Patents
Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429)
09/2012
09/19/2012CN101798156B Process for three-cycle A2/O2 intermittent aeration and biochemical nitrogen-phosphorus removing treatment
09/18/2012US8269028 Method and apparatus for refining biodiesel
09/14/2012CA2771997A1 Integrated sewage treatment plant
09/13/2012WO2012121675A1 A regenerative adsorption distillation system
09/13/2012WO2012120116A1 Plumbing fixture
09/13/2012WO2012119710A1 Water conditioner for preventing or reducing mineral precipitation
09/13/2012WO2012119344A1 Deep purification method for removing trace thallium in water by polymer-based nanosized manganese oxide
09/13/2012WO2012119266A1 Method of removing recalcitrant organic pollutant
09/13/2012US20120228218 Process for workup of nox-containing offgases from wastewater streams of nitration plants
09/13/2012US20120228204 Waste water treatment equipment
09/13/2012DE102011013318A1 Verfahren zur Regeneration von mit CO2 beladenen aminhaltigen Waschlösungen bei der Sauergaswäsche Process for regenerating loaded with CO2 amine-containing scrubbing solutions for acid gas scrubbing
09/13/2012DE102011001135A1 Removing vinyl chloride from water, comprises adding oxygen or an agent exhibiting oxidizing activity, into water to be purified, and passing the water through a biofilm that contains vinyl chloride degrading microorganisms
09/12/2012EP2497749A1 Plumbing fixture
09/12/2012CN202433992U Waste water collection device of bagged water making and selling machine
09/12/2012CN202430680U Arrangement of ecological purification project aiming at terrains with high degree of fragmentation
09/12/2012CN202430296U Seawater-electrolyzing chlorine-preparing device for wind-power seawater desalinizing system
09/12/2012CN202430104U Mixed excrement treatment device for livestock farms
09/12/2012CN202430099U Closed cycle system for industrial cooling water
09/12/2012CN202430098U Stereoscopic domestic sewage purifier
09/12/2012CN202430097U Automatic adjustment system for efficient removal of organic pollutants
09/12/2012CN202430096U Sludge digestive juice two-level biological denitrification device
09/12/2012CN202430095U System for regenerating and recycling sewage of residential area
09/12/2012CN202430094U Ecological purification system for polluted drinking water source raw water
09/12/2012CN202430093U Energy-recycled denitrification and decarbonization coupled sewage treatment equipment
09/12/2012CN202430092U Device for OAAO+MBR (membrane biological reactor) denitrification and dephosphorization sewage treatment process
09/12/2012CN202430091U De-nitrification and phosphorous removal sewage treatment process combining withacetoacetyl-o-anisidine (AAOA) with membrane biological reactor (MBR)
09/12/2012CN202430090U Sewage treatment system for rubber plant
09/12/2012CN202430089U Sustainable processing system for waste water for raising pig
09/12/2012CN202430088U High-concentration sewage treatment system for coal direct liquefaction
09/12/2012CN202430087U Integral buried rainwater purifying device
09/12/2012CN202430086U Device for synthesizing and treating landfill leachate
09/12/2012CN202430085U Sewage treatment system equipment for sludge quantification
09/12/2012CN202430084U Flowing water purification car
09/12/2012CN202430083U Washing filter
09/12/2012CN202430082U Water making machine
09/12/2012CN202430081U Phenol water disposal device in gas station
09/12/2012CN202430080U Treatment device for mixed feces in livestock farm
09/12/2012CN202430079U Semi-automatic oil-water separator
09/12/2012CN202430078U Household nutritive water dispenser
09/12/2012CN202430077U Deep water treatment system for reducing COD (chemical oxygen demand) in waste water and improving B/C ratio
09/12/2012CN202430076U High-frequency impulse full-automatic treatment device for petroleum drilling sewage
09/12/2012CN202430075U High-efficiency ballast water treatment device for ship
09/12/2012CN202430074U Water treatment device
09/12/2012CN202430073U Wastewater and waste slurry classification treatment and cyclic utilization system for drilling well site
09/12/2012CN202430072U Rainwater collection and utilization system
09/12/2012CN202430071U Device for desulfurizing and neutralizing caustic sludge of liquefied gas
09/12/2012CN202430070U Heavy metal wastewater treatment and recycling equipment using two-membrane process
09/12/2012CN202430069U Device for collecting tableware in dining room and performing oil-water reside field separation management
09/12/2012CN202430068U Dual water supply system capable of adjusting water quality
09/12/2012CN202430067U Oil separation tank for oil-water separation
09/12/2012CN202430066U Intensive sewage depth treatment combined pool
09/12/2012CN202430065U Manual portable ultrafiltration water purifier
