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NKS Programme Area:
NKS-R
Research Area:
Severe accidents and Reactor Physics
Report Number:
NKS-42
Report Title:
Formation and behaviour of organic iodine
Activity Acronym:
SOS-2.3
Authors:
Riitta Zilliacaus, Pentti Koukkari, Timo Karjunen, Heikki Sjövall
Abstract:
The report presents experimental studies on the formation of organic iodine in
severe reactor accidents. The analyses were performed to evaluate the amount
of alkaline chemical needed for effective pH control of containment water during
the accidents. The formation of organic iodine in solutions used in the filtered
venting system and the absorption of iodine compounds in the solutions were
studied. Experiments for the formation of organic iodine on painted surfaces
were also performed.