Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/4046
Title: Synthesis of cobalt-doped catalyst for NABH4 hydrolysis using eggshell biowaste
Authors: Altınsoy, M.
Ceyhan, A. A.
Keywords: Biowaste
Catalyst
Chicken eggshell
Cobalt
Hydrogen
Sodium borohydride
Activation energy
Animals
Cobalt compounds
Hydrogen production
Hydrolysis
Reusability
Sodium Borohydride
Sodium hydroxide
Biowastes
Chicken eggshell
Generation rate
Hydrogen generations
NaOH concentration
Process temperature
Sodium boro hydrides
Sodium borohydrides
XRD
]+ catalyst
Catalysts
Publisher: Elsevier Ltd
Abstract: In the present study, a cobalt-doped catalyst was prepared from chicken eggshell powder (CEP) biowaste to be used in the hydrolysis of sodium borohydride (NaBH4). In the presence of the prepared catalyst (CEPcat), possible effects of the parameters of NaOH concentration (%), catalyst amount (g), NaBH4 concentration (%), process temperature (oC) and reusability affecting the hydrolysis of sodium borohydride were examined. The CEPcat obtained was characterized with FT-IR, TGA, XRD, SEM and EDX analyses. The hydrogen generation rate (HGR) was determined as 432 mL gCo-1 min-1 in the presence of 1 g CEPcat, a CoO/CaO ratio of 10/90 and 1% NaBH4 concentration. The activation energy of the NaBH4 hydrolysis reaction was calculated as 16.78 kJ mol-1. After 16 reuses of the CEPcat there was no significant decrease in the hydrogen volume. Compared to the first use while there was an increase in the HGR. These results showed that the CEPcat prepared has a significant advantage over other catalysts for use in NaBH4 hydrolysis. © 2023 Hydrogen Energy Publications LLC
URI: https://doi.org/10.1016/j.ijhydene.2023.04.047
https://hdl.handle.net/20.500.13091/4046
ISSN: 0360-3199
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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