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)
07/2010
07/28/2010CN101786759A Method for controlling smelly urban canals radically by building rural sceneries and bridges with flowing water beneath
07/28/2010CN101786758A Waste paper pulping and papermaking advanced waste water treatment technique
07/28/2010CN101786757A Dielectric barrier discharge plasma, adsorption and photocatalysis synergy waste water treatment device
07/28/2010CN101786756A Process method for treating hardly-biodegradable organic wastewater
07/28/2010CN101786755A Coal bed gas produced water deep treatment equipment
07/28/2010CN101786754A Zero-emission treatment process for salt-containing wastewater
07/28/2010CN101786753A Advanced waste water treatment method
07/28/2010CN101786752A Micro-electrolysis device capable producing active oxygen
07/28/2010CN101786751A Emergency repair process for treating pollution of natural water body emulsified oil
07/28/2010CN101786750A Process flow for treating refuse leachate by microwave method
07/28/2010CN101786749A Treatment method of photocuring monomer resin wastewater
07/28/2010CN101786748A Efficient inactivation and energy-saving ship ballast water process method and system
07/28/2010CN101786747A Method for treating high-concentration phosphorus-containing wastewater
07/28/2010CN101786746A Process for treating aluminum substrate acid cleaning and alkaline cleaning waste liquid
07/28/2010CN101786745A Emergent large and medium-sized natural water body algae pollution remediation technique capable of resisting light stormy waves
07/28/2010CN101786744A Method for directly utilizing waste liquor containing phosphoric acid and phosphorous acid
07/28/2010CN101786743A Method for air-water combined cycle purification and resource utilization
07/28/2010CN101786742A Treatment method of methacrylate or acrylate industrial wastewater
07/28/2010CN101786741A Method for defluorinating acid waste water with high fluorine
07/28/2010CN101786740A Treatment method for oily waste water in production of organic silicon monomer
07/28/2010CN101786739A Oil extraction wastewater treatment method used for oilfield reinjection
07/28/2010CN101786738A Ecological optimization production process for all-seawater industry
07/28/2010CN101786737A Method for treating malachite green wastewater and recycling resources
07/28/2010CN101786736A Rotary tubular dynamic membrane bioreactor adopting nonwovens and sewage treatment method thereof
07/28/2010CN101786735A Film treatment method of glyphosate mother liquor
07/28/2010CN101786734A Process for treating acid waste water containing copper, nickel and the like by membrane method
07/28/2010CN101786707A Method for preparing water purifying agent poly-ferric sulfate chloride by utilizing iron-containing wastewater in potassium fluotitanate production
07/28/2010CN101786094A Combined treatment process for household garbage and sewage
07/28/2010CN101348314B Method for cooperated industrial wastewater pretreatment by catalytic ion reduction and anaerobic hydrolytic acidification
07/28/2010CN101333051B Process for treating and recovering polyvinyl chloride centrifugation mother liquid by suspension method
07/28/2010CN101333047B Advanced waste treatment process in process of production of long chain dibasic acid by fermentation method
07/28/2010CN101298351B Precipitation and filtration integrated water treatment equipment
07/28/2010CN101254959B Bentonite sewage water treating method
07/28/2010CN101196011B Zero discharge and recycling method and device for sanitary sewage process
07/28/2010CN101081715B Method for treating residual liquid after mother liquor distillation methanol recovery during production of sodium sulphoxylate by sodium formate process
07/27/2010US7763171 Reverse osmosis filtration system storage tanks
07/22/2010WO2010083149A2 Gravity feed water treatment system
07/22/2010CA2749191A1 Gravity feed water treatment system
07/21/2010EP2208709A2 Mobile desalination plants and methods for producing desalinated water
07/21/2010CN201532030U Solar energy water heater with sterilization and descaling function
07/21/2010CN201532003U Heat pump type electric water boiler with purification and sterilization functions
07/21/2010CN201530771U Rubbish leachate integrated treatment device
07/21/2010CN201530770U Deepwater combination biological treatment facility
07/21/2010CN201530769U SBR device capable of realizing single-cycle multi-step A20 subcycle
07/21/2010CN201530768U Water production device
07/21/2010CN201530767U Recycling system of recycled water after strong chrominance waste water treatment
07/21/2010CN201530766U Hyperfiltration type pure water machine without wastewater
07/21/2010CN201530765U Desulphurization recirculated water purification treatment apparatus
07/21/2010CN201530764U Water-saving type integral double-film water purifying device
