Related Experiment Video
Updated: Jun 10, 2026

07:30
Fast Pyrolysis of Biomass Residues in a Twin-screw Mixing Reactor
Published on: September 9, 2016
Pyrolysis kinetics and decomposition characteristics of pine trees
Seung-Soo Kim1, Jinsoo Kim, Young-Hun Park
1Department of Chemical Engineering, Kangwon National University, 1 Joongang-ro, Samcheok, Gangwon-do 363-883, Republic of Korea. sskim2008@kangwon.ac.kr
Bioresource Technology
|August 17, 2010
Summary
Pine wilt disease impacts Korean forests. This study explores pine pyrolysis, finding optimal conditions for converting diseased pine into valuable bio-oil and gas, with a focus on gas production.
Area of Science:
- Biomass energy conversion
- Chemical engineering
- Forestry science
Background:
- Pine trees constitute over 35% of Korean forests.
- Pine wilt disease, introduced in 1989, has significantly impacted these trees.
- Pyrolysis offers a method to convert pine biomass into bio-oil, gas, and char.
Purpose of the Study:
- To investigate the pyrolysis characteristics of Korean pine trees.
- To evaluate the kinetics of pine pyrolysis.
- To determine the predominant reaction pathways during pine pyrolysis.
Main Methods:
- Thermogravimetric analysis (TGA) was used to study pyrolysis.
- Heating rates ranged from 5 to 20 °C/min.
- Kinetic parameters were determined using nonlinear least-squares regression assuming first-order kinetics.
Main Results:
- Most pine material decomposed between 330 and 370 °C.
- Apparent activation energy increased from 145 to 302 kJ/mol with increasing conversion.
- The predominant reaction pathway at 330-370 °C favored gas production (C(1)-C(4)) over bio-oil.
Conclusions:
- Pine pyrolysis is a viable method for converting diseased pine biomass.
- Optimal temperature range for decomposition and gas production identified.
- Kinetic analysis provides insights into reaction pathways for biomass conversion.

