Review of Generation and Flow of Recycled
Uranium at Hanford
Uranium at Hanford
| The files listed below are in Adobe PDF format, which requires the Adobe Acrobat Reader. Those on the Hanford site can obtain a copy of this from Software Distribution. All others, please go to www.adobe.com | ||||
| Complete Document [pdf file: 30.7 Mb] | ||||
| Cover Page [pdf file: 49 Kb] | ||||
| Acknowledgements [pdf file: 68 Kb] | ||||
| Table of Contents [pdf file: 647 Kb] | ||||
Executive Summary [pdf file: 539 Kb]
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| Section 1 [pdf file: 647 Kb] | ||||
| 1.0 | Hanford Uranium Mass Balance Project | |||
| 1.1 | Project Overview | |||
| 1.2 | Purpose and Scope | |||
| 1.3 | Project Implementation Strategy | |||
| 1.4 | Assumptions | |||
| Section 1 References | ||||
| Section 2 [pdf file: 5.6 Mb] | ||||
| 2.0 | Hanford Site Historical Overview | |||
| 2.1 | Site Description | |||
| 2.2 | Key Uranium Processing Facilities | |||
| 2.2.1 | T-Plant | |||
| 2.2.1.1 | Plant Description | |||
| 2.2.1.2 | T-Plant Material Flowsheet | |||
| 2.2.1.3 | Feed Specifications | |||
| 2.2.1.4 | Product Specifications | |||
| 2.2.1.5 | Operating History | |||
| 2.2.1.6 | Current Status | |||
| 2.2.2 | B-Plant | |||
| 2.2.2.1 | Plant Description | |||
| 2.2.2.2 | Material Flowsheet | |||
| 2.2.2.3 | Feed Specifications | |||
| 2.2.2.4 | Product Specifications | |||
| 2.2.2.5 | Operating History | |||
| 2.2.2.6 | Current Status | |||
| 2.2.3 | U-Plant | |||
| 2.2.3.1 | Plant Description | |||
| 2.2.3.2 | Material Flowsheet | |||
| 2.2.3.3 | Feed Specifications | |||
| 2.2.3.4 | Product Specifications | |||
| 2.2.3.5 | Operating History | |||
| 2.2.3.6 | Current Status | |||
| 2.2.4 | UO3 Plant | |||
| 2.2.4.1 | Plant Description | |||
| 2.2.4.2 | Material Flowsheet | |||
| 2.2.4.3 | Feed Specifications | |||
| 2.2.4.4 | Product Specifications | |||
| 2.2.4.5 | Operating History | |||
| 2.2.4.6 | Current Status | |||
| 2.2.5 | REDOX Plant | |||
| 2.2.5.1 | Plant Description | |||
| 2.2.5.2 | Material Flowsheet | |||
| 2.2.5.3 | Feed Specifications | |||
| 2.2.5.4 | Product Specifications | |||
| 2.2.5.5 | Operating History | |||
| 2.2.5.6 | Current Status | |||
| 2.2.6 | PUREX Plant | |||
| 2.2.6.1 | Plant Description | |||
| 2.2.6.2 | Material Flowsheet | |||
| 2.2.6.3 | Feed Specifications | |||
| 2.2.6.4 | Product Specifications | |||
| 2.2.6.5 | Operating History | |||
| 2.2.6.6 | Current Status | |||
| 2.2.7 | Fuel Fabrication Complex | |||
| 2.2.7.1 | Facility Description | |||
| 2.2.7.2 | Material Flowsheet | |||
| 2.2.7.3 | Feed Specifications | |||
| 2.2.7.4 | Product Specifications | |||
| 2.2.7.5 | Operating History | |||
| 2.2.7.6 | Current Status | |||
| 2.2.8 | Other Uranium Handling Facilities | |||
| 2.2.8.1 | 308 Building Mixed Oxide Fuel Fabrication | |||
| 2.2.8.2 | 306 Building | |||
| 2.2.8.3 | 234-5Z Plutonium Finishing Plant (PFP) | |||
| 2.2.8.4 | 321 Building | |||
| 2.2.8.5 | 303-M Uranium Oxide Facility | |||
| 2.3 | Activity Summary | |||
| Section 2 References | ||||
| Section 3 [pdf file: 5 Mb] | ||||
| 3.0 | Recycled Uranium | |||
| 3.1 | Uranium Recycling Description | |||
| 3.1.1 | Hanford Key Interfaces for Recycled Uranium | |||
| 3.1.2 | Beginning of Hanford In-Scope Recycled Uranium Transactions | |||
| 3.1.2.1 | Key Hanford Historical Dates for Recycled Uranium | |||
| 3.2.1.1 | Production Channel Material Transactions | |||
