ORNL-4191 - the Molten Salt Energy Technologies Web Site
ORNL-4191 - the Molten Salt Energy Technologies Web Site
ORNL-4191 - the Molten Salt Energy Technologies Web Site
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12 . SEPARtZTION OF FISSION PRODUCTS ANI) OF' PROTACTINIUM FROM<br />
MOLTEN FLUORIDES .....................................................................................................................<br />
12.1 Extraction of Protactinium from <strong>Molten</strong> Fluorides into <strong>Molten</strong> Metals ....................................<br />
12.2 Stability of Protactinium-Bismuth Solutions Contained in Graphite ........................................<br />
12.3 Attempted Electrolytic Deposition of Protactinium .............................................................<br />
12.4 Protactinium Studies in <strong>the</strong> High-Alpha <strong>Molten</strong>-<strong>Salt</strong> Laboratory ................................................<br />
Reduction of Iron Dissolved in <strong>Molten</strong> LiF-ThF, ............................. ...................................<br />
Thorium Reduction in <strong>the</strong> Presence of an Iron Surface (Biillo Process) .................................<br />
Thorium Reduction Followed by Filtration ...............................................................................<br />
Conclusion ......................................................................................................................................<br />
12.5<br />
12.6<br />
vi<br />
MSBIi Fuel Reprocessing by Reductive Extraction into <strong>Molten</strong> Bismuth ................................<br />
Reductive Extraction of Cerium from LiF-BeF, (66-31 Mole X) .into Pb-Bi<br />
. .<br />
Eutectic Mixture ...........................................................................................................................<br />
13 . BEHAVIOR OF BF, AND FLUOROBORATE MIXTURES ..................................................................... 158<br />
13.1 Phase Relations in Fluoroborate Systems ................................................................................. 158<br />
13.2 Dissociation Vapor Pressures in <strong>the</strong> NaBF,- NaF System .......................................................... 159<br />
13.3 Reactions of Fluoroborates with Chromium and O<strong>the</strong>r Hastelloy N Constituents .................. 161<br />
Apparent Mass Transfer of Nickel .................................................................................................. 163<br />
13.4 Reaction of BF, with Chromium Metal at 650°C .................... .............................................. 163<br />
13.5 Compatibility of BF', with Gulfspin-35 Pump Oil at 150°F ........................................................ 164<br />
14 . DEVELOPMENT AND EVALUATION OF ANALYTICAL METHODS FOR<br />
MOLTEN-SALT REACTORS ......................................................................................................<br />
14.1 Determination of Oxide in MSRE <strong>Salt</strong>s ............................................................<br />
14.2 Determination of U3' in Radioactive Fuel by a Hydrogen Reduction Method .......<br />
14.3 In-Line Test Facility .............................................. .......................................................<br />
14.4 Electroreduction of Uraniurn(1V) in <strong>Molten</strong> LilF-EeF,-ZrF, at Fast Scan Rates<br />
..<br />
and Short Transition Times ..........................................................................................................<br />
14.5 Spectrophotometric Studies of <strong>Molten</strong> Fluoride <strong>Salt</strong>s ........................................ ...............<br />
14.6 Analysis of Off-Gas from Compatibility Tests of MSRE Pump Oil with BF, ..........................<br />
14.7 Development of a Gas Chromatograph for <strong>the</strong> MSKE Blanket Gas ..........................................<br />
PART 4 . MOLTEN-SALT IRRADIATION EXPERIMENTS<br />
148<br />
148<br />
149<br />
151<br />
1.53<br />
153<br />
153<br />
154<br />
154<br />
154<br />
15 . MOL'1'EN-SALT CONVECTION LOOP IN THE ORR .............................................................................. 176<br />
15.1 Loop Description ....... ................................................................................................................. 176<br />
15.2 Operation ............................................................................................................................................ 177<br />
15.3 Operating Temperatures ....... ..................................................................................... 179<br />
15.4 <strong>Salt</strong> Circulation by Convection ..................................................................................................... 180<br />
15.5 Nuclear Heat, Neutron Flux, and <strong>Salt</strong> Power Density ................................................................ 180<br />
15.6 Corrosion .......................................................................................................................................... 181<br />
156<br />
166<br />
167<br />
167<br />
169<br />
169<br />
171<br />
172<br />
172