01/05/2011 | CN101549939B Leather making integrated waste water treatment method |
| 01/05/2011 | CN101531441B Treatment method of zero pollution of waste of pig farm |
| 01/05/2011 | CN101526821B Intelligent control method for electrolyzed oxidizing water centralized supply system |
| 01/05/2011 | CN101514069B Coking wastewater biological denitrificaion treatment process |
| 01/05/2011 | CN101508514B Zero discharge recycle treatment method for garbage leachate |
| 01/05/2011 | CN101337751B Processing process for production waste water of tetrabutyltin |