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)
07/2012
07/04/2012CN102531248A Effluent decoloring method and effluent decoloring device
07/04/2012CN102531247A Treatment method for wastewater produced during flue gas desulphurization through alcohol-amine process
07/04/2012CN102531246A Method for recycling waste acid
07/04/2012CN102531245A Method for treating water bloom blue-green algae harmlessly
07/04/2012CN102531244A Pretreatment method of landfill leachate of waste incineration power plant
07/04/2012CN102531243A Zero-emission production process of electrolytic manganese wastewater
07/04/2012CN102531242A Electric flocculating method for treating sewage
07/04/2012CN102531241A Method for removing nitrogen and phosphorus from sludge anaerobic acidification liquor
07/04/2012CN102531240A Solar floating purifier
07/04/2012CN102531239A Method for recycling diosgenin hydrolyzate
07/04/2012CN102531238A Pretreatment process for high concentration organic wastewater and acidic waste liquid for printed circuit boards
07/04/2012CN102531237A Method for treating money-printing wastewater with combination of modified bentonite and photo-Fenton method
07/04/2012CN102531236A Treating method of arsenic in waste acid
07/04/2012CN102531235A Technology for deeply treating stone processing wastewater
07/04/2012CN102531234A Method for pretreatment of alkaline waste water through fenton oxidation
07/04/2012CN102531233A Heavy-metal-containing electroplating wastewater treatment and heavy metal recycling method
07/04/2012CN102531232A In-situ regeneration method for pharmaceutical condensed water
07/04/2012CN102531231A System for catalytically oxidating hydrazine wastewater with fixed beds
07/04/2012CN102531230A Reclaimed water supplying-type surface water deep purification combined process method and device
07/04/2012CN102531229A Comprehensive treatment process of desulfuration waste water
07/04/2012CN102531228A Method for treating acidic wastewater containing iron
07/04/2012CN102531227A A process for treatment of produced water obtained from an enhanced oil recovery process using polymers
07/04/2012CN102531226A Method for treating acidic dye printing and dyeing wastewater
07/04/2012CN102531225A Integrated type all-in-one water purification plant
07/04/2012CN102531224A Method and device for recovering indigoid dye
07/04/2012CN102531223A Pressure type softening water purifier
07/04/2012CN102531222A Treatment method for vanadium precipitating waste water
07/04/2012CN102531221A Method used for processing waste water after vanadium precipitation
07/04/2012CN102531220A Multifunctional water purifier
07/04/2012CN102531219A Efficient low-loss wastewater advanced treatment device
07/04/2012CN102531218A Oil separation pool for water and oil separation
07/04/2012CN102531217A Intensive wastewater advanced treatment combined pool
07/04/2012CN102531216A Process and equipment for processing pesticide wastewater
07/04/2012CN102531215A Treatment method of industrial sewage containing sodium sulfate and ultrafiltration device
07/04/2012CN102531214A Wastewater-free reverse osmosis (RO) water treatment device combining functions of healthy water and purified water
07/04/2012CN102531213A Multifunctional filtering device for water dispenser
07/04/2012CN102531212A Novel multifunctional ion exchanger
07/04/2012CN102531211A Canned fruit sugar water filter
07/04/2012CN102531210A Deep treatment and reuse method of wastewater from aluminum electrolysis plant
07/04/2012CN102531163A Novel high-efficiency anaerobic treatment device for soybean protein wastewater
07/04/2012CN102531128A Ferric salt-sodium alga acid combination anterior filming water treatment agent, production and application thereof
07/04/2012CN102531107A Electrochemical advanced oxidation system and electrochemical advanced oxidation method for treating organic waste water difficult to degrade
07/04/2012CN102531025A Method for treating rare earth ammonium chloride wastewater
07/04/2012CN102525275A Efficient and energy-saving direct water dispenser integrating purification and filtration
07/04/2012CN102524160A Water treatment system adopting molecular sieves prepared from flyash of power plants for filtration
07/04/2012CN102523867A Organism circulating cultivation method
07/04/2012CN102249472B Adsorption compression-multiple-effect distillation system
07/04/2012CN102229458B Emulsion-containing waste water treatment method in automobile industry
07/04/2012CN102190389B Iron-carbon micro-electrolysis fenton oxidation reactor
07/04/2012CN102180560B Device and method for continuously and biologically treating urban sewage
07/04/2012CN102173539B Device and process for processing high-salt non-biodegradable toxic industrial waste water
07/04/2012CN102173524B Water treatment method for ultrasonically improving oxidation of pollutant with permanganate
07/04/2012CN102173522B Treatment and recycling process for initiator CH335 wastewater
