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)
04/2003
04/16/2003CN2545238Y Full-automatic multifunctional rareearth ion washer
04/16/2003CN2545192Y High-temp. condensed water deironing device
04/16/2003CN2545191Y Scale production type integrative water purifier
04/16/2003CN2545190Y Sewage coagulating sedimentation device
04/16/2003CN2545189Y Water treating device
04/16/2003CN2545188Y Water magnetizing device
04/16/2003CN2545187Y Filter element for water purifier
04/16/2003CN2545186Y Filter type oil-water separator
04/16/2003CN2545185Y Internal spray industrial sewage treating device
04/16/2003CN2545184Y Wall domestic sewage purifying water-saving device
04/16/2003CN2544783Y Horizontal two-stage energy-saving device for vacuum removal of oxygen from water
04/16/2003CN1410694A Air pipe switching device
04/16/2003CN1410618A Drum washer
04/16/2003CN1410365A Method of treating emulsion liquid waste water using industrial spent acid
04/16/2003CN1410364A Quick automatic treating device of polluted water
04/16/2003CN1410363A Manufacturing method of granular dibromohydantoin for killing harmful bacteria in aquaculture water
04/16/2003CN1410362A Manufacturing method of granula bromochlorohydantoin for killing harmful bacteria in aquaculture water
04/16/2003CN1410361A Sterilizing for storing water
04/16/2003CN1410360A Immersion UV control method for preventing
04/16/2003CN1410359A Side stand immersion combustion evaporator for concentrating filtrate
04/16/2003CN1410157A Collagen fiber solidified tannin adsorptive material and its preparation method and its adsorption and separation of metallic ion
04/16/2003CN1105998C Karaoke marking apparatus
04/16/2003CN1105689C Intermittent decomposition treating method of floater and oily sludge
04/16/2003CN1105688C Biological acid process for separating lignin from alkaline papermaking black liquor
04/16/2003CN1105687C High-molecular cationic flocculant of starch graft acrylamide and its preparing process
04/16/2003CN1105686C Low-aluminium water purifying agent and its production process
04/16/2003CN1105685C Process for treating waste water of polyvinyl chloride
04/16/2003CN1105684C Technology of applying 13x zeolite in treating heavy metal-containing waste water and recovering metal
04/16/2003CN1105683C Apparatus for industrially preparing fresh water
04/15/2003US6548142 Silica glass honeycomb structure from silica soot extrusion
04/15/2003US6548037 Coagulants, flocculants
04/15/2003US6547971 Inhibiting the growth of organisms in aqueous systems such as papermaking systems, cooling systems and process waters of various types, comprises adding to the aqueous system a hop acid.
04/15/2003US6547970 Supplying flocculant; filtration; cleaning ink from rolls
04/15/2003US6547969 Adding a calcium compound; coagulation; filtration
04/15/2003US6547968 Cleaning microfiltration membranes; immersion in tank; pulsation, drying cycles
04/15/2003US6547965 Large tube assemblies for reverse osmosis
04/15/2003US6547963 Structure of water tank with ultraviolet-ray sterilization lamp
04/15/2003US6547951 Method and apparatus for treatment of organic matter-containing wastewater
04/15/2003US6547947 Water pollution control
04/15/2003US6547935 Method and apparatus for treating fluids
04/15/2003US6547855 Mass transfer system
04/12/2003WO2003033420A1 Soil water purifier
04/11/2003WO2002030830A1 Method of circulating water in circulatory water tank system and liquid compositions for sterilizing and disinfecting circulatory water tank system
04/11/2003CA2425693A1 Method of circulating water in circulatory water tank system and liquid compositions for sterilizing and disinfecting circulatory water tank system
04/10/2003WO2003029904A1 End-of-life indicator for a consumable product
04/10/2003WO2003029744A2 A thermoplastic heat exchanger and method of making the same
04/10/2003WO2003029154A1 Water processing apparatus
04/10/2003WO2003029152A2 Method and device for purifying wastewaters
04/10/2003WO2003029151A1 Composition and the use thereof as a coagulating and flocculating agent
04/10/2003WO2003029150A1 Production method for mineral water
04/10/2003WO2003029149A2 System and method for efficient and low energy desalination of water
04/10/2003WO2003028910A1 Method for treatment against corrosion and depositions in domestic supply water installations and apparatus therefor
04/10/2003WO2003028887A1 Catalytic systems and process for treatment of industrial process and waste streams
04/10/2003WO2003028866A1 Filtering device and method of cleaning reverse osmosis membrane
04/10/2003WO2003028863A1 Device for magnetically controlled electrodeionisation
04/10/2003WO2003028848A1 A water-purification jug, for domestic use
04/10/2003WO2003028741A1 Composition of hypochlorous acid and its applications
04/10/2003WO2002099091A3 Endo-beta-1,4-glucanase from bacillus
04/10/2003WO2002083266A3 Filters and filter materials for the removal of microorganisms and processes for using the same
04/10/2003WO2002059046A3 Method of activation of chemically pure and potable water
04/10/2003WO2002051518A8 Method and apparatus using super absorbent polymers for dehydration of oil
04/10/2003US20030069133 Obtained by dry distillation of solidified refuse fuels and a binder; utilized as an environment cleaning material such as for foul water cleaning as it is or after processing
04/10/2003US20030068579 Dissolving a gaseous molecule having oxidizing properties or reducing properties in an aqueous alkaline solution.
