Patents
Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429)
09/2012
09/12/2012CN101921042B Alternate combined wetland system and method for efficiently removing nitrogen and phosphorus in urban wastewater
09/12/2012CN101898844B Method for treating salt-containing sewage
09/12/2012CN101423311B Energy-saving method for preventing non-condensable gas from evaporating for alcohol ketone acid wastewater
09/06/2012US20120223022 Contaminant removal from waters using rare earths
09/06/2012US20120223012 Waste sludge digestion process by sequential intermittent ozone dosing
09/06/2012DE102011012805A1 Aufbereitung von Rohsolen aus Entsalzungsanlagen Treatment of Rohsolen from desalination plants
09/06/2012DE102011012775A1 Treating pool, preferably swimming pool containing bath water, comprises reducing chlorides and chlorates in bath water by electrolytic treatment of circulating bath water and supplying chlorine as chlorine base material for chlorination
09/05/2012CN202416473U Movable water purifying and recycling device for water-deficient area
09/05/2012CN202416262U Sand filtering dam
09/05/2012CN202415330U Electronic energy-conservation water-purification direct drinking machine
09/05/2012CN202415329U Wastewater treatment coupling system of anaerobic-aerobic membrane bioreactor
09/05/2012CN202415328U Dyeing and finishing sewage treatment system used for textile process
09/05/2012CN202415327U High temperature and medium temperature anaerobic processing system of cassava alcohol waste water
09/05/2012CN202415326U Oil-contained sewage processing device
09/05/2012CN202415325U Synthetic rubber sewage treatment device
09/05/2012CN202415324U Biological film internal recycling reactor for moving bed
09/05/2012CN202415323U Highway runoff pollution comprehensive treatment device for water resource protection area
09/05/2012CN202415322U Bioaugmentation water treatment system for particles large in specific surface area
09/05/2012CN202415321U Heavy metal wastewater advanced treatment and reusing device
09/05/2012CN202415320U Novel ammonia nitrogen processor
09/05/2012CN202415319U System for removing carbon and nitrogen based on moving bed biofilm reactor
09/05/2012CN202415318U Multifunctional portable self-priming ozone water production machine
09/05/2012CN202415317U Integral deep coal mine water treatment system
09/05/2012CN202415316U Device for recycling waste pickling liquor
09/05/2012CN202415315U Device for treating ammonia nitrogen waste water, recovering ammonia and preparing ammonium sulfate
09/05/2012CN202415314U Integrated bathing wastewater regenerating and recycling device
09/05/2012CN202415313U Improved low-scale treating device
09/05/2012CN202415312U Melamine mother liquor separating and recovering treatment system
09/05/2012CN202415311U Membrane concentrated liquor treatment system for landfill leachate
09/05/2012CN202415310U Sewage treatment device
09/05/2012CN202415309U Liquefied natural gas cold energy-driven seawater desalting device with dual functions of vaporizing and freezing
09/05/2012CN202415308U High phosphorus wastewater treatment system
09/05/2012CN202415307U Condensate water processing system for coal chemical industry
09/05/2012CN202415306U Device for preparing water for injection by utilizing reverse osmosis and ultrafiltration combined membrane method
09/05/2012CN202415305U Pure water filtering device applied to ultrasonic cleaning machine
09/05/2012CN202415304U Wastewater treatment device for electroplating concentration area
09/05/2012CN202415303U Light/ozone-electricity-adsorption reaction device for extracting copper by degrading browned waste solution
09/05/2012CN202415302U Cyanide-containing waste water degradation treatment system
09/05/2012CN202415301U Printing and dyeing wastewater treatment system
09/05/2012CN202415300U High speed pretreatment water treatment device
09/05/2012CN202415299U Efficient alkalinity-reducing water treatment apparatus
09/05/2012CN202415298U System capable of purifying muddy water circularly
09/05/2012CN202415297U Treatment equipment for waste liquor generated during online measuring COD (chemical oxygen demand) by potassium dichromate method
09/05/2012CN202415296U Vehicle-mounted full-automatic field water purifying all-in-one machine
09/05/2012CN202415295U High-efficiency integrated water purifier
09/05/2012CN202415294U System for treating organic wastewater by utilizing photocatalyst with active carbon as carrier
09/05/2012CN202415293U Internally and externally enameled integrated water feeder for water feeding and filtering
09/05/2012CN202415292U Chemical reaction device for electroplating waste water treatment
