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Title: Evolution and Enabling Capabilities of Spatially Resolved Techniques for the Characterization of Heterogeneously Catalyzed Reactions

Abstract

The development and optimization of catalysts and catalytic processes requires knowledge of reaction kinetics and mechanisms. In traditional catalyst kinetic characterization, the gas composition is known at the inlet, and the exit flow is measured to determine changes in concentration. As such, the progression of the chemistry within the catalyst is not known. Technological advances in electromagnetic and physical probes have made visualizing the evolution of the chemistry within catalyst samples a reality, as part of a methodology commonly known as spatial resolution. Herein, we discuss and evaluate the development of spatially resolved techniques, including the evolutions and achievements of this growing area of catalytic research. The impact of such techniques is discussed in terms of the invasiveness of physical probes on catalytic systems, as well as how experimentally obtained spatial profiles can be used in conjunction with kinetic modeling. Moreover, some aims and aspirations for further evolution of spatially resolved techniques are considered.

Authors:
 [1];  [2];  [3];  [4];  [4];  [3];  [4];  [3];  [4];  [4];  [3]
  1. School of Mechanical and Aerospace Engineering, Queen’s University Belfast, Ashby Building, Stranmillis Road, Belfast BT9 5AH, United Kingdom
  2. Department of Chemical and Materials Engineering, King Abdulaziz University, Jeddah, Saudi Arabia
  3. Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory, P.O. Box 2008, MS-6472, Oak Ridge, Tennessee 37831-6472, United States
  4. School of Chemistry and Chemical Engineering, Queen’s University Belfast, David Keir Building, Stranmillis Road, Belfast BT9 5AG, United Kingdom
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1237385
Alternate Identifier(s):
OSTI ID: 1236596
Grant/Contract Number:  
Vehicle Technologies Office; AC05-00OR22725
Resource Type:
Journal Article: Published Article
Journal Name:
ACS Catalysis
Additional Journal Information:
Journal Name: ACS Catalysis Journal Volume: 6 Journal Issue: 2; Journal ID: ISSN 2155-5435
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; spatial resolution; catalyst characterization; monoliths; packed beds; electromagnetic probes; physical probes

Citation Formats

Morgan, Kevin, Touitou, Jamal, Choi, Jae-Soon, Coney, Ciarán, Hardacre, Christopher, Pihl, Josh A., Stere, Cristina E., Kim, Mi-Young, Stewart, Caomhán, Goguet, Alexandre, and Partridge, William P. Evolution and Enabling Capabilities of Spatially Resolved Techniques for the Characterization of Heterogeneously Catalyzed Reactions. United States: N. p., 2016. Web. doi:10.1021/acscatal.5b02602.
Morgan, Kevin, Touitou, Jamal, Choi, Jae-Soon, Coney, Ciarán, Hardacre, Christopher, Pihl, Josh A., Stere, Cristina E., Kim, Mi-Young, Stewart, Caomhán, Goguet, Alexandre, & Partridge, William P. Evolution and Enabling Capabilities of Spatially Resolved Techniques for the Characterization of Heterogeneously Catalyzed Reactions. United States. https://doi.org/10.1021/acscatal.5b02602
Morgan, Kevin, Touitou, Jamal, Choi, Jae-Soon, Coney, Ciarán, Hardacre, Christopher, Pihl, Josh A., Stere, Cristina E., Kim, Mi-Young, Stewart, Caomhán, Goguet, Alexandre, and Partridge, William P. 2016. "Evolution and Enabling Capabilities of Spatially Resolved Techniques for the Characterization of Heterogeneously Catalyzed Reactions". United States. https://doi.org/10.1021/acscatal.5b02602.
@article{osti_1237385,
title = {Evolution and Enabling Capabilities of Spatially Resolved Techniques for the Characterization of Heterogeneously Catalyzed Reactions},
author = {Morgan, Kevin and Touitou, Jamal and Choi, Jae-Soon and Coney, Ciarán and Hardacre, Christopher and Pihl, Josh A. and Stere, Cristina E. and Kim, Mi-Young and Stewart, Caomhán and Goguet, Alexandre and Partridge, William P.},
abstractNote = {The development and optimization of catalysts and catalytic processes requires knowledge of reaction kinetics and mechanisms. In traditional catalyst kinetic characterization, the gas composition is known at the inlet, and the exit flow is measured to determine changes in concentration. As such, the progression of the chemistry within the catalyst is not known. Technological advances in electromagnetic and physical probes have made visualizing the evolution of the chemistry within catalyst samples a reality, as part of a methodology commonly known as spatial resolution. Herein, we discuss and evaluate the development of spatially resolved techniques, including the evolutions and achievements of this growing area of catalytic research. The impact of such techniques is discussed in terms of the invasiveness of physical probes on catalytic systems, as well as how experimentally obtained spatial profiles can be used in conjunction with kinetic modeling. Moreover, some aims and aspirations for further evolution of spatially resolved techniques are considered.},
doi = {10.1021/acscatal.5b02602},
url = {https://www.osti.gov/biblio/1237385}, journal = {ACS Catalysis},
issn = {2155-5435},
number = 2,
volume = 6,
place = {United States},
year = {Thu Jan 28 00:00:00 EST 2016},
month = {Thu Jan 28 00:00:00 EST 2016}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at https://doi.org/10.1021/acscatal.5b02602

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Cited by: 53 works
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