07/04/2012CN102167477B Recycle system and recycle method of coked wastewater
07/04/2012CN102167470B Ecological self-maintaining device of landscape water body
07/04/2012CN102153240B Method for treating waste water from production of metronidazole
07/04/2012CN102153236B Rear denitrifying sewage treatment device and process
07/04/2012CN102139997B Three-level biological purification process for disposing terminal waste water from sugar refinery
07/04/2012CN102139992B Process and equipment for treating high-concentration pyridine waste water
07/04/2012CN102139991B Method for treating and recycling coal-derived natural gas waste water and device thereof
07/04/2012CN102134149B Composite moving bed bio-film reactor
07/04/2012CN102134133B Method for treating 2,4-dichlorophenol wastewater by ozone oxidation in organic solvent
07/04/2012CN102120663B Coking wastewater advanced treatment system and process
07/04/2012CN102120647B Method for decreasing N2O generated in simultaneous biological denitrification and dephosphorization process
07/04/2012CN102115281B Method for pretreating wastewater generated in production of N-(Phosphonomethyl) iminodiaceticacid (PMIDA)
07/04/2012CN102092906B Treatment and resource-utilizing technology of tert-butyl peroxy benzoate production wastewater
07/04/2012CN102092904B Treatment and resource-utilizing technology of dibenzoyl peroxide production wastewater
07/04/2012CN102092903B Process for treating and recycling di-tertiary-butyl peroxide production waste water
07/04/2012CN102092879B Dye wastewater cyclic utilization device and method based on electrolysis and lamination technologies
07/04/2012CN102092870B Sewage treatment equipment and process for concentration/chemical oxidation regeneration of absorbent
07/04/2012CN102079609B Quick start method for short-range deep denitrification by SBR (Sequencing Batch Reactor) process at low temperature
07/04/2012CN102079596B Method for removing elemental phosphorus in industrial wastewater
07/04/2012CN102070271B Heating disinfection system of water for cultivation of alga
07/04/2012CN102070263B Coking phenol cyanogen sewage treating method
07/04/2012CN102070220B Mulching-film sand filter pond and method for disposing of raw water used for prawn culture
07/04/2012CN102060417B Process and device for treating waste water in CLT acid production
07/04/2012CN102020401B An anti-impact load livestock farm sewage treatment device and treatment method thereof
07/04/2012CN102020398B Purified water processing method and processing device
07/04/2012CN102019169B Regeneration method of activated carbon in organosilicon wastewater treatment
07/04/2012CN102001801B Technology for ultrasonic atomization treatment of overflow water of biochemical environmental-friendly toilet
07/04/2012CN102001794B Method for treating unsaturated polyester resin production wastewater
07/04/2012CN102001764B Method for removing chromium impurities from nickel leach liquor
07/04/2012CN102001763B Production method for desalting seawater by de-hardening preprocessing
07/04/2012CN102001760B Recycling method of wastewater with hydroquinone and alkali metal salt thereof
07/04/2012CN101993165B Method for treating nitrochlorobenzene high-salt organic wastewater
07/04/2012CN101993160B Device and process for removing impurities from aluminum-containing waste water and recycling alkali
07/04/2012CN101979346B Comprehensive treatment method for high-concentration pesticide wastewater
07/04/2012CN101973676B Up-flow anaerobic sludge blanket (UASB) reactor for treating easily-acidulated organic wastewater
07/04/2012CN101973653B Method for treating high-concentration PAM (Polyacrylamide) production wastewater by using composite coagulation method
07/04/2012CN101962245B Circulating flow gallery wetland process for treating high-concentration sewage and operation technique
07/04/2012CN101955301B Method and equipment for treating micropollution raw water based on biological bamboo charcoal contact oxidation method
07/04/2012CN101955275B Wet catalytic oxidation based method for treating liquid container cleaning waste water
07/04/2012CN101949453B Multifunctional high-efficiency water-saving tap
07/04/2012CN101948222B Process for quickly cleaning septic tank
07/04/2012CN101948213B Unpowered urban inland river pollution control system and method
07/04/2012CN101948210B Treating process of navajoite waste water
07/04/2012CN101948193B Preparation method of water for classifying micropowder
07/04/2012CN101944275B Membrane pollution diagnosis and early warning decision making system of hollow fiber device
07/04/2012CN101941777B Method for treating sewage and ecologically restoring water environment of villages and small towns in water network region
07/04/2012CN101935130B Zero-energy consumption and low sludge yield method for denitrifying urban sewage
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