| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 09/16/2009 | CN101531426A Method for disposing and using full-tailing slurry and device thereof |
| 09/16/2009 | CN101531425A Method for treating ammonia nitrogen wastewater |
| 09/16/2009 | CN101531424A Sewage purification and reuse process and equipment thereof |
| 09/16/2009 | CN100540487C Integrated processor for high concentration non-degradable sewage |
| 09/16/2009 | CN100540486C Synchronous denitrification and dephosphorization process for city sewage |
| 09/16/2009 | CN100540485C Method for circulated utilization of mother liquor of methyl naphthol and beta-naphthol production |
| 09/15/2009 | US7588688 integrate cross-flow filtration (i.e., micro-filtration or ultra-filtration) with a settling tank; chemical-free filtering of particulate down below sub-micron levels, while concentrating the particulate into a sludge; environment friendly; aggregate fines removal; sediment removal |
| 09/15/2009 | CA2502448C Synthetic material filter and associated method of use |
| 09/15/2009 | CA2476733C Pre- and post-treatment system and method for aquatic plant filtration using ozone |
| 09/13/2009 | CA2625508A1 A tertiary system and process for treating a liquid effluent from an onsite domestic secondary treatment unit |
| 09/10/2009 | US20090223890 Process and reactor for anaerobic waste water purification |
| 09/10/2009 | US20090223882 Dual-Train Wastewater Reclamation and Treatment System |
| 09/10/2009 | DE102004026447B4 Verfahren und Vorrichtung zur Abtrennung von Sulfationen aus Wässern und zur Einbringung von Pufferkapazität in Wässer Method and apparatus for removing sulfate ions from waters and to table buffering capacity in water |
| 09/10/2009 | CA2655484A1 Centralized liquid waste treatment system and method |
| 09/09/2009 | CN201305526Y Ecosystem box |
| 09/09/2009 | CN201305525Y Different-quality water-fetching water producer dedicated to rural schools |
| 09/09/2009 | CN201305524Y Water eutrophication control processing equipment |
| 09/09/2009 | CN201305523Y Processing system for transforming normal water to ultrapure water |
| 09/09/2009 | CN201305522Y Processing system for realizing the recycling of coking waste water |
| 09/09/2009 | CN201305521Y Novel wellhead treatment device with water injection well-flushing fluid |
| 09/09/2009 | CN201305520Y Waste disposal plant of food waste processor |
| 09/09/2009 | CN201305519Y Water purifying plant on-vehicle |
| 09/09/2009 | CN201305518Y Novel water body purification equipment for planting and aquaculture |
| 09/09/2009 | CN201305517Y System changing rain floods to drinking water by membrane method |
| 09/09/2009 | CN201305516Y Urban and rural KDF55 ultrafiltration membrane combined with water purifier |
| 09/09/2009 | CN201305515Y Filtering processing system for water treatment plants |
| 09/09/2009 | CN101526821A Intelligent control method for electrolyzed oxidizing water centralized supply system |
| 09/09/2009 | CN101525576A Method for producing microalgae with domestic sewage and industrial sewage |
| 09/09/2009 | CN101525264A Method for recycling sodium hypochlorite purifying liquid used for purifying acetylene gas |
| 09/09/2009 | CN101525208A Rural wastewater and refuse intensive treatment and resource green engineering |
| 09/09/2009 | CN101525207A Integrated pre-denitrification and denitrogenation biological filter sewerage treatment process |
| 09/09/2009 | CN101525206A Ecologically harmless treatment system of excrement and domestic sewage |
| 09/09/2009 | CN101525205A Pressure type membrane bioreactor technique of suspension bed and device |
| 09/09/2009 | CN101525204A Method for treating village sewage and specific device thereof |
| 09/09/2009 | CN101525203A Method for treating persistent organic pollutant wastewater |
| 09/09/2009 | CN101525202A Advanced dyeing wastewater treatment and reclaimed water reuse system and method thereof |
| 09/09/2009 | CN101525201A Method for purifying pig-raising wastewater by using green water cress |
| 09/09/2009 | CN101525200A Ecological soil purifying bed with automatic domestic sewage reoxygenation function |
| 09/09/2009 | CN101525199A Method for processing polluted water by utilizing film bioreactor in positive pressure environment. |
| 09/09/2009 | CN101525198A Method for treating and recovering polyvinyl chloride mother liquid waste water |
| 09/09/2009 | CN101525197A Low-energy treatment method of high-density hydrometallurgical process wastewater |
| 09/09/2009 | CN101525196A Multi-effect distilled seawater desalting plant with pre-heater |
| 09/09/2009 | CN101525195A Method for treating profenofos synthetic wastewater by using hydrogen peroxide |
| 09/09/2009 | CN101525194A Method for treating blood wastewater |
| 09/09/2009 | CN101525193A Processing method for printing and dyeing waste water recycling |
| 09/09/2009 | CN101525192A Method and system for treating domestic sewage by using sewage water generated by desulfurization and dedusting of coal-fired boiler |
