Search Results - "Choi, Seungrag"

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  1. 1

    Aging kinetics on silver-functionalized silica aerogel in off-gas streams including dry air, humid air, NO and NO2 by Choi, Seungrag, Nan, Yue, Tavlarides, Lawrence L.

    Published in Chemical engineering journal advances (15-11-2021)
    “…•Continuous-flow aging and iodine adsorption processes on Ag0-aerogel.•Iodine loading capacity decreased with increasing aging time and temperature.•Effects of…”
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    Journal Article
  2. 2

    Silver Sulfide and Silver Sulfate as Aging Byproducts and Adsorbents for Gaseous Iodine Capture in Spent Nuclear Fuel Reprocessing by Shen, Ziheng, Wiechert, Alexander I., Choi, Seungrag, Tavlarides, Lawrence L., Tsouris, Costas, Yiacoumi, Sotira

    “…While it is considered a promising adsorbent for radioiodine capture in spent nuclear fuel reprocessing off-gas, silver functionalized silica aerogel…”
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    Journal Article
  3. 3

    Kinetics of aging process on reduced Ag exchanged mordenite in dry air and humid air by Choi, Seungrag, Nan, Yue, Tavlarides, Lawrence L.

    Published in AIChE journal (01-08-2021)
    “…Aging effects of off‐gas streams including dry air and humid air on reduced silver exchanged mordenite (Ag0Z) were studied. Aged Ag0Z was prepared by exposing…”
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    Journal Article
  4. 4

    Adsorption of methyl iodide on reduced silver‐functionalized silica aerogel: Kinetics and modeling by Tang, Siqi, Choi, Seungrag, Nan, Yue, Tavlarides, Lawrence L.

    Published in AIChE journal (01-04-2021)
    “…The low concentration methyl iodide (CH3I) adsorption process on reduced silver‐functionalized silica aerogel (Ag0‐Aerogel) was studied. The kinetic data were…”
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    Journal Article
  5. 5

    Influence of elevated temperature and oxygen on the capture of radioactive iodine by silver functionalized silica aerogel by Shen, Ziheng, Wiechert, Alexander I., Choi, Seungrag, Ladshaw, Austin P., Tavlarides, Lawrence L., Tsouris, Costas, Yiacoumi, Sotira

    Published in Microporous and mesoporous materials (01-02-2025)
    “…Reprocessing is considered a competent strategy for spent nuclear fuel management, yet radioiodine (129I) is emitted in reprocessing off-gas as a hazardous…”
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    Journal Article
  6. 6

    Silver-functionalized silica aerogel for iodine capture: Adsorbent aging by NO2 in spent nuclear fuel reprocessing off-gas by Shen, Ziheng, Wiechert, Alexander I., Choi, Seungrag, Ladshaw, Austin P., Tavlarides, Lawrence L., Tsouris, Costas, Yiacoumi, Sotira

    Published in Microporous and mesoporous materials (01-05-2022)
    “…Silver-functionalized silica aerogel (Ag0-Aerogel) is considered a promising porous adsorbent for the capture of iodine from nuclear fuel reprocessing off-gas…”
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    Journal Article
  7. 7

    Heterogeneous catalytic esterification of oleic acid under sub/supercritical methanol over γ-Al2O3 by Zhang, Jie, Liu, Jiuxu, Huang, Xinlei, Choi, Seungrag, Zhu, Ran, Tang, Siqi, Bond, Jesse Q., Tavlarides, Lawrence L.

    Published in Fuel (Guildford) (15-05-2020)
    “…[Display omitted] •Continuous esterification of oleic acid and supercritical methanol with γ-Al2O3.•Both the global and Eley-Rideal mechanism-based kinetics…”
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    Journal Article
  8. 8

    Capture of Iodine from Nuclear-Fuel-Reprocessing Off-Gas: Influence of Aging on a Reduced Silver Mordenite Adsorbent after Exposure to NO/NO2 by Wiechert, Alexander I, Ladshaw, Austin P, Moon, Jisue, Abney, Carter W, Nan, Yue, Choi, Seungrag, Liu, Jiuxu, Tavlarides, Lawrence L, Tsouris, Costas, Yiacoumi, Sotira

    Published in ACS applied materials & interfaces (04-11-2020)
    “…Iodine radioisotopes released during nuclear fuel reprocessing must be removed from the off-gas stream before discharge. One promising material for iodine…”
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    Journal Article
  9. 9

    Aging Study of Silver-Exchanged Mordenite and Silver-Functionalized Silica Aerogel in Dry Air, Humid Air, NO and NO2 by Choi, Seungrag

    Published 01-01-2021
    “…Iodine-129 (129I) is one of the volatile radioactive species in the off-gas streams generated from the spent nuclear fuel reprocessing system, and it is…”
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    Dissertation
  10. 10