Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Effects of reaction conditions on composition of the organic liquid product during the deoxygenation process of palm oil

팜유(Plam Oil)의 탈산소 공정 중 운전 조건이 생성물의 조성에 미치는 영향

  • Kim, Sungtak (Plant Engineering Division, Institute for Advanced Engineering (IAE)) ;
  • Jang, Jeong Hee (Plant Engineering Division, Institute for Advanced Engineering (IAE)) ;
  • Ahn, Minhwei (Plant Engineering Division, Institute for Advanced Engineering (IAE)) ;
  • Kwak, Yeonsu (Plant Engineering Division, Institute for Advanced Engineering (IAE)) ;
  • Han, Gi Bo (Plant Engineering Division, Institute for Advanced Engineering (IAE)) ;
  • Jeong, Byung Hun (Advanced Propulsion Technology Center, Agency for Defense Development) ;
  • Han, Jeong Sik (Advanced Propulsion Technology Center, Agency for Defense Development) ;
  • Kim, Jae-Kon (Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority)
  • 김성탁 (플랜트엔지니어링본부, 고등기술연구원) ;
  • 장정희 (플랜트엔지니어링본부, 고등기술연구원) ;
  • 안민회 (플랜트엔지니어링본부, 고등기술연구원) ;
  • 곽연수 (플랜트엔지니어링본부, 고등기술연구원) ;
  • 한기보 (플랜트엔지니어링본부, 고등기술연구원) ;
  • 정병훈 (제4기술연구본부, 국방과학연구소) ;
  • 한정식 (제4기술연구본부, 국방과학연구소) ;
  • 김재곤 (한국석유관리원 석유기술연구소)
  • Received : 2018.08.16
  • Accepted : 2018.09.18
  • Published : 2018.09.30
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Abstract

Selection of optimum reaction conditions during deoxygenation process of palm oil is essential factor to obtain the maximum yield of bio-jet fuel. In this context, the deoxygenation of palm oil was carried out in a fixed bed reactor with an internal diameter of 1 inch loaded with a 1 wt.% $Pt/Al_2O_3$ catalyst. The composition of the organic liquid product(OLP), which can be utilized as a transportation fuel through the upgrading process, was analyzed by a gas chromatography method. The palm oil/hydrogen ratio and hydrogen pressure in the feed affected the decarboxylation(DCB) and hydrodeoxygenation(HDO) reactions, resulting in a change in the composition of the OLP. As the reaction temperature increased, the continuous cracking reaction of the deoxygenation product was promoted and the product composition in the $C_5{\sim}C_{14}$ region was increased. Thus, the results can help to understand the characteristics of deoxidation reaction of palm oil as well as the subsequent process, hydro-upgrading, to obtain the maximum yield of bio-jet fuel.

식물성 오일을 이용한 바이오 항공유의 제조공정에서 탈산소 반응의 적절한 운전조건 선정을 통한 생성물 물성 최적화는 최대의 바이오항공유 수율을 얻기 위해 필수적인 요소이다. 이에 따라 팜유의 탈산소화 반응이 1 wt.% $Pt/Al_2O_3$촉매가 장입된 내경이 1인치인 고정층 반응기에서 수행되었다. 업그레이딩 공정을 통하여 수송 연료로 활용될 수 있는 액체 생성물(organic liquid product)은 가스크로마토그래피 방법으로 그 조성을 분석하였다. 피드 내의 팜유/수소 비율과 수소 압력은 탈카르복실레이션과 수첨탈산소 반응에 영향을 주어 생성물의 조성 변화를 초래하였다. 반응 온도가 증가함에 따라 탈산소 생성물의 연속적 크래킹 반응이 촉진되어 $C_5{\sim}C_{14}$영역의 생성물 조성이 증가하였다. 본 연구의 결과는 팜유의 탈산소화 반응 특성의 이해 뿐 아니라 연속 공정인 수첨 업그레이딩 공정을 통한 바이오 항공유의 제조에 도움을 줄 수 있다.

Keywords

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