Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/159576
Title: Advanced Ni tar reforming catalysts resistant to syngas impurities: current knowledge, research gaps and future prospects
Authors: Dara Khairunnisa Mohamed
Veksha, Andrei
Quan Luu Manh Ha
Chan, Wei Ping
Lim, Teik-Thye
Lisak, Grzegorz
Keywords: Engineering::Chemical engineering
Issue Date: 2022
Source: Dara Khairunnisa Mohamed, Veksha, A., Quan Luu Manh Ha, Chan, W. P., Lim, T. & Lisak, G. (2022). Advanced Ni tar reforming catalysts resistant to syngas impurities: current knowledge, research gaps and future prospects. Fuel, 318, 123602-. https://dx.doi.org/10.1016/j.fuel.2022.123602
Journal: Fuel 
Abstract: Catalytic reforming is a promising technology for the removal of tar from syngas. However, due to the presence of other impurities such as H2S, HCl, HBr, siloxanes, alkali metals, and NH3, the lifetime, activity, and stability of commonly used Ni-based catalysts is limited. This review investigates the recent findings related to poisoning effects of both common and under-researched syngas impurities on nickel catalysts and achievements in the synthesis of poison tolerant catalysts. The source and content of impurities produced from the gasification of different feedstock are examined. As current catalysts used for tar reforming require further improvement to ensure tolerance to poisoning, two approaches for catalytic tar reforming gas products from gasification of biomass/solid waste with and without prior syngas pre-treatment are evaluated to emphasize the importance of developing poison-tolerant catalysts. The deactivation mechanisms of Ni catalysts by syngas impurities, regeneration techniques, and strategies for developing poison-tolerant catalysts are reviewed. Finally, limitations of current catalytic tar reforming processes and promising approaches for future works are further discussed.
URI: https://hdl.handle.net/10356/159576
ISSN: 0016-2361
DOI: 10.1016/j.fuel.2022.123602
Schools: School of Civil and Environmental Engineering 
Interdisciplinary Graduate School (IGS) 
Research Centres: Nanyang Environment and Water Research Institute 
Residues and Resource Reclamation Centre 
Rights: © 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles
IGS Journal Articles
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