Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
12/2002
12/25/2002CN1386745A Process for extracting thallus from waste liquid of gourmet powder
12/25/2002CN1386712A Water strainer without power source
12/25/2002CN1386711A Corona-type ion rod
12/25/2002CN1097032C Fresh water collecting apparatus by means of temp. difference
12/24/2002WO2004013051A1 System and method for removing contaminants from liquid
12/24/2002US6497822 Chemical feeder
12/24/2002US6497794 Desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate
12/19/2002WO2002101372A2 System for optimized control of multiple oxidizer feedstreams
12/19/2002WO2002101161A1 Vessels and covers
12/19/2002WO2002101115A1 Preventing a membrane from blocking up during the treatment of waste water during phosphatization
12/19/2002WO2002100944A1 Amphoteric water-soluble polymer dispersion and use thereof
12/19/2002WO2002100782A1 A water purifying system capable of preventing environment hormone, purifying and sterilizing water in an apartment house watertank or a common watertank
12/19/2002WO2002100781A1 Plant and method for purification of water coming from a seulphuration kerosene plant
12/19/2002WO2002100780A1 Portable water purifier
12/19/2002WO2002100779A1 Method for cleaning tar-bearing waste water and apparatus for performing said method
12/19/2002WO2002100775A2 Carbon nanotube coatings as chemical absorbers
12/19/2002WO2002100766A1 Beverage line purifier
12/19/2002WO2002100540A1 All-metal oxidation catalyst
12/19/2002WO2002100534A1 Method for the degradation of biological and/or organic substances
12/19/2002WO2002100510A1 Improvements relating to degassing liquids
12/19/2002WO2002100509A1 A method for perchlorate removal from ground water
12/19/2002WO2002100504A2 Distiller for liquids, liquids distillation method and equipment for treating sewage, which equipment includes said distiller
12/19/2002WO2002100501A2 De-sludging device and method for de-sludging a liquid
12/19/2002WO2002100174A1 Liquid deodorant killing microorganism and method of microorganism-killing deodorization
12/19/2002WO2002083289A3 Conrrolled realease cooling additive composition
12/19/2002WO2002060825A3 Osmotic desalination process
12/19/2002WO2002028781A8 Apparatus and process for extracting and recovering metals from aqueous solutions
12/19/2002WO2002026629A3 Electrodeionization device and methods of use
12/19/2002US20020193546 Polymerization process, apparatus mid polymer
12/19/2002US20020193491 Adsorbent for aromatic hydroxy compound and utilization thereof
12/19/2002US20020193453 Preparation of weak acid cation exchange resins
12/19/2002US20020192832 Chromatographic separation of particles from samples; obtain sample, apply to column, generate electrolyic ions, expose to effluent, detect separated particles
12/19/2002US20020192830 Providing a Boiler System and fluorometer; using fluorometer to detect the fluorescent signal of residual Oxygen Scavenger present in boiler feedwater; calculating amount of scavenger present; controlling amount of fresh scavenger
12/19/2002US20020192315 Process for preparing cooagulants for water treatment
12/19/2002US20020192142 Carbon nanotube coatings as chemical absorbers
12/19/2002US20020192132 Sulfur-bearing residue treatment system
12/19/2002US20020190404 Gas/liquid contact chamber and a contaminated water treatment system incorporating said chamber
12/19/2002US20020190227 Discharge lamp, ultraviolet ray irradiation apparatus and method of using the apparatus
12/19/2002US20020190220 Radiation source module
12/19/2002US20020190008 Electrical metal ion generating device
12/19/2002US20020190007 Containing sulfonate groups
12/19/2002US20020190005 Quick inverting liquid flocculant
12/19/2002US20020190004 Applying a conditioning magnetic field to enhance the precipitation of solute particles for coagulation; water treatment
12/19/2002US20020190003 Phenol removal pretreatment process
12/19/2002US20020189998 Processes and apparatus for potable water purification that include bio-filtration, and treated water from such processes and apparatus
12/19/2002US20020189991 Fluid conduit with retained magnets
12/19/2002US20020189987 Desalination system of sea water for ship
12/19/2002US20020189986 Point-of-use water treatment system
12/19/2002US20020189985 Monolithic plumbed sub-assemblies and assembly for adapting diverse existing reverse osmosis (RO) systems to zero waste, and for constructing modular zero-waste RO system
12/19/2002US20020189984 Water purification system and method including dispensed volume sensing and control
12/19/2002US20020189954 Using water containing hypochlorite and silver ions, or hypochlorite, silver ions and copper ions in solution
12/19/2002US20020189951 Electrodeionization apparatus and method
