| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
|---|
| 11/23/2011 | CN102249497A Device for treating sewage and wastewater by using eurytopic membrane-sludge co-existing A/O (hydrolytic acidification/oxic treatment) system |
| 11/23/2011 | CN102249496A Method for advanced treatment of sewage and artificial wetland structure |
| 11/23/2011 | CN102249495A Device for carrying out ecological treatment on sewage with low carbon nitrogen ratio |
| 11/23/2011 | CN102249494A Method for improving activity of methanogens while reducing high-concentration ammonia nitrogen in anaerobic process |
| 11/23/2011 | CN102249493A Spiral-flow type integral reactor for processing rural domestic sewage |
| 11/23/2011 | CN102249492A Processing method of lamivudine wastewater |
| 11/23/2011 | CN102249491A Deep treatment device and process for secondary treatment effluent of urban sewage plant |
| 11/23/2011 | CN102249490A Coal gas wastewater processing system and processing technology |
| 11/23/2011 | CN102249489A Wastewater treatment device and wastewater treatment method using same |
| 11/23/2011 | CN102249488A Integrated garden type artificial wetland for treating rural domestic sewage |
| 11/23/2011 | CN102249487A Comprehensive processing device for wastewater and waste liquid |
| 11/23/2011 | CN102249486A Electrochemical-biological method combination device for treating printing and dyeing wastewater and wastewater treating method |
| 11/23/2011 | CN102249485A Device for treating high-concentration organic wastewater and wastewater generated during production of 1,4-butanediol |
| 11/23/2011 | CN102249484A Shunting type dual-system sludge decrement film bioreactor and using method thereof |
| 11/23/2011 | CN102249483A Method for treating industrial waste water by using CASS (cyclic activated sludge system) process and tower earthworm ecological filter |
| 11/23/2011 | CN102249482A Method for improving denitrogenation efficiency of earthworm ecological filter tank |
| 11/23/2011 | CN102249481A Method for treating total nitrogen in coal chemical wastewater by using microbes |
| 11/23/2011 | CN102249480A System and operating method for treating rubbish leachate and urban household sewage in combined way |
| 11/23/2011 | CN102249479A Sewage treatment facility and process |
| 11/23/2011 | CN102249478A Deep nitrogen and phosphorus removal process for surface water body |
| 11/23/2011 | CN102249477A Processing method for oil-water separation of kitchen garbage |
| 11/23/2011 | CN102249476A Method for removing phthalates out of water by utilizing UV (ultraviolet)/ozone/chlorella degradation composite process |
| 11/23/2011 | CN102249475A Treatment method of membrane filtration concentrated solution |
| 11/23/2011 | CN102249474A Treatment method for thiamine waste water produced in production process of phosethyl-Al bulk chemical |
| 11/23/2011 | CN102249473A Method for utilizing waste heat of turbid circulating backwater of casting machines |
| 11/23/2011 | CN102249472A Adsorption compression-multiple-effect distillation system |
| 11/23/2011 | CN102249471A Method for processing battery-level lithium carbonate mother liquor |
| 11/23/2011 | CN102249470A Water distilling equipment, and drinking water machine comprising water distilling equipment |
| 11/23/2011 | CN102249469A Portable solar water purifying device and method |
| 11/23/2011 | CN102249468A 电动净水壶 Net electric kettle |
| 11/23/2011 | CN102249467A Method for recycling and treating electroplating and grinding waste water |
| 11/23/2011 | CN102249466A System and method for treating wastewater |
| 11/23/2011 | CN102249465A System and process for treating waste water with electrochemical method |
| 11/23/2011 | CN102249464A Multifunctional water purifying apparatus |
| 11/23/2011 | CN102249463A Device for pretreating epoxy resin wastewater |
| 11/23/2011 | CN102249462A Method for recycling and processing residential area acidic water |
| 11/23/2011 | CN102249461A Supercritical water oxidation treatment system for high-salt high-chlorine organic wastewater |
| 11/23/2011 | CN102249460A Pretreatment method for photosensitive material waste water |
| 11/23/2011 | CN102249459A System for desalinating sea water |
| 11/23/2011 | CN102249458A Efficient multifunctional water purification filter |
| 11/23/2011 | CN102249457A Method for retreating wastewater reclaimed water containing phosphorus and fluorine |
| 11/23/2011 | CN102249456A Membrane method treatment process of high-concentration ammonia nitrogen waste water produced in aspartic acid or boletic acid production process |
| 11/23/2011 | CN102249455A Rural drinking water purification system with arsenic removal function |
| 11/23/2011 | CN102249454A Method for comprehensively utilizing PTA (pure terephthalic acid) wastewater containing solid particles |
| 11/23/2011 | CN102249453A Treating method of fire-fighting wastewater containing benzene series and fluoroprotein |
| 11/23/2011 | CN102249452A Drinking water advanced treatment system and method based on hydraulic circulating reactor |
| 11/23/2011 | CN102249451A Technology for producing flocculant through deleading and decoppering of lead and copper containing waste acid water |
| 11/23/2011 | CN102249450A Method for removing trace cadmium from aqueous solution |
| 11/23/2011 | CN102249449A Etching acid waste liquid disposal system, etching acid waste liquid disposal apparatus and etching acid waste liquid disposal method applied to the system and the apparatus |
