Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
06/2012
06/27/2012CN102513077A Preparation method of titanium dioxide composite with photo-catalytic activity under sunlight
06/27/2012CN102513076A Preparation method of porous nanocrystalline titanium dioxide catalyst by utilizing biological template
06/27/2012CN102513075A Preparation method of floating type porous crystalline state TiO2 ceramic membrane photochemical catalyst
06/27/2012CN102513070A Preparation method of magnetic composite nanomaterial , product prepared by the method, and application thereof
06/27/2012CN102513069A Method for producing hierarchically structured porous coordination polymer absorbent material
06/27/2012CN102513068A Modified polyaniline adsorbent and application of modified polyaniline adsorbent in wastewater treatment
06/27/2012CN102513067A Adsorbent for adsorbing heavy metal ions in wastewater and adsorption process
06/27/2012CN102513063A Active carbon immobilized imidazole ionic liquid, preparation method thereof and application thereof
06/27/2012CN102513061A Modified active carbon and preparation method and application thereof
06/27/2012CN102513060A Active carbon nanotube adsorbent for efficiently adsorbing monocyclic aromatic in water phase
06/27/2012CN102513055A Method for preparing magnetic material for adsorbing and enriching organophosphorus pesticide
06/27/2012CN102513024A Chemical modification of maleated fatty acids
06/27/2012CN102512997A Hydrophilic polyethersulfone with cardo alloy ultrafiltration membrane and preparation method thereof
06/27/2012CN102512993A Boron-removed polysulphone modified affinitive membrane as well as preparation method and application
06/27/2012CN102512984A Preparation method for oxygen removal polymer film for water supplied for boiler
06/27/2012CN102512976A Preparation method of negative charge hybridization membrane material for removing heavy metal ions in water
06/27/2012CN102512974A Manufacturing method of heterogeneous ion exchange membrane with high selective permeability
06/27/2012CN102512966A Reverse osmosis membrane pollution prevention and control method
06/27/2012CN102512960A Resistance-reducing and easily-cleaned hollow fiber tube ultra-filter
06/27/2012CN102512958A Water purifier
06/27/2012CN102512956A Sewage treatment device for ceramic production
06/27/2012CN102512855A Method and apparatus for collection and utilization of waste water in commercial concrete mixing station
06/27/2012CN102511502A Heterotrophic-bacterium antibacterial agent, preparation method thereof and water purifying device
06/27/2012CN102511500A Bacteriostatic agent, preparation method thereof and water purifying plant
06/27/2012CN102511479A Dual-cation bactericide, preparation method and application thereof
06/27/2012CN102173525B Method for pretreating wastewater produced during producing metribuzin pesticide
06/27/2012CN102161534B Device for processing dimethylamine exhaust gas and wastewater
06/27/2012CN102160941B Cloth media filtration method
06/27/2012CN102153158B Sealing cover for sewage treatment pool
06/27/2012CN102145964B Method for treating high-ammonia-nitrogen beryllium-containing waste water
06/27/2012CN102134181B Nicosulfuron production wastewater pretreatment method
06/27/2012CN102127008B Method for recycling pyridine from chemical production wastewater
06/27/2012CN102107980B Method for removing sulfonic-group-containing dye in alkaline waste water by using magnetic chitosan adsorbent
06/27/2012CN102107925B Oxyfluorfen production wastewater pretreatment method
06/27/2012CN102079601B Resource recovery and zero discharge process for treating rare-earth wet-method smelting wastewater
06/27/2012CN102061483B Method for preparing palladium-nickel duplex metal catalytic electrode by using sodium dodecyl benzene sulfonate as aid
06/27/2012CN102060413B Urban sewage treatment device adopting denitrifying glycogen accumulating organisms (DGAOs) and treatment method thereof
06/27/2012CN102060366B Composite for treating waste water containing cadmium compound and preparation method thereof
06/27/2012CN102050536B Process for treating electroplating wastewater
06/27/2012CN102041553B Preparation method and application of crystalline-state beta-MnOOH nanowire
06/27/2012CN102030379B Oil refining device deodorant and preparation method thereof
06/27/2012CN102010036B Treatment method of waste silver electrolyte
06/27/2012CN102010019B Multifunctional ceramic water treater
06/27/2012CN102001774B Alkaline high-calcium wastewater decalcification treatment method
06/27/2012CN101993125B Solar vacuum seawater desalination device
06/27/2012CN101987765B Sewage treatment method and system used by same
06/27/2012CN101985758B Positive plate of inert composite electrode adopting EFT and preparation method thereof and electrolytic equipment containing positive plate
06/27/2012CN101985757B Transition plate of inert composite electrode adopting EFT and preparation method thereof and electrolytic equipment containing transition plate
06/27/2012CN101985372B Electrolytic equipment for sewage treatment by EFT
