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A comprehensive study on the synthesis, characterization and mathematical modeling of nanostructured Co-based catalysts using different support materials for AB hydrolysis

Hilal Çelik Kazıcı, Mehmet Sait İzgi, and Ömer Şahin

Faculty of Engineering, Department of Chemical Engineering, Van Yüzüncü Yıl University, Van, Turkey



Received: 14 September 2020  Accepted: 12 January 2021


The present work includes the synthesis of aluminum oxide (Al2O3), multi-walled carbon nanotube (MWCNT), and Eupergit CM-supported Co-based nanoparticles (Co–Fe–B and Co–Mn–B), and the investigation of their hydrolytic efficiency in H2 generation from the catalytic hydrolysis of ammonia borane (NH3BH3). Among the supported catalysts, Co–Fe–B/Eupergit CM exhibited the highest H2 generation rate as 4539 mLmin−1gcatalyst−1 compared to Co–Fe–B/Al2O3 and Co–Fe–B/MWCNT, which exhibited 4373 mLmin−1gcatalyst−1 and 3294 mLmin−1gcatalyst−1, respectively. When Co–Mn–B/ Eupergit CM was used instead of Co–Fe–B/ Eupergit CM, a significant increase in the highest HGR (19.422 mLmin−1gcatalyst−1) was found. Moreover, turnover frequency (TOF) value was calculated as 318 h−1 and 646 h−1 for Co–Fe–B/Eupergit CM and Co–Mn–B/Eupergit CM, respectively.

Keywords: Nanoparticles; Modelling; Hydrophilic polymers

Full paper is available at

DOI: 10.1007/s11696-021-01514-0


Chemical Papers 75 (6) 2713–2725 (2021)

Wednesday, July 17, 2024

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