Patents
Patents for C02F 103 - Nature of the water, waste water, sewage or sludge to be treated (11,124)
12/2005
12/08/2005WO2005115927A1 Device for reduction of scale formation
12/07/2005CN1230385C Module for treatment of water by ultra-violet radiation
11/2005
11/29/2005CA2392034C Process and system for treatment of waste streams containing water-soluble polymers
10/2005
10/26/2005EP1588986A1 Water still with prevaporation membrane and method of operation thereof
10/19/2005CN1223526C Method for iodination of water and beverages
09/2005
09/20/2005US6946076 comprises lanthanum glycolate/lactate for precipitation; for use in swimming pools
09/09/2005WO2005082790A1 Method for the biological activation of water
09/07/2005CN1217864C Water treatment method by ozone and chlorine production method by electrolysis of salt
07/2005
07/20/2005CN1211293C Water still and method of operation thereof
06/2005
06/29/2005EP1546044A2 Method and system for desalinating water
06/29/2005EP1078885B1 Material for introducing physiologically-essential inorganic elements into drinkable water
06/22/2005CN1629078A Electrolytic water containing dissolved hydrogen
06/15/2005EP1539645A1 Method and system for heat transfer
06/15/2005CN1206166C Method and apparatus for treating liquids and slurries
04/2005
04/07/2005US20050072740 comprises lanthanum glycolate/lactate for precipitation; for use in swimming pools
03/2005
03/29/2005US6872369 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups
03/22/2005CA2364613C Apparatus for ultraviolet light treatment of fluids
03/09/2005CN1191997C Method for recovering fluorinated alkanoic acids from waste water
03/02/2005EP1230172B1 Method and device for biologically purifying waste water
02/2005
02/23/2005EP1237820B1 Process and system for treatment of waste streams containing water-soluble polymers
02/09/2005CN1188351C Electrolytic hydrogen dissolved water, and method and apparartus of production thereof
01/2005
01/25/2005US6846432 Removal of phosphate from water
01/05/2005EP1493333A1 Composition and method for controlling biological growth using stabilized sodium hypobromite in synergistic combinations
01/05/2005EP1443026A4 Centrifugal deaerator
01/05/2005CN1183043C Apparatus for ultraviolet light treatment of fluids
12/2004
12/29/2004EP1165443B1 Water purification process
12/08/2004CN1178865C Water purification process
11/2004
11/18/2004WO2004089525A3 Composites of zinc phthalocyanine and titanium oxide, for use in photocatalytical processes, and method for their obtention
11/10/2004EP1474364A1 Method and device for desalination of water and removal of carbon dioxide from exhaust gases
11/03/2004EP1194238B1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups
10/2004
10/28/2004US20040213718 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups
10/21/2004WO2004089525A2 Composites of zinc phthalocyanine and titanium oxide, for use in photocatalytical processes, and method for their obtention
09/2004
09/29/2004CN1168669C Method for removal of nano-sized pathogens from liquids
08/2004
08/04/2004EP1443026A1 Centrifugal deaerator
06/2004
06/02/2004EP1335881B1 Process for desalination of seawater
05/2004
05/11/2004US6734326 Method of treating aqueous effluents containing peroxidized compounds
03/2004
03/31/2004CN1486283A Module and module system for treatment of water by ultra-violet radiation
03/03/2004EP1394120A1 Disinfectant
03/03/2004EP1198419B1 Apparatus and method for ultraviolet light treatment of fluids
02/2004
02/25/2004EP1200359B1 Method of decomposing organic compounds in water
02/04/2004CN1137307C Method for treating process water
12/2003
12/04/2003WO2003068690A8 Photo-disinfecting of water
11/2003
11/26/2003CN1128678C Selective separation of iron by treatment with long-exchanging resin comprising diphosphonic acid group
11/13/2003US20030209419 Water still and method of operation thereof
11/12/2003CN1455757A Process for desalination of seawater
09/2003
09/23/2003US6623615 Electrolytic hydrogen dissolved water and method and apparatus of production thereof
09/16/2003CA2137007C Method for removing alkaline sulfate scale
08/2003
08/21/2003WO2003068690A1 Photo-disinfecting of water
08/20/2003EP1335881A1 Process for desalination of seawater
07/2003
07/02/2003EP1323679A2 Material composition for the purification of water containing a peroxo compound
06/2003
