C02F 1 - Treatment of water, waste water, or sewage

Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/2006
11/29/2006	EP1263686B1 Process for production of hydrogen from anaerobically decomposed organic material
11/29/2006	EP1189683B1 System and method for withdrawing permeate through a filter and for cleaning the filter in situ
11/29/2006	EP1185349B1 Filters consisting of filter paper or paper-type nonwoven material
11/29/2006	EP1088792B1 Method for purifying turbid water
11/29/2006	CN2842205Y Air cooling condensed-water deoxygenation device
11/29/2006	CN2841649Y Fluid purifying treatment apparatus
11/29/2006	CN2841644Y 便携式臭氧水生成器 Portable ozone water generator
11/29/2006	CN2841643Y Waste water rear-stage treatment apparatus for removing micro metal ion and automatically regulating pH value
11/29/2006	CN2841642Y Water purifying treatment apparatus
11/29/2006	CN2841641Y Magnetizer
11/29/2006	CN2841640Y Strong magnetic water treatment instrument
11/29/2006	CN2841639Y Electronic liquid treatment apparatus
11/29/2006	CN2841638Y Electronic water treatment instrument
11/29/2006	CN2841637Y Auto-controlled continuous semi-valve sodion exchanger
11/29/2006	CN2841636Y Coal gas producer phenol water treatment apparatus
11/29/2006	CN2841635Y Photocatalytic metal material water treatment integrating equipment
11/29/2006	CN2841634Y Ozone and hydroxy free radical generating apparatus
11/29/2006	CN2841633Y 简易净水器 Simple water purifier
11/29/2006	CN2841632Y Alloy filter material reactor
11/29/2006	CN2841631Y Fully-automatic cleaning filtering-material type different-quality water supply apparatus
11/29/2006	CN2841133Y Computer displaying control device for water purifying machine
11/29/2006	CN1871190A Process and apparatus for conversion of organic waste, or low-value materials into useful products
11/29/2006	CN1871178A Water treatment cartridge
11/29/2006	CN1871059A Improved electrodialysis system and process
11/29/2006	CN1871056A Mixed liquid separator
11/29/2006	CN1870887A Drip tray tablet
11/29/2006	CN1869088A Water soluble organic amphoteric high molecule copolymer and its preparation method
11/29/2006	CN1868931A Technological method and equipment for separating and purifying oil-containing mud sand
11/29/2006	CN1868928A Integrated treatment device for industrial waste water
11/29/2006	CN1868927A Method and device for treating garbage percolation sewage using composite dieselguhr
11/29/2006	CN1868926A Composite ecological treatment method of sewage for artificial wet land and its system
11/29/2006	CN1868925A Circulation utilization technology and equipment for electroplating waste water separated by integrated membrane
11/29/2006	CN1868917A Carbon nanometer pipe catalytic ozonization water treatment method
11/29/2006	CN1868916A Catalytic ozonization water treatment method
11/29/2006	CN1868915A Super critical water treatment system of waste organic liquid pollution less discharge and resources utilization
11/29/2006	CN1868914A Method and apparatus for treating hydrofluoric acid waste water
11/29/2006	CN1868913A Method for eliminating chlorine-containing organic matter in water and dechlorine material
11/29/2006	CN1868912A Treatment method for ash water of heating and power plant
11/29/2006	CN1868911A Polyepichlorohydrin-dimethylamine organic polymer coargulator and its preparation technology
11/29/2006	CN1868910A Polymerized aluminium-polyepichlorohydrin amine inorganic organic composite coagulator and its preparation technology
11/29/2006	CN1868909A Composite dieselguhr coagulation aid used for garbage percolation sewage treatment
11/29/2006	CN1868908A Coagulatory settle treatment method for rainy day overflow sewage
11/29/2006	CN1868907A Bactericidal plastic particle and its processing method
11/29/2006	CN1868906A A system for treating a fluid with ultrahigh magnetic fields
11/29/2006	CN1868905A 水处理系统 Water Treatment System
11/29/2006	CN1868904A Drum photocatalysis reactor
11/29/2006	CN1868903A Device for purifying drinking water source, inhibiting harmful microorganism increasing and catching method
11/29/2006	CN1868902A Seawater desalting device
11/29/2006	CN1868901A High efficiency solar seawater desalting plant
11/29/2006	CN1868900A Micro electrolytic energy water treatment element and its preparation method
11/29/2006	CN1868899A Method of automatic reusing sewage without discharging and its equipment
11/29/2006	CN1868898A Subbreed water for architectural use
11/29/2006	CN1868897A Water treatment device capable of raising cleaning action of filtering membrane
11/29/2006	CN1868896A Antibacterial type water purifier special for water dispenser
