Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
09/2003
09/18/2003US20030173204 Obtaining fresh water and salt from the marine water and distillation system
09/18/2003US20030172450 Method of dispensing cyanuric acid
09/18/2003CA2478282A1 Method and device for clarification of liquids, particularly water, loaded with material in suspension
09/18/2003CA2477939A1 Multiple barrier filter apparatus
09/18/2003CA2477134A1 Device for treating water
09/18/2003CA2477130A1 Biological digestion of waste fluids with particle communition step
09/17/2003EP1344564A2 Mixtures of adsorbent materials
09/17/2003EP1343923A2 Electrochemical apparatus with retractable electrode
09/17/2003EP1343922A2 Corrosion inhibition method suitable for use in potable water
09/17/2003EP1343896A1 Small acid-soluble spore protein and uses thereof
09/17/2003EP1343815A2 Antibacterial treatments
09/17/2003EP1343730A1 Method for treating water containing manganese
09/17/2003EP1343727A1 Method and means for purification of water by reverse osmosis
09/17/2003EP1343726A1 Processes and compositions for water treatment
09/17/2003EP1343577A1 Method, module and device for contacting a gas and a liquid
09/17/2003EP1343576A2 Method and apparatus for generating a sterile infusion fluid
09/17/2003EP1343575A1 Method for regulating a membrane filtering installation
09/17/2003EP1343376A2 Concentrated aqueous bromine solutions and their preparation
09/17/2003EP1229977A4 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions
09/17/2003EP1167306B1 Equipment for purifying residual waters from horticulture and pomology centers and in situ phytosanitary treatment
09/17/2003EP0960071B1 Method and device for filtering of hydrocarbon contaminated water by means of hydrocarbons
09/17/2003EP0813502B1 Electrocoalescent system for decontaminating water streams
09/17/2003CN2573484Y Ozone sterilizing water purifier
09/17/2003CN2573483Y Waste acid treating device
09/17/2003CN2573482Y Multifunctional deironing manganese-removing water purifying device
09/17/2003CN2573481Y Net type active iron pretreating device
09/17/2003CN2573480Y Electronic water treating apparatus
09/17/2003CN2573479Y Apparatus for treating secondary polluted drinking water by high gradient magnetic separation process
09/17/2003CN2573478Y Fluid system strong magnetic filter
09/17/2003CN2573477Y External clamping continuously magnetizing water treating device
09/17/2003CN2573476Y Jet strong magnetic flux circulation scaler
09/17/2003CN2573475Y Electronic large flow rate water treating device
09/17/2003CN2573474Y Domestic composite filler element water purifier
09/17/2003CN2573473Y Nano-titania photocatalyst water treatment device
09/17/2003CN2573472Y Super-high molecule composite membrane water purifier
09/17/2003CN2573471Y Reverberation device for extracting oil from water
09/17/2003CN2573394Y Purified water health box
09/17/2003CN2572928Y Mouth cleaner
09/17/2003CN2572888Y Magnetizable cooker structure
09/17/2003CN1443140A Ozonation process
09/17/2003CN1443139A Effluent purifying device
09/17/2003CN1443138A Low-level boron detection and measurement
09/17/2003CN1443137A Chemical process
09/17/2003CN1442443A Treatment method of waste liquid containing emulsion polymerized polymer
09/17/2003CN1442374A Cleaning and recovery method of sewage in medical treatment and device used
09/17/2003CN1442373A Photo catalytic oxidation treatment method of meta dimethylhydrazine waste water
09/17/2003CN1442372A Equipment for proceeding water sterilization using UV ray
09/17/2003CN1442371A Water treatment device
09/17/2003CN1121427C Polyacrylamide polymerization
09/17/2003CN1121407C Method for extracting hydrogenated lignin from paper making black liquor by adopting electrolytic hydrogenation process
09/17/2003CN1121350C Preparation process of oxygen enriched drinking water
09/17/2003CN1121253C Water treatment device and method
09/17/2003CN1121250C Process for decomposing halogen ester group hydrocarbon compound or aromatic compound and device thereof and process for purifying waste gas and device for this method
