Water Processing for Isotope Recovery Using Porous Zero Valent Iron
Abstract
Reduction-oxidation cycles of metals can be harnessed to create a reusable tritiated water processing system. The concept is straightforward; a tritium-contaminated steam passes over a hot metal bed converting the metal to a metal oxide and liberating hydrogen isotopes for further processing and isotope separation. The bed is regenerated by converting the metal oxide back to a bare metal using protium gas, creating a clean water stream. Free oxygen is not produced during the cyclical process, making it safe for use in a hydrogen processing facility, and the only by-product is detritiated water. Porous zero valent iron (p-ZVI) has been identified as an ideal candidate material for this process due to its low cost, unique morphology, and favorable thermodynamics. Therefore, investigations of p-ZVI were conducted to better understand how a bed composed of such material would behave in a tritium processing facility. The thermal and physical properties were assessed, along with cycling and isotope effects. The results indicate that p-ZVI beds could serve as a low-cost, reusable system for the treatment of water in tritium processing facilities.
- Authors:
-
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL); Univ. of Georgia, Athens, GA (United States). Dept. of Physics and Astronomy
- Publication Date:
- Research Org.:
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1544614
- Report Number(s):
- SRNL-L2110-2019-00003
Journal ID: ISSN 1536-1055
- Grant/Contract Number:
- AC09-08SR22470
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Fusion Science and Technology
- Additional Journal Information:
- Journal Volume: 76; Journal Issue: 1; Journal ID: ISSN 1536-1055
- Publisher:
- American Nuclear Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Tritium processing; water splitting; hydrogen; deuterium
Citation Formats
Larsen, George, Hunyadi Murph, Simona E., Coopersmith, Kaitlin, and Mitchell, Lucas. Water Processing for Isotope Recovery Using Porous Zero Valent Iron. United States: N. p., 2019.
Web. doi:10.1080/15361055.2019.1598205.
Larsen, George, Hunyadi Murph, Simona E., Coopersmith, Kaitlin, & Mitchell, Lucas. Water Processing for Isotope Recovery Using Porous Zero Valent Iron. United States. https://doi.org/10.1080/15361055.2019.1598205
Larsen, George, Hunyadi Murph, Simona E., Coopersmith, Kaitlin, and Mitchell, Lucas. Wed .
"Water Processing for Isotope Recovery Using Porous Zero Valent Iron". United States. https://doi.org/10.1080/15361055.2019.1598205. https://www.osti.gov/servlets/purl/1544614.
@article{osti_1544614,
title = {Water Processing for Isotope Recovery Using Porous Zero Valent Iron},
author = {Larsen, George and Hunyadi Murph, Simona E. and Coopersmith, Kaitlin and Mitchell, Lucas},
abstractNote = {Reduction-oxidation cycles of metals can be harnessed to create a reusable tritiated water processing system. The concept is straightforward; a tritium-contaminated steam passes over a hot metal bed converting the metal to a metal oxide and liberating hydrogen isotopes for further processing and isotope separation. The bed is regenerated by converting the metal oxide back to a bare metal using protium gas, creating a clean water stream. Free oxygen is not produced during the cyclical process, making it safe for use in a hydrogen processing facility, and the only by-product is detritiated water. Porous zero valent iron (p-ZVI) has been identified as an ideal candidate material for this process due to its low cost, unique morphology, and favorable thermodynamics. Therefore, investigations of p-ZVI were conducted to better understand how a bed composed of such material would behave in a tritium processing facility. The thermal and physical properties were assessed, along with cycling and isotope effects. The results indicate that p-ZVI beds could serve as a low-cost, reusable system for the treatment of water in tritium processing facilities.},
doi = {10.1080/15361055.2019.1598205},
journal = {Fusion Science and Technology},
number = 1,
volume = 76,
place = {United States},
year = {Wed May 08 00:00:00 EDT 2019},
month = {Wed May 08 00:00:00 EDT 2019}
}
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