| 3.1.2.2.1 | Shipments | |||
| 3.1.2.2.2 | Receipts | |||
| 3.1.3 | Out of Scope Uranium Transactions | |||
| 3.1.3.1 | Hanford Production Channel | |||
| 3.1.3.2 | Out-of-Scope Research and Development Programs | |||
| 3.1.3.3 | Recycled Uranium Timeframe Summary | |||
| 3.1.4 | Data Presentation - Isolation of Specific Timeframes | |||
| 3.1.5 | Hanford Historical Timeline References | |||
| 3.1.6 | Key Dates/Assumptions for Uranium Transactions | |||
| 3.1.6.1 | Beginning Shipment of Recycled Depleted Uranium Trioxide (UO3) | |||
| 3.1.6.2 | Initial Shipments of Recycled Low-Enriched Uranium Trioxide (UO3) | |||
| 3.2 | Recycle Uranium Receipts | |||
| 3.2.1 | Uranium Forms Received from Offsite | |||
| 3.2.2 | Initial Recycled Uranium Receipts into Hanford | |||
| 3.2.3 | Receipts Prior to July 1952 (Out of Scope) | |||
| 3.2.4 | Beginning Receipts of Recycled Uranium at Hanford | |||
| 3.2.5 | Quantities of Recycled Uranium Received from July 1952 - March 30, 1999 | |||
| 3.2.6 | Hanford Receipts of Recycled Uranium from Paducah | |||
| 3.2.7 | Hanford Receipts of Recycled Uranium from Fernald and RMI (Ashtabula) | |||
| 3.2.8 | Hanford Receipts of Recycled Uranium from Oak Ridge | |||
| 3.3 | Recycled Uranium Shipments | |||
| 3.3.1 | Recycled Uranium Streams Shipped Offsite | |||
| 3.3.2 | Uranium Shipments from 300 Area Fuel Fabrication Facilities | |||
| 3.3.3 | Hanford Shipments of Recovered Uranium and Trioxide Product | |||
| 3.3.3.1 | UO3 Finished Product | |||
| 3.3.3.2 | Introduction of Fission Products | |||
| 3.3.4 | Out-of-Scope Research and Development Spent Fuel | |||
| 3.3.5 | Post Fiscal Year 1970 Shipments | |||
| 3.3.6 | Shipment Packaging and Scheduling | |||
| 3.3.7 | Transaction Material Control and Accountability (MC&A) | |||
| 3.3.8 | Sample Exchange Program and Sample Shipments | |||
| 3.4 | Recycle Uranium Scrap, Waste, and Conversion | |||
| 3.4.1 | Introduction | |||
| 3.4.2 | Reactor Fuel Element Fabrication | |||
| 3.4.2.1 | Scrap Returned to Fernald | |||
| 3.4.2.2 | Liquid Effluent - Chemical Waste Containing Uranium | |||
| 3.4.2.3 | Airborne Effluents | |||
| 3.4.2.4 | Solid Waste | |||
| 3.4.2.5 | 300 Area Process Trenches | |||
| 3.4.3 | Hanford Separation Plants | |||
| 3.4.4 | Recovery of Uranium in the U-Plant | |||
| 3.4.5 | Uranium Trioxide (UO3) Plant | |||
| 3.4.6 | Summary of Uranium Discharged to Wastes at Hanford | |||
| 3.4.7 | Uranium Losses Through Transmutation and Fission | |||
| 3.5 | Overall Recycled Uranium Site Material Balance | |||
| Section 3 References | ||||
| Section 4 [pdf file: 3.4 Mb] | ||||
| 4.0 | Contaminants in Recycled Uranium | |||
| 4.1 | UO3 Process Specifications | |||
| 4.1.1 | Feed Specifications | |||
| 4.1.2 | Product Specifications | |||
| 4.1.3 | Proposed Specifications | |||
| 4.1.4 | Non-Radiological Contaminants | |||
| 4.2 | Recycle UO3 Processing | |||
| 4.2.1 | Processing Issues | |||
| 4.2.2 | Typical Hanford Responses | |||
| 4.3 | Analytical Laboratories | |||
| 4.3.1 | UO3 Product Sampling and Subsampling | |||
| 4.3.2 | Analytical Procedures | |||
| 4.3.3 | Analytical Methods and Errors | |||
| 4.3.4 | Quality Assurance | |||
| 4.3.4.1 | Quality Assurance Program | |||
| 4.3.4.2 | In-House Standards Program | |||
| 4.4 | UO3 Analyses | |||
| 4.4.1 | Impurity Concentrates in UNH | |||
| 4.4.2 | Analyses Performed and Results | |||
