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)
03/2003
03/12/2003EP0819131B1 Purification process
03/12/2003CN2539738Y Apparatus for extracting isopropyl alcohol from waste liquid of cleaning printing plate
03/12/2003CN2539523Y Negative pressure medical equipment water vapour filter
03/12/2003CN1402749A Method and apparatus for production of polycarbonates with brine recycling
03/12/2003CN1402694A Water purifier for bottle container
03/12/2003CN1401591A Ferrite process for treating nickel-contg. waste water
03/12/2003CN1401590A Mycelium surface coated biologic adsorbent and preparing process thereof
03/12/2003CN1401589A Formulation of organic aluminium sulfate polymer flucculant and preparing method thereof
03/12/2003CN1401588A Polyphosphate iron chloride coagulating agent and preparing method thereof
03/12/2003CN1401587A Centrfugal concrete article laitance liqud-solid separating treatment process
03/12/2003CN1401586A Liquid purifying treatment module
03/12/2003CN1401585A Electric adsorption liquid treatment device
03/12/2003CN1401584A Artificial river stone
03/12/2003CN1401583A Method for removing gaseous impurities from water
03/12/2003CN1401582A Composite rough rib face high-efficiency heat pipe sea water desalination device and heat transfer enhancing method thereof
03/12/2003CN1401581A Low energy consumption bursting separation desalinating apparatus for instant desalination of sea water
03/12/2003CN1401548A Filtering water tank with ice bucket
03/12/2003CN1401406A Fluid treating device and counting mechanism
03/12/2003CN1102913C Method and apparatus for purifying of milky oil sewage in ship cabin
03/12/2003CN1102912C Water purification unit and method thereof
03/12/2003CN1102865C Method for separating and concentrating certain ions using ion binding ligands bonded to membranes
03/12/2003CN1102830C Tabletized ionene polymers
03/11/2003US6531531 Method and composition of a hydrophilic polymer dispersion containing an inorganic flocculant to be used for the treatment of waste water
03/11/2003US6531093 Comprising 50 to 90 parts by weight of zeolite powder and 50 to 10 parts by weight of clamshell powder, being sintered; for immersion into bacteria contaminated liquids for water sterilization
03/11/2003US6531065 Perchlorate removal methods
03/11/2003US6531064 Method for removal of radionuclide contaminants from groundwater
03/11/2003US6531063 Zeolite bed leach septic system and method for wastewater treatment
03/11/2003US6531050 Water purification process
03/11/2003US6531035 Metal oxide gels; rotating fluidized beds
03/11/2003US6531034 Land-based desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate
03/11/2003US6530987 Method for producing iron oxide pigments from waste acid resulting from TiO2 production
03/11/2003US6530976 Ozone storage method and ozone storage apparatus
03/11/2003US6530895 Oxygenating apparatus, method for oxygenating a liquid therewith, and applications thereof
03/11/2003CA2233301C Methods and compositions for controlling biofouling using thiourea compounds
03/10/2003CA2402107A1 Water treatment system
03/06/2003WO2003018487A1 Sustained release coolant additive compositions
03/06/2003WO2003018486A1 Filter assemblies with compressible filtering medium
03/06/2003WO2003018485A1 System and method for water supply
03/06/2003WO2003018484A1 Bubble-free and pressure-generating electrodes for electrophoretic and electroosmotic devices
03/06/2003WO2003018483A1 Processes for manufacturing water filters
03/06/2003WO2003018482A2 Device (variants) for treating water systems
03/06/2003WO2003018394A1 Ballast water exchange
03/06/2003WO2003018204A1 Kitchen sink disposer mount for space conservation
03/06/2003WO2003018194A1 Composite solid material fixing mineral pollutants, method for preparing same and method for fixing pollutants using same
03/06/2003WO2003018193A1 Method for preparing a composite solid material based on hexacyanoferrates, and method for fixing mineral pollutants using same
03/06/2003WO2003018180A2 System and method for withdrawing permeate through a filter and for cleaning the filter in situ
03/06/2003WO2003018167A2 Device and method for removing oil floating in water
03/06/2003WO2003018166A1 Method for removing heavy metals from media containing heavy metals by means of a lyocell moulded body, cellulosed moulded body comprising adsorbed heavy metals, and the use of the same
