| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/05/2005 | EP1493476A1 Process for recovering fluorinated surfactants by activated carbon |
| 01/05/2005 | EP1493333A1 Composition and method for controlling biological growth using stabilized sodium hypobromite in synergistic combinations |
| 01/05/2005 | EP1492822A1 Cross-linked polymers based on cyclodextrins for removing polluting agents |
| 01/05/2005 | EP1492732A1 Use of agricultural grains, plant parts thereof, and grinding residues for decontaminating waters that are polluted with chlorinated hydrocarbon |
| 01/05/2005 | EP1492731A2 Evaporator tube for a sea water desalination plant |
| 01/05/2005 | EP1492407A1 Composition comprising zoanthus sp. extract with anti-fouling activity and use thereof |
| 01/05/2005 | EP1443026A4 Centrifugal deaerator |
| 01/05/2005 | EP1280941B1 Method for eliminating nickel ions and lead ions from ferrous salt solutions |
| 01/05/2005 | EP1189684B1 Water dispensing apparatus with filter integrity testing system |
| 01/05/2005 | EP1096982B1 Process for the treatment of waste water |
| 01/05/2005 | DE202004016890U1 Vorrichtung zur Herstellung wässriger Spülflüssigkeiten durch Wiederaufbereitung Device for producing aqueous rinsing liquids through reprocessing |
| 01/05/2005 | DE202004016207U1 An electrical resistance through flow heater has tubes clamped between end blocks which connect the fluid flow and a UV tube to purify the water |
| 01/05/2005 | DE19861175B4 Wasserfiltervorrichtung mit einer Auffangkanne und mit Heizelement Water filter device with a carafe and with heating element |
| 01/05/2005 | DE10327401A1 Pumpe mit zusätzlicher Fluideinspeisung Pump with additional fluid feed |
| 01/05/2005 | DE10327110A1 Arsenadsorbierende Ionenaustauscher Arsenadsorbierende ion exchangers |
| 01/05/2005 | DE10326701A1 Verfahren zur Vererdung von Faulschlämmen Process for the humification of digested sludge |
| 01/05/2005 | DE10326630A1 Verwendung wässriger Dispersionen, enthaltend Ethylencopolymerwachse Use of aqueous dispersions containing ethylene copolymer |
| 01/05/2005 | DE10326628A1 Chlorine dioxide production plant is operated safely by effecting reaction under water with monitoring of the charges and the chlorine dioxide concentration by conductivity measurements |
| 01/05/2005 | DE10326490A1 Wasserbehandlungsvorrichtung Water treatment device |
| 01/05/2005 | DE10323942A1 Quasi-continuous on-line microbiological water quality measuring apparatus, for use in absence of inorganic hydrocarbons, comprises micro-electrolysis chamber |
| 01/05/2005 | CN2668650Y Synchronous switch-over device of delivering pipeline |
| 01/05/2005 | CN2668621Y Trickle-bed catalytic oxidation reaction apparatus |
| 01/05/2005 | CN2668620Y High-concentration ozone-water producing machine |
| 01/05/2005 | CN2668619Y Small-grid flocculating apparatus |
| 01/05/2005 | CN2668618Y Intelligent floccualting medicine feeder |
| 01/05/2005 | CN2668617Y Normal-effect sterilizing drinking device using metal sterilizing agent |
| 01/05/2005 | CN2668616Y Self-controlled direct-drinking water purifying treatment device |
| 01/05/2005 | CN2668615Y External magnetic water treatment device |
| 01/05/2005 | CN2668614Y Built-in type water-activation device |
| 01/05/2005 | CN2668613Y Treatment type water-activation apparatus |
| 01/05/2005 | CN2668612Y Built-in magnetic water-treatment |
| 01/05/2005 | CN2668611Y Magnetizing apparatus for water pipe |
| 01/05/2005 | CN2668610Y Novel sea-water desalting device |
| 01/05/2005 | CN2668609Y Material for catalyzing waste-water treatment by internal electrolyzation |
| 01/05/2005 | CN2668608Y Moving-magnet sea-water desalting device |
| 01/05/2005 | CN2668607Y Multi-medium-layer oil-water separator |
| 01/05/2005 | CN2668606Y Chemially oil-removing device |
| 01/05/2005 | CN2668605Y Ultraviolet-ray disinfecting device |
| 01/05/2005 | CN2668604Y Boiler water-feeding integrated treatment apparatus |
| 01/05/2005 | CN2668603Y Water-treatment apparatus for crevice-body electric power plant boiler |
| 01/05/2005 | CN2668250Y Dual-flow weak acid hydrogen ion exchanger |
| 01/05/2005 | CN2668237Y Oil field extractive liquid crack body treating device |
| 01/05/2005 | CN2668019Y Magnetized drinking water machine |
| 01/05/2005 | CN2668018Y Ultraviolet disinfecting drinking water machine |
| 01/05/2005 | CN1561448A Exchange apparatus |
| 01/05/2005 | CN1559939A Process for treating sludge of sewage treatment plant by circulating fluidizing burning method |
| 01/05/2005 | CN1559937A Process for treating and controlling waste water containing high concentration hazard rubbish chromium by high efficient function bacteria |
| 01/05/2005 | CN1559933A Process for treating waste water of nitrobenzene, 2, 4-dinitrophenol, p-nitro-chlorebenzene |
| 01/05/2005 | CN1559932A Process for treating waste water of chlorobenzene and benzene containing high alkaline and high chloro ion content |
| 01/05/2005 | CN1559931A System and process of treating fluorhydric acid |
| 01/05/2005 | CN1559930A Preparation of water treatment agent and application thereof |
| 01/05/2005 | CN1559929A Process for adding drug sterilizing in water washing procedure at mfg. printed circuit board |
