“…4.9. Strontium partial pressure over37-to 74-ym grain H-327 graphite TS-688 and HLM-85, were studied, and the two sets of data are in reasonable agreement. 140 In view of the fact that 12.…”
mentioning
confidence: 82%
“…Extensive work has been performed at Oak Ridge National Labora-(23,28, [36][37][38][39][40] ^ ,, ^ ,^, . (30,41-43) , ^" ., (44) tory, at Gulf General Atomic, and at Harwell to study the deposition of iodine on steel surfaces.…”
Section: Primary Coolant Circuit Plateout Of Iodinementioning
“…4.9. Strontium partial pressure over37-to 74-ym grain H-327 graphite TS-688 and HLM-85, were studied, and the two sets of data are in reasonable agreement. 140 In view of the fact that 12.…”
mentioning
confidence: 82%
“…Extensive work has been performed at Oak Ridge National Labora-(23,28, [36][37][38][39][40] ^ ,, ^ ,^, . (30,41-43) , ^" ., (44) tory, at Gulf General Atomic, and at Harwell to study the deposition of iodine on steel surfaces.…”
Section: Primary Coolant Circuit Plateout Of Iodinementioning
“…Iodine can be absorbed by metallic surfaces which will act, therefore, as an iodine reservoir. Studies on iodine reaction, in the gaseous phase, at various temperatures [14] with pure metals [15][16][17][18][19][20], stainless steels [21][22][23][24][25] and oxides [20][21][22][23][24][25][26] Brought to you by | New York University Bobst Library Technical Services Authenticated Download Date | 5/28/15 2:03 PM show that strong interactions exist between iodine atoms and various metals.…”
Section: Iodine Behavior During Nuclear Reactor Cold Shutdownmentioning
Iodide ions I − , molecular iodine I 2 and iodate ions IO 3 − absorption has been studied on the three alloys which are present, in majority, in french nuclear reactors: Inconel 600, Zircaloy and 304 L stainless steel. Iodide and iodate anions are not absorbed on the three considered alloys and contribute only for a negligible quantity to iodine retention on the nuclear reactors materials. Molecular iodine is absorbed according to: 304 stainless steel < Zircaloy < Inconel 600Influence of pH has been studied: absorption increases in acidic medium and decreases in basic medium. Molecular iodine absorption increases with temperature. Phenomenons which occur with iodine during the cold shutdown of a nuclear reactor and during its restart are discussed from the point of vue of iodine volatilization risk.
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