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Study on Mesoporous Al-SBA-15 with Enhanced Acidity and Hydrothermal Stability for Heavy Oil Hydrocracking Conversion
American Journal of Materials Synthesis and Processing
Volume 3, Issue 3, September 2018, Pages: 39-46
Received: Aug. 9, 2018; Accepted: Aug. 20, 2018; Published: Sep. 28, 2018
Volume 3, Issue 3, September 2018, Pages: 39-46
Received: Aug. 9, 2018; Accepted: Aug. 20, 2018; Published: Sep. 28, 2018
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Authors
Lianhui Ding, Research and Development Center, Saudi Aramco, Dhahran, Saudi Arabia
Hanaa Habboubi, Research and Development Center, Saudi Aramco, Dhahran, Saudi Arabia
Essam Sayed, Research and Development Center, Saudi Aramco, Dhahran, Saudi Arabia
Sitepu Husinsyah, Research and Development Center, Saudi Aramco, Dhahran, Saudi Arabia
Hameed Badairy, Research and Development Center, Saudi Aramco, Dhahran, Saudi Arabia
Rasha Alghamdi, Research and Development Center, Saudi Aramco, Dhahran, Saudi Arabia
Abstract
To increase heavy oil conversion by hydrocracking, the larger pore opening mesoporous materials with enhanced acidity and hydrothermal stability are required. A series of mesoporous Al-SBA-15 was studied in acid-free and different HCl concentration solutions with various initial SiO2/Al2O3 molar ratio. The final product samples were characterized with N2 adsorption, SAXS/XRD, NH3-TPD, TEM, 28Si NMR, and 27Al NMR. The results concluded that the acid-free and weak acidic medium favor the formation of the Al-SBA-15 with better textual properties, higher acidity, and higher wall-thickness. A considerable amount of Al was present in the tetrahedral form.
Keywords
Mesoporous Materials, SBA-15, Synthesis, Hydrocracking
To cite this article
Lianhui Ding,
Hanaa Habboubi,
Essam Sayed,
Sitepu Husinsyah,
Hameed Badairy,
Rasha Alghamdi,
Study on Mesoporous Al-SBA-15 with Enhanced Acidity and Hydrothermal Stability for Heavy Oil Hydrocracking Conversion, American Journal of Materials Synthesis and Processing.
Vol. 3, No. 3,
2018, pp. 39-46.
doi: 10.11648/j.ajmsp.20180303.11
Copyright
Copyright © 2018 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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