Abstract
Ni-Al-based catalysts prepared by impregnation, co-precipitation, and polymer-modified incipient methods, referred to as NA-IM, NA-CM, and NA-PM, respectively, were applied to autothermal reforming (ATR) of n-dodecane, since this hydrocarbon exhibits properties similar to those of diesel fuel and can be used as its surrogate. The corresponding catalytic performances were evaluated in terms of H2 yield and n-dodecane conversion at 750 °C and 12,000 h−1 in a fixed-bed reactor at an S/C molar ratio of 1.23 and an O2/C molar ratio of 0.25. NA-CM and NA-PM exhibited similar performances in terms of H2 yield (1.4) and n-dodecane conversion (90%); however, the performance of NA-IM was inferior to those of other catalysts. The differences between the prepared catalysts were investigated by X-ray diffraction, transmission electron microscopy, Fourier transform infrared spectroscopy, and Brunauer–Emmett–Teller analysis, with the obtained results indicating the importance of well-dispersed Ni species in NA-PM for efficient ATR.
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Acknowledgements
This work was supported by the Korea CCS R&D Center (Korea CCS 2020 Project) grant funded by the Korea government (Ministry of Science, ICT & Future Planning) in 2014 (KCRC-2014M1A8A1049249). This study was also supported by the Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science, and Technology (2009–0093819).
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Woo Suk Lee and Dong Geon Ju contributed equally to this study.
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Lee, W.S., Ju, D.G., Jung, S.Y. et al. N-Dodecane Autothermal Reforming Properties of Ni-Al Based Catalysts Prepared by Various Methods. Top Catal 60, 727–734 (2017). https://doi.org/10.1007/s11244-017-0777-1
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DOI: https://doi.org/10.1007/s11244-017-0777-1