11/29/2006	CN1868878A Method of refining salt by membrane filtration
11/29/2006	CN1868587A Collagenous fibers carried iron catalyst, prepn. method and use thereof
11/29/2006	CN1868580A Artificial anitibody type composite photocatalyst and its prepn. method
11/29/2006	CN1287388C Treatment method and apparatus. for chemical detergent
11/29/2006	CN1286797C Epoxy sodium succinate and its process for preparing polymer
11/29/2006	CN1286745C Sewage treatment plant
11/29/2006	CN1286744C Method for controlling legionella in cooling towers
11/29/2006	CN1286740C Method and device for treating multiple form heavy metal waste water by multiphase transfer method
11/29/2006	CN1286739C Comprehensive treating method for waste water containing organics and heavy metals
11/29/2006	CN1286738C Sewage treatment device with biological granulating fluidized bed
11/29/2006	CN1286737C Aggregation precipitation method and apparatus
11/29/2006	CN1286736C Sewage-treating agent
11/29/2006	CN1286735C Bulb assembly capable of generating electromagnetic radiation and used in lamp assembly
11/29/2006	CN1286734C Fluid treatment system including reactor screw array
11/29/2006	CN1286549C Ceramic membrane based on a substrate containing polymer or natural fibre, method for the production and use thereof
11/29/2006	CN1286546C Hollow fiber membrane module
11/29/2006	CN1286419C Electric water heating appliances
11/28/2006	US7142350 Color whiteboard stylus and display
11/28/2006	US7141264 Functional water
11/28/2006	US7141225 Purifying sludge; mixing FeCl3 to an acidic pH, mixing oxalic acid and ammonium chloride to form metal pro-chelates; adding alkali sulfides to form colloidal complex iron chelates, which trap the metals; neutralization to alkaline-ferrous sulfides and metal hydroxides, centrifuging the precipitate
11/28/2006	US7141224 Vessels and covers
11/28/2006	US7141181 Synergistic trio combination; filterability; dewatering sludge, papermaking retention aid
11/28/2006	US7141175 Wastewater processing decisions are to be taken based on the real-time oxidation-reduction potential which is a status of water and a broad ranged index to indicate direct and complete biological status of water; computer software
11/28/2006	US7141174 treating boiler water by adding a composition comprising an ester of a hydroxy amine and an acid in an amount effective to treat boiler water and related condensate
11/28/2006	CA2424763C Outside-type filtering apparatus
11/28/2006	CA2409009C Method and apparatus for preventing stagnation in fluid reservoirs
11/28/2006	CA2259509C Method and device for treating a liquid medium
11/28/2006	CA2189809C Treatment of phosphorus in septic tank effluent
11/26/2006	CA2545948A1 Service initiation and regeneration control using impedance ratios
11/23/2006	WO2006124883A2 Process of treating a spent caustic stream using an electrolyzer
11/23/2006	WO2006124076A2 Water purification and disenfection device and method
11/23/2006	WO2006123868A1 An apparatus for treating small river water
11/23/2006	WO2006123574A1 Method of purifying soil and/or groundwater
11/23/2006	WO2006123258A2 Water purification and treatment device and method for desalting or purifying water
11/23/2006	WO2006122566A2 Membrane for filtering of water
11/23/2006	WO2006122560A2 A plant for purification of oil sludge
11/23/2006	WO2006122418A1 Apparatus and method for the non-chemical stabilization of bio-solids
11/23/2006	WO2006062784B1 System and method of generating a ringing magnetic pulse for the treatment of flowing liquids
11/23/2006	WO2006002054A3 Hydrogen peroxide based water treatment system and method
11/23/2006	WO2005028372A3 Apparatus and process for mediated electrochemical oxidation of materials
11/23/2006	US20060264521 Addition homo- or copolymerization of acrylonitrile and/or methyl acrylate in mixture with crosslinking agent, free radical catalyst, dispersion aid, and iron oxide or -oxyhydroxide to bead polymer; curing, heat treatment; saponification, chloromethylation, amination; arsenic removal; pollution control
11/23/2006	US20060264520 Surface-modified titanium dioxide fine particles and dispersion comprising the same, and method for producing the same
11/23/2006	US20060261014 Precipitation of growth-factor-enriched fibrinogen concentrate from platelet rich plasma
11/23/2006	US20060261013 Apparatus and method for the non-chemical stabilization of bio-solids
11/23/2006	US20060261012 Centrifugation process for increasing solid containment in powdered paste
11/23/2006	US20060261010 Continuous selective ion exchange process and apparatus

1 ... 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 ... 1452