ORNL-4191 - the Molten Salt Energy Technologies Web Site

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2 a STATIC -~ -0 AGITATED A AVERAGE A SALT (AS BI EQUIVALENT) (()' I .......... ...... ~~1 ~ I I 1 ..... 1 ........ ~ .... 1 - 150 I- ..... -1- 1 0 10 20 30 40 50 60 70 TIME (days1 Fig. 12.3. Stability of Solutions of Protactinium in Bismuth. Behavior of this sort cannot be explained by a simple mechanism. However, slow reversible ad- sorption (negligible at high temperature) followed by irreversible diffusion into a solid (but oxidizable) phase is consistent with the data. This phase does not seem to be the thorium-bismuth intermetallic. After the cooling step, the metal samples, which were taken with an open dipper, tended to show more protactinium when the liquid metal was being stirred vigorously, suggesting that the protactinium was on a dispersed phase rathcr than on the vessel walls. Strips of various metals were immersed for 5 min and 2 hr in the bismuth to see how much protactinium was adsorbed; results are shoyqil in Table 12.1. When the metals were dipped directly into bismuth, niobium picked up the most protactinium, with beryllium, iron, and carbon picking up less (carbon, milch less). Ad- sorption on iron reached about onethird of its 2-hr
x Metal 151 Table 12.1. Adherence of Protoctinium to Metul Samples at 725°C Pa on Metal Bi Equivalent to Expos ure Area (counts/min) Pa in Bi Countk of Pa (9) .....--. ~ Time (cm2) (counts min-' E-*) Total Per
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c c c Contract No. W-.740 5-eng- 26
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, INTRODUCTION ....................
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7 . SYSTEMS AND COMPONENTS DEVELOPM
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. 15.7 Oxygen Analysis ............
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i The objective of the Molten-Salt
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PART 1. MOLTEN-SALT REACTOR EXPERIM
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PART 2. MSBR DESlGN AND DEVELOPMENT
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especially when the system is stabi
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generated species in molten fluorid
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cold leg. The second loop, of Naste
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Part 1. Molten-Salt Reactor Experim
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was at full power continuously exce
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Analysis and details of operations
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1.2 REACTlVlTY BALANCE J. R. Engel
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alance results during this time sho
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II_- - 23 Table 1.2. MSRE Cumulotiv
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4 2 5 10 20 transient that followed
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27 Fig. 1.13. Motor of Reactor Cell
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personnel access to the area where
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accumulation rate at present indica
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The retrieval of the sample latch w
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The moisture condensed from the cel
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MSRE, details of some of the equipm
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39 Fig. 2.2. General View of Latch
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c 41 Table 2.1. Radiation Levels Fo
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significantly, indicating clearly t
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2.5 PUMPS P. G. Smith A. G. Grindel
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3.1 MSRE OPERATING EXPE RI ENCE C.
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The rate-of-fill interlocks, includ
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16 15 44 (3 42 I1 9 51 LLETHARGY 8
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shown as solid points in Fig. 4.1 (
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These are the results of two-dimens
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. r. ~ ~ ~ Fig. 4.8. Axiol Distribu
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. 59 Fig. 4.10. Axial Distribution
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- 12 0.0 $ 04 Lo ... z ? I- ;s -04
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Part 2. MSBR Design and Development
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ather than just the core and to pro
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A . 9.
