Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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A Research Trend of Pretreatment in Bioethanol Production Process with Lignocellulosic Biomass: A Literature Review

목질계 바이오에탄올 생산의 전처리 기술에 관한 연구동향

  • Kim, Yeong-Suk (Dept. of Forest Products, College of Forest Science, Kookmin University)
  • Received : 2009.03.04
  • Published : 2009.05.25
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Abstract

Lignocellulosic biomass is the most abundant raw material for bioconversion in many country. However the high costs for pretreatment and enzymatic hydrolysis currently deter commercialization of lignocellulosic biomass, especially wood biomass which is considered as the most recalcitrant material for enzymatic hydrolysis mainly due to the high lignified structure and the nature of the lignin component. Therefore, overcoming recalcitrance of lignocellulosic biomass for converting carbohydrates into intermediates that can subsequently be converted into biobased fuels and biobased products is the primary technical and economic challenge for bioconversion process. This study was mainly reviewed on the research trend of pretreatment with lignocellulosic biomass in bioethanol production process.

목질바이오매스 원료는 구성성분 특성 및 분포상 생물 화학적 전환에 매우 큰 장애요소를 지니고 있다. 특히 셀룰로우스를 이용하고자 하는 경우의 리그닌 장애는 해결해야 할 중요한 요소로 인식되고 있어 바이오에탄올 생산에서도 당화공정에 앞서 전처리 공정이 필연적이며 최종 에탄올 수율 및 생산비용에도 영향이 커서 다양한 전처리 방법들이 제안되고 있는 상황이다. 본 총설은 문헌연구를 통하여 최근 세계적으로 진행되고 있는 목질바이오매스 대상의 전처리 연구에 대한 동향을 파악하고, 이들 전처리공정의 특징 및 장단점을 분석하여 국내 목질바이오매스 원료 및 생산여건에 적합한 공정 연구 개발에 필요한 기초자료를 마련하고자 하였다. 국내외적으로 활발하게 연구되는 주요 전처리 기술은 각각 공정 및 경제성 면에서 장단점이 있어 원료나 생산여건 환경에 따라 적합한 전처리 공정을 선택해야 할 필요가 있는 것으로 고찰되었다.

Keywords

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