The effect of structure directing agents on micro/mesopore structures of aluminosilicates from Indonesian kaolin as deoxygenation catalysts

Indonesian kaolin was successfully transformed into aluminosilicates (ALS) via two-step hydrothermal synthesis using different structure directing agents (SDA). The effects of structure, porosity and catalytic activity of ALS were determined for deoxygenation of bio-oil into green diesel. The first...

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Main Authors: Reva Edra Nugraha, Didik Prasetyoko, Nurul Asikin-Mijan, Hasliza Bahruji, Suprapto Suprapto, Yap, Taufiq Yun Hin, Aishah Abdul Jalil
Format: Article
Language:English
English
Published: Elsevier 2021
Subjects:
Online Access:https://eprints.ums.edu.my/id/eprint/31159/2/The%20effect%20of%20structure%20directing%20agents%20on%20micro_mesopore%20structures%20of%20aluminosilicates%20from%20Indonesian%20kaolin%20as%20deoxygenation%20catalysts.pdf
https://eprints.ums.edu.my/id/eprint/31159/3/The%20effect%20of%20structure%20directing%20agents%20on%20micro_mesopore%20structures%20of%20aluminosilicates%20from%20Indonesian%20kaolin%20as%20deoxygenation%20catalysts_ABSTRACT.pdf
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author Reva Edra Nugraha
Didik Prasetyoko
Nurul Asikin-Mijan
Hasliza Bahruji
Suprapto Suprapto
Yap, Taufiq Yun Hin
Aishah Abdul Jalil
author_facet Reva Edra Nugraha
Didik Prasetyoko
Nurul Asikin-Mijan
Hasliza Bahruji
Suprapto Suprapto
Yap, Taufiq Yun Hin
Aishah Abdul Jalil
author_sort Reva Edra Nugraha
collection UMS
description Indonesian kaolin was successfully transformed into aluminosilicates (ALS) via two-step hydrothermal synthesis using different structure directing agents (SDA). The effects of structure, porosity and catalytic activity of ALS were determined for deoxygenation of bio-oil into green diesel. The first hydrothermal step used silicalite and tetrapropyl ammonium hydroxide (TPAOH) as SDA, followed by the addition of cetyltrimethyl ammonium bromide (CTAB) in the second hydrothermal step to induce mesopores. Silicalite formed ZSM-5 with hierarchical structures meanwhile TPAOH produced ZSM-5 mainly with microporosity. ZSM-5 framework was rapidly formed when using TPAOH preventing the formation of mesostructure in the second crystallization processes. In the absence of SDA, the aluminosilicate was characterized as mesoporous Al-MCM-41. At similar Si/Al ratios, AlMCM-41 exhibited high surface area, mesopore volume and surface acidities than ZSM-5, consequently enhancing the conversion and selectivity of deoxygenation reaction towards long-chain (C11-C18) green diesel hydrocarbon.
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spelling ums.eprints-311592022-01-10T07:44:21Z https://eprints.ums.edu.my/id/eprint/31159/ The effect of structure directing agents on micro/mesopore structures of aluminosilicates from Indonesian kaolin as deoxygenation catalysts Reva Edra Nugraha Didik Prasetyoko Nurul Asikin-Mijan Hasliza Bahruji Suprapto Suprapto Yap, Taufiq Yun Hin Aishah Abdul Jalil TA401-492 Materials of engineering and construction. Mechanics of materials Indonesian kaolin was successfully transformed into aluminosilicates (ALS) via two-step hydrothermal synthesis using different structure directing agents (SDA). The effects of structure, porosity and catalytic activity of ALS were determined for deoxygenation of bio-oil into green diesel. The first hydrothermal step used silicalite and tetrapropyl ammonium hydroxide (TPAOH) as SDA, followed by the addition of cetyltrimethyl ammonium bromide (CTAB) in the second hydrothermal step to induce mesopores. Silicalite formed ZSM-5 with hierarchical structures meanwhile TPAOH produced ZSM-5 mainly with microporosity. ZSM-5 framework was rapidly formed when using TPAOH preventing the formation of mesostructure in the second crystallization processes. In the absence of SDA, the aluminosilicate was characterized as mesoporous Al-MCM-41. At similar Si/Al ratios, AlMCM-41 exhibited high surface area, mesopore volume and surface acidities than ZSM-5, consequently enhancing the conversion and selectivity of deoxygenation reaction towards long-chain (C11-C18) green diesel hydrocarbon. Elsevier 2021 Article PeerReviewed text en https://eprints.ums.edu.my/id/eprint/31159/2/The%20effect%20of%20structure%20directing%20agents%20on%20micro_mesopore%20structures%20of%20aluminosilicates%20from%20Indonesian%20kaolin%20as%20deoxygenation%20catalysts.pdf text en https://eprints.ums.edu.my/id/eprint/31159/3/The%20effect%20of%20structure%20directing%20agents%20on%20micro_mesopore%20structures%20of%20aluminosilicates%20from%20Indonesian%20kaolin%20as%20deoxygenation%20catalysts_ABSTRACT.pdf Reva Edra Nugraha and Didik Prasetyoko and Nurul Asikin-Mijan and Hasliza Bahruji and Suprapto Suprapto and Yap, Taufiq Yun Hin and Aishah Abdul Jalil (2021) The effect of structure directing agents on micro/mesopore structures of aluminosilicates from Indonesian kaolin as deoxygenation catalysts. Microporous and Mesoporous Materials, 315. pp. 1-13. ISSN 1387-1811 https://www.scopus.com/record/display.uri?eid=2-s2.0-85100030660&origin=inward&txGid=87d3cd0983580b441770647a1080df90 https://doi.org/10.1016/j.micromeso.2021.110917 https://doi.org/10.1016/j.micromeso.2021.110917
spellingShingle TA401-492 Materials of engineering and construction. Mechanics of materials
Reva Edra Nugraha
Didik Prasetyoko
Nurul Asikin-Mijan
Hasliza Bahruji
Suprapto Suprapto
Yap, Taufiq Yun Hin
Aishah Abdul Jalil
The effect of structure directing agents on micro/mesopore structures of aluminosilicates from Indonesian kaolin as deoxygenation catalysts
title The effect of structure directing agents on micro/mesopore structures of aluminosilicates from Indonesian kaolin as deoxygenation catalysts
title_full The effect of structure directing agents on micro/mesopore structures of aluminosilicates from Indonesian kaolin as deoxygenation catalysts
title_fullStr The effect of structure directing agents on micro/mesopore structures of aluminosilicates from Indonesian kaolin as deoxygenation catalysts
title_full_unstemmed The effect of structure directing agents on micro/mesopore structures of aluminosilicates from Indonesian kaolin as deoxygenation catalysts
title_short The effect of structure directing agents on micro/mesopore structures of aluminosilicates from Indonesian kaolin as deoxygenation catalysts
title_sort effect of structure directing agents on micro mesopore structures of aluminosilicates from indonesian kaolin as deoxygenation catalysts
topic TA401-492 Materials of engineering and construction. Mechanics of materials
url https://eprints.ums.edu.my/id/eprint/31159/2/The%20effect%20of%20structure%20directing%20agents%20on%20micro_mesopore%20structures%20of%20aluminosilicates%20from%20Indonesian%20kaolin%20as%20deoxygenation%20catalysts.pdf
https://eprints.ums.edu.my/id/eprint/31159/3/The%20effect%20of%20structure%20directing%20agents%20on%20micro_mesopore%20structures%20of%20aluminosilicates%20from%20Indonesian%20kaolin%20as%20deoxygenation%20catalysts_ABSTRACT.pdf
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