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Shah AK, Shah GT, Shah AA, Park YH, Shah AA, Choi M, Ahmed S, Shah Bukhari SN, Chandio AD, Mahar MA, Shar MA, Alhazaa A. Design of Nickel Supported Hierarchical ZSM-5/USY Zeolite Bifunctional Catalysts for One-Pot Menthol Synthesis via Liquid-Phase Citral Hydrogenation. Molecules 2023; 28:molecules28020743. [PMID: 36677801 PMCID: PMC9865359 DOI: 10.3390/molecules28020743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/26/2022] [Accepted: 01/02/2023] [Indexed: 01/14/2023] Open
Abstract
Nickel-supported hierarchical zeolite catalysts were prepared through a desilication reassembly process under optimized conditions and applied in one-pot menthol synthesis. In this work, the hierarchical zeolite-supported metal bifunctional catalysts were prepared with the help of desilication re-assembly and wetness impregnation techniques and applied in menthol synthesis via citral hydrogenation. The prepared catalysts were characterized using PXRD, BET, FE-TEM, NH3-TPD, H2-TPR, pyridine adsorption, and ICP-OES techniques. As a result, the physicochemical and acidic properties, such as mesopore surface area, metal dispersion, acidity, catalytic activity, and strong Lewis acid sites of pure microporous ZSM-5/USY zeolites, were significantly improved. Consequently, with the occurrence of superior physicochemical and acidic properties, the Ni/HZ-0.5 M catalyst exhibited outstanding catalytic activity (100% conversion, TOF 7.12 h-1) and menthol selectivity (83%, 4 h) with uniform stability at 100 °C, 1.0 MPa hydrogen. Similarly, the cracking rate decreased with the decrease in Bronsted acid sites.
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Affiliation(s)
- Abdul Karim Shah
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi 74800, Pakistan
- Fine Chemical Process Laboratory, Department of Chemical Engineering, Hanyang University, Sangnok-su, Ansan 15588, Republic of Korea
- Correspondence: or
| | - Ghulam Taswar Shah
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi 74800, Pakistan
| | - Aqeel Ahmed Shah
- Wet Chemistry Laboratory, Department of Metallurgical Engineering, NED University of Engineering and Technology, University Road, Karachi 75720, Pakistan
| | - Yeung Ho Park
- Fine Chemical Process Laboratory, Department of Chemical Engineering, Hanyang University, Sangnok-su, Ansan 15588, Republic of Korea
| | - Ayaz Ali Shah
- Department of Energy and Environment Engineering, Dawood University of Engineering and Technology, Karachi 74800, Pakistan
| | - Mooseok Choi
- Fine Chemical Process Laboratory, Department of Chemical Engineering, Hanyang University, Sangnok-su, Ansan 15588, Republic of Korea
| | - Shoaib Ahmed
- Fine Chemical Process Laboratory, Department of Chemical Engineering, Hanyang University, Sangnok-su, Ansan 15588, Republic of Korea
| | | | - Ali Dad Chandio
- Wet Chemistry Laboratory, Department of Metallurgical Engineering, NED University of Engineering and Technology, University Road, Karachi 75720, Pakistan
| | - Muhammad Atta Mahar
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi 74800, Pakistan
| | - Muhammad Ali Shar
- Department of Mechanical and Energy Systems Engineering, Faculty of Engineering and Informatics, University of Bradford, Bradford BD7 1DP, UK
| | - Abdulaziz Alhazaa
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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