ORNL-4396: Feb 1969 Progress Report
MOLTEN-SALT REACTOR PROGRAM
SEMIANNUAL PROGRESS REPORT
For Period Ending February 28, 1969
- MSRE OPERATIONS
- 1.1 Chronological Account of Operations and Maintenance
- 1.2 233U Zero-Power Tests
- 1.3 Operations Analysis
- 1.4 Equipment
- COMPONENT DEVELOPMENT
- 2.1 Freeze-Flange Thermal-Cycle Test
- 2.2 Pumps
- 2.2.1 Mark 2 Fuel Pump
- 2.2.2 Oil Pump Endurance Test
- INSTRUMENTATION AND CONTROLS
- 3.1 MSRE Operating Experience
- 3.2 Controls System Design
- 3.3 MSRE Computer System
- MSRE REACTOR ANALYSIS
- 4.1 Long-Term Isotopic Changes and Reactivity Effects During Operation with 233U
- 4.2 Analysis of Zero Power Rod-Calibration Experiments
- 4.3 Calculations of Reactivity Variations from Power-Time Records
- 4.4 Theoretical Analysis of Dynamics with 233U Fuel
PART 2. MSBR DESIGN AND DEVELOPMENT
- DESIGN
- 5.1 General
- 5.2 Plant Layout
- 5.3 Reactor
- 5.4 Primary Heat Exchangers
- 5.5 Steam Generator and Superheater
- 5.6 Steam Reheater
- 5.7 Removal of Reactor Afterheat
- 5.8 Distribution of Noble-Metal Fission Products and Their Decay Heat
- 5.9 Reactor Temperatures, Flows, and Heat Transfer
- 5.10 Estimated Costs of 1000 MWe MSBR Power Station
- 5.11 MSBE Design
- REACTOR PHYSICS
- 6.1 Physics Analysis of MSBR
- 6.2 Physics Analysis of MSBE
- 6.3 MSBR Experimental Physics
- SYSTEMS AND COMPONENTS DEVELOPMENT
- 7.1 Off-Gas System
- 7.2 Noble-Gas Migration in the MSBR
- 7.3 Bubble Generator
- 7.4 Bubble Separator
- 7.5 Molten-Salt Steam Generator Test Stand
- 7.6 Sodium Fluoroborate Circulating Test Loop
- 7.7 MSBR Pumps
- 7.8 Remote Welding
- MSBR INSTRUMENTATION AND CONTROLS
- 8.1 Control System Analysis
- 8.2 Calculations of Neutron Decay After Shutdown
- 8.3 Dynamic Analysis of MSBR Steam Generator
- 8.4 High-Temperature Resistance Thermometer Evaluation
- HEAT TRANSFER AND THERMOPHYSICAL PROPERTIES
- 9.1 Heat Transfer
- 9.2 Thermophysical Properties
- 9.3 Mass Transfer to Circulating Bubbles
PART 3. CHEMISTRY
- CHEMISTRY OF THE MSRE
- 10.1 A Material Balance for the MSRE Fuel Salt
- 10.2 MSRE Fuel Circuit Corrosion Chemistry
- 10.3 Adjustment of U3+/sigmaU Concentration of the MSRE Fuel Salt
- 10.4 Examination of Simulated MSRE Fuel Mixture for Foam-Producing Properties
- 10.5 Foaming Behavior in Molten Salts
- FISSION PRODUCT BEHAVIOR
- 11.1 Fission Product Behavior in the MSRE
- 11.2 Fission Product Volatilization Tests
- 11.3 Laboratory Tests on Aerosol Formation Over Molten Salts and Transfer of
- Niobium from Salt to Bismuth
- 11.4 The Chemistry of the Noble Fission Product Fluorides
- PHYSICAL CHEMISTRY OF MOLTEN SALTS
- 12.1 CeF3 Solubility in Molten Mixtures of LiF, BeF2, and ThF4
- 12.2 Correlation of CeF3 Solubility with Solvent Composition
- 12.3 Zone Melting of Fluoride Salts
- 12.4 Behavior of CeF3 in the Fractional Crystallization of ThF4 from LiF-BeF2 -ThF4 Melts
- 12.5 Properties of the Alkali Fluoroborates
- 12.6 Limits of Miscibility in Molten Salt Systems: KBF4-LiF, Li2BeF4-KI, and Li2BeF4-KBF4
- 12.7 Solubility of Thorium Metal in Molten Lithium Fluoride-Thorium Fluoride Mixtures
- 12.8 The Crystal Structure of KBF4
- 12.9 Densities of Molten Salts
- 12.10 Spectroscopy of Fluoride Media
- 12.11 The Distribution of U4+ Between Molten LiF-BeF2 ThF4-UF4
- and a (U-Th)O2 Solid Solution
- 12.12 An Ni-NiO-BeO Electrode as a Reference Electrode in Molten Fluorides
- 12.13 Emf Measurements with Concentration Cells with Transference in Molten
- Mixtures of LiF and BeF2
- 12.14 Electrical Conductance of Molten KNO3
- 12.15 Electrical Conductance of Molten Beryllium Fluoride
- CHEMISTRY OF MOLTEN-SALT REACTOR FUEL REPROCESSING TECHNOLOGY
- 13.1 Simultaneous Extraction of Zirconium and Uranium and of Zirconium and Protactinium
- 13.2 Protactinium Studies in the High Alpha Molten-Salt Laboratory
