Jonathan Bricker - US Nuclear Waste Technical Review Board

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Recent Improvements • Extensive improvements made to increase waste throughput – Reduction in cycle time of melter feed preparation cycle (e.g. analytical improvements) – Melter bubbler installation to increase melt rate – Increase in waste loadings due to “tailoring” frit (i.e. more waste in each can) 400 Goal is to maximize waste throughput to reduce environmental risk. Canisters Per Year 350 300 250 200 150 100 Recent Improvements Original Capacity Melter Bubblers Original Capacity 50 0 DWPF Batch Prep DWPF Melter 4
Challenges and Future Work • Growing need to provide flexibility to accommodate variability in SRR System Plan (e.g. waste feed compositions, input streams) – Understand and expand operating windows (simplify process to improve throughput) – Optimize processing windows for future waste compositions (higher waste loadings) – Addressing demand for higher process/equipment reliability due to closely Long-term coupled operations and increased activity in Tank Closure efforts and salt waste Improvements processing • Alternate Reductant • Dry Frit • System Reliability Goal is to position facility for continuous success. Canisters Per Year 400 350 300 250 200 150 100 50 Melter Bubblers Planned Improvements Recent Improvements Original Capacity Short-term Improvements Melter Bubblers Original Capacity 0 DWPF Batch Prep DWPF Melter 5
Page 1 and 2: Progress of the High Level Waste Pr
Page 3: DWPF Overview Modular Caustic Side

Jonathan Bricker - US Nuclear Waste Technical Review Board

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