Pyrolysis and Combustion Characteristics of an Pinus densiflora for the Protection of Forest Resources

산림자원 보호를 위한 적송의 열분해 및 연소 특성 연구

  • Park, Jin-Mo (Department of Chemical Engineering, Kangwon National University) ;
  • Kim, Seung-Soo (Department of Chemical Engineering, Kangwon National University)
  • 박진모 (강원대학교 삼척캠퍼스 화학공학과) ;
  • 김승수 (강원대학교 삼척캠퍼스 화학공학과)
  • Received : 2010.09.10
  • Accepted : 2010.09.13
  • Published : 2010.12.10

Abstract

The forest area of domestic is 6370304 ha, which covers 70% of the whole country, and especially Gangwon-do is remarkably larger than other Province. A thick forest of the country has the most basic component among other natural environments as well as it has invaluable worth to human being such as scientific research and educational value. However due to the breakout of forest fire since 1990s, the loss of trees, destruction of natural environment and ecology, economic damage have been occurring and its scale also has become larger. The causes of becoming larger in scale are resulted from forest components which mainly consist of needle leaf trees, wide leaf trees, fallen leaves, herbaceous plants so that it has been a direct cause for forest fire. However, few research on combustion and pyrolysis characteristics has been done in domestic and abroad. The study on the combustion and pyrolysis for Pinus densiflora which are typical needle leaf trees has been tried using TGA. Pinus desiflora started to being ignited at around $162^{\circ}C$ and pyrolysis was done at around $197^{\circ}C$. Differential method was applied to calculate activation energy and frequency factor according to the variation of conversion. Activation energy in pyrolysis was increased from 79 kJ/mol to 487 kJ/mol with increasing conversion and average activation energy was 195 kJ/mol. The activation energy in combustion was decreased from 148 kJ/mol to 133 kJ/mol.

Acknowledgement

Supported by : 강원대학교

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