Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Hyun-shik Chang"'
Autor:
Madan Tandukar, Simona E. Hunyadi Murph, Hyun-Shik Chang, Renfei Feng, Dien Li, John C. Seaman, Kathryn M. L. Taylor-Pashow, Daniel I. Kaplan
Publikováno v:
Journal of Hazardous Materials. 374:177-185
Technetium-99 (99Tc) is a major contaminant at nuclear power plants and several US Department of Energy sites. Its most common aqueous species, pertechnetate (TcO4-), is very mobile in the environment, and currently there are no effective technologie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::246e55d1824bec4dfb0e258dcbbb48ce
https://doi.org/10.1016/j.jhazmat.2019.04.030
https://doi.org/10.1016/j.jhazmat.2019.04.030
Publikováno v:
MRS Advances. 2:717-722
At the Savannah River Site (SRS) low activity salt solution is stabilized via encapsulation within a grout termed saltstone. Saltstone is emplaced into large (multi-million gallon) concrete storage facilities referred to as Saltstone Disposal Units (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8695209b3d9cf27ddc408a24e0e2feb
https://doi.org/10.1557/adv.2017.35
https://doi.org/10.1557/adv.2017.35
Autor:
Aaron D. Peacock, Kirk G. Scheckel, Dien Li, Paul G. Koster van Groos, Hyun-Shik Chang, Daniel I. Kaplan, John C. Seaman, Peter R. Jaffé
Publikováno v:
Chemosphere
Small-scale continuous flow wetland mesocosms (∼0.8 L) were used to evaluate how plant roots under different iron loadings affect uranium (U) mobility. When significant concentrations of ferrous iron (Fe) were present at circumneutral pH values, U
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::408c7fe25511cdfd1392e6efe25353d4
https://doi.org/10.1016/j.chemosphere.2016.08.012
https://doi.org/10.1016/j.chemosphere.2016.08.012
Autor:
Saijin Zhang, Peter H. Santschi, Daniel I. Kaplan, Hyun-Shik Chang, Chris M. Yeager, Kathy A. Schwehr, John C. Seaman, Chen Xu
Publikováno v:
Journal of Environmental Chemical Engineering. 2:1321-1330
Radioiodine biogeochemistry was investigated by developing an integrated comprehensive model describing multiple physiochemical and enzyme catalyzed reactions based on detailed iodine speciation data obtained previously from laboratory experiments us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5429c25c78ae721e019f32d8c8512d8
https://doi.org/10.1016/j.jece.2014.03.009
https://doi.org/10.1016/j.jece.2014.03.009
Autor:
Saijin Zhang, Peter H. Santschi, Yi-Fang Ho, Patrick G. Hatcher, Chen Xu, Kathleen A. Schwehr, Matthew Athon, Hyun-Shik Chang, Nicole DiDonato, Daniel I. Kaplan
Publikováno v:
Environmental Science & Technology. 48:3186-3195
To study the effects of natural organic matter (NOM) on Pu sorption, Pu(IV) and (V) were amended at environmentally relevant concentrations (10(-14) M) to two soils of contrasting particulate NOM concentrations collected from the F-Area of the Savann
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::11b2f23d16a66de1f2f22d20c15ac0fe
https://doi.org/10.1021/es404951y
https://doi.org/10.1021/es404951y
Publikováno v:
Water Research. 50:179-188
Formation of disinfection by-products (DBPs) in ten drinking source waters located in the United States was examined in this study. DBP generation was interpreted in the context of halogenation-induced changes of log-transformed absorbance spectra of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e605823ec33226873766811c838285f
https://doi.org/10.1016/j.watres.2013.11.028
https://doi.org/10.1016/j.watres.2013.11.028
Publikováno v:
Journal of Environmental Chemical Engineering. 1:875-883
Cellulosic materials, such as paper, cardboard and wood, are commonly co-disposed with low-level radioactive waste. Cellulosic materials may not only enhance subsurface contaminant transport through complexation, but also promote colloid dispersion.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3aaa2477f8e73e9925fd4c047f8cfaa8
https://doi.org/10.1016/j.jece.2013.07.032
https://doi.org/10.1016/j.jece.2013.07.032
Autor:
Wayne W. Lukens, Nikolla P. Qafoku, Joseph H. Westsik, Wooyong Um, R. Jeffrey Serne, Hyun-Shik Chang, Ravi K. Kukkadapu, Jonathan P. Icenhower
Publikováno v:
Journal of Nuclear Materials. 429:201-209
Crystals of goethite were synthesized with reduced technetium [{sup 99}Tc(IV)] incorporated within the solid lattice. The presence of {sup 99}Tc(IV) as a substituting cation in the matrix and 'armoring' by an additional layer of precipitated goethite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::188a26e40b5104020dcd2bbccce3014b
https://doi.org/10.1016/j.jnucmat.2012.06.004
https://doi.org/10.1016/j.jnucmat.2012.06.004
Autor:
Jon Chorover, Hyun-Shik Chang, Carl I. Steefel, Kenton A. Rod, R. Jeffrey Serne, Wooyong Um, Nicolas Perdrial, Aaron Thompson
Publikováno v:
Environmental Science & Technology. 45:8313-8320
Leaching behavior of Sr and Cs in the vadose zone of Hanford site (Washington) was studied with laboratory-weathered sediments mimicking realistic conditions beneath the leaking radioactive waste storage tanks. Unsaturated column leaching experiments
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a01cc83a29f37d1fa7f668edcf0e19fa
https://doi.org/10.1021/es2010368
https://doi.org/10.1021/es2010368