Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 9 - Multistep treatment of water, waste water or sewage
Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429)
03/2014
03/26/2014CN103663856A High mixed-flow anaerobic combined type membrane biological reaction treatment process
03/26/2014CN103663855A Treatment method, reagent and special facility before recharge of wastewater from alkali-surfactant-polymer combination flooding oil recovery in oil field
03/26/2014CN103663854A Water treatment method applicable to removing quinolone micro-pollutants
03/26/2014CN103663853A Food residue collection and transportation treatment management system
03/26/2014CN103663852A Underground type sewage treatment device
03/26/2014CN103663851A Oil-water separator
03/26/2014CN103663850A Biological rotating disc integrated domestic sewage treatment equipment
03/26/2014CN103663849A Method for treating papermaking wastewater based on combined process including integrated membrane technology and advanced oxidation technology
03/26/2014CN103663848A Treatment method oil recovery re-injection water
03/26/2014CN103663847A Method for stable up-to-standard treatment and resource utilization of refinery wastewater
03/26/2014CN103663846A Method for accumulating nitrite nitrogen by performing short-cut denitrification on p-aminodiphenyl amine production wastewater
03/26/2014CN103663845A Method for treating p-aminodiphenylamine production device wastewater
03/26/2014CN103663844A Treatment method of ethylene waste alkali
03/26/2014CN103663843A Treatment method of p-aminodiphenylamine production device wastewater
03/26/2014CN103663842A Deep treatment method of ethylene waste lye
03/26/2014CN103663841A High-effect domestic wastewater treatment process flow and system
03/26/2014CN103663840A Method for treating acrylonitrile and polymerization wastewater thereof
03/26/2014CN103663839A Method for treating and utilizing coal gasification wastewater
03/26/2014CN103663838A Integrated and comprehensive water treatment equipment for electrochemical water
03/26/2014CN103663837A Seawater desalination system and seawater desalination method
03/26/2014CN103663836A System for negative pressure concentration treatment of electroplating waste water
03/26/2014CN103663835A Hybrid MSF (multistage flash)/RO (reverse osmosis) sea water desalination system
03/26/2014CN103663834A Treating method for landfill leachate
03/26/2014CN103663833A Treatment method and device for fluidizing and stripping high ammonia and nitrogen waste water
03/26/2014CN103663832A Ammoniacal cyanide process paraquat production wastewater pretreatment method and reagent thereof
03/26/2014CN103663831A Method for treating wastewater containing anilines
03/26/2014CN103663830A Recovery device for recovering dimethylamine from waste water
03/26/2014CN103663829A Removal of dissolved gases for boiler feed water preparation
03/26/2014CN103663828A Solar seawater purification power generating device
03/26/2014CN103663827A Natural resource multi-integration type life-support system
03/26/2014CN103663826A Method for pretreating production wastewater of titanium silicalite molecular sieves
03/26/2014CN103663825A Cleaning system for copper pipes subjected to electroplating
03/26/2014CN103663824A Wastewater treatment method and device
03/26/2014CN103663823A Coking wastewater treatment method
03/26/2014CN103663822A Treatment method of nitrochlorobenzene production wastewater
03/26/2014CN103663821A Method and system for sea water desalination
03/26/2014CN103663820A Air-flotation and membrane-filtration purification system
03/26/2014CN103663819A Water purification equipment
03/26/2014CN103663818A Purification system
03/26/2014CN103663817A Comprehensive water treatment system
03/26/2014CN103663816A Dispenser for direct drinking water containing metasilicic acid microelements
03/26/2014CN103663815A Solar energy drinking water purifier
03/26/2014CN103663814A Powder dropping preventive environment-friendly water dispenser with polyethylene (PE)-polypropylene (PP) film activated carbon filter elements
03/26/2014CN103663813A Powder dropping preventive water dispenser with polyethylene (PE)-polypropylene (PP) film activated carbon filter elements
03/26/2014CN103663812A Anti-clogging environment-friendly water dispenser with polypropylene (PP) film activated carbon filter elements
03/26/2014CN103663811A Treatment method of tar-containing wastewater for tail gas purification of calcium carbide furnace
03/26/2014CN103663810A Novel sewage treatment device
03/26/2014CN103663809A Method and device for treating chemical waste alkaline liquor
03/26/2014CN103663808A Film integrated treatment process and device for heavy metal waste water
03/26/2014CN103663807A Ultrafiltration system
03/26/2014CN103663806A Method for cooperatively treating phenolic wastewater
