Effects of heating rate on synergy effects and kinetics during co-pyrolysis of brown coal and wheat straw

The ongoing growth of the global economy necessitates an increased consumption of energy. As a result, biomass, recognized for its cleanliness and renewability, is garnering more attention as an energy source. This study investigated how different heating rates impact the pyrolysis process of biomass (WS), brown coal (GBC), and their blends (in ratios of 1:9 and 5:5). The temperature was elevated from ambient to 1100 °C, under atmospheric pressure with heating rates set at five, ten, and 20 K/min respectively. The findings indicated that as the heating rate increased, the reaction rate accelerated, and the decomposition temperature increased. This could be attributed to the reduced effectiveness and efficiency of heat transfer at higher heating rates compared to lower ones. The effect for blend samples was similar to single fuels, with varying effects on synergistic interactions. Furthermore, the pyrolysis kinetics of WS, GBC, and their blended samples exhibited inconsistent patterns, influenced by factors such as contact duration, heat transfer, particle distribution, and temperature.

• Publication year

  2025

• Venue

  International Conference on Artificial Intelligence and Power System

• Publication date

  2025-09-05

• Fields of study

  Chemistry, Engineering, Environmental Science

• Identifiers
  DOI 10.1117/12.3074601
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

• Co-pyrolysis of coal and biomass blends: Impact of pyrolysis temperature and biomass blending on thermal stability of coal, and composition of pyrolysis products

  2024cited by this paper
• Pyrolysis of castor seed shells: Kinetic and thermodynamic study using thermogravimetric analysis (TGA)

  2024cited by this paper
• Effects of different types of inorganic potassium in biomass on volatile-char interactions for co-pyrolysis of coal and biomass

  2024cited by this paper
• Study on the mechanism of catalytic fast co-pyrolysis of biomass and coal tar asphaltenes: Gas-liquid-solid products' optimization

  2023cited by this paper
• Effect of inherent mineral matter on the co-pyrolysis of highly reactive brown coal and wheat straw

  2019cited by this paper
• Interaction between biomass and different rank coals during co-pyrolysis

  2010cited by this paper
• Influence of mineral matter on pyrolysis of palm oil wastes

  2006cited by this paper
• Pyrolysis kinetics of lignocellulosic materials—three independent reactions model

  1999cited by this paper
• Kinetic Parameters from Thermogravimetric Data

  1964cited by this paper

• No citing papers are available for this paper.