07/21/2010CN201530763U Intelligent temperature control type oil soil and oil sand processing apparatus
07/21/2010CN201530762U Environment-friendly septic tank sewage treatment recycling vehicle
07/21/2010CN201530761U Mobile small water purifier
07/21/2010CN201530760U Faucet type water purifier
07/21/2010CN201530759U Sewage treating system using trimming, vibration and milling working procedures
07/21/2010CN201530758U Industrial effluent advanced follow-up treatment and recycle system
07/21/2010CN201530757U Processing apparatus for paper base friction material production sewage
07/21/2010CN1803673B On water seawater desalination system with natural resources(cold energy and heat energy) being fully utilized
07/21/2010CN101781909A Pipeline circulating municipal sewage treatment method
07/21/2010CN101781842A Cleaning production process in dyeing and printing industry
07/21/2010CN101781567A Method for producing soil amendment by using papermaking black liquor wastewater and waste paper sludge
07/21/2010CN101781198A Technology for recovering mother solution of gallic acid
07/21/2010CN101781068A Method for treating crude wastewater of gallic acid
07/21/2010CN101781067A Method for treating coking wastewater
07/21/2010CN101781066A Caffeine production wastewater treatment method
07/21/2010CN101781065A Technique for cultivating bulrush and removing total nitrogen in artificial marsh of landfill leachate
07/21/2010CN101781064A Process for advanced treatment of gas wastewater
07/21/2010CN101781063A Enhanced phosphorous undercurrent removing artificial wetland
07/21/2010CN101781062A Blocking-proofing fast infiltration system
07/21/2010CN101781061A Method for plant arrangement of vertical flow and horizontal subsurface flow combined artificial wetland
07/21/2010CN101781060A Composite artificial marsh sewage treatment system
07/21/2010CN101781059A Novel anaerobic membrane bioreactor
07/21/2010CN101781058A AO-MBR sewage treatment process and device
07/21/2010CN101781057A Treatment method of waste papermaking water
07/21/2010CN101781056A Treatment method of waste papermaking water
07/21/2010CN101781055A Treatment method of waste papermaking water
07/21/2010CN101781054A Method for utilizing three-dimensional electrode coagulation combination to carry out advanced treatment on coking wastewater
07/21/2010CN101781053A Method and device for killing algae and bacteria in pipeline transportation of marine ballast water
07/21/2010CN101781052A Closed ultrasonic-vaporization high-voltage corona oxidation method and equipment thereof
07/21/2010CN101781051A Aeration and low frequency ultrasonic wave reinforced film coagulation reaction separating device and method for producing drinking water thereby
07/21/2010CN101781050A Method for treating low-concentration chromate waste water
07/21/2010CN101781049A System and method for treating water recycled from straw pulp papermaking wastewater
07/21/2010CN101781048A Low ammonia nitrogen waste water treatment and recycling method
07/21/2010CN101781047A Preparation method of active water
07/21/2010CN101781046A Ship ballast water processing method combining ozone and photocatalysis
07/21/2010CN101781045A Recycling and treating method for mine water containing suspended substances
07/21/2010CN101781044A Ultraviolet light catalyzing and strong oxidizing treatment method of ship ballast water
07/21/2010CN101781043A Novel ballast water treatment method and device
07/21/2010CN101781042A Method for treating antimony-containing industrial waste water through iron electrode-electroflocculation process
07/21/2010CN101781041A Method for desalting bitter by electromembrane method and equipment thereof
07/21/2010CN101781040A Treatment device of oily sewage of oil field
07/21/2010CN101781039A Technology for deeply processing coking wastewater through combining catalytic oxidation method and membrane separation technique
07/21/2010CN101781038A Phenol and cyanogen waste water physical chemical method control process and equipment
07/21/2010CN101781037A Thickened oil sewage flocculation silicon-removing processing method
07/21/2010CN101781036A Equipment and method for treating nondegradable wastewater by utilizing catalytic oxidation of ozone
07/21/2010CN101781035A Method for recovering terramycin from terramycin production wastewater.
07/21/2010CN101781034A Water treatment agent and preparation method and application thereof
07/21/2010CN101781033A Method for treating glycine wastewater by catalytic oxidation of activated carbon
07/21/2010CN101781032A Coal slurry purifier
07/21/2010CN101781031A Purification treatment method of reclaimed papermaking water
07/21/2010CN101780972A Method for preparing basic bluestone by utilizing PCB ammonium persulfate-H2SO4 micro-etched waste liquid
1 ... 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 ... 415