| 4.4.3 | Storage/Shipment of UO3 | |||
| 4.4.4 | Storage of UO3 at Hanford | |||
| 4.4.5 | UO3 Processed In/After 1984 Restart of PUREX/UO3 Plants | |||
| 4.5 | Neptunium-237 | |||
| 4.5.1 | Neptunium Concentration in Recycled Uranium | |||
| 4.5.2 | Neptunium-237 (237Np) Formation | |||
| 4.5.3 | Predicted vs. Actual 237Np Production | |||
| 4.5.4 | Enhancing Production of Neptunium | |||
| 4.6 | Technetium-99 Analytical Results | |||
| 4.6.1 | Technetium-99 Concentration in Recycled Uranium | |||
| 4.6.2 | Hanford Technetium Measurements | |||
| 4.6.3 | Paducah Measurements of Technetium-99 in Recycled Uranium from Hanford | |||
| 4.6.4 | Fernald Measurements of Technetium-99 in Recycled Uranium from Hanford | |||
| 4.7 | Uranium Isotopic Composition | |||
| 4.7.1 | Natural Uranium | |||
| 4.7.2 | Normal Uranium | |||
| 4.7.3 | Low Enriched Uranium (LEU) | |||
| 4.7.4 | Typical Recovered LEU Uranium Oxide | |||
| 4.8 | Contaminants in Uranium Metal | |||
| 4.8.1 | Non-Radiological Composition | |||
| 4.8.2 | Metallographic Testing | |||
| 4.8.3 | Radiological Contaminants | |||
| 4.8.4 | Direct Blending | |||
| Section 4 References | ||||
| Section 5 [pdf file: 243 Kb] | ||||
| 5.0 | Current Inventory of Recycled Uranium | |||
| 5.1 | Project Hanford Management Contractor (PHMC) Current Inventory of Recycled Uranium | |||
| 5.2 | Pacific Northwest National Laboratories (PNNL) Current Inventory of Recycled Uranium | |||
| Section 6 [pdf file: 1.7 Mb] | ||||
| 6.0 | Discussion and Conclusions | |||
| 6.1 | Recycled Uranium Shipped and Received | |||
| 6.1.1 | Operating History | |||
| 6.1.2 | Recycled Uranium Specifications | |||
| 6.1.3 | Recycled Uranium Shipments and Receipts | |||
| 6.1.4 | Current Inventory | |||
| 6.1.5 | Shipper/Receiver Differences | |||
| 6.1.6 | Inventory Difference | |||
| 6.2 | Typical Impurities and Isotopic Composition | |||
| 6.2.1 | Plutonium | |||
| 6.2.2 | Neptunium and Technitium | |||
| 6.3 | Activity Assessment and Occupational Potential Exposure | |||
| 6.4 | Data Validation | |||
| 6.4.1 | Recycled Uranium Shipped from Hanford | |||
| 6.4.2 | Recycled Uranium Shipped with UO3from Hanford | |||
| 6.4.3 | Discussion of Pu Differences Between K-25 and Hanford | |||
| Section 6 References | ||||
| Appendix A [pdf file: 688 Kb] Acronyms and Glossary of Terms |
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| Appendix B [pdf file: 7 Mb] Section 3 - Supplemental Information |
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| Appendix C [pdf file: 1.2 Mb] Section 4 - Supplemental Information |
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| Appendix D [pdf file: 506 Kb] Section 5 - Supplemental Information |
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| Appendix E [pdf file: 735 Kb] Description of Research Strategies Used in Study |
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| Appendix F [pdf file: 543 Kb] Supplemental Information on Hanford Fuel Fabrication |
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| Appendix G [pdf file: 763 Kb] Supplemental Information on the UO3 Plant |
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| Appendix H [pdf file: 1.2 Mb] Timeframe of Events at Hanford |
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| Appendix I [pdf file: 2.1 Mb] Estimates of Annual Recycled Uranium Constituents Shipped Offsite |
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