Catalytic Oxidative Cracking of n-Hexane Over Zeolites/Montmorillonite-Supported Manganese Oxide Systems for Olefin Production Using a Riser Simulator

Ariel Hazril Gursida; Idris A. Bakare; Shaikh Abdur Razzak; Mohammad Mozahar Hossain

doi:10.1002/slct.202506669

Catalytic Oxidative Cracking of n-Hexane Over Zeolites/Montmorillonite-Supported Manganese Oxide Systems for Olefin Production Using a Riser Simulator

Ariel Hazril Gursida
, Idris A. Bakare
, Shaikh Abdur Razzak
, Mohammad Mozahar Hossain^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Oxidative cracking of n-hexane using lattice oxygen is investigated over MnO_X/zeolite matrices. The catalysts were synthesized by impregnating MnO_X onto zeolite matrices. The prepared samples were characterized using XRD, SEM, and BET, which revealed smooth, fine, highly crystalline, and highly dispersed MnO_X. TPR confirmed that the zeolite support contains highly reducible manganese species. The quantity of MnO_X loaded also influenced activity and product selectivity. The olefin and CO_X selectivity are modified by reaction time/temperature and the amount of lattice oxygen. ZMn15 demonstrated 56.6% n-hexane conversion and 73.6% olefin selectivity at 550°C and 10 s reaction time. This improved performance is due to the intermittent release of lattice oxygen, optimal acidity, microporosity, and mesoporosity.

Original language	English
Article number	e06669
Journal	ChemistrySelect
Volume	11
Issue number	20
DOIs	https://doi.org/10.1002/slct.202506669
State	Published - 26 May 2026

Bibliographical note

Publisher Copyright:
© 2026 Wiley-VCH GmbH.

Keywords

MnO
core-shale catalysts
olefins
oxidative cracking
zeolite

ASJC Scopus subject areas

General Chemistry

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10.1002/slct.202506669

Cite this

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title = "Catalytic Oxidative Cracking of n-Hexane Over Zeolites/Montmorillonite-Supported Manganese Oxide Systems for Olefin Production Using a Riser Simulator",

abstract = "Oxidative cracking of n-hexane using lattice oxygen is investigated over MnOX/zeolite matrices. The catalysts were synthesized by impregnating MnOX onto zeolite matrices. The prepared samples were characterized using XRD, SEM, and BET, which revealed smooth, fine, highly crystalline, and highly dispersed MnOX. TPR confirmed that the zeolite support contains highly reducible manganese species. The quantity of MnOX loaded also influenced activity and product selectivity. The olefin and COX selectivity are modified by reaction time/temperature and the amount of lattice oxygen. ZMn15 demonstrated 56.6\% n-hexane conversion and 73.6\% olefin selectivity at 550°C and 10 s reaction time. This improved performance is due to the intermittent release of lattice oxygen, optimal acidity, microporosity, and mesoporosity.",

keywords = "MnO, core-shale catalysts, olefins, oxidative cracking, zeolite",

author = "Gursida, \{Ariel Hazril\} and Bakare, \{Idris A.\} and Razzak, \{Shaikh Abdur\} and Hossain, \{Mohammad Mozahar\}",

note = "Publisher Copyright: {\textcopyright} 2026 Wiley-VCH GmbH.",

year = "2026",

month = may,

day = "26",

doi = "10.1002/slct.202506669",

language = "English",

volume = "11",

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T1 - Catalytic Oxidative Cracking of n-Hexane Over Zeolites/Montmorillonite-Supported Manganese Oxide Systems for Olefin Production Using a Riser Simulator

AU - Gursida, Ariel Hazril

AU - Bakare, Idris A.

AU - Razzak, Shaikh Abdur

AU - Hossain, Mohammad Mozahar

PY - 2026/5/26

Y1 - 2026/5/26

N2 - Oxidative cracking of n-hexane using lattice oxygen is investigated over MnOX/zeolite matrices. The catalysts were synthesized by impregnating MnOX onto zeolite matrices. The prepared samples were characterized using XRD, SEM, and BET, which revealed smooth, fine, highly crystalline, and highly dispersed MnOX. TPR confirmed that the zeolite support contains highly reducible manganese species. The quantity of MnOX loaded also influenced activity and product selectivity. The olefin and COX selectivity are modified by reaction time/temperature and the amount of lattice oxygen. ZMn15 demonstrated 56.6% n-hexane conversion and 73.6% olefin selectivity at 550°C and 10 s reaction time. This improved performance is due to the intermittent release of lattice oxygen, optimal acidity, microporosity, and mesoporosity.

AB - Oxidative cracking of n-hexane using lattice oxygen is investigated over MnOX/zeolite matrices. The catalysts were synthesized by impregnating MnOX onto zeolite matrices. The prepared samples were characterized using XRD, SEM, and BET, which revealed smooth, fine, highly crystalline, and highly dispersed MnOX. TPR confirmed that the zeolite support contains highly reducible manganese species. The quantity of MnOX loaded also influenced activity and product selectivity. The olefin and COX selectivity are modified by reaction time/temperature and the amount of lattice oxygen. ZMn15 demonstrated 56.6% n-hexane conversion and 73.6% olefin selectivity at 550°C and 10 s reaction time. This improved performance is due to the intermittent release of lattice oxygen, optimal acidity, microporosity, and mesoporosity.

KW - MnO

KW - core-shale catalysts

KW - olefins

KW - oxidative cracking

KW - zeolite

UR - https://www.scopus.com/pages/publications/105039665491

U2 - 10.1002/slct.202506669

DO - 10.1002/slct.202506669

M3 - Article

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Catalytic Oxidative Cracking of n-Hexane Over Zeolites/Montmorillonite-Supported Manganese Oxide Systems for Olefin Production Using a Riser Simulator

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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