| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 07/25/2012 | CN102603121A Comprehensive utilization method of domestic sewage |
| 07/25/2012 | CN102603120A Device and method for treating sewage with low ratio of carbon to nitrogen |
| 07/25/2012 | CN102603119A Garbage leachate treatment device and treatment method thereof |
| 07/25/2012 | CN102603118A Sewage treatment method based on blasting laminated artificial wetland |
| 07/25/2012 | CN102603117A Treatment method of secondary wastewater of kitchen waste |
| 07/25/2012 | CN102603116A Distribution treatment combination technological method for domestic sewage of small-sized towns |
| 07/25/2012 | CN102603115A Integrated device for processing domestic sewage in small towns |
| 07/25/2012 | CN102603114A Method and system for recovering polyvinyl chloride (PVC) mother liquor waste water |
| 07/25/2012 | CN102603113A Three-dimensional domestic sewage purification system |
| 07/25/2012 | CN102603112A Biochemical treatment technology for viscose waste water with physico-chemical method and CASS (Cyclic Activated Sludge System) method |
| 07/25/2012 | CN102603111A Quick-start unpowered biologically enhanced constructed wetland system suitable for treating domestic sewage and waste water in small towns |
| 07/25/2012 | CN102603110A Method for recovering heavily polluted water body in city by utilizing aeration-to-sediments |
| 07/25/2012 | CN102603109A Water treatment and comprehensive utilization system of energy-saving house |
| 07/25/2012 | CN102603108A Circulating water treatment system of wet-type spray booth and treatment method |
| 07/25/2012 | CN102603107A Pretreatment method for producing synthesis ammonia waste water by coke gas making technology |
| 07/25/2012 | CN102603106A Composite system and method for treating industrial wastewater by membrane distillation |
| 07/25/2012 | CN102603105A Laboratory cyanide copper plating waste liquor recycling method |
| 07/25/2012 | CN102603104A Innocent treatment method for high chlorine wastewater in oil and gas fields |
| 07/25/2012 | CN102603103A Complex heavy-metal waste water emergency quick treatment method |
| 07/25/2012 | CN102603102A Processing method of browning liquid |
| 07/25/2012 | CN102603101A Combination treatment method of 2-naphthol production wastewater |
| 07/25/2012 | CN102603100A Separated type waterpower recirculation reactor-based system and method for removing heavy metal ions in water |
| 07/25/2012 | CN102603099A Coupling process method for high-concentration arsenic acidic wastewater |
| 07/25/2012 | CN102603098A Circular processing method of stainless steel acid washing waste liquid |
| 07/25/2012 | CN102603097A Advanced treatment and recycling process for wastewater containing heavy metal ions |
| 07/25/2012 | CN102603096A Treatment method for recycling waste sodium chlorate sewage |
| 07/25/2012 | CN102603095A Wastewater treatment apparatus, wastewater treatment method, and wastewater treatment system |
| 07/25/2012 | CN102603094A Method for treating waste water during production of chlorpyrifos |
| 07/25/2012 | CN102603093A Device for water treatment plant |
| 07/25/2012 | CN102603092A Treating method for desalting high-salt-content waste water in oil and gas field |
| 07/25/2012 | CN102603091A Sewage treatment system |
| 07/25/2012 | CN102603090A Method and system for treating high-salinity amino acid waste water in aspartame industry |
| 07/25/2012 | CN102603089A Water-saving drinking machine |
| 07/25/2012 | CN102603088A Bi-stage air floater |
| 07/25/2012 | CN102603057A Medical sterile water treater |
| 07/25/2012 | CN102602994A Method for preparing arsenic trioxide by utilizing arsenious waste water |
| 07/25/2012 | CN102600980A Recycling method for mineral processing waste water with high leaching residue content in zinc hydrometallurgy |
| 07/25/2012 | CN102599100A Landscape fishpond purification system and purification method thereof |
| 07/25/2012 | CN102259954B Waste acid recycling process and matching device thereof |
| 07/25/2012 | CN102249496B Method for advanced treatment of sewage and artificial wetland structure |
| 07/25/2012 | CN102249455B Rural drinking water purification system with arsenic removal function |
| 07/25/2012 | CN102225822B Artificial reinforced ecological filter bed, and method for treating polluted river water through the artificial reinforced ecological filter bed |
| 07/25/2012 | CN102219323B Method for simultaneously removing organic pollutants and ammonia in waste water and reactor |
| 07/25/2012 | CN102211828B Method for sludge reduction for cold rolling pickling wastewater in steel industry |
| 07/25/2012 | CN102198985B Special oil-water separator for metal surface treatment |
| 07/25/2012 | CN102180571B Method and system for biologically treating restaurant and kitchen garbage at high speed |
| 07/25/2012 | CN102173986B 2,4-D pesticide production waste water pretreatment method |
| 07/25/2012 | CN102173538B Device and process for biochemically treating saline organic wastewater |
| 07/25/2012 | CN102173518B Dephosphorization method for glyphosate wastewater |
| 07/25/2012 | CN102167476B Method for removing algae and microcystin from raw water in water plant |
| 07/25/2012 | CN102167460B Organic phosphonic acid and inorganic phosphorus-containing wastewater treatment technology |