03/26/2014CN103663805A Method and device for pretreating coal gas desulfurization waste liquid through vacuum potassium carbonate method
03/26/2014CN103663804A Method for ferrum-carbon micro-electrolysis pretreatment of wastewater containing hydrazine and derivatives thereof
03/26/2014CN103663803A Efficient electro-deposited heavy metal cleaning system
03/26/2014CN103663802A Microelectrolysis-fenton oxidizing reaction device
03/26/2014CN103663801A Cofferdam pollutant source purifying system
03/26/2014CN103663800A Wastewater purifying device for catering industry
03/26/2014CN103663799A Printing and dyeing production wastewater reuse system device and recycling process
03/26/2014CN103663798A Gradual treatment and recovery method for secondary treatment effluent of printing and dyeing wastewater
03/26/2014CN103663797A Method for treating printing and dyeing waste water by adopting integrated membrane separation technology
03/26/2014CN103663796A Deep dephosphorization method for slightly-polluted water and equipment thereof
03/26/2014CN103663795A Environment-friendly sewage treatment method
03/26/2014CN103663794A Chemical conversion and granulation coagulating method of refractory organics
03/26/2014CN103663793A High-concentration emulsified liquid wastewater treatment method
03/26/2014CN103663792A Nylon recycling extraction water filtering system and process
03/26/2014CN103663791A Degradation method for chroma of secondary effluent from sewage plants
03/26/2014CN103663790A Treating method of high-hardness wastewater containing phosphorus and fluorine
03/26/2014CN103663789A Acid and alkali wastewater treatment method
03/26/2014CN103663788A Acid and alkali wastewater treatment technology
03/26/2014CN103663787A Water purifier of water washing type air purifier
03/26/2014CN103663786A Water treatment purifier with improved separating effect
03/26/2014CN103663785A Scale inhibiting and descaling water treatment device of nanometer titanium dioxide boiler
03/26/2014CN103663784A Treatment and recovery system for battery lead-acid waste water
03/26/2014CN103663783A Sewage decolorization device
03/26/2014CN103663782A Treatment method and equipment for cationic dye wastewater
03/26/2014CN103663781A Treatment method for copper phthalocyanine BGS production wastewater
03/26/2014CN103663780A Hand-washing water circulation treatment method and circulation water hand-washing device
03/26/2014CN103663779A Method for safely and efficiently treating arsenic waste water generated from arsenic hydride production
03/26/2014CN103663778A Method for realizing oily sludge reduction through pre-oxidation-sludge recycling
03/26/2014CN103663777A Method for treating hydrofluoric-acid-containing waste water from factory
03/26/2014CN103663776A Papermaking white water circulating treatment method and treatment device
03/26/2014CN103663775A Advanced treatment process for electroplating sewage
03/26/2014CN103663774A Method for treating low-concentration ammonia-containing wastewater by use of membrane separation technology
03/26/2014CN103663773A Treatment method of wastewater flows generated in treatment of triacetonamine-containing reaction mixture
03/26/2014CN103663772A Cosmetic water purifier provided with photoelectric image sensor and capable of automatically adjusting PH value
03/26/2014CN103663771A Medication method and medication system of water treatment device
03/26/2014CN103663770A Device for advanced treatment of wastewater employing coordination of ozone and activated carbon and preparation of device
03/26/2014CN103663769A Method for desalting sewage by using membrane separation technology
03/26/2014CN103663768A Method for improving viscosity of polymer solution prepared from oilfield sewage
03/26/2014CN103663767A Method for realizing homogeneous catalysis wet oxidation treatment of cyanide-containing waste water having high impurity content
03/26/2014CN103663766A Treatment method for recycling of gray water
03/26/2014CN103663765A Treatment method of recycling fur chromium retanning liquid for plurality of times
03/26/2014CN103663764A Household forward-osmosis sewage reusing device with magnetic nano particles used as driving liquid
03/26/2014CN103663763A Waste and wastewater recovery system and method for recycling by using system
03/26/2014CN103663762A Automatic anti-pollution reverse osmosis unit
03/26/2014CN103663761A A sewage filtering device
03/26/2014CN103663760A Sewage filtering device
03/26/2014CN103663759A High-recovery-rate saline wastewater membrane combination and separation process and application
03/26/2014CN103663758A Method for recycling wastewater produced during purified terephthalic acid production
03/26/2014CN103663757A Universal straw type water purifier
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