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Analysis on the Trend of the Utilization of Woody Biomass - Production, supply, and practical use of woody biomass -

목질 바이오매스의 활용에 대한 동향 분석 - 목질 바이오매스의 생산·공급, 그리고 활용을 중심으로 -

  • Ahn, Byeong-Il (Dept. of Food and Resource Economics, Korea University) ;
  • Kim, Chul-Hwan (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Lee, Ji-Young (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Shim, Sung-Woong (Graduate student, Dept. of Forest Products, Gyeongsang National Univ.) ;
  • Jo, Hu-Seung (Graduate student, Dept. of Forest Products, Gyeongsang National Univ.) ;
  • Lee, Gyeong-Sun (Graduate student, Dept. of Forest Products, Gyeongsang National Univ.) ;
  • Lee, Jee-Young (Graduate student, Dept. of Forest Products, Gyeongsang National Univ.)
  • Received : 2012.07.23
  • Accepted : 2012.08.06
  • Published : 2012.08.30

Abstract

Wood biomass including forest residues, waste wood, and construction residuals has been widely generated in Korea, but forest biomass from the National Forest Management Operation Project plays a big role in generating wood biomass. Unfortunately the promotion policy of woody energy organized by the Forest Service in Korea concentrates more on demand creation rather than on supply expansion. Therefore, in order to utilize insufficient wood resources effectively, it is greatly required to develop uses for maximizing their added value. In particular, more attention to the use of the second generation biomass has been paid in foreign countries because there is a threshold that the first generation biomass cannot produce enough biofuel without threatening food supplies and biodiversity. In Korea, wood pellets are regarded as the alternative clean fuels to oils and coals that emit green house gases into the atmosphere. However, using wood as pellet raw materials can not be an economic way because the value of wood disappears right after burning in the boiler in spite of its contribution to the decrease of carbon emission. Differently from wood pellets, kraft pulping process using woody biomass produces black liquor as a by-product which can be used to generate electricity, bioenergy and biochemicals through gasification. Thus, it can be more economical to make a torrefaction of lignocellulosic biomass such as low-quality wood and agricultural leftovers as raw materials of pellets.

Keywords

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