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Title: Reactor for tracking catalyst nanoparticles in liquid at high temperature under a high-pressure gas phase with X-ray absorption spectroscopy

Abstract

Structure of catalyst nanoparticles dispersed in liquid phase at high temperature under gas phase of reactant(s) at higher pressure (≥5 bars) is important for fundamental understanding of catalytic reactions performed on these catalyst nanoparticles. Most structural characterizations of a catalyst performing catalysis in liquid at high temperature under gas phase at high pressure were performed in an ex situ condition in terms of characterizations before or after catalysis since, from technical point of view, access to the catalyst nanoparticles during catalysis in liquid phase at high temperature under high pressure reactant gas is challenging. Here we designed a reactor which allows us to perform structural characterization using X-ray absorption spectroscopy including X-ray absorption near edge structure spectroscopy and extended X-ray absorption fine structure spectroscopy to study catalyst nanoparticles under harsh catalysis conditions in terms of liquid up to 350 °C under gas phase with a pressure up to 50 bars. Finally, this reactor remains nanoparticles of a catalyst homogeneously dispersed in liquid during catalysis and X-ray absorption spectroscopy characterization.

Authors:
 [1];  [2]
+ Show Author Affiliations
  1. Univ. of Kansas, Lawrence, KS (United States). Dept. of Chemical and Petroleum Engineering; Univ. of Kansas, Lawrence, KS (United States). Dept. of Chemistry
  2. (Feng) [Univ. of Kansas, Lawrence, KS (United States). Dept. of Chemical and Petroleum Engineering; Univ. of Kansas, Lawrence, KS (United States). Dept. of Chemistry
Publication Date:
Research Org.:
Univ. of Kansas, Lawrence, KS (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1540128
Grant/Contract Number:  
SC0014561
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 89; Journal Issue: 2; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; Instruments & Instrumentation; Physics

Citation Formats

Nguyen, Luan, and Tao, Franklin. Reactor for tracking catalyst nanoparticles in liquid at high temperature under a high-pressure gas phase with X-ray absorption spectroscopy. United States: N. p., 2018. Web. doi:10.1063/1.5003184.
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Nguyen, Luan, & Tao, Franklin. Reactor for tracking catalyst nanoparticles in liquid at high temperature under a high-pressure gas phase with X-ray absorption spectroscopy. United States. https://doi.org/10.1063/1.5003184
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Nguyen, Luan, and Tao, Franklin. Wed . "Reactor for tracking catalyst nanoparticles in liquid at high temperature under a high-pressure gas phase with X-ray absorption spectroscopy". United States. https://doi.org/10.1063/1.5003184. https://www.osti.gov/servlets/purl/1540128.
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@article{osti_1540128,
title = {Reactor for tracking catalyst nanoparticles in liquid at high temperature under a high-pressure gas phase with X-ray absorption spectroscopy},
author = {Nguyen, Luan and Tao, Franklin},
abstractNote = {Structure of catalyst nanoparticles dispersed in liquid phase at high temperature under gas phase of reactant(s) at higher pressure (≥5 bars) is important for fundamental understanding of catalytic reactions performed on these catalyst nanoparticles. Most structural characterizations of a catalyst performing catalysis in liquid at high temperature under gas phase at high pressure were performed in an ex situ condition in terms of characterizations before or after catalysis since, from technical point of view, access to the catalyst nanoparticles during catalysis in liquid phase at high temperature under high pressure reactant gas is challenging. Here we designed a reactor which allows us to perform structural characterization using X-ray absorption spectroscopy including X-ray absorption near edge structure spectroscopy and extended X-ray absorption fine structure spectroscopy to study catalyst nanoparticles under harsh catalysis conditions in terms of liquid up to 350 °C under gas phase with a pressure up to 50 bars. Finally, this reactor remains nanoparticles of a catalyst homogeneously dispersed in liquid during catalysis and X-ray absorption spectroscopy characterization.},
doi = {10.1063/1.5003184},
journal = {Review of Scientific Instruments},
number = 2,
volume = 89,
place = {United States},
year = {2018},
month = {2}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1063/1.5003184
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Cited by: 1 work
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Figures / Tables:

FIG. 1 FIG. 1: Parr reactor (purchased from Parr Instrument Company) used for performing catalytic reactions on catalyst nanoparticles dispersed in liquid under gas phase of reactant(s) at high pressure. This is a typical setup in the lab to perform catalysis in liquid under gas phase at high pressure. (a) Photo ofmore » a Parr reactor used. (b) Section view of the internal structure of the Parr reactor.« less
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