| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 09/02/2009 | CN101519253A Electrolytic bath for grouped electrolyzed oxidizing water generator |
| 09/02/2009 | CN101519252A Graded electrolyzed oxidizing water generation system |
| 09/02/2009 | CN101519251A Process for treating bio-refractory waste water by up-flow multi-phase oxidation column |
| 09/02/2009 | CN101519250A Emulsifiable solution waste water processing method |
| 09/02/2009 | CN101519249A Method for treating hydrolyzed waste water and recovering resource in disperse blue production process |
| 09/02/2009 | CN101519248A Integrated water treatment plant |
| 09/02/2009 | CN101519247A Resource-based method for treating carvone production wastewater |
| 09/02/2009 | CN101519246A Cistern system for improving water quality |
| 09/02/2009 | CN100534933C Technique for treating fertilizer waste water |
| 09/02/2009 | CN100534932C Synthetic treating process for pulp waste water |
| 09/02/2009 | CN100534931C Deep treatment method for waste salt water produced in MDI producing process |
| 09/02/2009 | CN100534930C Highly effective sterilization metallurgy sewage treatment method |
| 09/01/2009 | US7582198 Using an electrodeionization device for water softening and removing scale; electrochemical system configured to pass product water through depletion compartments as well as a cathode compartment |
| 08/27/2009 | WO2009103747A1 Cleaning method for transport belts |
| 08/27/2009 | US20090212628 System and method for inductive power supply control using remote device power requirements |
| 08/27/2009 | US20090211992 Water filtration purifying apparatus and method thereof |
| 08/27/2009 | US20090211972 Method and apparatus for simultaneous clarification and endogenous post denitifrication |
| 08/27/2009 | US20090211971 Method and device for purification of effluent |
| 08/26/2009 | EP2093198A1 Method for treating waste water from aldolisation processes |
| 08/26/2009 | EP2091869A2 System and method for ultrasonic cleaning of ultraviolet disinfection system |
| 08/26/2009 | EP1855777A4 Fluid flow interruption means for filter of water purifier |
| 08/26/2009 | CN201296957Y Filtration type adjustable same-floor drain water tank |
| 08/26/2009 | CN201296717Y A combined typed multi-functional mobile sewage treatment device |
| 08/26/2009 | CN201296716Y Full-automatic sanitary sewage processing equipment |
| 08/26/2009 | CN201296715Y Industrial sewage recycling device |
| 08/26/2009 | CN201296714Y Construction for dyeing wastewater and chemical wastewater treatment |
| 08/26/2009 | CN201296713Y Inner circulating biological aerated filter and retention pond combined treatment system |
| 08/26/2009 | CN201296712Y Novel ozone ultraviolet combined wastewater disposal device |
| 08/26/2009 | CN201296711Y Circulating water supply system |
| 08/26/2009 | CN201296710Y Non-disassembly cleanable pipe-type ultrafiltration water purifier |
| 08/26/2009 | CN101516474A Membrane reactor for the treatment of liquid effluents, comprising a membrane for diffusion of an oxidizing gas and a selective membrane, defining a reaction space between said membranes |
| 08/26/2009 | CN101514071A Acrylon sewage triphase catalytic oxidation advanced treatment technique |
| 08/26/2009 | CN101514070A Disposal technique of nitrobenzene-containing sewage |
| 08/26/2009 | CN101514069A Coking wastewater biological denitrificaion treatment process |
| 08/26/2009 | CN101514068A Method for employing anaerobic-aerobic combined biological filter to process domestic sewage |
| 08/26/2009 | CN101514067A Domestic sewage processing system with anaerobic-aerobic combined biological filter |
| 08/26/2009 | CN101514066A New technology for IEC anaerobic reaction and device thereof |
| 08/26/2009 | CN101514065A Water treatment method using heterogeneous catalyst strengthening liquid chlorine to oxidize and disinfect |
| 08/26/2009 | CN101514064A Sequencing batch internal circulation biological denitrification process and device thereof |
| 08/26/2009 | CN101514063A Advanced treatment method of biochemical tail water of coking wastewater |
| 08/26/2009 | CN101514062A Method of processing high concentration organic wastewater |
| 08/26/2009 | CN101514061A System and method for processing waste water based on photochemical reaction |
| 08/26/2009 | CN101514060A Device for treating emergency drinking water |
| 08/26/2009 | CN101514059A Method for purifying treatment of industrial effluent containing sulfureted hydrogen and ammonia |
| 08/26/2009 | CN101514058A Method for removing trivalent arsenic ion and pentavalent arsenic ion in water and system thereof |
| 08/26/2009 | CN101514057A Method for recycling textile, printing and dyeing wastewater |
| 08/26/2009 | CN101514056A Water purifier |
| 08/26/2009 | CN100532299C Garbage leachate processing process and system based on membrane bioreactor-nano filtering membrane technology |
| 08/26/2009 | CN100532298C Energy-saving method for processing leachate of middle-aged or old refuse landfill |
| 08/26/2009 | CN100532297C Device and method for producing drinking ultra-light water |
