Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
04/2013
04/03/2013CN103007872A SrFe12O19/alpha-Fe two-phase nano composite fiber absorbent for purifying wastewater and preparation method thereof
04/03/2013CN103007871A Application of barium sulfate nano-particle and aggregate of barium sulfate nano-particle in CrO4<2-> absorption
04/03/2013CN103007789A Preparation method of cross-linking oil-water separation film
04/03/2013CN103007781A Filtering membrane for purifying air and water and preparation method of filtering film
04/03/2013CN103007780A Coagulation diatomite membrane as well as preparation method thereof and method for treating eutrophic water body by utilizing same
04/03/2013CN103007768A Composite antisludging agent of reverse osmosis/nanofiltration system
04/03/2013CN103007763A Novel film contactor
04/03/2013CN103007762A Ladder water inflowing rolling membrane element of opening water producing runner
04/03/2013CN103007758A Artesian water on-line recovery immersed ultrafiltration membrane pool
04/03/2013CN103007757A Filter core with three waterways
04/03/2013CN103007727A Method for absorbing and activating carbon dioxide in boiler flue gas and application of method
04/03/2013CN103007563A Integrated double-component distillator
04/03/2013CN103006004A Multifunctional electrolytic cup
04/03/2013CN103004740A Method for removing harmful dinoflagellates in chrysophyte bait cultivating pool
04/03/2013CN103004734A System and method for controlling strawberry diseases by using electrically-functionalized acidic ionized water
04/03/2013CN103004682A Protein skimmer
04/03/2013CN102603027B Method for treating manganese-containing waste water by utilizing modified red mud
04/03/2013CN102557231B Airlift sonochemical reactor
04/03/2013CN102557161B Ship-mounted water bloom suppressing device based on artificial flow making technology
04/03/2013CN102491489B Open type multichannel visual photocatalytic oxidation teaching experimental device
04/03/2013CN102491469B Integrated precipitating and mud collection backflow device
04/03/2013CN102491440B Solar energy jet-refrigeration seawater desalting plant
04/03/2013CN102442715B Pressure delay osmosis/reverse osmosis combined desalination method
04/03/2013CN102432081B Humidity difference driven evaporative freezing sea water desalination method, and device for the same
04/03/2013CN102424487B Electroplating wastewater recycling water quality improvement process
04/03/2013CN102423716B Preparation method and application of particle uniformly-coated heterojunction type photo-catalytic material
04/03/2013CN102410390B Sensing type ozone tap
04/03/2013CN102390877B Treatment method of calcium hydrogen citrate washes and preparation method of citric acid
04/03/2013CN102389779B Filter medium for removing sodium dodecylbenzene sulfonate from water, and preparation method, filter element and water purifier thereof
04/03/2013CN102381811B Method for removing pollutants in water through stepwise catalytic oxidation-biological activated carbon-ultraviolet (UV) combination
04/03/2013CN102381805B Method and device for comprehensively purifying runoff rainwater
04/03/2013CN102358638B Water electrolysis machine and method
04/03/2013CN102352047B Preparation method of chitin balls
04/03/2013CN102351364B Treatment method of wood chip washing waste water
04/03/2013CN102335576B Preparation and application of sulfonitride heavy metal ion chelating polymer microspheres
04/03/2013CN102276095B Method for degrading organic pollutants in water by gradient ozone catalytic oxidation
04/03/2013CN102276007B Method for treating sewage produced during cyclohexanone production by adopting extraction method
04/03/2013CN102267770B Method for removing lead and zinc elements in ferrous chloride acidic waste water
04/03/2013CN102266782B Method for producing nano Fe(O)/CeO2 composite material and application in removing chlorophenol pollutant thereof
04/03/2013CN102247820B Fibrillar heavy metal ion adsorbent as well as preparation method and application thereof
04/03/2013CN102219272B Photoresist remover waste liquid recycling system and method thereof
04/03/2013CN102173467B Detachable uniform water distribution device
04/03/2013CN102167371B Preparation method of modified magnalium binary hydrotalcites and application of modified magnalium binary hydrotalcites in absorbing bisphenol A in water body
04/03/2013CN102153180B Multiple heavy metal synchronous coprecipitation coagulation composition agent and method for treating heavy metal wastewater
04/03/2013CN102145956B Self-made heat bow-shaped shed rapid infiltration system
04/03/2013CN102145233B Sewage filtering device
04/03/2013CN102126807B Method for treating leveling waste liquor
