화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Chemical Engineering Research, Vol.54, No.5, 712-718, October, 2016
DOI10.9713/kcer.2016.54.5.712  Export Citation
n-Octadecane 으로부터 항공유 제조를 위한 Pt-Mg/mesoporous aluminosilicate 촉매 연구
A Study of Pt-Mg/Mesoporous Aluminosilicate Catalysts for Synthesis of Jet-fuel from n-Octadecane
정은아, 김철웅1, 전종기†
  • 공주대학교 화학공학부, 31080 충남 천안시 서북구 천안대로 1223-24
  • 1한국화학연구원 CCP융합연구단, 34114 대전광역시 유성구 가정로 141
Euna Jung, Chul-Ung Kim1, and Jong-Ki Jeon†
  • Department of Chemical Engineering, Kongju National University, 1223-24, Cheonan-daero, Seobuk-gu, Cheonan, Chungnam, 31080, Korea
  • 1Center for Convergent Chemical Process, Korea Research Institute of Chemical Technology, 141, Gajeong-ro, Yuseong-gu, Daejeon, 34114, Korea
E-mail:
초록
Y 제올라이트로부터 합성한 메조 포러스 물질을 지지체로 사용한 백금 촉매를 n-octadecane의 수첨업그레이딩 반응을 통한 항공유 제조에 적용 하였다. Y 제올라이트를 골격 구성물질로 사용하여 메조 포러스 알루미노실리케이트(MMZHY)를 합성 하였다. Pt/MMZHY 촉매상에서 Mg 첨가가 n-octadecane의 수첨업그레이딩 반응에 미치는 영향을 고찰 하였다. 촉매의 특성은 X 선 회절, 질소 흡착, 승온환원, 암모니아승온탈착 및 흡착 피리딘 적외선 분광법으로 수행 하였다. 본 연구에서 Mg가 2 wt% 첨가된 Pt/MMZHY 촉매가 가장 높은 항공유 수율을 보였는데, 이는 Mg의 첨가에 의해 Pt금속의 분산도와 환원도가 증가할 뿐만 아니라, 산점의 양과 세기가 증가하기 때문이다. 또한 PtMg/MMZHY 촉매 상에서 이소 파라핀에 대한 선택도가 80 % 이상임을 확인하였다.
Platinum catalysts supported on the mesoporous material synthesized from Y zeolite were applied to synthesis of jet-fuel through n-octadecane hydroupgrading. The mesoporous aluminosolicate, MMZHY was synthesized using Y zeolite as its framework source. The effect of the addition of Mg to Pt/MMZHY catalyst for n-octadecane hydroupgrading was investigated. Catalyst characterization was performed with X-ray diffraction, N2 adsorption, temperature-programmed reduction in hydrogen flow, temperature-programmed desorption of ammonia, and infrared spectroscopy of adsorbed pyridine. The high yield of jet-fuel over the PtMg(2.0)/MMZHY can be attributed not only to the higher dispersion of Pt metal and higher reducibility, but also the higher amount of acid sites and higher strength of acid sites. The selectivity to iso-paraffin in the jet-fuel fraction could be reached above 80% over the optimized PtMg/MMZHY catalyst.
Keywords:n-Octadecane hydroupgrading;Jet-fuel;Platinum;Magnesium;Mesoporous aluminosilicate
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