| 08/26/2009 | CN100532296C Method for processing vinyl acetate-ethylene copolymerization emulsions wastewater |
| 08/26/2009 | CN100532290C Method for processing paroxysmal mercury polluted water under emergency condition |
| 08/25/2009 | US7578936 System comprising fluid treatment module and a support structure |
| 08/25/2009 | US7578416 Water purification apparatus |
| 08/20/2009 | WO2009102142A2 Nitrogen-rich waste water treatment method and method for producing struvite |
| 08/20/2009 | WO2009101528A1 Method for ecologising food industry technologies and a system for carrying out said method |
| 08/20/2009 | WO2009101455A1 Physicochemical method of processing liquid and semisolid wastes of olive mills using ozone (o3) |
| 08/20/2009 | WO2009101157A1 Process for treating water by a nanofiltration or reverse osmosis membrane system permitting high conversion rates due to the elimination of organic matter |
| 08/20/2009 | WO2009101106A1 Staged-filtration water treatment process |
| 08/20/2009 | WO2009042388A3 Modular oil-based sludge separation and treatment system |
| 08/20/2009 | US20090206030 Filter assembly, bioreactor catch basin and method of using the same |
| 08/20/2009 | DE102008008892A1 Vorrichtung zur Aufbereitung von Flüssigkeiten Device for treatment of liquids |
| 08/19/2009 | EP2089327A1 Process for separating off carbon black from a wastewater stream |
| 08/19/2009 | EP2089323A1 Membrane station waste treatment process |
| 08/19/2009 | CN201292300Y Water producing and desalting integrated treatment apparatus for oil field |
| 08/19/2009 | CN201292299Y Water treatment system with postpositive denitrification process |
| 08/19/2009 | CN201292298Y Double-cylinder household integral purifier for cleaning and mineralizing water |
| 08/19/2009 | CN201292297Y Integral water purifier |
| 08/19/2009 | CN201292296Y Coal mine wastewater treatment device |
| 08/19/2009 | CN201292295Y Municipal sewage treatment apparatus |
| 08/19/2009 | CN201292294Y Ultrafiltration and reverse osmosis apparatus for preparing pure water |
| 08/19/2009 | CN201292293Y General water purification equipment for urban and rural region |
| 08/19/2009 | CN201292264Y Small-sized water purifier for temporary cultivation of aquatic product |
| 08/19/2009 | CN101511443A Method and apparatus for removing impurities in rejects from sequential filters using separate treatment units |
| 08/19/2009 | CN101509076A Process for extracting copper and vanadium pentoxide from waste liquor after cleaning vanadium-removed copper wire sphere |
| 08/19/2009 | CN101508514A Zero discharge recycle treatment method for garbage leachate |
| 08/19/2009 | CN101508513A Sewage sludge decrement process for reinforcing removal of nitrogen and phosphor in sewage water |
| 08/19/2009 | CN101508512A Core-three-circulation combined water treatment process |
| 08/19/2009 | CN101508511A Confervoid-biomembrane ecological treating system |
| 08/19/2009 | CN101508510A Process for treating waste water from leather rich in aldehyde with aldehyde tannage |
| 08/19/2009 | CN101508509A Interactive treating process for advance treatment and recycle of waster water from oil production |
| 08/19/2009 | CN101508508A Division point water-in and out improved AO denitrification process |
| 08/19/2009 | CN101508507A Ecological-artificial percolation filtration water treatment system and method for dispersion type domestic wastewater |
| 08/19/2009 | CN101508506A Harbor chemical wastewater processing method |
| 08/19/2009 | CN101508505A Method for removing blue algae in water and reducing algae stench |
| 08/19/2009 | CN101508504A Single-sludge inverse-nitrification dephosphorization denitrification apparatus and method |
| 08/19/2009 | CN101508503A Coupling biochemical reactor for degradation of persistent organic pollutant in wastewater |
| 08/19/2009 | CN101508502A Gas-liquid photocatalysis oxidation reaction apparatus |
| 08/19/2009 | CN101508501A Portable activated water preparation apparatus and activated water preparation method |
| 08/19/2009 | CN101508500A Method for recycling ammonia nitrogen from garbage leachate by using film coagulate contact reactor |
| 08/19/2009 | CN101508499A Purified water processing method |
| 08/19/2009 | CN101508498A Treatment process for carbonizing wastewater |
| 08/19/2009 | CN101508497A Arcuated fin piece plate and integrated ammonia nitrogen processing equipment |
| 08/19/2009 | CN101508496A Method for purification macromolecule chromophoric matter in water from Vc fermentation wastewater biochemical treatment |
| 08/19/2009 | CN101508495A Sewage treatment method in paper friction material production |
| 08/19/2009 | CN101508494A Processing waste liquid treating apparatus |
| 08/19/2009 | CN100529285C Water self-circulation washing intelligence environment protection toilet |
| 08/19/2009 | CN100528777C Organic waste water processing method |
| 08/19/2009 | CN100528776C Process of treating sewage with animal's excrement |
| 08/19/2009 | CN100528775C Method for micro-wave auxiliary processing high-concentration nitrite waste-water |