caa a22 4500 606194797 CHVBK 20210128100916.0 cr unu---uuuuu 210128e20150201xx s 000 0 eng 10.1007/s10934-014-9879-3 doi (NATIONALLICENCE)springer-10.1007/s10934-014-9879-3 Catalytic performance and sulfidation behaviors of CoMo/Beta-MCM-48 catalysts prepared with citric acid for FCC gasoline hydroupgrading [Elektronische Daten] [Dinghong Qi, Aijun Duan, Zhen Zhao, Huadong Wu, Huili Fan, He Fang, Jianmei Li, Guiyuan Jiang, Jian Liu, Yuechang Wei, Xiao Zhang] CoMo catalysts supported on Beta-MCM-48 were prepared by different impregnation methods and calcination conditions with the addition of citric acid (CA). The addition of citric acid resulted in an increase of the catalytic activities in gasoline hydroupgrading, which was correlated to the formation of Mo-CA complexes, leading to higher MoS2 dispersion degrees and more amounts of Co-Mo-S active phases. The as-synthesized catalysts were characterized by powder X-ray diffraction, UV-Vis diffuse reflectance spectroscopy, Fourier-transform infrared spectroscopy, X-ray photoelectron spectroscopy, high resolution transmission electron microscopy, and the corresponding catalytic performance of FCC gasoline hydroupgrading was evaluated. The results showed that different impregnation methods and calcination conditions had a certain influence on their catalytic performance. In this research, CA-CoMo/ABM48-S catalyst obtained by two-step impregnation method and air-calcination had the shortest average length of 3.0nm and the moderate stacking degree of 2.6, therefore, it made a good balance in hydrodesulfurization (HDS), hydroisomerization and aromatization activities, as a result it exhibited the highest HDS efficiency (95.0%) and the lowest RON loss (0.5 unit). Springer Science+Business Media New York, 2014 Citric acid nationallicence Beta-MCM-48 nationallicence Hydrodesulfurization nationallicence Gasoline hydroupgrading nationallicence Qi Dinghong State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Duan Aijun State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Zhao Zhen State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Wu Huadong State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Fan Huili State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Fang He State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Li Jianmei State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Jiang Guiyuan State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Liu Jian State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Wei Yuechang State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Zhang Xiao State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut Journal of Porous Materials Springer US; http://www.springer-ny.com 22/1(2015-02-01), 127-135 1380-2224 22:1<127 2015 22 10934 https://doi.org/10.1007/s10934-014-9879-3 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10934-014-9879-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Qi Dinghong State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Duan Aijun State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Zhao Zhen State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Wu Huadong State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Fan Huili State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Fang He State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Li Jianmei State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Jiang Guiyuan State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Liu Jian State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Wei Yuechang State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Zhang Xiao State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, People's Republic of China aut NATIONALLICENCE 773 0- Journal of Porous Materials Springer US; http://www.springer-ny.com 22/1(2015-02-01), 127-135 1380-2224 22:1<127 2015 22 10934