Sorption enhanced steam reforming of ethanol on Ni-CaO-Al2O 3 multifunctional catalysts derived from hydrotalcite-like compounds

Gaowei Wu; Chengxi Zhang; Shuirong Li; Zhiqi Huang; Suli Yan; Shengping Wang; Xinbin Ma; Jinlong Gong

doi:10.1039/c2ee21995f

Sorption enhanced steam reforming of ethanol on Ni-CaO-Al₂O ₃ multifunctional catalysts derived from hydrotalcite-like compounds

Gaowei Wu, Chengxi Zhang, Shuirong Li, Zhiqi Huang, Suli Yan, Shengping Wang, Xinbin Ma, Jinlong Gong^*

^*Corresponding author for this work

Tianjin University

Research output: Contribution to journal › Article › peer-review

181 Citations (Scopus)

Abstract

This paper describes the sorption of carbon dioxide for enhanced steam reforming of ethanol to produce hydrogen via Ni-CaO-Al₂O₃ multifunctional catalysts derived from hydrotalcite-like compounds (HTlcs). The catalysts were characterized by N₂ adsorption-desorption, X-ray powder diffraction (XRD), transmission electron microscopy (TEM), H₂ temperature-programmed reduction (H₂-TPR) and thermogravimetric analysis (TGA) and tested in sorption enhanced steam reforming of ethanol (SESRE), in which products were monitored by an online mass spectrometer (MS). The Ni-CaO-Al₂O₃ catalysts possess uniform distribution of Ni, Ca and Al, contributing significantly to the excellent CO₂ adsorbent capacity and reforming activity in SESRE. We have also examined the effect of Ca/Al ratios on Ni dispersion, CaO particle size, and catalytic reactivity; a Ca/Al of 3.0 was optimized. The Ni-CaO-Al₂O₃ catalysts outperform the conventional mixture of CaO adsorbents and Ni/Al ₂O₃ catalysts for SESRE.

Original language	English
Pages (from-to)	8942-8949
Number of pages	8
Journal	Energy and Environmental Science
Volume	5
Issue number	10
DOIs	https://doi.org/10.1039/c2ee21995f
Publication status	Published - Oct 2012
Externally published	Yes

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Wu, G., Zhang, C., Li, S., Huang, Z., Yan, S., Wang, S., Ma, X., & Gong, J. (2012). Sorption enhanced steam reforming of ethanol on Ni-CaO-Al₂O ₃ multifunctional catalysts derived from hydrotalcite-like compounds. Energy and Environmental Science, 5(10), 8942-8949. https://doi.org/10.1039/c2ee21995f

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title = "Sorption enhanced steam reforming of ethanol on Ni-CaO-Al2O 3 multifunctional catalysts derived from hydrotalcite-like compounds",

abstract = "This paper describes the sorption of carbon dioxide for enhanced steam reforming of ethanol to produce hydrogen via Ni-CaO-Al2O3 multifunctional catalysts derived from hydrotalcite-like compounds (HTlcs). The catalysts were characterized by N2 adsorption-desorption, X-ray powder diffraction (XRD), transmission electron microscopy (TEM), H2 temperature-programmed reduction (H2-TPR) and thermogravimetric analysis (TGA) and tested in sorption enhanced steam reforming of ethanol (SESRE), in which products were monitored by an online mass spectrometer (MS). The Ni-CaO-Al2O3 catalysts possess uniform distribution of Ni, Ca and Al, contributing significantly to the excellent CO2 adsorbent capacity and reforming activity in SESRE. We have also examined the effect of Ca/Al ratios on Ni dispersion, CaO particle size, and catalytic reactivity; a Ca/Al of 3.0 was optimized. The Ni-CaO-Al2O3 catalysts outperform the conventional mixture of CaO adsorbents and Ni/Al 2O3 catalysts for SESRE.",

author = "Gaowei Wu and Chengxi Zhang and Shuirong Li and Zhiqi Huang and Suli Yan and Shengping Wang and Xinbin Ma and Jinlong Gong",

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AU - Wu, Gaowei

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AU - Li, Shuirong

AU - Huang, Zhiqi

AU - Yan, Suli

AU - Wang, Shengping

AU - Ma, Xinbin

AU - Gong, Jinlong

PY - 2012/10

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N2 - This paper describes the sorption of carbon dioxide for enhanced steam reforming of ethanol to produce hydrogen via Ni-CaO-Al2O3 multifunctional catalysts derived from hydrotalcite-like compounds (HTlcs). The catalysts were characterized by N2 adsorption-desorption, X-ray powder diffraction (XRD), transmission electron microscopy (TEM), H2 temperature-programmed reduction (H2-TPR) and thermogravimetric analysis (TGA) and tested in sorption enhanced steam reforming of ethanol (SESRE), in which products were monitored by an online mass spectrometer (MS). The Ni-CaO-Al2O3 catalysts possess uniform distribution of Ni, Ca and Al, contributing significantly to the excellent CO2 adsorbent capacity and reforming activity in SESRE. We have also examined the effect of Ca/Al ratios on Ni dispersion, CaO particle size, and catalytic reactivity; a Ca/Al of 3.0 was optimized. The Ni-CaO-Al2O3 catalysts outperform the conventional mixture of CaO adsorbents and Ni/Al 2O3 catalysts for SESRE.

AB - This paper describes the sorption of carbon dioxide for enhanced steam reforming of ethanol to produce hydrogen via Ni-CaO-Al2O3 multifunctional catalysts derived from hydrotalcite-like compounds (HTlcs). The catalysts were characterized by N2 adsorption-desorption, X-ray powder diffraction (XRD), transmission electron microscopy (TEM), H2 temperature-programmed reduction (H2-TPR) and thermogravimetric analysis (TGA) and tested in sorption enhanced steam reforming of ethanol (SESRE), in which products were monitored by an online mass spectrometer (MS). The Ni-CaO-Al2O3 catalysts possess uniform distribution of Ni, Ca and Al, contributing significantly to the excellent CO2 adsorbent capacity and reforming activity in SESRE. We have also examined the effect of Ca/Al ratios on Ni dispersion, CaO particle size, and catalytic reactivity; a Ca/Al of 3.0 was optimized. The Ni-CaO-Al2O3 catalysts outperform the conventional mixture of CaO adsorbents and Ni/Al 2O3 catalysts for SESRE.

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JO - Energy and Environmental Science

JF - Energy and Environmental Science

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Sorption enhanced steam reforming of ethanol on Ni-CaO-Al₂O ₃ multifunctional catalysts derived from hydrotalcite-like compounds

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