| 11/23/2011 | CN102249448A System suitable for comprehensively treating bottom sediments in city inland river |
| 11/23/2011 | CN102249447A Filtering barrel for washing machine |
| 11/23/2011 | CN102249446A Multi-adaption pressure-type integral water purifier |
| 11/23/2011 | CN102249445A Coal bed gas produced water disposal system |
| 11/23/2011 | CN102249444A Multi-stage series ozone catalytic oxidation deep treatment device and preparation method of catalyst applied to same |
| 11/23/2011 | CN102249443A Method for recycling chromium from chromium passivation wastewater of electrolytic manganese factory |
| 11/23/2011 | CN102249442A Method for regenerating and recycling wool dyeing wastewater |
| 11/23/2011 | CN102249441A Resource comprehensive treatment process of alkaline residue from gasoline refining in oil refinery |
| 11/23/2011 | CN102249440A Water purification system and integrated cabinet equipped with same |
| 11/23/2011 | CN102249439A Device for preparation of pure water |
| 11/23/2011 | CN102249438A Method and equipment for using aluminum-containing wastewater as circulating cooling water |
| 11/23/2011 | CN102249437A Processing method of papermaking intermediate stage wastewater |
| 11/23/2011 | CN102249436A Method for concentrating CMP (chemi-mechanical pulp) waste liquid by using membrane process |
| 11/23/2011 | CN102249435A Oil field wastewater treatment method |
| 11/23/2011 | CN102249434A Ultrahigh-recovery-rate waste water treatment process and concentrated water high-temperature reverse osmosis treatment equipment thereof |
| 11/23/2011 | CN102249433A Method for removing oil organic matter from aqueous solution of nickel-containing compound |
| 11/23/2011 | CN102249432A Method for reinforcing natural Great-Salt-Lake mineral solution |
| 11/23/2011 | CN102249384A Treatment technology for small runoff and heavily-polluted river branches |
| 11/23/2011 | CN102249372A Immersed ultrafiltration and device and preparation system of pure water |
| 11/23/2011 | CN102249262A Concentration and cold-precipitation separation method of sodium sulfate and ammonium sulfate from vanadium-precipitation mother liquor high-salt wastewater |
| 11/23/2011 | CN102247891A Manganese-loaded heterogeneous catalyst and water treatment method of catalyzing persulfate with same to generate high-activity quinquevalent manganese |
| 11/23/2011 | CN101948186B Comprehensive treatment method for repairing in-situ biological diversity in rivers and lakes |
| 11/23/2011 | CN101863595B Landscape type combined domestic sewage purification system |
| 11/23/2011 | CN101805081B Water treatment system of power plant for combining multi-path water into one path of water |
| 11/23/2011 | CN101804319B Method for preparing chemical-biological mixing sludge adsorbent and recycling method thereof for sewage treatment, |
| 11/23/2011 | CN101793390B Comprehensive recovery method and system of condensation water and dead steam |
| 11/23/2011 | CN101786768B Forward osmosis membrane bioreactor |
| 11/23/2011 | CN101774737B Method and device for treating and recycling tobacco wastewater with double-membrane process |
| 11/23/2011 | CN101746924B Tubificidae ecosystem reactor and process |
| 11/23/2011 | CN101708917B Device and method for integrally processing garbage percolate |
| 11/23/2011 | CN101708907B Silt and sewage treatment method |
| 11/23/2011 | CN101659498B Compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas |
| 11/23/2011 | CN101575161B High-salt-content organic wastewater treating device |
| 11/23/2011 | CN101565249B Mine tailing wastewater processing method |
| 11/23/2011 | CN101475280B Zero discharge wastewater treatment method, liquid membrane crystal wastewater evaporator and application system |
| 11/23/2011 | CN101314505B Combined water treatment unit |
| 11/23/2011 | CN101058471B Device for preparing magnetization high-oxygen water from tap water |
| 11/22/2011 | CA2354388C Process for the treatment of waste water containing heavy metals |
| 11/17/2011 | WO2011068327A3 Method for treating wastewater containing heavy metals and highly concentrated total nitrogen generated during the production of a positive electrode active material precursor for a secondary battery |
| 11/17/2011 | WO2011068317A3 Method for treating wastewater produced during the manufacture of nitro compounds |
| 11/17/2011 | US20110278950 Adaptive inductive power supply |
| 11/17/2011 | US20110278222 Ultrapure water production method an apparatus therefor |
| 11/16/2011 | EP1855777B1 Fluid flow interruption means for filter of water purifier |
| 11/16/2011 | CN202040915U Entire intelligent environmental protection and energy-saving air cleaning system |
| 11/16/2011 | CN202038950U Biological treatment device of phenolic resin productive technology waste water |
| 11/16/2011 | CN202038949U Oil-water separating treatment method for kitchen waste |
| 11/16/2011 | CN202038948U Integrated high ammonia nitrogen sewage treatment unit |
| 11/16/2011 | CN202038947U Integrated sewage treatment system of biological fluidized bed |
| 11/16/2011 | CN202038946U Wastewater treatment device in acrylic production process |
| 11/16/2011 | CN202038945U Device for processing phosphorus in organophosphorus pesticide waste water by metallic compound complex mineral |
| 11/16/2011 | CN202038944U Biological activated carbon reactor used for removing ammonia nitrogen in water |