| 09/09/2009 | CN101525191A Coking wastewater membrane method treating process |
| 09/09/2009 | CN101525190A Efficient wastewater treating process based on Fenton reaction |
| 09/09/2009 | CN101525189A Method for treating wastewater containing ammonia, vanadium, chrome and sodium sulfate |
| 09/09/2009 | CN101525188A Treatment method of chemo-setting and membrane separation of waste water containing Hg |
| 09/09/2009 | CN101525187A Method for concentrating titanium pigment waste acid |
| 09/09/2009 | CN101525169A Self-cleaning equipment for preparing small molecular group drinking water |
| 09/09/2009 | CN100537849C Structure of an electrode for use in an electrolytic cell |
| 09/09/2009 | CN100537464C Method for reclaiming and utilizing paper-making industrial waste water |
| 09/09/2009 | CN100537463C Textile printing and dyeing wastewater advanced treatment method |
| 09/09/2009 | CN100537462C Water quality purification method in source-free water area and facilities |
| 09/09/2009 | CN100537461C Handling method for refractory waste water |
| 09/09/2009 | CN100537460C Process for reclaiming PVC slurry waste water using liquid phase suspension method |
| 09/09/2009 | CN100537459C Waste water treatment method and apparatus |
| 09/09/2009 | CN100537458C Method for removing ammonia and nitrogen in garbage percolate |
| 09/09/2009 | CN100537457C Combined treating method for reclaimed water reuse |
| 09/09/2009 | CN100537456C Industrial ultrapure water preparation process |
| 09/09/2009 | CN100537455C Ternary combination flooding produced liquid oil-containing sewage treatment technique |
| 09/08/2009 | CA2504319C Biological wastewater purification device |
| 09/08/2009 | CA2476637C Quick change filter and bracket system with key system and universal key option |
| 09/03/2009 | WO2009108032A1 Plant and method for the simultaneous treatment of wastewater and generated sludge |
| 09/03/2009 | WO2009090476A3 Integrated bio-digestion facility |
| 09/03/2009 | US20090218292 Methods of treating water |
| 09/03/2009 | US20090218291 Methods for treating water |
| 09/03/2009 | US20090218282 Dual-Train Wastewater Reclamation and Treatment System |
| 09/03/2009 | US20090217583 Method of converting animal wastes to energy and useful by-products |
| 09/02/2009 | EP1768932A4 Water purifier |
| 09/02/2009 | EP1244601B1 Waste treatment process |
| 09/02/2009 | CN201301265Y Highly effective biological treatment coked wastewater device |
| 09/02/2009 | CN201301264Y Chemical wastewater reclamation and treatment system |
| 09/02/2009 | CN201301263Y Town and country household multifunctional composite filtering core water producing machine |
| 09/02/2009 | CN201301262Y Movable integrated type emergency processing device for drinking water |
| 09/02/2009 | CN201301261Y Ammonium nitrate condensate wastewater recycling and treating device |
| 09/02/2009 | CN201301260Y Equipment system of fluoride waste water processing technique |
| 09/02/2009 | CN201301259Y Deep purification film separate assembly device of industrial sewage |
| 09/02/2009 | CN201301258Y Oily sewage silt treatment equipment |
| 09/02/2009 | CN101519886A Sewage recovery device |
| 09/02/2009 | CN101519885A Method for synthetically utilizing concrete curing water and rain water in constructional engineering |
| 09/02/2009 | CN101519853A Method for processing alkaline pulping black liquor in paper making process |
| 09/02/2009 | CN101519491A Method for making polycarbonate |
| 09/02/2009 | CN101519362A Method for recovering dimethyl formamide |
| 09/02/2009 | CN101519267A Combined treatment process for high-concentration organic waste water |
| 09/02/2009 | CN101519266A High-efficient denitrification and dephosphorization MBR process and device |
| 09/02/2009 | CN101519265A Sewage treatment process and system |
| 09/02/2009 | CN101519264A Urban waste water ecological treatment and comprehensive utilization method |
| 09/02/2009 | CN101519263A Country sewage treatment station of unit type membrane and biological decomposition |
| 09/02/2009 | CN101519262A Mobile sewage treatment station of unit type membrane and biological decomposition |
| 09/02/2009 | CN101519261A Method for treating the micro-polluted drinking water of retarded biological fluidized bed and device |
| 09/02/2009 | CN101519260A Molecular micro-electrolysis treatment method for dinitrodiazophenol wastewater |
| 09/02/2009 | CN101519259A Desalination process for waste water |
| 09/02/2009 | CN101519258A Preprocessing method and preprocessing device for furan resin waste water |
| 09/02/2009 | CN101519257A Method for processing saline waste water and device thereof |
| 09/02/2009 | CN101519256A Application of sodium bismuthate in rapidly degrading organic dye waste water and degradation method |
| 09/02/2009 | CN101519255A Preparation method for oxygen enriched water |
| 09/02/2009 | CN101519254A Oxygen enriched water making machine |