06/24/2003US6582602 Characterizing soil and water at location of the contaminated water; accumulating a biomass of selected sulfate reducing bacteria, and introducing biomass into contaminated water via one or more wells at the location of the contaminated water,
06/18/2003CN1424984A Process and system for treatment of wastes streams containing water-soluble polymers
06/17/2003CA2129896C Process, machine and plant for extraction by evaporation of the solid residues of a fluid substance
05/2003
05/28/2003CN1420846A Method for treating aqueous effluents contg. peroxidized compounds
05/08/2003WO2003037800A1 Module for treating liquid media with uv radiation
05/06/2003US6558547 Carrier is an organic ion-exchanger having a porous structure in the air-dry state
04/2003
04/17/2003WO2003031337A1 Centrifugal deaerator
04/16/2003EP1078885A4 Material for introducing physiologically-essential inorganic elements into drinkable water
04/09/2003EP1299315A1 Improved chemical treatment methods and apparatus
04/02/2003CN1104380C Water purifier, especially for domestic use
03/2003
03/11/2003US6531050 Water purification process
02/2003
02/11/2003US6518442 A process for the removal of fluorinated emulsifier acids and salts from a wastewater stream that originates from the making of fluoropolymer, which wastewater stream contains finely divided fluoropolymer solids, the process comprising
01/2003
01/16/2003WO2003004421A1 Water-treating device
01/16/2003US20030010722 Removal of phosphate from water
01/08/2003CN1098216C Process for removing polluting material from water or wet solid matter
01/01/2003CN1097559C Vaporizing and concentration drying apparatus and method
12/2002
12/27/2002WO2002102718A1 Device for ozonising water and method for ozonising water
12/05/2002WO2002096809A1 Device for cleaning water solutions
12/04/2002EP1093441B1 Method for recovering fluorinated alkanoic acids from waste waters
11/2002
11/13/2002CN1379738A Process for reducing concentration of dissolved metals and metalloids in aqueous
10/2002
10/24/2002WO2002083572A1 Disinfectant
10/09/2002CN1092152C Method for removing sulfur compound from water
10/02/2002CN1091749C Method for removing suspended impurities
09/2002
09/24/2002CA2254406C Process for accelerating reaction of ozone with am catalyst
09/17/2002CA2073074C Method for removing hydrocarbon products from the surface of an aqueous medium
09/11/2002EP1237820A1 Process and system for treatment of waste streams containing water-soluble polymers
09/11/2002CN1368941A Water still and method of operation thereof
09/04/2002CN1367716A Selective separation of iron by treatment with lon-exchanging resin comprising diphosphonic acid groups
08/2002
08/14/2002EP1230174A1 Method for treating aqueous effluents containing peroxidized compounds
08/14/2002EP1230172A1 Method and device for biologically purifying waste water
08/07/2002EP1228005A1 Process for reducing the concentration of dissolved metals and metalloids in an aqueous solution
07/2002
07/03/2002CN1356963A Method of decomposing organic compounds in water
06/2002
06/26/2002EP1216963A2 Process of olive mill waste water phytodepuration and relative plant
06/18/2002CA2039333C Waste incineration process
05/2002
05/29/2002EP1209125A2 Process for recovering fluorinated akanoic acids from wastewater
05/29/2002EP1208066A2 Water still with pervaporation membrane and method of operation thereof
05/29/2002EP1042228A4 Method and apparatus for treating liquids and slurries
05/29/2002CN1351574A Method for removal of nano-sized pathogens from liquids
05/14/2002US6387266 Method of sewage biological purification and an equipment for performing this method
05/14/2002CA2023415C Process for purifying the effluent from urea production plants
05/02/2002WO2002034676A1 Method for integrated water treatment
05/02/2002EP1200359A1 Method of decomposing organic compounds in water
04/2002
04/24/2002EP1198419A1 Apparatus for ultraviolet light treatment of fluids
04/10/2002EP1194238A1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups
04/10/2002CN1344229A Water purification process
04/03/2002EP0626931B2 Process, machine and plant for extraction by evaporation of the solid residues of a fluid substance
02/2002
02/27/2002CN1337922A Apparatus for ultraviolet light treamtent of fluids
02/27/2002CN1079781C Method for clarification of emulsified oil from oil field water
02/13/2002EP1178946A1 Method for removal of nano-sized pathogens from liquids
02/07/2002US20020014455 Method for purifying contaminated underground water