RhNi/CeO2 catalytic activation of alumina open cell foams by dip-spin coating for the CO2 methanation of biogas

Riccardo Balzarotti; Giovanni Drago Ferrante; Cristina Italiano; Massimo Laganà; Lorraine F. Francis; Antonio Vita; Cinzia Cristiani; Lidia Pino

doi:10.1016/j.surfcoat.2022.128563

RhNi/CeO₂ catalytic activation of alumina open cell foams by dip-spin coating for the CO₂ methanation of biogas

Riccardo Balzarotti, Giovanni Drago Ferrante, Cristina Italiano, Massimo Laganà, Lorraine F. Francis, Antonio Vita, Cinzia Cristiani, Lidia Pino

Chemical Engineering and Materials Science

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

5 Scopus citations

Abstract

Production of CH₄ by methanation of biogas provides a promising route towards sustainable energy production for the future. Utilization of biogas from biomass as CO₂ source combines the advantage of reduction of greenhouse gas emissions producing a fuel with high energy density. In this study we apply a dip-spin coating method for washcoating Ni(7.5 wt%)Rh(0.5 wt%)/CeO₂ catalyst on alumina open cell foams with different cell densities (20, 30 and 40 PPI). The catalytic activity of the structured samples was assessed using a gas mixture that simulates a typical biogas composition (CH₄ = 60%vol; CO₂ = 40%vol). The effects of the reaction temperature (300–600 °C) and H₂/CO₂ molar ratio in the feed (3–5) on the CO₂ conversion and CH₄ selectivity were evaluated under a gas hourly space velocity (GHSV) of 5100 h⁻¹. All samples showed appreciable CO₂ conversion ranging between 62.5 and 66.7% at reaction temperature of 500–600 °C, and a CH₄ productivity of 3.4 mol_CH4·g_Me⁻¹·h⁻¹ was obtained with the catalyst supported on open cell foam with 30 and 20 PPI under a reaction temperature of 400 °C.

Original language	English (US)
Article number	128563
Journal	Surface and Coatings Technology
Volume	441
DOIs	https://doi.org/10.1016/j.surfcoat.2022.128563
State	Published - Jul 15 2022

Bibliographical note

Funding Information:
This paper is in memory of Prof. Pio Forzatti of Politecnico di Milano and Prof. Pierluigi Villa of Università degli Studi dell'Aquila.

Publisher Copyright:
© 2022 Elsevier B.V.

Keywords

Biogas
CO methanation
Open-cell foams
Structured reactors
Washcoat

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.surfcoat.2022.128563

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title = "RhNi/CeO2 catalytic activation of alumina open cell foams by dip-spin coating for the CO2 methanation of biogas",

abstract = "Production of CH4 by methanation of biogas provides a promising route towards sustainable energy production for the future. Utilization of biogas from biomass as CO2 source combines the advantage of reduction of greenhouse gas emissions producing a fuel with high energy density. In this study we apply a dip-spin coating method for washcoating Ni(7.5 wt%)Rh(0.5 wt%)/CeO2 catalyst on alumina open cell foams with different cell densities (20, 30 and 40 PPI). The catalytic activity of the structured samples was assessed using a gas mixture that simulates a typical biogas composition (CH4 = 60%vol; CO2 = 40%vol). The effects of the reaction temperature (300–600 °C) and H2/CO2 molar ratio in the feed (3–5) on the CO2 conversion and CH4 selectivity were evaluated under a gas hourly space velocity (GHSV) of 5100 h−1. All samples showed appreciable CO2 conversion ranging between 62.5 and 66.7% at reaction temperature of 500–600 °C, and a CH4 productivity of 3.4 molCH4·gMe−1·h−1 was obtained with the catalyst supported on open cell foam with 30 and 20 PPI under a reaction temperature of 400 °C.",

keywords = "Biogas, CO methanation, Open-cell foams, Structured reactors, Washcoat",

author = "Riccardo Balzarotti and {Drago Ferrante}, Giovanni and Cristina Italiano and Massimo Lagan{\`a} and Francis, {Lorraine F.} and Antonio Vita and Cinzia Cristiani and Lidia Pino",

note = "Funding Information: This paper is in memory of Prof. Pio Forzatti of Politecnico di Milano and Prof. Pierluigi Villa of Universit{\`a} degli Studi dell'Aquila. Publisher Copyright: {\textcopyright} 2022 Elsevier B.V.",

year = "2022",

month = jul,

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doi = "10.1016/j.surfcoat.2022.128563",

language = "English (US)",

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T1 - RhNi/CeO2 catalytic activation of alumina open cell foams by dip-spin coating for the CO2 methanation of biogas

AU - Balzarotti, Riccardo

AU - Drago Ferrante, Giovanni

AU - Italiano, Cristina

AU - Laganà, Massimo

AU - Francis, Lorraine F.

AU - Vita, Antonio

AU - Cristiani, Cinzia

AU - Pino, Lidia

N1 - Funding Information: This paper is in memory of Prof. Pio Forzatti of Politecnico di Milano and Prof. Pierluigi Villa of Università degli Studi dell'Aquila. Publisher Copyright: © 2022 Elsevier B.V.

PY - 2022/7/15

Y1 - 2022/7/15

N2 - Production of CH4 by methanation of biogas provides a promising route towards sustainable energy production for the future. Utilization of biogas from biomass as CO2 source combines the advantage of reduction of greenhouse gas emissions producing a fuel with high energy density. In this study we apply a dip-spin coating method for washcoating Ni(7.5 wt%)Rh(0.5 wt%)/CeO2 catalyst on alumina open cell foams with different cell densities (20, 30 and 40 PPI). The catalytic activity of the structured samples was assessed using a gas mixture that simulates a typical biogas composition (CH4 = 60%vol; CO2 = 40%vol). The effects of the reaction temperature (300–600 °C) and H2/CO2 molar ratio in the feed (3–5) on the CO2 conversion and CH4 selectivity were evaluated under a gas hourly space velocity (GHSV) of 5100 h−1. All samples showed appreciable CO2 conversion ranging between 62.5 and 66.7% at reaction temperature of 500–600 °C, and a CH4 productivity of 3.4 molCH4·gMe−1·h−1 was obtained with the catalyst supported on open cell foam with 30 and 20 PPI under a reaction temperature of 400 °C.

AB - Production of CH4 by methanation of biogas provides a promising route towards sustainable energy production for the future. Utilization of biogas from biomass as CO2 source combines the advantage of reduction of greenhouse gas emissions producing a fuel with high energy density. In this study we apply a dip-spin coating method for washcoating Ni(7.5 wt%)Rh(0.5 wt%)/CeO2 catalyst on alumina open cell foams with different cell densities (20, 30 and 40 PPI). The catalytic activity of the structured samples was assessed using a gas mixture that simulates a typical biogas composition (CH4 = 60%vol; CO2 = 40%vol). The effects of the reaction temperature (300–600 °C) and H2/CO2 molar ratio in the feed (3–5) on the CO2 conversion and CH4 selectivity were evaluated under a gas hourly space velocity (GHSV) of 5100 h−1. All samples showed appreciable CO2 conversion ranging between 62.5 and 66.7% at reaction temperature of 500–600 °C, and a CH4 productivity of 3.4 molCH4·gMe−1·h−1 was obtained with the catalyst supported on open cell foam with 30 and 20 PPI under a reaction temperature of 400 °C.

KW - Biogas

KW - CO methanation

KW - Open-cell foams

KW - Structured reactors

KW - Washcoat

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