06/27/2012CN101973618B Method for removing and recycling hexavalent chromium ions by using chitosan-iron complex
06/27/2012CN101962251B Powdered carbon backflow and carbon/sand filter combined process for treating polluted water
06/27/2012CN101955278B Method for treating sewage from leather making
06/27/2012CN101952208B Water purification device
06/27/2012CN101948162B Method for inhibiting excessive propagation of algae in small and medium size landscaping water bodies
06/27/2012CN101948148B Energy-saving low-temperature multiple-effect seawater desalting device
06/27/2012CN101935377B Method for preparing flocculating agent used for solid-liquid separation treatment of waste drilling fluid
06/27/2012CN101934200B Method for cleaning hollow fiber membrane
06/27/2012CN101928084B Treatment method and device of liquid waste containing inorganic salt
06/27/2012CN101913685B Novel magnetic separation sewage treatment unit
06/27/2012CN101913682B Ore used in core tube of water treatment device
06/27/2012CN101898803B Method for adding granular organic carbon in ballast water
06/27/2012CN101891331B Integrated treatment device for active carbon adsorption and electrochemical regeneration and use method thereof
06/27/2012CN101891295B Liquid-phase catalytical processing method for hexavalent chromium in water
06/27/2012CN101885545B Method for processing waste water generated in color coated sheet production in steel industry
06/27/2012CN101863580B Process for treating oil field water
06/27/2012CN101863528B Blue-green algae treatment method and system thereof
06/27/2012CN101863524B Photocatalytic oxidation degradation method of wastewater containing dye
06/27/2012CN101862637B Method absorbing lead ions in sewage with tremolite amianthine
06/27/2012CN101838079B Ultrasonic atomization and vaporization seawater desalination desalting device and method
06/27/2012CN101838065B Method for recycling hexavalent chromium in electrolytic manganese production tail end wastewater
06/27/2012CN101825318B Circulating water supply system of air cooler
06/27/2012CN101823782B Method for trapping organic compound in aqueous solution
06/27/2012CN101821206B Fine bubble diffusing pipe, fine bubble diffusing device, and dipped type film separating device
06/27/2012CN101817568B Stainless steel filter head plate
06/27/2012CN101811741B Buoyant box type steady-flow water outlet device of sewage treatment regulating pond
06/27/2012CN101811688B Device and process method for recovering phosphorus from waste water by struvite precipitation method
06/27/2012CN101805079B Method for preprocessing waste water generated in ABS resin production
06/27/2012CN101805028B Adding method of organic carbon dissolved in ballast water
06/27/2012CN101804339B Preparation method of photocatalyst for processing organic pollutant
06/27/2012CN101792224B Method and device for processing emptied water of delayed coking
06/27/2012CN101786678B Sewage and wastewater treatment system by utilizing natural energy including wind energy, solar energy and cold energy
06/27/2012CN101781008B Method for pre-treating cold-rolled silicon steel coat waste liquid
06/27/2012CN101759236B Regulating and controlling method of point source pollutant of industrial park
06/27/2012CN101734814B Method for fast degrading organic dye waste water
06/27/2012CN101731269B Silver/manganese composition with high valent state and application thereof
06/27/2012CN101717136B Method for purifying waste water and recovering waste materials on line in electroplating and chemical plating processes
06/27/2012CN101708921B Tertiary treatment process for treating gravure printing wastewater
06/27/2012CN101708916B Closed circulation and zero emission processes for papermaking wastewater
06/27/2012CN101708913B Ultrasonic wave and ultraviolet ray integral sterilizing device
06/27/2012CN101704577B Double-tube water distribution device with biomembrane reaction of subsurface flow type constructed wetland
06/27/2012CN101691208B Method for preparing nanometer materials for removing radioactive elements
06/27/2012CN101664044B Magnetic nano silver antibacterial material and preparation method thereof
06/27/2012CN101626829B Process for the removal of endocrine disrupting compounds
06/27/2012CN101618924B Wastewater treatment device
06/27/2012CN101618896B Current ejector aerated water preparation device
06/27/2012CN101570932B Washing machine with improved water way
06/27/2012CN101560043B Papermaking wastewater treatment device
06/27/2012CN101559371B Molybdenum-containing semi-conductor photocatalysis material responding to visible light, preparation method and application thereof
06/27/2012CN101548678B Highly efficient composite bactericidal algaecide and preparation method
06/27/2012CN101541404B Hollow-fiber membrane for immersion filtration, hollow-fiber membrane module for immersion filtration employing the same, apparatus for immersion filtration, and method of immersion filtration
1 ... 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 ... 1452