DOE OSTI · 2997855
Electrochemical Denitration and Caustic Generation (EDCGe) System: Year One Project Report
Abstract
An advanced electrochemical denitration and caustic generation (EDCGe) system is being developed to process legacy waste through the direct feed high-level waste (DFHLW) flowsheet at Hanford. This system aims to destroy nitrates and organics in DFHLW and potentially DFHLAW feeds, significantly reducing off-gas concerns from both process safety and process flowsheet perspectives. Supported by a multidisciplinary team, this effort includes creating a tandem denitration electrolyzer/off-gas system as part of a broader mission to accelerate waste treatment through fundamental and applied research and development initiatives. The progress for the first year of the three-year program to develop technology for the EDCGe system is described within this document.
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Rodene, Dylan D. [Savannah River National Laboratory (SRNL), Aiken, SC (United States)] (ORCID:0000000252354260), Marin Bernardez, Edelmy J. [Savannah River National Laboratory (SRNL), Aiken, SC (United States)] (ORCID:0000000194984247), Gordon, Matthew N. [Savannah River National Laboratory (SRNL), Aiken, SC (United States)] (ORCID:0000000172129047), Lavenue, Margaux [Savannah River National Laboratory (SRNL), Aiken, SC (United States)], Ramsey, Amy A. [Savannah River National Laboratory (SRNL), Aiken, SC (United States)], Garner, Steven A. [Savannah River National Laboratory (SRNL), Aiken, SC (United States)], Gilbraith, William E. [Savannah River National Laboratory (SRNL), Aiken, SC (United States)], Jiang, Junhua [Savannah River National Laboratory (SRNL), Aiken, SC (United States)] (ORCID:0000000324379812), Craps, Matthew G. [Savannah River National Laboratory (SRNL), Aiken, SC (United States)] (ORCID:0000000154698262), Adams, William Taylor [Savannah River National Laboratory (SRNL), Aiken, SC (United States)] (ORCID:0000000243678749), Fushimi, Rebecca [Idaho National Laboratory (INL), Idaho Falls, ID (United States)], Chau, Han [Idaho National Laboratory (INL), Idaho Falls, ID (United States)], Lauterbach, Jochen [Univ. of South Carolina, Columbia, SC (United States)], Stofik, Sarah [Idaho National Laboratory (INL), Idaho Falls, ID (United States)], Tong, Jianhua (Josh) [Clemson Univ., SC (United States)], Zhou, Tianyi [Clemson Univ., SC (United States)], Aidhy, Dilpuneet (DP) S. [Clemson Univ., SC (United States)], Mueller, Mark [Idaho National Laboratory (INL), Idaho Falls, ID (United States)], Chen, Fanglin (Frank) [Univ. of South Carolina, Columbia, SC (United States)], Qin, Bosen [Univ. of South Carolina, Columbia, SC (United States)], Aravelli, Aparna [North Carolina A & T State Univ., Greensboro, NC (United States)], Hobbs, David [Westinghouse Savannah River Co., Aiken, SC (United States)]. 2025-09-01. Electrochemical Denitration and Caustic Generation (EDCGe) System: Year One Project Report. https://doi.org/10.2172/2997855
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