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Title: Measurement of colloidal phenomena during flow through refractive index matched porous media

Abstract

Colloidal phenomena in porous media, natural or engineered, are important in a breadth of science and technology applications, but fundamental understanding is hampered by the difficulty in measuring colloid deposit morphology in situ. To partially address this need, this work describes a static light scattering apparatus using a flow cell filled with refractive index matched (RIM) porous media, allowing real-time measurement of colloidal phenomena as a function of depth within the flow cell. A laser interacts with the colloids in the pore space and their structures, but not with the RIM media. The intensity of scattered light is measured as a function of scattering angle, which allows characterization of colloid deposit morphology as a fractal dimension and a radius of gyration. In parallel, fluid discharge rate and pressure drop are recorded to determine permeability, a key parameter for any application involving flow through porous media. This apparatus should prove useful in any application requiring characterization of colloidal phenomena within porous media. Additionally, this paper describes how to use granular Nafion as RIM porous media.

Authors:
 [1];  [2];  [3];  [4];  [1]
  1. Univ. of Colorado, Denver, CO (United States). Dept. of Civil Engineering
  2. Univ. of Colorado, Denver, CO (United States). Dept. of Civil Engineering; Buckley AFB, Aurora, CO (United States)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Earth Sciences Division
  4. Univ. of Colorado, Denver, CO (United States). Dept. of Electrical Engineering
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
Office of Science (SC), Biological and Environmental Research (BER). Earth and Environmental Systems Science Division
OSTI Identifier:
1474892
Alternate Identifier(s):
OSTI ID: 1226105
Grant/Contract Number:  
AC02-05CH11231; SC0006962
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 86; Journal Issue: 11; Related Information: © 2015 AIP Publishing LLC.; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 47 OTHER INSTRUMENTATION

Citation Formats

Roth, Eric J., Mont-Eton, Michael E., Gilbert, Benjamin, Lei, Tim C., and Mays, David C. Measurement of colloidal phenomena during flow through refractive index matched porous media. United States: N. p., 2015. Web. doi:10.1063/1.4935576.
Roth, Eric J., Mont-Eton, Michael E., Gilbert, Benjamin, Lei, Tim C., & Mays, David C. Measurement of colloidal phenomena during flow through refractive index matched porous media. United States. https://doi.org/10.1063/1.4935576
Roth, Eric J., Mont-Eton, Michael E., Gilbert, Benjamin, Lei, Tim C., and Mays, David C. 2015. "Measurement of colloidal phenomena during flow through refractive index matched porous media". United States. https://doi.org/10.1063/1.4935576. https://www.osti.gov/servlets/purl/1474892.
@article{osti_1474892,
title = {Measurement of colloidal phenomena during flow through refractive index matched porous media},
author = {Roth, Eric J. and Mont-Eton, Michael E. and Gilbert, Benjamin and Lei, Tim C. and Mays, David C.},
abstractNote = {Colloidal phenomena in porous media, natural or engineered, are important in a breadth of science and technology applications, but fundamental understanding is hampered by the difficulty in measuring colloid deposit morphology in situ. To partially address this need, this work describes a static light scattering apparatus using a flow cell filled with refractive index matched (RIM) porous media, allowing real-time measurement of colloidal phenomena as a function of depth within the flow cell. A laser interacts with the colloids in the pore space and their structures, but not with the RIM media. The intensity of scattered light is measured as a function of scattering angle, which allows characterization of colloid deposit morphology as a fractal dimension and a radius of gyration. In parallel, fluid discharge rate and pressure drop are recorded to determine permeability, a key parameter for any application involving flow through porous media. This apparatus should prove useful in any application requiring characterization of colloidal phenomena within porous media. Additionally, this paper describes how to use granular Nafion as RIM porous media.},
doi = {10.1063/1.4935576},
url = {https://www.osti.gov/biblio/1474892}, journal = {Review of Scientific Instruments},
issn = {0034-6748},
number = 11,
volume = 86,
place = {United States},
year = {Mon Nov 16 00:00:00 EST 2015},
month = {Mon Nov 16 00:00:00 EST 2015}
}

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Cited by: 2 works
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