Hydrogenation reactions of kerosene on nickel-based catalysts

被引:1
|
作者
Komurcu, Hasan [1 ]
Yilmaz, Kadir [2 ]
Gurdal, Savas [3 ,4 ]
Yasar, Muzaffer [1 ]
机构
[1] Istanbul Univ Cerrahpasa, Fac Chem Engn, Dept Engn, TR-34315 Istanbul, Turkiye
[2] Canakkale Onsekiz Mart Univ, TR-17000 Canakkale, Turkiye
[3] Canakkale Onsekiz Mart Univ, Sci & Technol Applicat & Res Ctr, TR-17000 Canakkale, Turkiye
[4] Canakkale Onsekiz Mart Univ, Sci & Technol Res & Applicat Ctr, Canakkale, Merkez, Turkiye
关键词
Hydrotreating; Kerosene; Nickel catalyst; Rocket grade fuel;
D O I
10.1016/j.ijhydene.2022.06.189
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The hydrotreating of kerosene was studied to develop a crude kerosene distillate to produce products with specifications suitable for marketing as kerosene and rocket grade fuel. To saturate the aromatic structures from kerosene, hydrogenation experiments were carried out in a batch steel reactor with different amounts (20 ml and 40 ml) of crude kerosene, using silica-supported nickel and kieselguhr supported nickel-sulfur catalysts. The catalysts were analyzed with Brunauer, Emmett ve Teller (BET), Fourier transform infrared spectroscopy (FTIR), transmission electron microscope (TEM), and x-ray diffraction analysis (XRD). The aromatic fractions and paraffin structures content of the obtained samples were examined. The experiments were carried out at 200-220 & DEG;C temperature with 5 bar hydrogen initial pressure for 2 h. The obtained products were analyzed by performing a 1H NMR analysis. According to proton NMR result, the ratio of paraffinic methylene, beta methyl, epsilon methylene groups of 20 ml crude kerosene with kieselguhr supported nickel-sulfur is more than 4.5 times compared to crude kerosene, and % the percentage of aromatic hydrogen structures of it is two times lower. As a result of hydrogenation experiments with both nickel-based catalysts, aromatic hydrogen structures in crude kerosene were reduced. The total H/C ratio of rocket grade hydrocarbon fuels increased after hydrogenation experiments. For this reason, the scope of ongoing research can be extended to hybrid rocket propellants (SP-1) used in hybrid rocket engines.& COPY; 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:22934 / 22941
页数:8
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