| 01/05/2005 | CN1559928A Sorption algae apparatus of collecting blue algae water bloom |
| 01/05/2005 | CN1559927A Process of streng thening biotreating sewage with supersonic generator |
| 01/05/2005 | CN1559926A Process and apparatus for treating sewage |
| 01/05/2005 | CN1559925A Drinking water dispenser of taking water from air and purifying |
| 01/05/2005 | CN1559924A Apparatus for treating circulating water of environmental protection toilet |
| 01/05/2005 | CN1559923A Preparation process of multifunctional flyash sewage treatment material |
| 01/05/2005 | CN1559922A Process for adsorpting and separating waste water containing nitro-chlrobenzene by antimony oxide modified zeloite and resource recovery process thereof |
| 01/05/2005 | CN1559921A Process and apparatus of forward flow-counter flow dual air flotation |
| 01/05/2005 | CN1559920A Desalination of sea water and removing dissolved material after concentration and precipitation therefrom |
| 01/05/2005 | CN1559919A Process of preventing and removing water scale by thermal method and apparatus thereof |
| 01/05/2005 | CN1559918A Multifunctonal peculiar smell colour changing agent |
| 01/05/2005 | CN1559917A Process of synthesizing high titanate and application as dehydrator for algas thereby |
| 01/05/2005 | CN1559909A Process for reproducing high cerium nitrate acidic solution |
| 01/05/2005 | CN1559707A Treatment of mineral materials |
| 01/05/2005 | CN1559664A Preparation of bacteria mineralized nanometer needle iron ore and its application |
| 01/05/2005 | CN1183382C Solid-state fluorometer and methods of use therefor |
| 01/05/2005 | CN1183044C Floculant for treating sewage |
| 01/05/2005 | CN1183043C Apparatus for ultraviolet light treatment of fluids |
| 01/05/2005 | CN1183042C Water treatment product and method |
| 01/05/2005 | CN1183041C Process for purification of industrial waste water fro propylene oxide production process |
| 01/04/2005 | US6839641 Automated system for rating pipe segments in a water distribution system |
| 01/04/2005 | US6838504 Metal wastes in polymer matrix; control releasing; pollution control |
| 01/04/2005 | US6838069 Using metal hydroxides and metal loaded media with regeneration with a weak acid; or using H2SO4 and ZnSO4 and metal loaded media with regeneration with H2SO4 and ZnSO4 |
| 01/04/2005 | US6838007 Remote site chlorinator system |
| 01/04/2005 | US6838006 Oil field separation facility control system utilizing total organic carbon analyzer |
| 01/04/2005 | US6838005 Nanosize electropositive fibrous adsorbent |
| 01/04/2005 | US6838003 Sand bed purifier rehabilitation method |
| 01/04/2005 | US6838002 Method of monitoring membrane separation processes |
| 01/04/2005 | US6838001 Method of monitoring membrane separation processes |
| 01/04/2005 | US6838000 Ultrafiltration, microfiltration of gray/black water with membrane; for producing potable water |
| 01/04/2005 | US6837998 Method and conditioning agent for treating waste water and air pollutants |
| 01/04/2005 | US6837997 Disposal of sediment from pond or lagoon at petroleum refinery |
| 01/04/2005 | US6837994 Water treatment apparatus |
| 01/04/2005 | US6837986 Comprising a closed-type anode chamber, part of whose wall is a septum and within which an anode is placed, and a cathode placed outside of the anode chamber; and a power source unit for supplying DC power to the electrode; efficiency |
| 01/04/2005 | CA2372331C System and method for removing pollutants from water |
| 01/04/2005 | CA2200240C Agent dispenser and method and apparatus for introducing an agent into aliquid or gas at a controlled rate |
| 01/04/2005 | CA2199497C Water treatment process |
| 12/30/2004 | US20040267062 Process for working up secondary components in the preparation of dinitrotoluene |
| 12/30/2004 | US20040266622 Composition and method for elimination of green and red algae |
| 12/30/2004 | US20040265908 use of purified metal binding protein, metallothionein from a brine shrimp (Artemia), to reduce the concentration of a metal in a substrate; bioremediation; pollution control |
| 12/30/2004 | US20040265467 Fibrous crystal aggregates, preparation method thereof and use thereof |
| 12/30/2004 | US20040265387 superabsorbent polymers having monodispersity used for absorption of aqueous liquids in food industry, medicine, construction and design, agriculture or fireproofing applications |
| 12/30/2004 | US20040265218 Material responsive to visible light and process for producing the same |
| 12/30/2004 | US20040262422 Water-activating shower apparatus |
| 12/30/2004 | US20040262243 Providing a source of purified water; exposing the filter to the purified water for cleaning; backflushing initiated on demand or through an automated routine that repeats on a regular basis |
| 12/30/2004 | US20040262240 Oxidants and oxidant radicals are produced electrically in a stream of air, resultant gas is injected into a stream of water which flows through water purification system |
| 12/30/2004 | US20040262239 Highly concentrated bromine compositions and methods of preparation |
| 12/30/2004 | US20040262238 Process for working up the waste water obtained in the preparation of dinitrotoluene |