Reaction Kinetics of Mixed CuO–Fe2O3 with Methane as Oxygen Carriers for Chemical Looping Combustion
Abstract
Reduction kinetics of alumina supported mixed Cu–ferrite oxide by methane was investigated for chemical looping combustion by the thermogravimetric analyzer (TGA) in the temperature range of 750–900 °C using continuous streams of 10%, 20%, and 30% CH4 concentrations balanced by helium. The rate of reduction was determined by weight change. The variations of activation energies and n values (JMA exponent) during the reduction conversion indicate that the methane combustion with CuO and Fe2O3 proceeds via a multistage reaction process. A kinetic model based on three parallel reactions was applied to the reduction data. In conclusion, the analysis of reduction showed that three reduction steps proceed simultaneously with the activation energies of 55.32 ± 3.11, 70.0 ± 2.0, and 165.0 ± 5.4 kJ/mol, respectively.
- Authors:
-
- National Energy Technology Lab. (NETL), Morgantown, WV (United States); REM Engineering Services, PLLC, Morgantown, WV (United States)
- National Energy Technology Lab. (NETL), Morgantown, WV (United States)
- West Virginia Univ., Morgantown, WV (United States)
- Publication Date:
- Research Org.:
- National Energy Technology Lab. (NETL), Morgantown, WV (United States)
- Sponsoring Org.:
- USDOE Office of Fossil Energy (FE)
- OSTI Identifier:
- 1483264
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Industrial and Engineering Chemistry Research
- Additional Journal Information:
- Journal Volume: 54; Journal Issue: 48; Journal ID: ISSN 0888-5885
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Monazam, Esmail R., Breault, Ronald W., Tian, Hanjing, and Siriwardane, Ranjani. Reaction Kinetics of Mixed CuO–Fe2O3 with Methane as Oxygen Carriers for Chemical Looping Combustion. United States: N. p., 2015.
Web. doi:10.1021/acs.iecr.5b02848.
Monazam, Esmail R., Breault, Ronald W., Tian, Hanjing, & Siriwardane, Ranjani. Reaction Kinetics of Mixed CuO–Fe2O3 with Methane as Oxygen Carriers for Chemical Looping Combustion. United States. https://doi.org/10.1021/acs.iecr.5b02848
Monazam, Esmail R., Breault, Ronald W., Tian, Hanjing, and Siriwardane, Ranjani. Mon .
"Reaction Kinetics of Mixed CuO–Fe2O3 with Methane as Oxygen Carriers for Chemical Looping Combustion". United States. https://doi.org/10.1021/acs.iecr.5b02848. https://www.osti.gov/servlets/purl/1483264.
@article{osti_1483264,
title = {Reaction Kinetics of Mixed CuO–Fe2O3 with Methane as Oxygen Carriers for Chemical Looping Combustion},
author = {Monazam, Esmail R. and Breault, Ronald W. and Tian, Hanjing and Siriwardane, Ranjani},
abstractNote = {Reduction kinetics of alumina supported mixed Cu–ferrite oxide by methane was investigated for chemical looping combustion by the thermogravimetric analyzer (TGA) in the temperature range of 750–900 °C using continuous streams of 10%, 20%, and 30% CH4 concentrations balanced by helium. The rate of reduction was determined by weight change. The variations of activation energies and n values (JMA exponent) during the reduction conversion indicate that the methane combustion with CuO and Fe2O3 proceeds via a multistage reaction process. A kinetic model based on three parallel reactions was applied to the reduction data. In conclusion, the analysis of reduction showed that three reduction steps proceed simultaneously with the activation energies of 55.32 ± 3.11, 70.0 ± 2.0, and 165.0 ± 5.4 kJ/mol, respectively.},
doi = {10.1021/acs.iecr.5b02848},
journal = {Industrial and Engineering Chemistry Research},
number = 48,
volume = 54,
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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Works referencing / citing this record:
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