04/10/2003US20030068295 Odor neutralizers
04/10/2003US20030068202 Purification; reducing halogen compounds in soil; agitation chemical reactors
04/10/2003US20030067378 End-of-life indicator
04/10/2003US20030066808 Grains; vibration, agitation; killing microorganisms
04/10/2003US20030066806 Treatment of water containing organic wastes with aromatic amine nitrate salts
04/10/2003US20030066804 Wastewater pretreatment, gathering and final treatment process
04/10/2003US20030066801 Using silver colloid and hydrogen peroxide
04/10/2003US20030066799 Endogenous respiration; reducing oxygen demand; aeration; water pollution control
04/10/2003US20030066788 Water quality management system
04/10/2003US20030066761 Water pollution control
04/10/2003US20030066758 Method and system for generating hypochlorite
04/10/2003US20030066647 In-well contaminant stripper
04/10/2003US20030066617 Flocculants; papermaking, water purification; mixture containing organonitrogen compound
04/10/2003DE20301323U1 Neutralization additive for residual mining water comprises finely divided calcined dolomite of specified characteristics in solid or aqueous suspension form
04/10/2003CA2466849A1 System and method for efficient and low energy desalination of water
04/09/2003EP1300366A1 Road surface waste water treatment device and tubular water treatment unit
04/09/2003EP1299481A2 Coating compositions for modifying hard surfaces
04/09/2003EP1299315A1 Improved chemical treatment methods and apparatus
04/09/2003EP1299314A1 Method and apparatus for the treatment of biological suspensions
04/09/2003EP1299313A1 Process for the debromination of an aqueous salt solution using ozone
04/09/2003EP1299312A1 Electrodeionisation apparatus
04/09/2003EP1299311A1 Method and device for treating industrial effluents to eliminate organic and/or mineral pollution
04/09/2003EP1299310A1 Cooling tower maintenance
04/09/2003EP1299309A1 Improved electrodeionization system
04/09/2003EP1299308A2 Chemical extraction process
04/09/2003EP1299275A1 Washing and recycling unit and method for on-site washing of heavy machinery
04/09/2003EP1299176A1 Device for producing an aqueous chlorine dioxide solution
04/09/2003EP1299167A1 Electrostatic coalescer device
04/09/2003EP1191849B1 N-chlorosulfamate compositions having enhanced antimicrobial efficacy
04/09/2003EP1171389A4 Composition and method for simultaneously precipitating metal ions from semiconductor wastewater and enhancing microfilter operation
04/09/2003EP1171234B1 A novel agropolymer used for purification of polluted water or contaminated water containing metal or ions and a method of producing the agropolymer
04/09/2003EP1147062B1 Method and installation for sanitizing surface water
04/09/2003EP1137445B1 Microwave actuated ultraviolet light source
04/09/2003EP1086052B1 Method for treating humid waste containing an oxidable organic material
04/09/2003EP1080473B1 Antimony silicate sorbent for removal of metal ions
04/09/2003EP1021379B1 Water purifying and dispensing apparatus
04/09/2003EP0839071B1 Adsorbent filled membranes for removal of volatile compounds from wastewater
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