09/05/2012CN202415291U Air floatation device for sewage treatment
09/05/2012CN202415290U Emergency treatment system for raw water polluted by antimony
09/05/2012CN202415289U Methane condensed water processing system for coal chemical industry
09/05/2012CN202415288U Automatic water purifying and feeding station
09/05/2012CN202415287U Quality adjusting device of water produced by desalination of seawater
09/05/2012CN202415286U Multi-media water purifier with dimethicone crystal purification rod
09/05/2012CN202415285U Integrated double-core central water purification machine
09/05/2012CN202415284U Water purifier
09/05/2012CN202415283U Circulating water integrated treatment device
09/05/2012CN202415282U Unpowered oil-water separation filtering basin
09/05/2012CN202415281U Mining manual drinking fountain
09/05/2012CN202415280U Device for recovering and treating reclaimed water
09/05/2012CN202415279U Fluorine removing device and fluorine removing system for high fluoride water
09/05/2012CN202415278U Water device in laboratory
09/05/2012CN202415277U Device for adjusting balance of circulating water
09/05/2012CN202415276U Circulating water saving device
09/05/2012CN202415275U Household reverse osmosis water purifier without concentrated water discharge
09/05/2012CN202415274U Drinking water treatment device for accidents
09/05/2012CN202415273U Reclaimed water recycling system used in textile process
09/05/2012CN202415272U Sewage scum and sludge treatment device
09/05/2012CN202415260U Novel static-bed hybrid biological reaction system
09/05/2012CN202410470U Secondary dust removal system shared by stainless steel smelting and plain steel smelting
09/05/2012CN102656122A Enhanced high water recovery membrane process
09/05/2012CN102654205A Multipath control valve, water treatment device, water treatment system and operation method
09/05/2012CN102653437A Method for treating yellow sludge obtained in neutralization of steel pickling waste water lime
09/05/2012CN102653436A Sewage reuse treatment system and process
09/05/2012CN102653435A Membrane bioreactor and microorganism fuel battery pack combination system
09/05/2012CN102653434A Improved oxidation ditch technique of coupled return sludge preconcentration system
09/05/2012CN102653433A Processing method for process waste water from preparation of silicon wafer
09/05/2012CN102653432A Novel filter bed packing testing device
09/05/2012CN102653431A Chloroacetic acid process glycine wastewater treatment method
09/05/2012CN102653430A Fresh water filter device for marine oil drilling platform
09/05/2012CN102653429A Portable water purifier for mine and water purification process of portable water purifier
09/05/2012CN102653428A Pretreatment method for separating impurities from water
09/05/2012CN102653427A Combined automatic backwashing water purifying plant
09/05/2012CN102653426A Demineralized water device of six-tower fluidized bed
09/05/2012CN102652563A Deep-seawater containing health-care drinking liquid and preparation method thereof
09/05/2012CN102352007B Method for preparing amino aryl sulfonic acid series high-molecular dispersant utilizing organic component in waste water from CLT acid production
09/05/2012CN102295393B Treatment process for production wastewater of DSD acid
09/05/2012CN102295379B Method for treating desulfurization waste liquid of wet oxidation method
09/05/2012CN102277316B Bacillus subtilis and application thereof in treating liquid waste of dairy cattle farm
09/05/2012CN102276106B Livestock and poultry manure wastewater processing method
09/05/2012CN102260012B Riverbank-type tail water treatment system
09/05/2012CN102259993B Water treatment method utilizing complex-ferrous-activated persulfate oxidation
09/05/2012CN102249498B Biochemical treatment method for waste water from small and medium-sized starch factories
09/05/2012CN102249461B Supercritical water oxidation treatment system for high-salt high-chlorine organic wastewater
09/05/2012CN102225827B Treatment method for wastewater from straw pulp papermaking intermediate section
09/05/2012CN102225815B New method for removing volatile phenol from wastewater of pulping and papermaking with boiler fly ashes
09/05/2012CN102161551B Optimal control method of pre-denitrification sewage treatment process
09/05/2012CN102146694B Novel backwashing water intake system for water purification building
09/05/2012CN102134147B Modifying method for seasonally enhancing denitrification and dephosphorization by A2O process
09/05/2012CN102126801B Process and equipment for treating waste water containing copper, nickel, zinc and other heavy metal ions