한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제32권2호
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  • Pages.348-361
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  • 2015
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  • 1225-9098(pISSN)
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  • 2288-1069(eISSN)
한국응용과학기술학회 (The Korean Society of Applied Science and Technology)
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PKO 및 코코넛유래 바이오디젤 중 글리세린함량 분석 방법 개선 연구

Study on free and bond glycerines in Biodiesel from PKO(Palm Kernel Oil) and coconut oil

  • 이돈민 (한국석유관리원 석유기술연구소) ;
  • 박천규 (한국석유관리원 석유기술연구소) ;
  • 하종한 (한국석유관리원 석유기술연구소) ;
  • 이봉희 (충북대학교 공과대학 화학공학과)
  • Lee, Don-Min (Petroleum Technology R&D Center, Korea Petroleum Quality & Distribution Authority) ;
  • Park, Chun-Kyu (Petroleum Technology R&D Center, Korea Petroleum Quality & Distribution Authority) ;
  • Ha, Jong-Han (Petroleum Technology R&D Center, Korea Petroleum Quality & Distribution Authority) ;
  • Lee, Bong-Hee (Dept. of Chemical Engineering, Chungbuk National University)
  • 투고 : 2015.06.05
  • 심사 : 2015.06.23
  • 발행 : 2015.06.30
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초록

오늘날 지구온난화를 줄이기 위한 노력으로 온실가스 저감 기술 개발에 대한 노력이 정부차원에서 이루어지고 있으며 그 일환으로 국내에서는 2006년부터 자동차용 경유에 바이오디젤이 혼입되고 있다. 비록 일부 품질 기준상의 개선사항이 남아 있고 대부분의 원료를 수입에 의존하고 있다는 점에서 제한요소가 있음에도 2013년 기준 년간 400kton를 생산하고 있으며 향후 신재생에너지 연료 혼합의무화 제도(RFS)가 시행되면 그 생산양은 더욱 증가할 것으로 예상되는바 원료 다변화를 통한 원료 불균형 해소와 이에 따른 적절한 연구 개발이 필요하다. 본 연구에서는 신규 바이오디젤 원료로 검토되고 있는 라우릭산 메틸에스터($C_{12:0}$ FAME) 중심의 팜핵유(PKO, Palm Kernel Oil)와 코코넛유 유래 바이오디젤을 대상으로 국내 품질기준 중 차량 연소계통과 저온성능에 문제를 일으킬 수 있는 글리세린 함량 분석과 관련하여 기존 시험방법(KS M 2412)의 적용 가능성을 조사하였다. 이를 바탕으로 기존 분석조건에서 발생되는 카프릭산 메틸에스터($C_{10:0}$ FAME)와의 피크겹침, 총글리세린 도출관련 계산평형상수 등에 대한 개선 사항을 도출하고 보다 다양한 원료를 이용한 바이오디젤 내 글리세린 분석 가능한 시험방법 개발 가능성을 검토하였다.

To reduce the effects of greenhouse gas (GHG) emissions, the government has announced the special platform of technologies as parts of an effort to minimize global climate change, and the government distributed biodiesel since 2006 as the further efforts. Although there are some debates about some quality specifications and unbalanced of source (44% from palm oil), more than 400kton/year of biodiesel was produced in 2013. Moreover the amounts will be increased when the RFS is activated. To solve the unbalanced situation and to achieve the diversity of feeds, it is essential that many researches should be considered. Especially, free and bond glycerines are one of the important properties seriously affected to the combustion system in vehicle & cold properties. Previous method (KS M 2412) couldn't cover the biodiesel derived from lauric oil($C_{12:0}$) such as PKO (Palm Kernel Oil), Coconut oil because those compositions are lighter than other conventional biodiesel sources. In this study, we review the existed method and figure out the factors should improve to analysis the glycerine from PKO and Coconut oil biodiesel. Modifying the analysis conditions to enhance the resolution and change the internal standards to avoid the overlapped- peaks between Capric acid ME ($C_{10:0}$) and standard#1(1,2,4-butantriol). From this revised method, we could solve the restrictions of previous methods. And check the possibility of new method to analyze the glycerine in biodiesel regardless of sources.

키워드

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