Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
12/2009
12/16/2009CN101602553A Industrial wastewater treatment method and stirring-granulating tank thereof
12/16/2009CN101602552A Wastewater/sewage purification device and purification process
12/16/2009CN101602551A Technique and device for integrated two-stage strengthened air-flotation separation of dense algae slurry
12/16/2009CN101602537A Processing method employing ozone for catalytic oxidation of sulphite water solution
12/16/2009CN101602536A Method for preparing compound oxidant for treating high-concentration wastewater through catalytic oxidation
12/16/2009CN101602535A Phosphor recovery crystallization reactor and phosphor recovery method
12/16/2009CN101602534A Method for removing algae and microcystin in raw water of waterworks
12/16/2009CN101602533A Method for controlling cyanobacteria bloom
12/16/2009CN101602532A Method and device thereof for secondarily diluting and feeding coagulant
12/16/2009CN101602531A Electrochemical method of oil removal of wastewater produced in oil extraction by polymer flooding displacement
12/16/2009CN101602530A Spiral channel column anode
12/16/2009CN101602529A Method and system for demulsification of aluminum plate hot rolling emulsion
12/16/2009CN101602528A Oil-water separation device for treating oil-containing wastewater
12/16/2009CN101602527A High-efficiency plant wastewater treating agent and method for treating wastewater by same
12/16/2009CN101602526A Equipment and method for processing red mud in alumina factory
12/16/2009CN101602517A Treating agent for molten polyaluminium ferric chloride and preparation method thereof
12/16/2009CN101602008A Nano-material composite visible light catalyst and preparation method thereof
12/16/2009CN101602007A Magnetic photocatalytic material of visible light response and preparation thereof
12/16/2009CN101602002A Method for preparing high efficiency photocatalyst of nickel oxide supported tantalate
12/16/2009CN101602001A Method for preparing visible light photocatalyst for bismuth-nickel-zinc complex heterogenous junction
12/16/2009CN101601998A Method for preparing catalyst for treating high-concentration organic wastewater through catalytic oxidation
12/16/2009CN101601994A Preparation method of rare earth modified carbon nano tube - TiO2 photochemical catalyst
12/16/2009CN101601992A Preparation and use method of CTAB modified absorbing material
12/16/2009CN101601991A Biosorbent removing lead ions in wastewater and preparation, application and regeneration methods thereof
12/16/2009CN101601990A Preparation of effective environment friendly water body dephosphorizing material
12/16/2009CN101601989A Liquid adsorbent and method for controlling arsenic pollution of lake water
12/16/2009CN101601948A Integrative water purifying device
12/16/2009CN101601409A Sterilization and alga-killing remover for circulating water
12/16/2009CN100569679C Method for wastewater treatment and circulation recover zero discharge in lipoic acid preparation
12/16/2009CN100569677C Method for recycling ion liquid from filature wastewater
12/16/2009CN100569676C Treatment technique of garbage filter liquor
12/16/2009CN100569675C Process for treating deposition vanadium mother liquid
12/16/2009CN100569674C Processing method of wastewater in the sebacic acid production and special extractor thereof
12/16/2009CN100569673C Catalysis wet-type oxidation degradation method for dyestuff contaminant
12/16/2009CN100569672C Relay type river purifying method
12/16/2009CN100569671C Process for treating sewage of oil field
12/16/2009CN100569664C Recoverying method for sulphuric acid in high concentration acid-containg waste liquid of battery factory
12/16/2009CN100569663C Oil-absorbed pad of peat and production technique
12/16/2009CN100569356C Printing and dyeing wastewater advanced treatment and recycling method by using resin
12/15/2009US7632512 Use of polynucleotides encoding small acid-soluble spore protein for inhibiting bacterial cell growth and/or treating bacterial infections
12/15/2009US7632474 Device, cartridge and method for solving powder in liquid, when manufacturing a dialysis fluid
12/15/2009US7632416 hydroclone may be operated such that a vortex of flowing fluid is formed between the chamber wall and the filter with the filter being located in the center of the vortex, with this arrangement, filter acts as a cross-flow filter; used to filter water and other fluids in a wide variety of applications
12/15/2009US7632415 Apparatus and methods for water treatment
12/15/2009US7632414 Process for suppressing the growth of green algae in aqueous systems
12/15/2009US7632412 controlling a cooling water tower, prevent mineral/scale buildup by measuring conductivity and pH of evaporative cooling water stream; descaling
12/15/2009US7632411 Method for detecting filter clogging by using pressure information, apparatus for monitoring filter clogging and bed-side system