09/12/2012CN202430064U Device free of dismounting for cleaning and capable of continuously separating oil, water and slag
09/12/2012CN102666402A Process for the disposal of wastes, particularly of sludges deriving from waste water depuration
09/12/2012CN102666395A Process for the purification of an aqueous stream coming from the Fischer-Tropsch reaction
09/12/2012CN102661602A Process capable of realizing zero discharge of wastewater of industrial boiler
09/12/2012CN102660447A Comprehensive treatment and resource recycling method for wine brewing wastes
09/12/2012CN102659292A Composite purification regulating and controlling system for water body in cultivation pond
09/12/2012CN102659291A Nano-filtration and reverse osmosis concentrated solution reduction treatment system and method
09/12/2012CN102659290A Method for advanced treatment of high-concentration chemi-mechanical pulp effluent by catalytic oxidation
09/12/2012CN102659289A Dispersed sewage treatment device
09/12/2012CN102659288A Low-carbon-source sewage treatment system for reinforcing denitrification and dephosphorization functions and method
09/12/2012CN102659287A Combination method of coal chemical industry wastewater treatment
09/12/2012CN102659286A Sludge reduction method of domestic sewage treatment process
09/12/2012CN102659285A Integrated white wine production waste water treatment device
09/12/2012CN102659284A Regenerated papermaking wastewater treatment system and process
09/12/2012CN102659283A Process for treating and recovering dye industrial wastewater
09/12/2012CN102659282A Synchronous denitrification and dephosphorization sewage treatment device for immobilized microorganism CASS (cyclic activated sludge system)
09/12/2012CN102659281A Treatment method of liquor production wastewater
09/12/2012CN102659280A Effective printing and dyeing sewage treatment method
09/12/2012CN102659279A Sewage treatment system for constructed wetland and application
09/12/2012CN102659278A Industrial wastewater treatment method during diosgenin production process
09/12/2012CN102659277A Ammonium fluoride wastewater treatment technique
09/12/2012CN102659276A Method for comprehensively treating cyanided cadmium plating waste solution
09/12/2012CN102659275A Method and device for keeping drinking water in water storage tank fresh
09/12/2012CN102659274A Recycling harmless treatment method of stainless steel pickling waste water
09/12/2012CN102659273A Novel glass edging wastewater collection and reuse system
09/12/2012CN102659272A Novel membrane-process sea water desalination and fresh water and salt preparation system and technique
09/12/2012CN102659271A Method for treating cooling water in generators of 600 MW and above
09/12/2012CN102659270A Method for treating ultra-filtration water of garbage leachate
09/12/2012CN102659269A Efficient and stable coking wastewater advanced treatment process and treatment system
09/12/2012CN102659268A Novel air-floatation water purifying equipment
09/12/2012CN102659267A Removing method of PVA (polyvinyl acetate) in desizing wastewater and device
09/12/2012CN102659266A Feedwater treatment and disinfection process by converting multipoint free chlorine into chloramine
09/12/2012CN102659265A Method for recovering valuable constituents in cyanide-containing waste water of gold mines
09/12/2012CN102659264A Ion exchange pretreatment method of softened/demineralized water
09/12/2012CN102659263A Mechanical waste paint treatment device
09/12/2012CN102659262A Method for improving biodegradability of ultra-filtered output water of refuse landfill percolates
09/12/2012CN102659261A Oily wastewater and sludge resource treatment integrated skid-mounted device
09/12/2012CN102659260A Advanced treatment method for effluent of vinasse wastewater or starchiness raw material biochemical engineering wastewater subjected to biochemical treatment
09/12/2012CN102659259A Acid-cleaning wastewater treatment method for correcting and regulating pH value
09/12/2012CN102659258A Treatment method of kitchen slops and treatment device
09/12/2012CN102659257A Technology for treating white gourd juice wastewater and preparing ethanol by fermentation
09/12/2012CN102659256A Rural household reverse osmosis quality-based water supply water purifier
09/12/2012CN102659195A Processing method for chemical production wastewater
09/12/2012CN102219318B Apparatus and method of independent wind power driven seawater desalination
09/12/2012CN102190388B Plasma sewage disinfection machine
09/12/2012CN102139985B Cyonophyta tubifex purification device and purification method thereof
09/12/2012CN102101736B Sewage treatment system based on artificially intensified ecological filtering bed and application of sewage treatment system
09/12/2012CN102010094B Method for treating high-calcium and high-salt industrial wastewater