04/03/2013CN102106229B Method for producing original ecological organic vegetables
04/03/2013CN102091534B Positively charged microporous ceramic film and preparation method thereof
04/03/2013CN102068964B Newspaper pulp solid adsorbent and preparation method thereof
04/03/2013CN102060344B Multiple-effect membrane distillation method with high-efficiency inner heat recovering function
04/03/2013CN101913670B Solar sea water desalinating device
04/03/2013CN101898060B Filter medium for removing halogenated nitromethane in drinking water and preparation method thereof
04/03/2013CN101879441B Microsphere TiO2 photocatalyst and preparation method thereof
04/03/2013CN101878760B Drinking water slow-release disinfection tablets and preparation method
04/03/2013CN101843242B Novel sulfate reducing bacteria inhibitor
04/03/2013CN101830532B Acrylic acid wastewater preprocessing process
04/03/2013CN101817621B Semi-denitrification-based wastewater treatment technology
04/03/2013CN101792188B High flow-rate medium pressure resin bed
04/03/2013CN101693186B Dephosphorization and denitrification integrated material prepared based on battering method and preparation method thereof
04/03/2013CN101613131B 净水装置 Water purification devices
04/02/2013US8410182 Mixing device
04/02/2013US8409630 Adding bromine chloride to overbased, aqueous alkali metal sulfamate solution formed from water, sulfamic acid and alkali metal base, wherein pH of sulfamate solution is such that pH of resulting biocidal composition is 7
04/02/2013US8409435 Fluid purification pump control apparatuses and methods
04/02/2013US8409434 Chlorinators
04/02/2013US8409126 Selective cytopheresis devices and related methods thereof
04/02/2013CA2717582C Ammonia recovery device and recovery method
04/02/2013CA2641237C Multi-port chlorine generator
04/02/2013CA2613167C A cartridge for an additive dispensing system
04/02/2013CA2610215C Wastewater treatment system and method
04/02/2013CA2583941C Filter cartridge
04/02/2013CA2513461C Charge-based water filtration systems
04/02/2013CA2493710C Process and apparatus for treating liquid waste material
04/02/2013CA2466169C Solid materials for removing metals and fabrication method
04/01/2013CA2802785A1 Treatment of water to extend half-life of ozone
03/2013
03/28/2013WO2013044168A1 Apparatus and process for treatment of water
03/28/2013WO2013043982A1 High pressure gas system
03/28/2013WO2013043880A1 Water treatment composition containing halogen-releasing compound and fluoropolymer
03/28/2013WO2013043552A1 Method for monitoring and control of a wastewater process stream
03/28/2013WO2013043361A1 Induced-gas flotation cell with horizontal flow
03/28/2013WO2013043242A1 Apparatus for distillation of water and methods for using same
03/28/2013WO2013043053A1 Method and system for direct thermal electricity generation
03/28/2013WO2013043047A1 Device and method for disinfecting a liquid with acoustic waves and uv radiation
03/28/2013WO2013043046A1 Ultrasonic separator for separating particles from a liquid and method separating particles with this device
03/28/2013WO2013043045A2 Measurement and/or sampling device for measuring and/or sampling a liquid, and system and method there for
03/28/2013WO2013042905A2 Apparatus for evaporating and condensing wastewater and system for evaporating and condensing wastewater
03/28/2013WO2013042897A2 Method for selectively separating calcium and magnesium from a solution containing calcium and magnesium, calcium oxalate and magnesium oxalate obtained by the method, and calcium oxide and magnesium oxide obtained from said oxalates
03/28/2013WO2013042813A1 Automatic gold-silver nanoionic water production method and device using running water
03/28/2013WO2013042463A1 Water purification device
03/28/2013WO2013042462A1 Water treatment apparatus
03/28/2013WO2013042432A1 Water treatment device
03/28/2013WO2013042310A1 Water treatment device
03/28/2013WO2013042197A1 Waste water treatment equipment in flue gas desulfurization facility
03/28/2013WO2013042144A1 Apparatus for cleaning floor surfaces
03/28/2013WO2013041918A1 Portable water-treatment plant comprising filtration and ozone-based purification
03/28/2013WO2013041898A1 A process for treating drinking water
03/28/2013WO2013041654A1 Process and composition for the removal of hydrogen sulfide from industrial process fluids
03/28/2013WO2013041633A1 Method for treating an aqueous effluent to abate the dissolved heavy metal and/or radioactive substance content of same
03/28/2013WO2013041607A1 Descaling device for water tank
03/28/2013WO2013041110A1 A method and device for blowing off gaseous contaminants from crude water in the production of drinking water