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

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Dec 31, 2024

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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
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Architecture and Design, Architecture, Architects, Buildings