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Investigation of the Thermal Degradation Behavior of Coal/Biomass Blends for Kinetics Analysis with Sequential Method Implication

Hafiz Muhammad SHOAIB

Hafiz Muhammad SHOAIB

PhD; Department of Advanced Material Technologies, Faculty of Chemistry, Wroclaw University of Science and TechnologyWroclaw, Poland
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SHOAIB, Hafiz Muhammad
, 
Tayyab QURESHI

Tayyab QURESHI

Lecturer; Department of Technology, University of LahoreLahore, Pakistan
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QURESHI, Tayyab
, 
Ihtisham KHAN

Ihtisham KHAN

PhD; Faculty of Geoengineering, Mining and Geology, Wroclaw University of Science and TechnologyWroclaw, Poland
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KHAN, Ihtisham
, 
Hamayoun MAHMOOD

Hamayoun MAHMOOD

Assoc. Prof.; Department of Chemical Engineering, University of Engineering and TechnologyKala Shah Kaku, Lahore, Pakistan
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MAHMOOD, Hamayoun
 und 
Tanveer IQBAL

Tanveer IQBAL

Assoc. Prof.; Department of Chemical Engineering, University of Engineering and TechnologyKala Shah Kaku, Lahore, Pakistan
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IQBAL, Tanveer
  
31. Dez. 2024
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Online veröffentlicht: 31. Dez. 2024
Seitenbereich: 161 - 168
Eingereicht: 08. Okt. 2024
Akzeptiert: 02. Dez. 2024
DOI: https://doi.org/10.2478/acee-2024-0035
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© 2024 Hafiz Muhammad SHOAIB et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

Higher Heating Value
Higher Heating Value

Figure 2.

Elemental Analysis
Elemental Analysis

Figure 3.

Mass Degradation of coal, rice husk and their blends
Mass Degradation of coal, rice husk and their blends

Figure 4.

DTGA Data Evaluationblends
DTGA Data Evaluationblends

Figure 5.

Activation Energy
Activation Energy

Sample Proportions

Sample Designation Proportions
1 Coal 100%
2 Coal: Rice Husk 75%: 25%
3 Coal: Rice Husk 50%:50%
4 Coal: Rice Husk 25%: 75%
5 Coal: Rice Husk 100%

Kinetics Data

Samples Devolatilization Char Degradation
Tm1 (K) Ea1 (kJ/mol) K (min−1) A (min−1) Tm2 (K) Ea2 (kJ/mol) K (min−1) A (min−1)
100% Coal --- --- --- --- 722.8 60.4 0.1391 3241.1
75/25: C/R 594 22.9 0.0776 7.854 710.6 57.7 0.1375 2413.7
50/50: C/R 584 24.4 0.0845 11.88 707.5 48.8 0.1173 471.5
25/75: C/R 582 27.6 0.0981 29.48 719.6 31.8 0.0739 15.18
100%Rice Husk 574 45.2 0.1645 2111.4 674.3 14.2 0.0373 0.4603
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