| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 10/23/2013 | CN203247173U High hydraulic load ground infiltration system |
| 10/23/2013 | CN203247172U Anaerobic reaction device |
| 10/23/2013 | CN203247171U Biological reaction device adopting fiber bundle filter membrane |
| 10/23/2013 | CN203247170U Water filtering apparatus |
| 10/23/2013 | CN203247169U Efficient tailing recycling and sewage treatment all-in-one machine |
| 10/23/2013 | CN203247168U Multifunctional integrated sticking substance waste water fine processing device |
| 10/23/2013 | CN203247167U Combined type water purifier |
| 10/23/2013 | CN203247166U Solar sea water desalination system |
| 10/23/2013 | CN203247165U Water treatment device integrating filtration, air floatation and flocculation |
| 10/23/2013 | CN203247164U Raw water treatment device |
| 10/23/2013 | CN203247163U Production device of direct drinking water |
| 10/23/2013 | CN203247162U Equipment for automatically processing special wastewater in hospital |
| 10/23/2013 | CN203247161U Wastewater treatment device |
| 10/23/2013 | CN203247160U System for recycling and treating manganese waste water |
| 10/23/2013 | CN203247159U Oil-water separation equipment integrating air floatation and gravity type |
| 10/23/2013 | CN203247158U High-efficient adsorption columella for detecting bromate in drinking water |
| 10/23/2013 | CN203247157U RO (Reverse Osmosis) machine without production of waste water |
| 10/23/2013 | CN203247156U Inland river ship domestic wastewater shattering and sterilization storage cabinet |
| 10/23/2013 | CN203247155U Rare earth waste water reclamation and treatment device |
| 10/23/2013 | CN203247154U Device for treating highly-emulsified oily acidic water through refining |
| 10/23/2013 | CN203247153U Sewage purification treatment device |
| 10/23/2013 | CN203247152U Sea water desalination machine |
| 10/23/2013 | CN203247151U Filtering core set used in water purifier |
| 10/23/2013 | CN203247150U Residue removing and recycling device for industrial wastewater |
| 10/23/2013 | CN203247149U Underground sewage disposal and recycling system for mine |
| 10/23/2013 | CN203247148U Device used for recycling water obtained after pressure-bearing test |
| 10/23/2013 | CN203247147U Water quality security instrument of intelligent water purifier |
| 10/23/2013 | CN203247126U Instant drinking machine with blowdown device |
| 10/23/2013 | CN203244903U Micro environment intelligent ecological purification water saving system |
| 10/23/2013 | CN103370283A Ultrapure water producing system and ultrapure water producing method |
| 10/23/2013 | CN103360231A Method for extracting formic acid from sewage from production of epoxy biological plasticizer |
| 10/23/2013 | CN103360226A Method for recovering acetaldehyde and 2-MD (2-Methyl-1,3-Dioxolane) from polyester wastewater system and recovery system thereof |
| 10/23/2013 | CN103359897A Process and device for treating high-concentration sulfate radical textile-dyeing wastewater |
| 10/23/2013 | CN103359896A A treatment, regeneration and cyclic utilization method for tobacco sheet production wastewater |
| 10/23/2013 | CN103359895A Tandem-type removing method for oxidative pollutants in shallow groundwater |
| 10/23/2013 | CN103359894A Groundwater microbial denitrification system |
| 10/23/2013 | CN103359893A A sewage treatment and reclaimed-water reuse coupled system for landscape energy-efficient residential areas |
| 10/23/2013 | CN103359892A Advanced treatment method for pharmaceutical wastewater |
| 10/23/2013 | CN103359891A Combined process for treatment of municipal sewage and recovery of nitrogen and phosphorus |
| 10/23/2013 | CN103359890A Method for purification of steel pickling waste water produced by neutralization and sedimentation treatment |
| 10/23/2013 | CN103359889A Sewage treatment device |
| 10/23/2013 | CN103359888A Technology for treating organic solvent waste water and organic solvent-containing waste water |
| 10/23/2013 | CN103359887A Method for realizing household refuse leaching solution zero-discharge |
| 10/23/2013 | CN103359886A Comprehensive technology for ecological restoration of low-pollution river water |
| 10/23/2013 | CN103359885A Double-membrane wastewater biological treatment system |
| 10/23/2013 | CN103359884A Early stage processing method for sweet rice flour processing sewage |
| 10/23/2013 | CN103359883A Thorough sewage treatment method |
| 10/23/2013 | CN103359882A Method for treating pig farm waste pollutant |
| 10/23/2013 | CN103359881A Method for reducing and controlling wastewater pollution of pig farm |
| 10/23/2013 | CN103359880A Biochemical treatment process for ethylene waste lye |
| 10/23/2013 | CN103359879A Method for treating nitrophenol-containing sodium salt wastewater |
| 10/23/2013 | CN103359878A Treatment method for realizing zero emission of printing and dyeing wastewater |
