| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 09/30/2009 | CN101544446A System for restoring bio-ecological environment of micro-polluted riverway |
| 09/30/2009 | CN101544445A A method for restoring microorganism ecology of paper making waste water and a device |
| 09/30/2009 | CN101544444A Method for treating tar-containing wastewater |
| 09/30/2009 | CN101544443A Pi water close to life body and producing process flow |
| 09/30/2009 | CN101544442A Water treatment method and high-efficiency magnetic carbon ultrasonic return secondary filter |
| 09/30/2009 | CN101544441A Small-size multifunctional water purifier |
| 09/30/2009 | CN101544440A Technical method for purifying converter sewage |
| 09/30/2009 | CN101544439A Comprehensive extraction and processing method of industrial wastewater |
| 09/30/2009 | CN101544438A Method for reusing yellow-ginger saponin industrial waste acid solution |
| 09/30/2009 | CN101544437A Process method for recovering ammonium chloride and sodium chloride from waste water containing ammonium chloride and sodium chloride |
| 09/30/2009 | CN101544436A Method for removing and recovering sulfate in acrylonitrile wastewater by utilizing freezing crystallization |
| 09/30/2009 | CN101544435A Method for treating electroplating wastewater containing cyanogen and silver and and device thereof |
| 09/30/2009 | CN101544434A Sewage treatment method and device thereof |
| 09/30/2009 | CN101544433A Water purifying method |
| 09/30/2009 | CN101544432A Broad-spectrum water purifying device |
| 09/30/2009 | CN101544431A Process for treating mine water in high efficiency |
| 09/30/2009 | CN101544430A Secondary treatment method of coking wastewater |
| 09/30/2009 | CN101544429A Extraction-hyperfiltration-reverse osmosis combined method for treating PTA refined wastewater |
| 09/30/2009 | CN101544428A Central type system for purifying and supplying drinking water and using method thereof |
| 09/30/2009 | CN101544411A Solar-energy sea water desalination and salt production device |
| 09/30/2009 | CN101544381A Method for producing ammonium sulphate by waste water produced in alpha naphthol production |
| 09/30/2009 | CN100545112C Reuse treating method for chemical industrial plasticizer waste water |
| 09/30/2009 | CN100545111C Method for treating chlorine alkali waste water by calcium carbide ethyne method and biological treatment agent thereof |
| 09/30/2009 | CN100545110C Packaging stage-type film bioreactor device for treating sewage or micro-polluted raw water |
| 09/30/2009 | CN100545109C Combined type cultivation wastewater purification method and device |
| 09/30/2009 | CN100545108C Method for treating and recycling paper-making waste water |
| 09/30/2009 | CN100545107C Circulation utilization technique for phenol resin production waste water |
| 09/30/2009 | CN100545106C Waste water handling method for acetylene production |
| 09/29/2009 | CA2427382C Method for treating water containing manganese |
| 09/24/2009 | WO2009116921A1 A method for removal of ammonia from waste from stables and water closets |
| 09/24/2009 | WO2009115290A1 Method for the flocculation of aqueous dispersions |
| 09/24/2009 | US20090236275 Water Treatment System |
| 09/24/2009 | US20090236270 Water purification system |
| 09/23/2009 | EP2102116A1 Post treatment for desalinated and soft water for balanced water composition supply |
| 09/23/2009 | EP2102114A1 Removal of contaminants from a waste stream through production and utilization of oxyhydrogen gas |
| 09/23/2009 | EP1044060B1 Bacteriostatic filter cartridge |
| 09/23/2009 | CN201313861Y Integrated livestock wastewater biological treatment device |
| 09/23/2009 | CN201313860Y Integrated aeration-sedimentation aerobic reactor |
| 09/23/2009 | CN201313859Y Trilogy header for wastewater treatment |
| 09/23/2009 | CN201313858Y Steel wastewater zero-drainage regeneration combining device |
| 09/23/2009 | CN201313857Y Health-type water purification processing device |
| 09/23/2009 | CN201313856Y Integrated direct-drinking purifier |
| 09/23/2009 | CN101538269A Recovery method for dealcoholizing waste water in glycine technology of chloroactic acid method |
| 09/23/2009 | CN101538179A Method for preparing compound amino acid organic liquid fertilizer |
| 09/23/2009 | CN101538108A Microbial purifying ecological treatment system of landscape water body |
| 09/23/2009 | CN101538107A Method for treating wastewater in textile printing and dyeing industry |
| 09/23/2009 | CN101538106A Energy-free sewage treatment plant |
| 09/23/2009 | CN101538105A Physicochemistry-biochemistry combined technology for optical brightener wastewater treatment |
| 09/23/2009 | CN101538104A Improved A*N denitrifying dephosphatation and deep denitrification device and method |
| 09/23/2009 | CN101538103A Sewage treatment method and equipment thereof |
| 09/23/2009 | CN101538102A Ozone-bacteria filter system for advanced treatment of hardly-degradable organic wastewater |
| 09/23/2009 | CN101538101A Home position strengthening fermentation regenerated carbon source sewage disposal system for sewage plant |