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0 2 4 6810 LLLLLLU 1 INCHES COOLING
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however, electric heaters are provi
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I 43ft 3in REACTOR ’ t 40in. ! 3i
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of machining or close tolerances. T
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GASCONN I GAS SKIRT 4ft 8in. OD 19f
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271 TIRES 2%. A PITCH L- STEAM (la
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6.1 MSBR PHYSICS ANALYSIS 0. L. Smi
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4 V S; 0.06 v F 2.25 2.24 2.23 2.22
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0 8 6 4 7- 4=H20 SPECTRUM 2=D20 SPE
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chief indicators of performance. Th
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Work related to the Molten-Salt Bre
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I- 92 -Clt NO ClRCUl ATING BUBBLES
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L- a w r 94 ORNL-OWG 67-(1815 io‘
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about 500 mm Hg at the test operati
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1 I 1 I 1 98 MOTOR COUPLING dWER BE
Page 110 and 111: head and flow characteristics of th
Page 112 and 113: The chemical research and developme
Page 114 and 115: 0 'i! m 0 w m d m w 0 W m 9 4 w lx
Page 116 and 117: Sample Nc. F312-10 FPi2-1: FP12-12
Page 118 and 119: ~. 108 Table 8.2. Chemical Analyses
Page 120 and 121: tenfold or more as a consequence of
Page 122 and 123: mechanism is available which satisf
Page 124 and 125: An additional purpose of sampling w
Page 126 and 127: 9. Fission Product Behavior in the
Page 128 and 129: een stripped is more nearly 50% of
Page 130 and 131: E > 0 12.0
Page 132 and 133: (014 5 2 4 o~~ 40" 5 2 5 - BLANK -~
Page 134 and 135: loi3 5 2 40’2 E : 5 m L al a 0) i
Page 136 and 137: 126 Table 9.4, Fission Product Depo
Page 138 and 139: Table 9.7- Approximate Fission Prod
Page 140 and 141: (e.g., in metallic colloidal aggreg
Page 142 and 143: SAMPLES in. DlAM X t'46 in. ,,/NOR-
Page 144 and 145: c( 0 c c 0 134
Page 146 and 147: 10.1 OXIDE CHEMISTRY OF ThF,-UF, ME
Page 148 and 149: BeF, in 2LiF 13eF,, this partial pr
Page 150 and 151: (up to one week) the transparency o
Page 152 and 153: The appearance in appreciable conce
Page 154 and 155: MoF3 e h l o .... ~~ .... Mo t MoF,
Page 156 and 157: i observed peak heights for Mo 2F9
Page 158 and 159: 12.1 EXTRACT] ROTACTlNlUM FROM ever
Page 162 and 163: to the end of the nickel anode. A m
Page 164 and 165: centration (97% removed). The distr
Page 166 and 167: point marked with a cross is the va
Page 168 and 169: 13. FB u orate 13.1 PHASE RELATIONS
Page 170 and 171: THERMOCOUPI-F FURNACE I TO VACUUM O
Page 172 and 173: Cr Metal Hastelloy N Fe Mo ~ 162 Ta
Page 174 and 175: - 0 0.44 0.40 0.36 0.32 .- + z 0.28
Page 176 and 177: . Development and E aluation of for
Page 178 and 179: Sample No. M Wil 1 FP-9-4 FP-10-25
Page 180 and 181: LJ !+€AD POT I I I I I I I I 1 I
Page 182 and 183: This uranium species disappeared sl
Page 184 and 185: 174 BI I - CARRIER - ...... -+ SAMP
Page 186 and 187: olten- I rr Molten-salt breeder rea
Page 188 and 189: I COLD LEG RETURN LIN 178 CORE OUTL
Page 190 and 191: March 17 following the fission prod
Page 192 and 193: Table 15.3. Comparison of Values fo
Page 194 and 195: likely cause of failure is the rapi
Page 196 and 197: 186 Fig. 15.6. Inner Surfoce of Col
Page 198 and 199: 188 Fig. 15.8. Inner Surface of Cor
Page 200 and 201: on final salt samples. 'This value
Page 202 and 203: P c9 P 082 P 8'ZF P 1.11 .c OF P S0
Page 204 and 205: HFIR FUEL ELLEMENT ,EXPERIMEUT 194
Page 206 and 207: Our materials program has been conc
Page 208 and 209: 198 SPLIT STRAP SLEEVE BAND (a) S F
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others, but all three stringers in
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- Y) a - 70 60 50 40 (0 m 30 + m 20
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204 Fig. 16.7. Photomicrographs of
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206 Fig. 16.9. Photomicrographs of
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AXF-5QRG 4-4 4 a9g/rm3 4f 56 % ~ AX
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Carbon Corporation, Poco Graphite,
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was found. In view of the low react
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SIC TEMPERATURE STAINLESS STEEL TUB
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18.1. IMPRQVING THE RESISTANCE are
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These aging studies will be expande
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221 Fig. 18.3. Hastellay N Containi
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Fig. 18.5. Hasvellcy N (Titanium Mo
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ORWL-DWG 67-tIP39 !-in -THICK PLATE
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227 Toble 18.3. Thermal Convection
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229 ORNL-DWG 67-io980 Impurity Anal
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231 Fig. 18.16. Hastelloy N Thermal
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time what the effective diffusiviti
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Figure 18.20 shows an area near the
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The third design, which is also a d
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Part 6. Molten-Salt Processing and
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that the behavior of the rare-earth
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22. Distillation of MSRE Fuel Carri
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23. Steady-State Fission Product Co
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sec (50 hr). These latter residence
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analysis of filtered samples and th
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25. Modifications to MSRE Fuel Proc
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nickel line through a sintered meta
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1. R. K. Adams 2. G. M. Adamson 3.
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344. E. H. Taylor 345. W. Terry 346
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