| 10/23/2013 | CN103359877A High-concentration sewage multi-stage diatom ecological treatment system |
| 10/23/2013 | CN103359876A Harmless dimethylacetamide wastewater treatment method |
| 10/23/2013 | CN103359875A Waste water treatment method and waste water treatment system |
| 10/23/2013 | CN103359874A Treatment method for reclaimed water reuse of automobile manufacturer and matching process system thereof |
| 10/23/2013 | CN103359873A Method for processing and recycling MBR-NF (membrane bioreactor-nanofiltration) antibiotic wastewater based on thick water backflow |
| 10/23/2013 | CN103359872A Domestic wastewater treatment method |
| 10/23/2013 | CN103359871A Micro-electric field hydrocyclone system for treatment of farmland runoff rainwater |
| 10/23/2013 | CN103359870A Enhanced electronic descaling device |
| 10/23/2013 | CN103359869A Enhanced branch pipeline descaling device |
| 10/23/2013 | CN103359868A Sewage treatment photocatalysis reactor |
| 10/23/2013 | CN103359867A Method and device for fracturing flowback fluid treatment |
| 10/23/2013 | CN103359866A Water quality balance method of purified water |
| 10/23/2013 | CN103359865A Energy-saving environment-friendly nitrification wastewater treatment method |
| 10/23/2013 | CN103359864A Technique for evaporating and recycling wastewater generated in hydroxypropyl methyl cellulose production |
| 10/23/2013 | CN103359863A Sewage treatment method for biomass diesel production |
| 10/23/2013 | CN103359862A Process and system for treating nitrochlorobenzene ammonolysis wastewater |
| 10/23/2013 | CN103359861A Treating technology and treating system for oil sand oil exploitation sewage |
| 10/23/2013 | CN103359860A Dilatation method for wastewater degradation device by photocatalytic radiation source status self-test |
| 10/23/2013 | CN103359859A Large-treatment capacity photocatalytic wastewater degradation reactor capable of actively monitoring state of light source |
| 10/23/2013 | CN103359858A Large capacity microwave photocatalytic wastewater degradation device of self-inspection electrodeless UV lamp state |
| 10/23/2013 | CN103359857A Oxidation method for processing restaurant wastewater |
| 10/23/2013 | CN103359856A 过滤超声和紫外船舶压载水处理设备 Ultrasound and ultraviolet filtration of Ships' Ballast Water Treatment Equipment |
| 10/23/2013 | CN103359855A 组合式船舶压载水处理设备 Combination of Ships' Ballast Water Treatment Equipment |
| 10/23/2013 | CN103359854A Method and device for treating inorganic ammonium salt wastewater by using integrated membrane |
| 10/23/2013 | CN103359853A Preparation method for health-care drinking water |
| 10/23/2013 | CN103359852A Preparation system for pure water |
| 10/23/2013 | CN103359851A Method for removing halogenated nitrogen-containing sterilization side products from drinking water |
| 10/23/2013 | CN103359850A Ultrapure water manufacturing apparatus |
| 10/23/2013 | CN103359849A Method for treating arsenic-containing organic wastewater with high salt |
| 10/23/2013 | CN103359848A Method for treating silicon-containing washing wastewater in preparation process of Na type molecular sieves |
| 10/23/2013 | CN103359847A Pure water preparation device and automatic emulsion blending system |
| 10/23/2013 | CN103359846A Oily wastewater treatment system and process for treating oily wastewater by using same |
| 10/23/2013 | CN103359845A Water purification system without discharge of waste water |
| 10/23/2013 | CN103359844A Membrane filtration and nitrogen stripping deaeration water treatment equipment and method |
| 10/23/2013 | CN103359843A Water purification machine |
| 10/23/2013 | CN103359842A No-wastewater water purifier |
| 10/23/2013 | CN103357649A Household refuse park-like biologic chain treatment method |
| 10/23/2013 | CN103357428A SBA-15 loaded iron-cobalt oxide catalyst, preparation method and application thereof in wastewater treatment |
| 10/23/2013 | CN103357269A Antimicrobial filter |
| 10/23/2013 | CN103357267A Exhaust innocent treatment system |
| 10/23/2013 | CN102964035B Device for autotrophic nitrogen removal of composite biological membrane and operation method |
| 10/23/2013 | CN102923904B Integrated processing device and method for composite wastewater in dinitrodiazophenol production |
| 10/23/2013 | CN102795714B Organic sewage treatment pool bottom slab |
| 10/23/2013 | CN102765831B Purification method of wastewater containing heavy metal and arsenic |
| 10/23/2013 | CN102745869B Composite constructed wetland system for sewage treatment and ecological restoration |
| 10/23/2013 | CN102674577B Full-automatic energy-saving reclaimed water recycling device |
| 10/23/2013 | CN102674549B Treatment method for applying urban reclaimed water to landscape water |
| 10/23/2013 | CN102649610B Method for utilizing waste water during production of stevioside |