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Investigating interactions and aggregate structures of boehmite particles toward understanding of bulk rheology

EMSL Project ID
49430
Award DOI
https://dx.doi.org/10.46936/cpcy.proj.2016.49430/60005994

Abstract

 The aim of the proposed research is to understand unique particle interactions in tank waste relevant systems from chemical physics at solid-liquid interfaces, and to determine how those interactions influence long-range ordering (agglomeration) of colloidal waste particles and bulk suspension rheology. Specifically, we will study particle interactions moderated by solvation/hydration forces, in colloidal suspensions at conditions relevant to Hanford tank wastes (high pH, high-ionic strength), evaluate the consequence of those interactions on agglomerate structure and bulk rheology, and develop computational models that allow prediction of measured aggregate structures and bulk rheology from first principles or through experimentally accessible measurements.

Project Details

Start Date
2016-04-15
End Date
2016-09-30
Status
Closed
Released Data Link
https://search.emsl.pnnl.gov/?project_id_search=49430

Team

Principal Investigator

Jaehun Chun
Institution
Pacific Northwest National Laboratory

Co-Investigator(s)

Richard Daniel
Institution
Pacific Northwest National Laboratory

Team Members

Xiao-Ying Yu
Institution
Oak Ridge National Laboratory

Rachel Komorek
Institution
Pacific Northwest National Laboratory

Zhigang Wu
Institution
North University of China

Dongsheng Li
Institution
Pacific Northwest National Laboratory

Related Publications

Wu Z., J. Chun, S. Chatterjee, and D. Li. 2018. "Fabrication of oriented crystals as force measurement tips via focused ion beam and microlithography methods." Surface and Interface Analysis 50, no. 1:117-122. PNNL-SA-126666. doi:10.1002/sia.6346
Yao J, BW Arey, L Yang, F Zhang, RE Komorek, J Chun, and XY Yu. 2017. "In Situ Characterization of Boehmite Particles in Water Using Liquid SEM." Journal of Visualized Experiments (127):Video No. e56058. doi:10.3791/56058
Yu X., B.W. Arey, H. Jung, L. Kovarik, Z. Zhu, T. Troy, and M. Ahmed. 2016. "Correlative Imaging and Spectroscopy of Particles in Liquid." In Correlative Imaging and Spectroscopy of Particles in Liquid, 220-221. PNNL-SA-116186. doi:10.1017/S1431927616001951
Yu X., B.W. Arey, Z. Zhu, J. Yao, F. Zhang, S. Chatterjee, and J. Chun. 2017. "In Situ Imaging and Spectroscopy of Particles in Liquid." In In Situ Imaging and Spectroscopy of Particles in Liquid. PNNL-SA-124198. doi:10.1017/S1431927617005074