Anomalously low activation energy of nanoconfined MgCO3 precipitation
Abstract
In this work, magnesite (MgCO3) precipitation within the nanoconfined space of adsorbed H2O films (~5 monolayers) was determined to have an apparent activation energy of only 36 ± 6 kJ mol–1, suggesting that Mg2+ under nanoconfinement adopts a hydration configuration that mimics that of aqueous Ca2+, at least energetically, if not also specifically in hydration structure.
- Authors:
-
- Univ. of Wyoming, Laramie, WY (United States)
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
- Publication Date:
- Research Org.:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
- Sponsoring Org.:
- USDOE Office of Fossil Energy (FE); USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division; Nielson Energy Fellowship; USDOE Office of Science (SC), Biological and Environmental Research (BER)
- OSTI Identifier:
- 1544785
- Alternate Identifier(s):
- OSTI ID: 1523294
- Report Number(s):
- PNNL-SA-141004
Journal ID: ISSN 1359-7345; CHCOFS
- Grant/Contract Number:
- AC05-76RL01830
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- ChemComm
- Additional Journal Information:
- Journal Volume: 55; Journal Issue: 48; Journal ID: ISSN 1359-7345
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Miller, Quin R. S., Kaszuba, John P., Schaef, Herbert T., Bowden, Mark E., McGrail, B. Peter, and Rosso, Kevin M. Anomalously low activation energy of nanoconfined MgCO3 precipitation. United States: N. p., 2019.
Web. doi:10.1039/c9cc01337g.
Miller, Quin R. S., Kaszuba, John P., Schaef, Herbert T., Bowden, Mark E., McGrail, B. Peter, & Rosso, Kevin M. Anomalously low activation energy of nanoconfined MgCO3 precipitation. United States. https://doi.org/10.1039/c9cc01337g
Miller, Quin R. S., Kaszuba, John P., Schaef, Herbert T., Bowden, Mark E., McGrail, B. Peter, and Rosso, Kevin M. 2019.
"Anomalously low activation energy of nanoconfined MgCO3 precipitation". United States. https://doi.org/10.1039/c9cc01337g. https://www.osti.gov/servlets/purl/1544785.
@article{osti_1544785,
title = {Anomalously low activation energy of nanoconfined MgCO3 precipitation},
author = {Miller, Quin R. S. and Kaszuba, John P. and Schaef, Herbert T. and Bowden, Mark E. and McGrail, B. Peter and Rosso, Kevin M.},
abstractNote = {In this work, magnesite (MgCO3) precipitation within the nanoconfined space of adsorbed H2O films (~5 monolayers) was determined to have an apparent activation energy of only 36 ± 6 kJ mol–1, suggesting that Mg2+ under nanoconfinement adopts a hydration configuration that mimics that of aqueous Ca2+, at least energetically, if not also specifically in hydration structure.},
doi = {10.1039/c9cc01337g},
url = {https://www.osti.gov/biblio/1544785},
journal = {ChemComm},
issn = {1359-7345},
number = 48,
volume = 55,
place = {United States},
year = {Wed May 29 00:00:00 EDT 2019},
month = {Wed May 29 00:00:00 EDT 2019}
}
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