Proceedings of the Second CSNI Workshop on Iodine Chemistry in Reactor Safety : Toronto, Canada, 1988 June 2-3

340 Pages·1988·13.07 MB·English

by  OECD Nuclear Energy Agency. Committee on the Safety of Nuclear Installations., A C Vikis, Atomic Energy of Canada Limited., Ontario Hydro

[ Ancives |
AECL-9923

CSNI-149
ATOMIC ENERGY ENERGIE ATOMIQUE
OF CANADA LIMITED DU CANADA LIMITEE

PROCEEDINGS OF THE
SECOND CSNI WORKSHOP
ON IODINE CHEMISTRY
IN REACTOR SAFETY

Organized under the auspices of the
OECD Nuclear Energy Agency,
Committee on the Safety of Nuclear Installations

and

Hosted by Atomic Energy of Canada Limited
and Ontario Hydro
‘Toronto, Canada

1988 June 2.3

Edited by A. C, Vikis

1989 March
Copyright © Atomic Eneray of Canada Lite, 1985,
‘ABCL-9923/0SHT-149,

PROCEEDINGS OF THE
SECOND CSNI WORKSHOP
ON IODINE CHEMISTRY
IN REACTOR SAFETY

‘Organized under the auspices of the
‘OECD Nuclear Energy Agency,
Committee on the Safety of Nuclear Installations

and

Hosted by Atomic Energy of Canada Limited
and Ontario Hydro

Toronto, Canada
1988 June 2-3

Edited by A.C. Vikis
.EGAL NOTICE

Atomic Energy of Canada and the Organization for Boomomic Co-Operation
and Development assume no ligbility concerning information published in
hese proceedings,

EDITORIAL NOTE

In preparing these proceedings, the original manuscripts, as submitted by the
authors, were used without further editorial changes.
FOREYORD

‘The Second USNT Workshop on Iodine Chexietry tn Reactor Safoty vas held in
‘Toronto, Canada, on 1998 June 2 and 3. The Vorkshop was hosted by Atonic
Trecgy of Canada Linited (AECL) and Ontario Rydro, and was attended by about
forty iodine experts fron ten OECD countries. Nineteen researeh papers vere
pregented on various agpects of iodine chentetry, ranging form the most
fundamental to the moat applied. These papers and the ensuing discussions
indfeate that substantiel progress was made in understanding the chemistry
df fedine in vater-cooled pover-reactor accidents. The Vorkshop vas @ most
effective forum for exchanging information on ney progress and for
Gelineating problens requiring resolution.

Az Chaiewan of the Yorkshop, I vich to thank the authors vio have wade this
Workshop possible vith their excellent contributions; the Program Committee,
namely Dr. B.C. Beaba (USA), Dr. ¥.N. Clovgh (IX), Dr. U. Norell (FRG),

Be. PAR, Potter (UK) and Dr. J. Royer (OECD) for preparing the programs and
the sasston Chairmen for cunning the Yorkshop. Also, 1 vould ike to
acknovledge Mr. Kul, Fluke (Ontario Hyéro) for his assistance vith local
arrangenants and Dr. U. Kupferachwidt (APCL), Nr. A. Melnyk (ABCL) and

Neo. Gud. Robeig (AECL) for thelr assistance in organizing the Vorkshop and
preparing these proceedings.

ALG. VIRL
Chairman, Second GSN Yorkshop
on Todine Chesistry {n Reactor Satety

FOREVORD - A.C. Vikis
INTRODUCTION AND BRIEF DESCRIPTION OF CSNI - J. Royen

'VORESHOP SIROURY RECOMMENDATIONS

1 KINETICS AND MECHANISMS
Chairaan: PLE. Potter ond K. Tahigure

KINETICS Of IODINE HYDROLYSIS 18 UNBUFFERED SoLUTTONS,
Donald A. Palner and L.J. Lyons, Oak Ridge National
Laboratory, U.S.A.

RADIOLITIG AND SURFACE REACTIONS OF DILUTE TODINE
SOLYTIONS, ¥.G. Burns, Mc. Kent, VR. Harsh, P.2. Potter
and HE. Sins, Barwell Laboratory, U-K.

FAGTORS AFFECTING RADIOLYSIS OF DILUTE, TODIRE
SOLBTIONS, K. Tshiguce and 4. Shiraishi, University
of Tokyo, JAPAN.