12/19/2002US20020189935 Electrochemical cover for inhibiting diffusion/infiltration of oxygen into reactive sulphide materials
12/19/2002US20020189704 Packaging
12/19/2002US20020189273 Fresh water generating apparatus
12/19/2002DE10214305A1 Waste water treatment assembly has sluice gates converting trap basin to through flow channel for rainwater surge
12/19/2002DE10129307A1 Filtration unit for removing pollutants from fluids, especially water, comprises agglomerates of finely divided iron oxide and oxyhydroxide
12/19/2002DE10129306A1 Filtration unit for removing pollutants from fluids, especially water, comprises agglomerates of finely divided iron oxide and oxyhydroxide
12/19/2002DE10129304A1 Filtration unit for removing pollutants from fluids, especially water, comprises agglomerates of finely divided iron oxide and oxyhydroxide
12/19/2002DE10128946A1 Lamp unit with interlock function for ultraviolet irradiation devices, has cap with contacts forming conductive connection to connectors in operating position and preventing access to base in this position
12/19/2002DE10128132A1 Solid metal catalyst used in oxidation processes in aqueous or gaseous media in presence of oxidizing agents comprises group I alloy elements, group II alloy elements, and group III alloy elements
12/19/2002DE10128129A1 Degradation of biological and/or organic substances in liquid phase used for sterilizing liquids comprises reacting solid metal catalyst
12/19/2002DE10127729A1 Production of aqueous chlorine-oxygen solution, used for treating water, e.g. drinking water, or disinfecting swimming pool water, involves adding peroxide compound then aqueous chlorite solution to acidified hydrogen sulfate solution
12/19/2002DE10049916A1 Sea water desalination assembly has inverted cone energy trap and condenser
12/19/2002CA2390973A1 Uv radiation device for treating fluids with a simplified radiation chamber
12/18/2002EP1267208A1 Material and method for treating photographic effluents
12/18/2002EP1266867A2 Process of environmental recovery in urban regions
12/18/2002EP1266866A1 Apparatus for generating microbubbles with positive charge for electroflotation and method for treating wastewater and contaminated water by electroflotation using the apparatus
12/18/2002EP1266865A2 Method for removing phosphorus from water to be treated using an electric field
12/18/2002EP1266694A1 Vessel and magnetic rod
12/18/2002EP1266690A2 Preparation of weak acid cation exchange resins
12/18/2002EP1266683A1 Gel particle for washing separation membrane modules, manufacturing method thereof and washing method using the same
12/18/2002EP1266679A1 Improved sulfur-bearing residue treatment system
12/18/2002EP1265936A1 Superabsorbent materials based on butyl rubber process for making said materials and use of them
12/18/2002EP1265819A1 Method and device for effluent treatment
12/18/2002EP1265818A1 Precipitating chemical
12/18/2002EP1265817A1 Electrolysis based water treatment
12/18/2002EP1265816A1 A device for separating a surface layer of a liquid
12/18/2002EP1265682A1 Method and apparatus for water degasification and distillation
12/18/2002EP1115661B1 Liquid treatment
12/18/2002EP1082269B1 Physical liquid treatment device
12/18/2002EP1024885B1 Methods for producing solid subassemblies of fluidic particulate ion exchange material
12/18/2002CN2527027Y Treater for ultra-purifying cold water in electric generator
12/18/2002CN2526392Y Swimming pool with water self-purifying function
12/18/2002CN2526353Y Intelligent apparatus for controlling pipeline supplying water in different quality to drink directly
12/18/2002CN2526314Y Filter for sewage and waste water
12/18/2002CN1386115A Method of treating fluorine compound and treated substance
12/18/2002CN1386114A Method of treating fluorine compound
12/18/2002CN1386109A 液体冷却系统 Liquid cooling system
12/18/2002CN1386070A Multi-stage filtration and softening module and reduced scaling operation
12/18/2002CN1386066A Method of sterilizing mildews and/or fangi in the state of spores and sterilization apparatus therefor
12/18/2002CN1385760A Method for making lye, lye and application, lye conter and use thereof
12/18/2002CN1385509A Aldehyde surface active agent and method for treating waste water from industrial, commercial and public fercilities
12/18/2002CN1385380A Method for treating acrylonitrile and acrylic waste water
12/18/2002CN1385378A Edible natural plant water
12/18/2002CN1385377A Resource using control technology for industrial ferrous contained hydrochloric acid waste water
12/18/2002CN1385376A High-performance cation type high-molecular flocculant and preparation method thereof
12/18/2002CN1385375A Flocculant for oil-containing sewage low-temp. treatment in oil field
12/18/2002CN1385374A Method for separating dirt from sewage and separator thereof
12/18/2002CN1385373A Coagulant for sewage treatment