Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Basic Study on Oversea Biomass Energy Resources 1 - Palm Biomass

해외 바이오매스 에너지자원 확보를 위한 기초조사 1 - 팜 바이오매스

  • Received : 2014.02.04
  • Accepted : 2014.04.16
  • Published : 2014.07.25
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Abstract

RPS (Renewable Portfolio Standard) has increased wood pellet demand dramatically in recent years in Korea where self-supply rate of wood pellet is not more than 10%. However global production capacity of wood pellet is prospected to be unable to meet the global demand after 2020. Therefore it is urgently needed to develop new sustainable biomass energy resources which can replace wood pellet at lower cost. As a result of this study EFB (empty fruit bunch) and MF (mesocarp fiber), the representative solid palm biomass, are estimated to be generated at the rate of 20 and 28 million tons per year (based on 10% moisture content) in Malaysia and Indonesia, respectively in 2012. Total annual generation rate of EFB and MF is estimated as 48 million tons per year only in Malaysia and Indonesia in 2012. With calorific value of over 90% of wood pellet EFB is expected to be a excellent biomass energy resource which can replace wood pellet. EFB can be utilized as fuel for power generation or industrial purpose. However EFB may not be a proper fuel for domestic and greenhouse heating because of its high ash content.

2012년 신재생에너지공급의무화제도 시행으로 국내 목재펠릿 수요가 급증하고 있으나, 현재 우리나라의 목재펠릿 자급률은 10% 수준에 머물러, 급증하는 수요를 충족하기 어려울 것으로 예상된다. 따라서 안정적인 공급과 가격이 보장될 수 있는 새로운 바이오매스의 발굴을 통하여 목재펠릿에 대한 폭발적인 수요를 대체하는 일은 우리뿐만 아니라 세계적으로 시급한 과제라 할 수 있다. 본 연구의 분석결과 고체 팜 바이오매스 중 대표적인 EFB (empty fruit bunch)와 MF (mesocarp fiber)의 2012년도 연간 발생량(함수율 10% 기준)이 말레이시아와 인도네시아에서 각각 약 2,800만톤과 2,000만 톤으로, 두 지역에서만 연간 총 4,800만 톤이 발생되는 것으로 추정된다. 연료적 특성에 있어서도 EFB의 발열량이 목재의 90% 수준을 상회하므로 목재펠릿을 대체할 수 있는 우수한 바이오매스 에너지자원이라 할 수 있다. 다만, 높은 회분함량으로 인하여 주택이나 온실의 난방용으로는 부적합하지만 발전용이나 산업용으로는 충분히 사용가능할 것으로 판단된다.

Keywords

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