신재생에너지 (New & Renewable Energy)

  • 제19권4호
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  • Pages.2-10
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  • 2023
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  • 1738-3935(pISSN)
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  • 2713-9999(eISSN)
한국신·재생에너지학회 (Korean Society for New and Renewable Energy)
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저급 폐유지의 바이오디젤 원료 활용을 위한 중화탈산 및 FAME 전환 가능성 평가

Evaluation of Neutralization and FAME Conversion of Low-grade Waste Oil as Biodiesel Feedstock

  • Joon-pyo Lee (Gwangju Clean Energy Research Center, Korea Institute of Energy Research) ;
  • Jin-suk Lee (SugarEn Inc.) ;
  • Ji-yeon Park (Bioenergy and Resources Upcycling Research Laboratory, Korea Institute of Energy Research) ;
  • Min-cheol Kim (Bioenergy and Resources Upcycling Research Laboratory, Korea Institute of Energy Research) ;
  • Jae-wan Cho (Bioenergy and Resources Upcycling Research Laboratory, Korea Institute of Energy Research) ;
  • Deog-keun Kim (Bioenergy and Resources Upcycling Research Laboratory, Korea Institute of Energy Research)
  • 투고 : 2023.11.22
  • 심사 : 2023.12.03
  • 발행 : 2023.12.25
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초록

The current mandatory domestic biodiesel blending ratio is 3.5%, which is planned to be gradually increased to achieve carbon neutrality by 2050. The aim of this study was to improve domestic self-sufficiency in biodiesel raw oil by conducting a technical review on the possibility of utilizing waste oils, such as soup oil, chicken oil, and leather oil, as biodiesel feedstocks. These waste oils have an acid value that is too high to be converted directly into biodiesel. Therefore, a pretreatment to reduce the acid value is necessary. The neutralization process was examined as a potential technology for reducing the acid value. The oil recovery rate of the soup oil after neutralization was significantly low at 37.6 wt%. The oil recovery rates of leather oil and chicken oil were 66.49 wt% and 79.08 wt%, respectively. Based on biodiesel conversion experiment using waste oil with a reduced acid value, the conversions were analyzed as 89 wt%, 91.1 wt%, and 90.5 wt% for soup oil, leather oil, and chicken oil, respectively. Thus, it is technically possible to use soup oil, leather oil, and chicken oil as raw materials for producing biodiesel.

키워드

과제정보

본 연구는 산업통상자원부의 재원으로 한국에너지기술평가원(KETEP)의 지원(2021010000001B)에 의해 이루어진 것이며, 이에 감사드립니다.

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