| 09/23/2009 | CN101538100A Method for treating dyeing wastewater and dedicated device |
| 09/23/2009 | CN101538099A Pen-shaped water purifier |
| 09/23/2009 | CN101538098A Drinking water purifying device combining photocatalysis and inorganic membrane filtration technology |
| 09/23/2009 | CN101538097A Enzyme treatment technique of difficult degradation organic sewage |
| 09/23/2009 | CN101538096A Method for processing waste slurry |
| 09/23/2009 | CN101538095A Defluorination method of nano aluminium trichloride |
| 09/23/2009 | CN101538094A Method for processing waste liquid of regenerated arsenic removal ionic sieve |
| 09/23/2009 | CN101538093A Central water treatment device |
| 09/23/2009 | CN101538092A Process and special device for treating domestic sewage and waste water of paper mill |
| 09/23/2009 | CN101538091A Device capable of treating sewage into domestic water |
| 09/23/2009 | CN101538057A Method for separating magnesium from lithium and extracting lithium from brine |
| 09/23/2009 | CN100542974C Light assembly |
| 09/23/2009 | CN100542653C Fluid flow interruption means for filter of water purifier |
| 09/17/2009 | US20090230061 providing potable water by passing water through filter and removing bacteria and viruses from the water; the filter material formed at least in part from a plurality of filter particles consisting of mesoporous activated carbon; mesopore diameter of 2-50 nm, macropore diameter greater than 50nm |
| 09/17/2009 | US20090230059 A conditioning container for continuous receipt of waste flow by immersible transducers producing ultrasonic acoustic waves along with injected ozone;. superior separation properties for delivery into a centrifuge; cost efficiency; environmentally friendly; onsite oil/gas wells; mobility |
| 09/17/2009 | DE102008050913A1 Device for disinfecting and decontaminating biologically and chemically contaminated water in chemical free manner, comprises pressure reaction buffer container, common salt electrolysis cell, salt tablet storage container, and baffle plate |
| 09/16/2009 | EP1521864B1 Method and device for recycling metal pickling baths |
| 09/16/2009 | CN201309877Y Coking wastewater treatment recycling device |
| 09/16/2009 | CN201309876Y Regenerative recycling system of paper-making waste water |
| 09/16/2009 | CN201309875Y Recycling device of biological pharmaceutical wastewater |
| 09/16/2009 | CN201309874Y Integrated processing system for kitchen solid waste and sewage |
| 09/16/2009 | CN201309873Y Whole-process high-efficiency water processor |
| 09/16/2009 | CN201309872Y Polyphase catalyzed oxidation ultraviolet sterilizer device |
| 09/16/2009 | CN201309871Y Miniature seawater desalination device |
| 09/16/2009 | CN201309870Y Portable manual water purifying machine |
| 09/16/2009 | CN201309869Y Direct-drinking water kettle with water pouring structure provided with air entering structure |
| 09/16/2009 | CN201309868Y Household water purifier supplying water according to the quality degree |
| 09/16/2009 | CN201309867Y Movable reverse osmosis water purifying plant |
| 09/16/2009 | CN201309866Y Processing device for waste water reclamation |
| 09/16/2009 | CN101531445A Aeration-less water treatment system |
| 09/16/2009 | CN101531444A Sewage recycling process for combination of biological rapid filtration and slow filtration |
| 09/16/2009 | CN101531443A Coupling type sewage treatment process |
| 09/16/2009 | CN101531442A Processing method of wastewater produced during process of using glycerol as raw material to produce epichlorohydrin and device thereof |
| 09/16/2009 | CN101531441A Treatment method of zero pollution of waste of pig farm |
| 09/16/2009 | CN101531440A Method for treating printing and dyeing wastewater |
| 09/16/2009 | CN101531439A Integrative three-bent tridimensional cyclic oxidation ditch |
| 09/16/2009 | CN101531438A Sewage treatment DAT-IAT process |
| 09/16/2009 | CN101531437A Compound treatment method of wastewater in pig farm |
| 09/16/2009 | CN101531436A Treatment method of wastewater anaerobic digestive fluid in pig farm |
| 09/16/2009 | CN101531435A Method for recycling nickel sulfate raffinate |
| 09/16/2009 | CN101531434A Multi-effect distillation exhaust system with preheaters for seawater desalinating unit |
| 09/16/2009 | CN101531433A Process for recovering residual liquid in hydrogen peroxide concentration |
| 09/16/2009 | CN101531432A Movable type general-purpose small sewage treatment equipment |
| 09/16/2009 | CN101531431A Composite and separable physical disinfection method and device of barreled drinking water |
| 09/16/2009 | CN101531430A Method for releasing biological toxicity of mixed acid nitrified wastewater |
| 09/16/2009 | CN101531429A Waste water processing device in production of flexible circuit boards |
| 09/16/2009 | CN101531428A Method for recovering impure waste water in process of manufacturing color picture tubes |
| 09/16/2009 | CN101531427A Method for regenerating working solution used in production of hydrogen peroxide |