03/06/2003WO2003002464A9 Polysaccharides with oxime or amine functions which are used for water treatment and sludge conditioning
03/06/2003WO2002083295B1 Method for purifying and refining fluids through accelerated electrons
03/06/2003WO2002059044A3 Activated sludge wastewater treatment process
03/06/2003US20030044343 Process for removing sodium sulfate from nickel hydroxide effluent streams
03/06/2003US20030044335 Using oxidizer
03/06/2003US20030044332 Fluid contact chamber
03/06/2003US20030044311 Using xenon pulsed light
03/06/2003US20030044310 Process and apparatus for controlling bacterial contamination of medical unit waterline and water therein using electric current
03/06/2003US20030042631 Method and system to increase the quantity of dissolved gas in a liquid and to maintain the increased quantity of dissolved gas in the liquid until utilized
03/06/2003US20030042211 Purification; removal bacteria
03/06/2003US20030042210 Water treatment apparatus
03/06/2003US20030042209 Filtration; controlling moisture concentration; modified photosensitive polyether
03/06/2003US20030042208 Sustained release coolant additive compositions
03/06/2003US20030042207 Venturi feeder bypass and control
03/06/2003US20030042201 Supplying drinking water in situ
03/06/2003US20030042134 High efficiency electrolysis cell for generating oxidants in solutions
03/06/2003US20030041906 Cock
03/06/2003CA2457123A1 Processes for manufacturing water filters
03/06/2003CA2456165A1 Bubble-free and pressure-generating electrodes for electrophoretic and electroosmotic devices
03/06/2003CA2425167A1 System and method for withdrawing permeate through a filter and for cleaning the filter in situ
03/05/2003EP1288166A1 Method and system for pH control
03/05/2003EP1288165A1 Apparatus for purifying liquids
03/05/2003EP1288164A1 Process and mobile plant for purifying waste water containing organic substances
03/05/2003EP1287741A1 Microbicidal and algicidal composition, microbicidal and algicidal process for the treatment of a water system, and process for producing a microbicidal and algicidal composition
03/05/2003EP1286924A1 Apparatus and method for high speed dewatering of slurries
03/05/2003EP1286923A1 Treatment of mineral materials
03/05/2003EP1149054B1 Apparatus for treating water for a point-of-use potable water sources
03/05/2003EP1137600A4 Hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide for the clarification of deinking process waters
03/05/2003EP1064228A4 Process and apparatus for electrocoagulative treatment of industrial waste water
03/05/2003EP0948462B1 Organosilic matrix composition with disincrustant action in aqueous media
03/05/2003EP0948399B1 Method and apparatus for dissociating materials
03/05/2003CN2538795Y Device for producing ozone water
03/05/2003CN2538794Y Device for improving quality of water between water pumping pipes of water source
03/05/2003CN2538793Y Neutralization reaction treater for acid sewage
03/05/2003CN2538792Y Wall swimming pool water circulation purifier
03/05/2003CN2538791Y 蓄水沉淀器 Water precipitator
03/05/2003CN2538790Y Pulse circulation electrolysis airfloat sewage treater
03/05/2003CN2538789Y Dynamic intensified micro-electrolysis waste water treater
03/05/2003CN2538788Y Domestic water-saving running water filter with reverse flushing
03/05/2003CN2538787Y Filtering water storage tank
03/05/2003CN2538786Y High-grade ozone-ultraviolet ray excitation photooxidation device
03/05/2003CN2538785Y Water purifier
03/05/2003CN2538784Y Equipment for purifying waste liquid from chemical experiment
03/05/2003CN2538783Y Quartz subnormal boiling high-pure water automatic distiller
03/05/2003CN2538782Y Water purifier
03/05/2003CN2538781Y Scale remover
03/05/2003CN1400918A Vertical extending liquid/liquid contacting column
03/05/2003CN1400912A Apparatus and method for controlled delivery of a gas
03/05/2003CN1400174A Anaerobic aerobic flocculation precipitation sewage treatment process
03/05/2003CN1400173A 臭氧水装置 Ozone water installations
03/05/2003CN1400172A Preparation method of polysilicon-aluminium flocculant
03/05/2003CN1400171A Treatment of washing waste water produced in the course of sorbic acid production and its recovery method as resource
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