A Comparative Study of Eggshell and Commercial Sorbent-Based Catalysts through Synthesis and Characterization for SESR Process

Muhammad Qasim, Muhammad Ayoub (), Karamjit Singh, Abrar Inayat, Rashid Shamsuddin, Mohammed Danish and Sarah Farrukh
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Muhammad Qasim: HiCoE, Centre for Biofuel and Biochemical Research (CBBR), Institute of Self-Sustainable Building (ISB), Universiti Teknologi PETRONAS (UTP), Seri Iskandar 32610, Perak, Malaysia
Muhammad Ayoub: HiCoE, Centre for Biofuel and Biochemical Research (CBBR), Institute of Self-Sustainable Building (ISB), Universiti Teknologi PETRONAS (UTP), Seri Iskandar 32610, Perak, Malaysia
Karamjit Singh: Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak, Malaysia
Abrar Inayat: Department of Sustainable & Renewable Energy Engineering, University of Sharjah, Sharjah 27272, United Arab Emirates
Rashid Shamsuddin: HiCoE, Centre for Biofuel and Biochemical Research (CBBR), Institute of Self-Sustainable Building (ISB), Universiti Teknologi PETRONAS (UTP), Seri Iskandar 32610, Perak, Malaysia
Mohammed Danish: School of Industrial Technology, Universiti Sains Malaysia, Minden Campus, Penang 11800, Pulau Pinang, Malaysia
Sarah Farrukh: Department of Chemical Engineering, School of Chemical and Materials Engineering, National University of Sciences and Technology, Islamabad 44000, Pakistan

Sustainability, 2023, vol. 15, issue 20, 1-12

Abstract: Hydrogen is a clean and valuable energy carrier, and there is growing consensus that a hydrogen-based economy could be the key to ensuring the long-term reliability and environmental friendliness of the world’s energy supply. There are a variety of methods and technologies that may be used to produce hydrogen; among them, sorption-enhanced steam reforming is regarded as the way that is the most effective. For the purpose of making a decision about which catalysts to employ in SESR in the future, this study compared three distinct kinds of catalysts. The wet impregnation method was used to manufacture the waste-derived CaO-implemented Ni-based catalysts, which were then used in sorption-enhanced steam reforming (SESR) to produce hydrogen (H 2 ). X-ray diffractometry (XRD), field emission scanning electron microscopy (FESEM), and thermogravimetric analyses (TGA) were used to analyze the catalysts. XRD results showed that the crystallinity behavior for all types of catalysts such as 10NMA, 10NCMA-E, and 10NCMA was identical. The spinel compounds such as NiAl 2 O 4 and MgAl 2 O 4 were identified in all three types of catalysts. At high temperatures, such as at 800 °C, all catalysts were stable, evident from TGA results. During three sorption cycles, the 10NCMA-based catalyst demonstrated the highest sorption capacity among the three varieties of catalysts, followed by the 10NCMA-E catalyst. During the first, second, and third calcination cycles, the 10NCMA-based catalyst released 23.88%, 22.05%, and 23.33% CO 2 , respectively. 10NCMA-E can be a potential catalyst for the SESR process by decreasing the material manufacturing cost and overall cost of the SESR process.

Keywords: Ni-based catalysts; waste-derived sorbent; sorption capacity; wet impregnation method (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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