12/15/2009US7632410 Universal water purification system
12/15/2009US7632406 Smart membranes for nitrate removal, water purification, and selective ion transportation
12/15/2009US7632404 Barrier with a seated ion exchange bead and method
12/15/2009US7632403 Liquid filtration system
12/15/2009US7632402 Control system
12/15/2009US7632399 Fluid treatment system and method
12/15/2009US7632397 Integrated portable water purifier
12/15/2009CA2512289C Stabilization of waste material
12/15/2009CA2477030C Fluid treatment device
12/15/2009CA2474858C Microporous filter media, filtration systems containing same, and methods of making and using
12/15/2009CA2443390C Methods of treating subterranean zones penetrated by well bores
12/15/2009CA2405300C Ozonated solutions of tetrasilver tetroxide
12/15/2009CA2346611C Timing of spa water treatment
12/12/2009CA2635792A1 Produced water treatment system
12/10/2009WO2009148959A2 Membranes with functionalized carbon nanotube pores for selective transport
12/10/2009WO2009148867A2 Contaminant adsorption filtration media, elements, systems and methods employing wire or other latice support
12/10/2009WO2009148324A1 Method and device for desalination of water
12/10/2009WO2009148292A2 Surface-modified biomass, preparation method thereof, and method for recovering valuable metals using the same
12/10/2009WO2009148088A1 Hollow fiber membrane module with covered membrane outer periphery
12/10/2009WO2009148085A1 Pump device and water producing device using the same
12/10/2009WO2009148031A1 Membrane filtration equipment management system and membrane filtration equipment for use therein, and membrane filtration equipment management method
12/10/2009WO2009147666A1 Apparatus and method for treatment of wastewater
12/10/2009WO2009146854A1 Process for the treatment of the aqueous stream coming from the fischer-tropsch reaction by means of ion exchange resins
12/10/2009WO2009146591A1 Recovering treatment method for the waste acid produced in the hydrometallurgical process of silicon
12/10/2009WO2009146526A1 Recovery of multiple compounds and recyclable water from thin stillage
12/10/2009WO2009146504A1 Heat treatment and disinfection system for fluids
12/10/2009WO2009129550A3 A process for obtaining water from saline water
12/10/2009WO2009129233A3 Water reclamation system and method
12/10/2009WO2009127870A3 Wastewater treatment apparatus and method
12/10/2009WO2009114708A3 Desalination system and process
12/10/2009WO2009114206A3 Method to remove algae from eutrophic water
12/10/2009WO2009111722A3 Polymeric delivery vehicle for nanoparticles
12/10/2009WO2009098599A3 Beverage manufacture, processing, packaging and dispensing using electrochemically activated water
12/10/2009US20090306451 Process for the treatment of phosphogypsum and in particular of phosphogypsum leachates
12/10/2009US20090305933 Low interfacial tension surfactants for petroleum applications
12/10/2009US20090301973 Water reaction tank
12/10/2009US20090301971 Treated bottom ash medium and method of arsenic removal from drinking water
12/10/2009US20090301970 Ethanol plant retrofit with vapour separation membranes
12/10/2009US20090301966 Method and device for purifying wastewater
12/10/2009US20090301952 Device for fixing a perforated aeration membrane
12/10/2009US20090301948 Method and apparatus for treating wastewater
12/10/2009US20090301882 Iontophoresis device
12/10/2009DE102009022996A1 Verfahren und Vorrichtung zur Aufbereitung von Schwallwasser aus einem Badebecken Method and apparatus for the preparation of flood water from a swimming pool
12/10/2009DE102008026673A1 Solar seawater desalination system comprises an evaporation chamber with a surface absorbing sun radiation and/or made of a material absorbing the sun radiation, a speed-controlled ventilator, through which the air is supplied, and a pump
12/10/2009DE102006048456B4 Imprägnierer-Einlass Impregnator inlet
12/10/2009DE102004027574B4 Verfahren und Vorrichtung zur Aufbereitung von Badewasser Method and apparatus for treatment of swimming pool water
12/10/2009CA2726329A1 Recovery of multiple compounds and recyclable water from thin stillage
12/09/2009EP2130802A1 Method for treatment of black liquor containing no sulfide
12/09/2009EP2130801A1 Equipment for the production of reduced water
12/09/2009EP2130800A1 Method for treating alkaline rinse water
12/09/2009EP2130799A1 A replaceable cartridge type filter for filtering systems and a filtering system incorporating the filter.
12/09/2009EP2130794A1 Pure chlorine dioxide solution, and gel-like composition and foamable composition each comprising the same
12/09/2009EP2130436A1 Method of controlling zoological and aquatic plant growth
12/09/2009EP2129718A2 Compositions and methods to control the growth of microorganisms in aqueous systems