REGULATION of ADVANCED SPENT NUCLEAR FUEL 16 RECYCLE FACILITIES 17 18 19 20 ACNW&M White Paper 21 22 23 24 25 26 Prepared by 27 28 A
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DRAFT REPORT FOR EXTERNAL REVIEW i 1 2 3 4 5 EXTERNAL REVIEW DRAFT 6 7 8 9 10 11 12 13 14 BACKGROUND, STATUS, AND ISSUES RELATED TO THE 15 REGULATION OF ADVANCED SPENT NUCLEAR FUEL 16 RECYCLE FACILITIES 17 18 19 20 ACNW&M White Paper 21 22 23 24 25 26 Prepared by 27 28 A. G. Croff, R .G. Wymer, H. J. Larson, L. T. Tavlarides, J. H. Flack 29 30 31 32 33 34 35 36 June 26, 2007 37 DRAFT REPORT FOR EXTERNAL REVIEW ii 38 39 CONTENTS 40 41 42 LIST OF ACRONYMS ....................................................... viii 43 44 SUMMARY................................................................. xi 45 46 I. INTRODUCTION .......................................................1 47 48 II. RECYCLE FACILITY FEEDSTOCK: SPENT NUCLEAR FUEL DESIGNS........3 49 A. Overview of generic fuel cycles.......................................3 50 1. Uranium-Plutonium Fuel Cycle.................................3 51 2. Thorium-Uranium Fuel Cycle..................................3 52 B. Fuel Designs......................................................3 53 1. PWR......................................................3 54 2. BWR .....................................................5 55 3. Fast Reactor ................................................7 56 a. Oxide...............................................7 57 b. Carbide..............................................7 58 c. U/Pu/Zr .............................................8 59 d. Nitride ..............................................8 60 4. HTGR....................................................10 61 5. Molten Salt Reactor (MSR) ...................................10 62 63 III. OVERVIEW OF SPENT NUCLEAR FUEL RECYCLE ........................11 64 A. Reprocessing Programs and Evaluations...............................11 65 1. U.S. Defense ..............................................11 66 a. Reprocessing for Weapons Plutonium Recovery.............11 67 i. Bismuth Phosphate Process.......................12 68 ii. Redox (Hexone)................................12 69 iii. PUREX ......................................12 70 b. U.S. Naval Fuel Reprocessing...........................23 71 2. U.S. Commercial...........................................23 72 a. Nuclear Fuel Services (NFS - West Valley Plant) ...........23 73 b. GE Morris, Il Plant ...................................23 74 c. Barnwell Nuclear Fuel Plant ...........................24 75 3. International...............................................24 76 a. France..............................................26 77 b. United Kingdom......................................27 78 c. Japan ..............................................27 79 d. Russia..............................................27 80 e. India...............................................28 81 f. China ..............................................28 82 g. South Korea.........................................28 83 4. Consolidated Fuel Reprocessing Program........................29 84 5. International Nuclear Fuel Cycle Evaluation (INFCE) ..............29 85 a. Content of the Study ..................................30 86 b. Principle Conclusions .................................30 87 B. Refabrication ....................................................30 88 1. Fuel Refabrication Technology ................................30 89 2. MOX Fuel Fabrication Facilities ...............................33 DRAFT REPORT FOR EXTERNAL REVIEW iii 90 3. HTGR Fuel Fabrication......................................34 91 92 IV. RECYCLE FACILITY SITING AND DESIGN ...............................41 93 A. Site selection ....................................................41 94 B. Design and Construction ...........................................42 95 1. Design ...................................................42 96 2. Construction...............................................44 97 3. Equipment Modules .........................................49 98 a. Spent Fuel Receiving And Storage .......................49 99 b. Main Process Cells....................................49 100 c. Waste Solidification Plant..............................51 101 d. Uranium Hexafluoride Conversion Plant ...................51 102 e. Plutonium Product Facility .............................51 103 f. Auxiliary Process Systems and Service Areas ...............52 104 i. Ventilation System ..............................52 105 ii. Electrical Power................................52 106 iii. Fire Protection System ...........................53 107 iv. Hot and Cold Laboratory Area.....................53 108 g. Control Room Area...................................53 109 h. Liquid Waste Storage Areas ............................53 110 i. Solid Waste