| 07/25/2012 | CN102161554B Anaerobic hydrolysis-acidification and anoxic-aerobic process-sequencing batch reactor (AO-SBR) integrated sewage treatment reaction tank |
| 07/25/2012 | CN102161538B Method for pretreating 2-methyl-4-chlorophenoxy acetic acid pesticide production wastewater |
| 07/25/2012 | CN102153253B Side flow aeration biofilter-side flow artificial wetland combined reclaimed water treatment system |
| 07/25/2012 | CN102153239B Process and system for carrying out high-efficiency denitrification and dephosphorization treatment on urban sewage |
| 07/25/2012 | CN102153229B Process for treating high-concentration oil refining wastewater |
| 07/25/2012 | CN102153187B Method for removing trace chromium in aqueous solution |
| 07/25/2012 | CN102145967B Device and method for processing restaurant wastewater |
| 07/25/2012 | CN102145948B Water treatment method for adsorbing and removing Tl<+> and/or Cd2<+> by producing nanometer manganese dioxide in situ |
| 07/25/2012 | CN102139996B Integral treatment process for rural garbage seeping liquid |
| 07/25/2012 | CN102126815B Method for reinforcing nitrogen and phosphorous removal from sewage by utilizing anaerobic environment of pipeline |
| 07/25/2012 | CN102126810B Parallel A2O-MBR denitrifying phosphorus removal method |
| 07/25/2012 | CN102115229B Water-saving reverse osmosis water purification machine |
| 07/25/2012 | CN102079611B Wastewater treatment self-control method |
| 07/25/2012 | CN102050555B Device and method for treating and recycling printing and dyeing wastewater |
| 07/25/2012 | CN102050533B Method for treating and recycling circulating water and sewage |
| 07/25/2012 | CN102040310B Sewage treatment method for reinjection of produced water from oil field to low-permeability oil field |
| 07/25/2012 | CN102040297B Method for decolorizing and recycling waste water from xylose production |
| 07/25/2012 | CN102020382B Treatment method of industrial waste water containing diazodinitrophenol |
| 07/25/2012 | CN102015545B Process for treating waste from a membrane filtration plant |
| 07/25/2012 | CN102010095B Small-scale hydraulic automatic biological filtration process |
| 07/25/2012 | CN102010080B Raw water fountain |
| 07/25/2012 | CN101985378B Aluminum-iron combined high-grade oxidation treatment method for organic wastewater |
| 07/25/2012 | CN101979347B Method for treating phosphotriester flame retardant wastewater |
| 07/25/2012 | CN101979344B Nano catalytic electrolysis technology and membrane technology-based leather wastewater treatment and recycling method |
| 07/25/2012 | CN101973657B Processing device and processing method for removing nitrate from ground water |
| 07/25/2012 | CN101935112B Cold and heat source revolution type dual-prevention device for sewage or surface water and system thereof |
| 07/25/2012 | CN101928096B Sewage treatment method and system in ecological sensitive areas |
| 07/25/2012 | CN101928083B Method for treatment of wastewater containing heavy metal molybdenum |
| 07/25/2012 | CN101921043B Advanced treatment device for industrial wastewater |
| 07/25/2012 | CN101898814B Acidic water |
| 07/25/2012 | CN101885566B Treatment system and method of coking wastewater |
| 07/25/2012 | CN101885557B Method for recovering and treating phenolic wastewater |
| 07/25/2012 | CN101885548B Low-temperature multi-effect seawater desalting inter-regenerative multi-stage spraying water supply system for raw material |
| 07/25/2012 | CN101880114B Rear-mounted denitrification phosphorus and nitrogen removal system and process |
| 07/25/2012 | CN101863565B Earth surface depth treatment method of high-arsenic underground water and system thereof |
| 07/25/2012 | CN101805070B Electromagnetic fluid reaction device |
| 07/25/2012 | CN101734829B Biological nitrogen and phosphorus removal process of sewage and matched device of V-shaped biological aerated filter pool |
| 07/25/2012 | CN101734825B Method for treating wastewater generated by cyclohexanone ammoximation process |
| 07/25/2012 | CN101723564B Garbage percolate treating process by biochemical and membrane separation |
| 07/25/2012 | CN101723540B Water treatment method through combination of catalytic oxidation and aeration biological filter |
| 07/25/2012 | CN101708930B System and method for respectively recovering fermented industrial waste water according to quality |
| 07/25/2012 | CN101698553B Method for processing wastewater from rice flour plants |
| 07/25/2012 | CN101698549B Integrated oxygen-poor intermittent aeration domestic sewage treatment device |
| 07/25/2012 | CN101624247B Technology for supercritical water oxidation processing of leather wastewater |
| 07/25/2012 | CN101538101B Home position strengthening fermentation regenerated carbon source sewage disposal system for sewage plant |
| 07/25/2012 | CN101525198B Method for treating and recovering polyvinyl chloride mother liquid waste water |
| 07/19/2012 | WO2012095226A1 Method and apparatus for dehydration treatment, and treatment before dehydration of a sludge substance |
| 07/19/2012 | WO2012094696A1 Process for the destruction of organics in bayer process streams |
| 07/19/2012 | US20120181229 Method of treating a plant wastewater and treatment system therefor |