화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.98, 389-396, June, 2021
DOI10.1016/j.jiec.2021.03.025  Export Citation
Effect of the mixing ratio of methylcyclohexane and n-dodecane on the product composition and coke formation in the catalytic decomposition reaction of blended fuels
Tae Ho Lee, Sungyong Mun1, †, Sung Hyun Kim†, and Ki Bong Lee†
  • Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
  • 1Department of Chemical Engineering, Hanyang University, Haengdang-dong, Seongdong-gu, Seoul 04763, Republic of Korea
E-mail:, ,
Analyzing the products obtained from the catalytic reaction of jet fuels is challenging because the fuels consist of several components. It is crucial to select suitable model compounds as representatives of the fuel to study its catalytic reaction, and methylcyclohexane (MCH) and n-dodecane were selected consequently. Further, the change in the products obtained from the reaction (catalyzed by commercial HZSM-5 in a flow reactor under a supercritical condition (550 °C and 5 MPa)) was investigated by varying the ratios of MCH and n-dodecane in the blended fuels. Although the fuel conversion and gas yield were proportional to the n-dodecane fraction in the fuel, the yield of aromatic compounds at each time, which was relative to the yield at the initial time, did not indicate any relation with it. The relative yields of the aromatic hydrocarbons obtained from the blended fuel reduced much slower than those obtained from the pure fuels. Particularly, the fuel containing an n-dodecane mass fraction of 0.2 exhibited the lowest reduction rate regarding the relative yields of aromatic hydrocarbons. The change in the relative yields of the products regarding the fuels was not crucial to coke formation.
Keywords:Methylcyclohexane;n-dodecane;HZSM-5;Aromatic hydrocarbons;Coke formation
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