Transition metals supported on bone-derived hydroxyapatite as potential catalysts for the Water-Gas Shift reaction

Unai Iriarte-Velasco, Jose L. Ayastuy, Zouhair Boukha, Raquel Bravo and Miguel Ángel Gutierrez-Ortiz

Renewable Energy, 2018, vol. 115, issue C, 641-648

Abstract: Calcined pork bone which is mainly composed by hydroxyapatite (HAp) was used as catalytic support of transition metals (Ni, Cu, Co, Fe) for WGS reaction. The catalysts were characterised by TGA, ICP, XRD, FTIR, H2-TPR, H2 chemisorption, OSC, CO2-TPD and N2 adsorption. The activity and selectivity was investigated and correlated with the chemical, structural and textural properties of the catalysts. For comparison, the performance of Ni loaded onto synthetic HAp was also investigated. The catalytic activity followed this trend: Ni > Co > Cu > Fe. Interestingly, natural support decreased methanation activity of Ni and increased stability as compared to synthetic HAp.

Keywords: Transition metals; Bone-char; Hydroxyapatite; Water-Gas Shift (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:115:y:2018:i:c:p:641-648

DOI: 10.1016/j.renene.2017.08.086

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