Storage...................................56 111 4. Criticality Control Factors ....................................56 112 a. Physical and chemical nature............................56 113 b. Mass...............................................56 114 c. Purity..............................................56 115 d. Geometry...........................................56 116 C. Operator Licensing and Training.....................................56 117 1. Experience at NFS..........................................57 118 2. Experience at the MFRP .....................................58 119 3. Experience at BNFP.........................................58 120 4. Typical Reprocessing Plant Operator Training Program.............59 121 D. Needed Improvements.............................................59 122 1. Improved Processes.........................................59 123 2. Improved Equipment........................................60 124 3. Security and Safeguards......................................60 125 4. Detectors .................................................60 126 5. Material Accountability ......................................61 127 128 V. OVERVIEW OF ADVANCE SPENT NUCLEAR FUEL RECYCLE INITIATIVES . 64 129 A. Advanced Fuel Cycle Initiative (AFCI) ................................64 130 1. Separations................................................64 131 2. Fuels.....................................................64 132 3. Transmutation .............................................65 133 4. University Programs ........................................65 134 a. University Nuclear Infrastructure (UNI) ...................65 135 b. Nuclear Engineering Education Research (NEER) Grants .....66 136 c. Other University Support Activities ......................66 137 B. Global Nuclear Energy Partnership...................................67 138 1. GNEP Goals...............................................67 139 2. GNEP Timetable – phased approach............................68 140 C. Russian “Equivalent” Proposal (Global Nuclear Infrastructure - GNI) ........68 141 D. Generation IV Nuclear Reactors .....................................69 DRAFT REPORT FOR EXTERNAL REVIEW iv 142 E. Nuclear Power 2010 ...............................................69 143 144 VI. ADVANCED FUEL REPROCESSING TECHNOLOGY .......................71 145 A. UREX Processes .................................................72 146 1. Description of the UREX +1a Flowsheet ........................79 147 a. Head End...........................................79 148 b. Central Unit Operations................................81 149 2. Assumptions for modeling the UREX +1a flowsheet...............82 150 a. Off-gas stream .......................................83 151 b. Technetium stream....................................83 152 c. Uranium product stream ...............................83 153 d. Solvent waste streams .................................84 154 e. Fission products stream ................................84 155 f. 137Cs/90Sr stream......................................84 156 g. Actinide Stream......................................84 157 3. Quantitative Discussion of UREX +1a Waste and Product Streams ....84 158 a. Volatiles in Waste ....................................86 159 b. Cladding + Tc .......................................86 160 c. Uranium Product .....................................86 161 d. TRU Product ........................................86 162 e. Cs/Sr Waste.........................................87 163 f. Fission Product Waste .................................87 164 4. Potentially Toxic and Reactive Materials ........................87 165 B. Pyroprocessing...................................................88 166 C. Reprocessing HTGR Fuels..........................................92 167 1. Flowsheets................................................92 168 2. Unusual Plant Features ......................................93 169 3. Reprocessing Wastes........................................93 170 D. French Proposals .................................................93 171 172 VII. ADVANCED FUEL REFABRICATION ....................................95 173 174 VIII. REGULATION AND LICENSING OF FUEL RECYCLE FACILITIES ...........96 175 A. Licensing – An historical perspective .................................96 176 1. Licensing experience at Nuclear Fuel Services....................96 177 2. Licensing experience at Barnwell ..............................96 178 B. Current licensing process and alternatives..............................97 179 1. Modify 10 CFR Part 50......................................97 180 2. Use 10 CFR Part 70.........................................98 181 3. License under 10 CFR Part 53 .................................98 182 4. Develop a new rule 10 CFR Part XX...........................99 183 5. Commission Order..........................................99