Pellets Made with Rapeseed Flour and Rape Stalk Obtained from the Production of Bio-diesel and the Evaluation of Its Characteristics

바이오디젤 생산 부산물인 유채박 및 유채대를 이용한 펠릿연료의 제조 및 품질 평가

  • Yang, In (Department of Wood and Paper Science, Chungbuk National University) ;
  • Oh, Sei-Chang (Department of Forest Resources Science, Daegu University) ;
  • Ahn, Sye-Hee (Department of Forest Resources Science, Daegu University) ;
  • Choi, In-Gyu (Department of Forest Sciences, Seoul National University) ;
  • Kim, Yong-Hyun (Shin heung Ind. Co.) ;
  • Lee, Soo-Min (Korea Forest Research Institute) ;
  • Han, Gyu-Seong (Department of Wood and Paper Science, Chungbuk National University)
  • 양인 (충북대학교 목재종이과학과) ;
  • 오세창 (대구대학교 산림자원학과) ;
  • 안세희 (대구대학교 산림자원학과) ;
  • 최인규 (서울대학교 산림과학부 환경재료과학전공) ;
  • 김용현 ((명)신흥기업사) ;
  • 이수민 (국립산림과학원) ;
  • 한규성 (충북대학교 목재종이과학과)
  • Published : 2011.01.31

Abstract

This work was conducted to examine the potential of rapeseed flour (RF) and rape stalk (RS), which are by-products provided from the production of bio-diesel, as a raw material of solid bio-fuels. At first, the chemical compositions of RF and RS were analyzed, and then pellets were made by RF and RS. After that, the characteristics of RF, RS and the pellets were investigated. Ash contents of RF and RS were much higher than those of wood pellet and the pellet standard adopted by Korea Forest Research Institute (KFRI). In the elemental analyses, high contents of nitrogen and sulfur were detected from RF and RS. For the characteristics of RF, RS and the pellets, higher heating values of RF and RS were lower than wood pellet, but the moisture content and density of RF- and RS-pellet were satisfied with KFRI standard for 1st-grade pellet. The durability of RF-pellet was in excess of KFRI standard for 1st-grade pellet, but that of RS-pellet was little bit higher than KFRI standard for 3rd-grade pellet. Based on the results of our works, RF and RS might be used as a raw material of low-grade pellets for cogeneration or large-scale plants. Further processes for the improvements of basic characteristics, such as ash content, nitrogen and sulfur contents, and heating value, are required for RF and RS to be used as a raw materials of high-grade pellet.

Keywords

References

  1. European Bioenergy Network : Use of renewable energy and biomass in EU 27, 2006, http://www.eubionet.net/default.asp?SivuID=25346 (2008) (Access date: May 05, 2010)
  2. European Biomass Association : Statistics of bioenergy, http://www.aebiom.org/?cat=5 (2008) (Access date: May 07, 2010)
  3. 한규성 : 목질바이오매스를 이용한 펠릿연료의 제조, 한국신.재생에너지학회 2006년도 추계학술대회논문집, pp. 521-524 (2006)
  4. 류재윤, 강찬영, 이응수, 서준원, 이현종, 박헌 : 국내 산낙엽송의 톱밥 유형에 따른 펠릿특성에 관한 연구, 목재공학회지, Vol. 38, No. 1, pp. 49-55 (2010)
  5. 한규성, 여진기 : 고밀화에 의한 현사시 톱밥의 고형 연료화, 임산에너지, Vol. 22, No. 2, pp. 54-59 (2003)
  6. 한규성, 최돈하 : 포플러로부터 고밀화연료의 제조, 임산에너지, Vol. 21, No. 3, pp. 59-65 (2002)
  7. 권구중, 김남훈, 차두송 : 국내 시판중인 목재펠릿의 특성, Journal of Forest Science, Vol. 25, No. 2, pp. 127-130 (2009)
  8. 이수민, 이오규, 안병준, 최석환, 조성택, 김외정 : 저탄소녹색성장시대 청정에너지 목재펠릿, 산림과학속보, 국립산림과학원, Vol. 9, No. 2, pp. 09-02 (2009)
  9. Association of Official Analytical Chemists : Analytical methods for chemical composition, 15th ed., Academic Press, Inc., Arlington, VA, pp. 313-319 (1990)
  10. 국립산림과학원 : 목질펠릿 품질 규격, 국립산림과학원 고시 제2009-2호 (2009)
  11. Obernberger, I. and Thek, G. : Physical characterization and chemical composition of densified biomass fuels with regard to their combustion behaviour, Biomass and Bioenergy, Vol. 27, pp. 653-669 (2004) https://doi.org/10.1016/j.biombioe.2003.07.006
  12. 권성민, 조재현, 이성재, 권구중, 황병호, 이귀현, 한규성, 차두송, 김남훈 : 산불피해 소나무재의 목질펠릿으로의 이용가능성 평가, 목재공학회지, Vol. 35, No. 4, pp. 14-20 (2007)
  13. Holt, G. A., Blodgett, T. I. and Nakamura, F. S. : Physical and combustion characteristics of pellet fuel from cotton gin by-products produced by select processing treatments, Industrial Crops and Products, Vol. 24, No. 3, pp. 204-213 (2006) https://doi.org/10.1016/j.indcrop.2006.06.005
  14. Cordero, T., Marquez, F., Rodriguez-Mirasol, J. and Rodriguez, J. : Predicting heating values of lignocellulosics and carbonaceous materials from proximate analysis, Fuel, Vol. 80, pp. 1567-1571 (2001) https://doi.org/10.1016/S0016-2361(01)00034-5