09/16/2003US6620441 By eliminating or at least sharply reducing the amount of alcohol impurity in the reaction mixture, products are formed which do not undergo the intolerable loss of active halogen content during the 10-day period
09/16/2003US6620397 Material and method for treating photographic effluents
09/16/2003US6620396 Method of removing phosphorus from sludge
09/16/2003US6620379 Apparatus and method of treatment of wounds, burns and immune system disorders
09/16/2003US6620338 Composition for inhibition of metal corrosion
09/16/2003US6620330 Detoxification of quaternary onium compounds with polycarboxylate-containing compound
09/16/2003US6620329 Golf course irrigation water monitoring and treatment system
09/16/2003US6620324 Methods for purifying a solvent
09/16/2003US6620322 Apparatus and methods for purifying a waste influent material
09/16/2003US6620319 Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes
09/16/2003US6620318 Modular disinfection system for fluids
09/16/2003US6620317 Waste water treatment system
09/16/2003US6620315 System for optimized control of multiple oxidizer feedstreams
09/16/2003US6620314 Production of pyrogen controlled water
09/16/2003US6620210 Method of washing laundry using ozone to degrade organic material
09/16/2003US6619633 Apparatus for aerating water
09/16/2003US6619118 Without a need for excavating and physically inspecting the septic tank
09/16/2003US6618957 Method and apparatus for microwave utilization
09/16/2003CA2420995A1 Dip aerator
09/16/2003CA2293966C Water filtering system with replaceable cartridge for a refrigerator
09/16/2003CA2137007C Method for removing alkaline sulfate scale
09/15/2003CA2386445A1 Fluid treatment apparatus
09/13/2003CA2421636A1 Assembly and method for purifying water at a point of use and apparatus and method for testing same
09/12/2003WO2003074589A1 Reusable polysilsesquioxane adsorbents for pollutants
09/12/2003WO2003074432A1 Process and system for treatment of aqueous environments containing water soluble polymers
09/12/2003WO2003074431A1 Method for preventing the uncontrolled growth of microorganisms in water
09/12/2003WO2003074430A1 Nitrate removal
09/12/2003WO2003074429A1 An apparatus for circulation of a fluid
09/12/2003WO2003074428A2 Pre- and post-treatment system and method for periphyton filtration using ozone
09/12/2003WO2003074162A1 Ozone mixing device and ozone mixing method
09/12/2003WO2003073976A1 Mist generating device
09/12/2003WO2003073848A1 A method of preparing a biocide comprising stabilized hypochlorite and a bromide ion source and a method of controlling microbial fouling using the same
09/12/2003WO2003063996A3 Precoat filtration media and methods of making and using
09/12/2003WO2003048052A3 Method for treating water and device for carrying out said method
09/12/2003WO2003029152A3 Method and device for purifying wastewaters
09/12/2003CA2477427A1 A process for preparing semipermeable membranes having improved permeability
09/12/2003CA2477388A1 Mist generating device
09/11/2003WO2003074152A1 A process for preparing semipermeable membranes having improved permeability
09/11/2003US20030171421 Methods and compositions for controlling biofilm development
09/11/2003US20030170878 Method and apparatus for the treatment of biological suspensions
09/11/2003US20030170151 Biohazard treatment systems
09/11/2003US20030168412 Process for treating a solid-liquid mixture
09/11/2003US20030168411 Treating a nitrogen compound and a phosphorus compound in for-treatment water by electrochemical procedure, adding calcium chloride to the for-treatment water and a step of immersing an iron material in the for-treatment water
09/11/2003US20030168410 For removal of entrained hydrocarbons
09/11/2003US20030168406 Feeding waste water from a final water washing tank of a final water washing step in a cationic electrocoating to a receiving- concentration tank, feeding waste water from the receiving- concentration tank to a membrane separation unit
09/11/2003US20030168401 For removing microbiological contaminants in a fluid
09/11/2003US20030168394 Swivelling filter head assembly
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