- 13.3 Further Studies of the Reductive Extraction of Protactinium from Single-Fluid MSBR Fuel Salt by Thorium in Molten Bismuth
- 13.4 Reductive Extraction of Rare Earths from Molten Mixtures of LiF, BeF2, and ThF4 into Bismuth
- 13.5 Metal Phases Other than Bismuth for Rare-Earth Extraction
- 13.6 Separation of Cerium from Thorium in Bismuth by Cold Zone Deposition of
- Thorium Bismuthide
- 13.7 Extraction of Thorium by Electrolytic Reduction into Flowing Liquid Lead from Molten Mixtures of LiF, BeF2, ThF4, and Rare-Earth Fluorides
- DEVELOPMENT AND EVALUATION OF ANALYTICAL METHODS FOR MOLTEN-SALT REACTORS
- 14.1 Determination of Oxide in MSRE Fuel
- 14.2 Determination of the Oxidation State of Constituents of MSRE Fuel
- 14.3 Emf, Voltammetric, and Spectrophotometric Measurements on the
- U(IV)/U(III) Couple in Molten LiF-BeF2 -ZrF4
- 14.4 Emf Measurements in Molten Fluorides
- 14.5 Development of a Molten-Salt Spectrophotometric Facility for Hot-Cell Use
- 14.6 Absorption Spectra of 3d Transition-Metal Ions in Molten LiF-BeF2
- 14.7 Effect of Reductants on Metal-Fluoride-Salt Wetting Behavior
- 14.8 Determination of Contaminants in the Blanket Gas of NaBF4 Tests
- 14.9 Determination of Bismuth in MSRP Salts
PART 4. MOLTEN-SALT IRRADIATION EXPERIMENTS
- MOLTEN-SALT CONVECTION LOOP IN ORR
- 15.1 Studies of Surface Wetting of Graphite by Molten Salt
PART 5. MATERIALS DEVELOPMENT
- MSRE SURVEILLANCE PROGRAM
- 16.1 Examination of Particles Removed from Pump Bowl with Magnets
- GRAPHITE STUDIES
- 17.1 Fundamental Studies of Radiation Damage Mechanisms in Graphite
- 17.2 Graphitization Chemistry and Binder System Development
- 17.3 Hot Pressing of Graphite Pellets Using Various Binders
- 17.4 Procurement and Physical Property Measurements on New Grades of Graphite
- 17.5 Physical Properties of Graphites
- 17.6 X-Ray Studies
- 17.7 Electron Microscopy of Graphite
- 17.8 Gas Impregnation of Graphite with Carbon
- 17.9 Graphite Irradiation in HFIR
- 17.10 Calculation of Lifetime and Induced Stresses in MSBR Cores
- HASTELLOY N
- 18.1 Influence of Titanium and Carbon on the Mechanical Properties of Nickel-Base Alloys
- 18.2 Aging of Modified Hastelloy N
- 18.3 Influence of Irradiation Temperature on the Creep-Rupture Properties of Hastelloy N
- 18.4 Electron Microscopy Studies
- 18.5 Measurement of Residual Stresses in Hastelloy N Welds
- 18.6 Corrosion Studies
- 18.7 Forced Convection Loop
- 18.8 Oxidation of Hastelloy N
- SUPPORT FOR CHEMICAL PROCESSING
- 19.1 Graphite-Hastelloy N Transition Joint Development
- 19.2 Development of Corrosion-Resistant Brazing Alloys for Molybdenum
- 19.3 Examination of Mo-TZM Capsule
- 19.4 Bismuth Corrosion Studies
- SUPPORT FOR COMPONENTS DEVELOPMENT PROGRAM
- 20.1 Remote Welding Development
- 20.2 Thermal Cycling Tests on Coated Bearing Specimens
PART 6. MOLTEN-SALT PROCESSING AND PREPARATION
- FLOWSHEET ANALYSIS
- 21.1 Proposed Reductive Extraction Processing Flowsheet for a Single-Fluid MSBR
- 21.2 Protactinium Removal from a Single-Fluid MSBR
- 21.3 Removal of Rare Earths from a Single-Fluid MSBR
- 21.4 Material Balance Calculations
- MEASUREMENT OF DISTRIBUTION COEFFICIENTS IN MOLTEN-SALT-METAL SYSTEMS
- 22.1 Extraction of Uranium, Zirconium, Protactinium, and Plutonium from
- Single-Fluid MSBR Fuels
- 22.2 Solubility of Protactinium in Bismuth
- 22.3 Extraction of Thorium and Rare Earths from Single-Fluid MSBR Fuels
- 22.4 Metal Transfer Process Studies
- 22.5 Effect of Other Components on the Solubility of Thorium in Bismuth
- ENGINEERING DEVELOPMENT OF PROCESS OPERATIONS
- 23.1 Electrolytic Cell Development
- 23.2 Reductive Extraction Engineering Studies
- 23.3 Simulated Molten-Salt-Liquid-Bismuth Contactor Studies
- 23.4 Design of a Continuous Electrolytic Cell Testing System
- 23.5 Experimental Facilities for Reductive Extraction Development Work
- DISTILLATION OF MSRE FUEL CARRIER SALT

