Patents
Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429)
11/2012
11/14/2012CN102145960B Device and method for denitrifying and dephosphorizing ecological protection multi-level filtration wall in water source area on rural land surface
11/14/2012CN102134138B Solar multi-effect utilization seawater desalting method and device
11/14/2012CN102126814B Combination advanced treatment method for oil extraction wastewater
11/14/2012CN102115289B Device for separating pollutant in garbage leachate
11/14/2012CN102115287B Coking waste water deep treatment zero-emission process
11/14/2012CN102092875B Chemical waste water treatment method in the process of producing 2,6 acid
11/14/2012CN102079608B Double-aerated aerobic bidirectional two-way sludge backflow high-efficiency reactor with two sludge filter areas
11/14/2012CN102079553B Shallow layer flotation machine for industrial wastewater treatment and treatment process thereof
11/14/2012CN102060414B Coked waste water treatment system and adjustment method thereof
11/14/2012CN102060401B Trussed sludge circulation clarifying pool
11/14/2012CN102030445B Four-step method for processing and recycling tin ore floatation wastewater
11/14/2012CN102001791B Urban sewage strengthening treatment method in cold area based on multi-point feed water adjustment
11/14/2012CN101979343B Process for treating landscape water eutrophication
11/14/2012CN101976053B Full-automatic operation and monitoring system of water purifier and use method thereof
11/14/2012CN101921032B Electrolytic deposition-membrane separation combined treatment device for electrolytic zinc rinse wastewater
11/14/2012CN101805101B Aerobic treatment method for high-salt monosodium glutamate wastewater
11/14/2012CN101774720B Treatment method of waste liquid containing butanediol and DMAC (dimethylacetamide) during production of aramid fiber fibrid
11/14/2012CN101767893B Device and method for coupling producing biological oil by utilizing microalgae to deeply treating wastewater
11/14/2012CN101747167B Method for effectively recycling 2,4-dichloro-5-fluoro acetophenone from crystallization mother liquor
11/14/2012CN101746907B Silicon-containing wastewater treatment method
11/14/2012CN101525264B Method for recycling sodium hypochlorite purifying liquid used for purifying acetylene gas
11/14/2012CN101374591B Contaminated inflow treatment with membrane distillation bioreactor
11/13/2012US8308942 Filter system with removable enhancement media
11/13/2012CA2677939C Method and system for removing manganese from waste liquors
11/08/2012WO2012126316A3 Sewage recycling device based on electrolysis and mbr technologies and method thereof
11/08/2012US20120279920 Suspended media membrane biological reactor system and process including multiple biological reactor zones
11/07/2012EP2520379A2 Multi stage waste treatment process
11/07/2012CN202521835U Cold/hot purification type intelligent water boiler
11/07/2012CN202519336U Ammonia washing water circulating system for PCB (Printed Circuit Board) etching line
11/07/2012CN202519137U Combined treatment device of waste incineration field percolate
11/07/2012CN202519136U Garbage leachate treatment system
11/07/2012CN202519135U Sewage treatment and sludge concentration integrated system
11/07/2012CN202519134U Modular device for treating sources of domestic garbage and sewage
11/07/2012CN202519133U Eel roasting industrial sewage treatment system
11/07/2012CN202519132U Water intake and discharge turnover treatment device of rural micropower wetland sewage treatment system
11/07/2012CN202519131U Organic wastewater treatment device of printed circuit board
11/07/2012CN202519130U Photo-catalytic oxidative in-situ repair floating subsurface flow device
11/07/2012CN202519129U System for coprocessing cold-rolled oil-contained wastewater by physical-chemical and bio-chemical methods
11/07/2012CN202519128U Erythromycin thiocyanate wastewater pretreatment equipment
11/07/2012CN202519127U Porous composite pulverized fuel ash filter material precipitation filter reactor
11/07/2012CN202519126U Square aerated biofilter reactor integrating denitrification dephosphorization functions
11/07/2012CN202519125U Synergistic precipitation and biological filter combined reactor
11/07/2012CN202519124U Mixed-frequency complex water purification device
11/07/2012CN202519123U Household sewage three-grade solar environment-friendly water cleaning device
11/07/2012CN202519122U Emergency-integrated water purification station
11/07/2012CN202519121U Device for purifying water of eutrophic river
11/07/2012CN202519120U Floor type intelligent module water purification equipment
11/07/2012CN202519119U Floor-type pumpless water purification equipment
11/07/2012CN202519118U Intelligent module type water purifying device