THE EADIATION-ZRDUCED FORMATION OF IODOALKARES ARD
THE BADTOLISIS OF TODOMETHANE, J. Paquette and
BLL. Pord, Atomte Bnergy Of Canada, CANADA

AQUEOUS IODINE AT LOW CONCENTRATIONS AND HIGH
TENPERATURES, §.R. Daish, ¥.C. Beahm and ¥.R. Shockley,
Oak, Rdge ational laboratory, U.S.A.

aN EXPERIMENTAL STUDY OP RADIOIODINE VOLATILITY,
Gu. vane and R.£. Jarvis and $.M, Mirbod, Univereity
of Toronto, CANADA.

‘TUE IWPLVENCR OF RADIATSON ON THE STABILITY OF CSI
IM PLOYIEG STRAM, D.J. Wren, R.R. Rondeau and ¥.C. Fellov,
Atopic Energy Of Canade Liaited, CANADA

DISCUSSION ON SESSIOR I

continued
CONTENTS (coatinved)

1, THERMODYNAMIC MEASUREMENTS:
Ghairesa: F.C. Beaho

OW THE EXISTENCE OF IODIDE BORATE COMPILERS IN SATURATED
STRAM, D.J. Turner, Cental Electricity Research Laboratory, U-K.

IODINE DISPROPORTIONATTON BOUILIERIA UP 70 300°C,
P-P.S. Saluje, Atomic Bnergy Of Canada Limtted, CANADA.

Il, REVOLATILIZATION STUDIES
Chairman: £.C. Beahn

TODINE VOLATILITY FROM EVAPORATING PRIMARY COOLANT
FILMS TY STEAM ATHOSPUREES, —3.J. Handy, and D.G. Jones,
National Muclesr Corporation Limited, U.K:

REVOLATILISATION OP FISSION PRODICIS, ESFECIALLT
IODINE, FROM WATER PHASES EVAPORATING TO DREWESS,
X, Porter and 7, Bohler-Gloor, Paul Scherre
Tustitute, Seitzerland

DISCUSSIONS ON SESSIONS IT AND TIT

I¥, MODEL/CODE DEVELOPMENT
Chairmen: ¥, Hotell

‘COMPUTER MODELLING OF THK RADIATION CHENISTEY OF
AQUEOUS TODIDE SOLUTIONS 1¥ LABORATORY CONDTTTONS
AND I 4 PYR LOCA SING THR FACSIMILE CONPUTER PROGRAM,
W.G. Burns and A.B. Sims, Harvell Laboratory, U.K.
ONTENTS (caneluded)

WopRLLING THE CHEMISTRY OF YODINE, J. Paquette,
‘Atomle Energy of Canada Linited, CANADA,

RADIOLTSES OF IODINE 1A MOIST ATR: A COMPUTER STUDT,
Nuk. Sagert, Atonte Bhergy of Canada Limited, CANADA:

GHEAISTRY AND MASS TRANSPORT OF TODINE BERAYIOR
I CONTAYOWENT, Buc. Beahn, C.F, Veber,

18. Reass, WB. Shockley and S.R. Daish, Gak Ridge
Rational Laboratory, U.5-A-

DISCUSSIONS ON SESSION 17

¥, LARGE-SCALE TESTS/OTHER

Chatramn: M. Farrer

AEASUREMENTS OF RADIOIOIDINE SPECTES IN SAMPLES OF
PRESSURIZED WATEE REACTOR COOLANT, aul C. Viollequé,
Sefence Applications International Corporation, W.8.A.

‘A DESCRIPTION OP THE RADIOIODIOE TEST PACILITY (RTP)
AND RESULTS OP IWITZAL BYP PULL-SYSTEM TESTS,

V.C.H. Kupferschaidt, R. Portaan and G.C. Sanipelli,
Atomlé Energy of Canada Linited, CANADA.

SHORT PRESENTATION OF PHBRUS-PP, C. Buber,
Centre d’Etades Nucléatres de Cadarache, FRANCE.

PLANNRD YORK AT JAERT FOR TODIME CHEATSTRY DURING

REACTOR ACCIDENT, H. Saeki, Japan Atomde Energy
Research Taotitute, JAPAN.

LIST OF PARTICIPANTS