EP 1141445 A1 20011010 - METHOD FOR DECONTAMINATING THE SURFACE OF A COMPONENT
Title (en)
METHOD FOR DECONTAMINATING THE SURFACE OF A COMPONENT
Title (de)
VERFAHREN ZUR DEKONTAMINATION EINER OBERFLÄCHE EINES BAUTEILES
Title (fr)
PROCEDE DE DECONTAMINATION D'UNE SURFACE D'UN ELEMENT
Publication
Application
Priority
- DE 9903489 W 19991102
- DE 19851852 A 19981110
Abstract (en)
[origin: US2001031320A1] A method for decontaminating a surface includes the steps of bringing a surface of a component formed of an unalloyed steel or a low-alloy steel into contact with a solution containing an oxalic acid for dissolving a contaminated layer from the component. Ions of divalent iron in the solution instantly form a protective layer on exposed surfaces. Iron(III) oxalate is converted into iron(II) oxalate and carbon dioxide by irradiation with UV light in order to provide ions of divalent iron. Subsequent to dissolving the contaminated layer, the protective layer is dissolved by lowering the level of the ions of the divalent iron in the solution. The ions of the divalent iron and the substance having caused the contaminated layer are bound to an ion exchange resin.
IPC 1-7
IPC 8 full level
G21F 9/28 (2006.01); C23G 1/04 (2006.01); C23G 1/08 (2006.01); G21F 9/00 (2006.01); G21F 9/12 (2006.01)
CPC (source: EP KR US)
C23G 1/08 (2013.01 - KR); C23G 1/088 (2013.01 - EP US); G21F 9/004 (2013.01 - EP US); G21F 9/12 (2013.01 - EP US)
Citation (search report)
See references of WO 0028112A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
US 2001031320 A1 20011018; US 6444276 B2 20020903; AT E234374 T1 20030315; CA 2350214 A1 20000518; CA 2350214 C 20070501; DE 19851852 A1 20000511; DE 59904578 D1 20030417; EP 1141445 A1 20011010; EP 1141445 B1 20030312; ES 2192407 T3 20031001; JP 2002529719 A 20020910; JP 4421114 B2 20100224; KR 100637950 B1 20061023; KR 20010080408 A 20010822; MX PA01004773 A 20020506; TW 436815 B 20010528; WO 0028112 A1 20000518
DOCDB simple family (application)
US 85426001 A 20010510; AT 99960849 T 19991102; CA 2350214 A 19991102; DE 19851852 A 19981110; DE 59904578 T 19991102; DE 9903489 W 19991102; EP 99960849 A 19991102; ES 99960849 T 19991102; JP 2000581275 A 19991102; KR 20017005913 A 20010510; MX PA01004773 A 19991102; TW 88119476 A 19991108