11/07/2012CN202519117U Pump-free type intelligent module water purifying device
11/07/2012CN202519116U Mobile water treatment system
11/07/2012CN202519115U Nano-catalysis, electrolysis, flocculation and air-floatation device
11/07/2012CN202519114U Combined treatment device for chemical oxygen demand (COD) in polychlorinated biphenyl (PCB) waste water
11/07/2012CN202519113U Equipment for producing fresh water by treating reverse osmosis concentrate
11/07/2012CN202519112U Intelligent on-line monitoring, dosing and drainage control system for cooling circulating water system
11/07/2012CN202519111U Sewage treatment device
11/07/2012CN202519110U Ceramic artware wastewater treatment device
11/07/2012CN202519109U Wastewater treatment device for printed circuit board
11/07/2012CN202519108U Waste water treatment device for printed board processing
11/07/2012CN202519107U Novel multi-way automatic control valve assembly
11/07/2012CN202519106U Filter device of water purifier
11/07/2012CN202519105U Portable emergency pharmaceutical water preparation device
11/07/2012CN202519104U Water treatment device for landscape water body
11/07/2012CN202519103U Energy-conservation and emission-reduction soap-removal device
11/07/2012CN202519102U Drainage control system
11/07/2012CN202519101U Water purifying device of water for hydraulic classification of silicon carbide micropowder
11/07/2012CN202519048U Recycling device of spraying wastewater
11/07/2012CN202516406U Circulating water treatment system of gas drainage pump
11/07/2012CN102770549A Method for accumulation of polyhydroxyalkanoates in biomass with on-line monitoring for feed rate control and process termination
11/07/2012CN102767109A Method of using recycled water of urban sewage to produce corrugating medium
11/07/2012CN102765861A Phenol cyanide wastewater treatment system
11/07/2012CN102765860A Vertical micro power life sewage treatment device
11/07/2012CN102765859A Treatment method for removing arsenic and COD in wastewater in gallium arsenide wafer production treatment simultaneously
11/07/2012CN102765858A System and method for constant water level sequential batch type sewage treatment system with continuous variable volume
11/07/2012CN102765857A Sewage treatment system and application thereof
11/07/2012CN102765856A Short-range nitrification-denitrification dephosphorization and denitrogenation method for reinforced low-carbon/phosphorus-ratio sewage
11/07/2012CN102765855A Coating wastewater processing method and device
11/07/2012CN102765854A Treating process for sewage settled in middle position
11/07/2012CN102765853A Method for treating sewage into recycled water by active organisms
11/07/2012CN102765852A Efficient artificial wetland sewage treatment process
11/07/2012CN102765851A Storage tank and washing tank sewage treatment device
11/07/2012CN102765850A Treatment process for 3,5,6-Trichloropyridin-2-ol sodium and chlorpyrifos production wastewater
11/07/2012CN102765849A Deep treatment method of papermaking wastewater
11/07/2012CN102765848A Treatment process of industrial wastewater from beet sugar industry
11/07/2012CN102765847A Coking wastewater combined biological denitrogenation and reusing method
11/07/2012CN102765846A Intelligent multifunctional cyclic utilization water-treatment device
11/07/2012CN102765845A Treatment device for hot-rolled stainless steel washing water
11/07/2012CN102765844A Method for removing organic pollutants by use of lipid-containing bilayer SiO2 magnetic particles
11/07/2012CN102765843A Harmless and recycling treatment method of secondary zinc oxide powder alkaline-washing and dechlorinating water
11/07/2012CN102765842A Pressure-reduction, alkali-addition and ammonia-distillation system
11/07/2012CN102765841A Method for recovering 3,5,6-Trichloropyridin-2-ol sodium from 3,5,6-Trichloropyridin-2-ol sodium alkaline hydrolysis wastewater
11/07/2012CN102765840A Supersonic sewage treatment instrument
11/07/2012CN102765839A Method for treating wastewater by sodium saccharin acidification and technology thereof
11/07/2012CN102765838A Heavy metal extraction and water purification integrated device
11/07/2012CN102765837A Well drilling waste water flocculent precipitate desliming processing device and method for processing sewage
11/07/2012CN102765836A Seawater circulating cooling system based on forward osmosis moisturizing technique
11/07/2012CN102765835A Closed multistage purified water device and production process
11/07/2012CN102765834A Method for treating industrial nitrogenous waste water through chemical precipitation method
11/07/2012CN102765833A Wastewater zero discharge system of Na-ion exchanger and wastewater treatment process
11/07/2012CN102765832A System for recycling nickel from electroplating wastewater