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  • 1 School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, People's Republic of China
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Abstract

Effects of KNO3, CeO2, Fe2O3, their mixture and their thermally treated mixture on the combustion reactivity of two coals, bituminous coal (BC) and high ash coal (HAC), were investigated by thermogravimetric analysis. The ignition performance, burnout performance and exothermic behavior were used to evaluate the catalytic effect. Moreover, the kinetic parameters were determined using the Coats–Redfern method. The results indicated that the activity sequence of the catalysts on BC relative to the ignition performance can be described as follows: the thermally treated mixture > the mixture > KNO3 > Fe2O3 > CeO2, and the activity sequence relative to the burnout performance is the same. The activity sequence of the catalysts on HAC relative to the ignition performance can be described as follows: the thermally treated mixture > the mixture > Fe2O3 > CeO2 > KNO3, and the activity sequence relative to the burnout performance is the same. The exothermic heats of catalyst-incorporating samples increased and the activation energies of the samples decreased.

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  • Impact Factor (2019): 1.520
  • Scimago Journal Rank (2019): 0.345
  • SJR Hirsch-Index (2019): 39
  • SJR Quartile Score (2019): Q3 Physical and Theoretical Chemistry
  • SJR Quartile Score (2019): Q4 Catalysis
  • Impact Factor (2018): 1.142
  • Scimago Journal Rank (2018): 0.374
  • SJR Hirsch-Index (2018): 37
  • SJR Quartile Score (2018): Q3 Physical and Theoretical Chemistry
  • SJR Quartile Score (2018): Q3 Catalysis

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Reaction Kinetics, Mechanisms and Catalysis
Language English
Size B5
Year of
Foundation
1974
Volumes
per Year
3
Issues
per Year
6
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1878-5190 (Print)
ISSN 1878-5204 (Online)