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2022 Vol.34, Issue 3 Preview Page

Research Article

Production and Fuel Properties of Wood Chips from Short-rotation Coppice based on Harvesting Methods

수확방법에 따른 단벌기 목재에너지림 목재칩의 생산 및 연료 특성

Yun-Sung Choi1
,
Min-Jae Cho1
,
Ho-Seong Mun2
,
Jae-Heun Oh3*
최 윤성1
,
조 민재1
,
문 호성2
,
오 재헌3*
1Ph.D. Researcher, Forest Technology and Management Research Center, National Institute of Forest Science
2Research official, Forest Technology and Management Research Center, National Institute of Forest Science
3Senior Researcher, Forest Technology and Management Research Center, National Institute of Forest Science
1국립산림과학원 산림기술경영연구소 박사연구원
2국립산림과학원 산림기술경영연구소 연구사
3국립산림과학원 산림기술경영연구소 연구관
*Corresponding Author
31 December 2022. pp. 310-325
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Abstract

This study was conducted to compare the productivity and cost of harvesting and processing system between manual and mechanized methods in short-rotation coppice (SRC). The wood chips were divided into class based on their characteristics. There was also a consideration whether the fuel conditions of the energy facilities were suitable. The cost of mechanized harvesting system (48,525 won/Gwt) was lower than that of manual harvesting system (107,350 won/Gwt) by approximately 54.8%. The results of the fuel properties analysis for wood chips A (chipping immediately after harvesting) and wood chips B (chipping after drying) showed that wood chips A was not suitable because of the bulk density, and wood chips B was evaluated to be a second class based on the quality standards of wood chips in all conditions. The wood chips B was available at all energy facilities except gasification combined heat and power system (CHP), which required low moisture content (less than 13%). In addition, if the quality of wood chips was improved, (increased storability, uniformity of wood chips size, and reduced fines) by performing drying and screening operation after chipping, it can be used for all energy facilities.

Keywords
Forest biomass
Fuel properties
Productivity and cost
Short-rotation coppice
Wood chips
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Information
  • Publisher :Agriculture and Life Sciences Research Institute, Kangwon National University
  • Publisher(Ko) :강원대학교 농업생명과학대학 농업생명과학연구원
  • Journal Title :Journal of Agricultural, Life and Environmental Sciences
  • Journal Title(Ko) :농업생명환경연구
  • Volume : 34
  • No :3
  • Pages :310-325
  • Received Date : 2022-09-18
  • Revised Date : 2022-11-04
  • Accepted Date : 2022-11-09
  • DOI :https://doi.org/10.22698/jales.20220031
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