Anekwe, Ifeanyi Michael SmarteKhotseng, Lindiwe2025-10-292025-10-292024Anekwe, I.M.S., Chetty, M., Khotseng, L., Kiambi, S.L., Maharaj, L., Oboirien, B. and Isa, Y.M., 2024. Stability, deactivation and regeneration study of a newly developed HZSM-5 and Ni-doped HZSM-5 zeolite catalysts for ethanol-to-hydrocarbon conversion. Catalysis Communications, 186, p.106802.https://doi.org/10.1016/j.catcom.2023.106802https://hdl.handle.net/10566/21287This work investigates the stability and regeneration of HZSM-5 and Ni/HZSM-5 catalysts in the ethanol-to-hydrocarbon conversion. The catalysts were characterised using different techniques and evaluated at 623 K and 7 h−1 for 96 h TOS with two regeneration cycles. HZSM-5 showed high stability with 100% ethanol conversion, while Ni/HZSM-5 catalysts maintained 100% stability for 48 h before dropping. Regenerated catalysts were comparable to the originals in terms of product distribution, stability, and performance. HZSM-5 preferred BTX, while Ni-doped catalysts favoured C5-C8, C9-C12, and C12+ synthesis. The regeneration process restored catalytic activity, especially for the Ni-doped catalysts, extending their life and reducing replacement costs.enCatalystEthanolRegenerationStabilityZSM-5Article