Pilot-scale study of biomethanation in biological trickle bed reactors converting impure CO2 from a Full-scale biogas plant

Brian Dahl Jønson; Panagiotis Tsapekos; Muhammed Tahir Ashraf; Martin Jeppesen; Jens Ejbye Schmidt; Juan Rodrigo Bastidas-Oyanedel

doi:10.1016/j.biortech.2022.128160

Pilot-scale study of biomethanation in biological trickle bed reactors converting impure CO₂ from a Full-scale biogas plant

Brian Dahl Jønson, Panagiotis Tsapekos, Muhammed Tahir Ashraf^*, Martin Jeppesen, Jens Ejbye Schmidt, Juan Rodrigo Bastidas-Oyanedel

^*Corresponding author for this work

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Abstract

Research within biological methanation has been a great development using biotrickling filters (BTF), as a power-to-x solution, but research within up scaling is missing. This study investigates the commercial potential of biomethanation in BTF by operating two 1 m³ reactors which was implemented into a full-scale biogas plant. Several areas were investigated, such as enrichment and start-up, long-term steady state operation, serial operation, and intermittent feed. A methane productivity of 9.44 Nm_CH₄³ m_R^-3 day^-1 with a product gas of 95.7 % CH₄ was obtained for parallel operation, whereas during serial operation a methane productivity of 10.6 Nm_CH₄³ m_R^-3 day^-1 at 97.4 % CH₄ was achieved. The flexibility of the biomethanation was demonstrated with unintentional loss of H₂ feed in periods of 12 to 72 h, where initial performance was regained within 6 to 12 h. The results from this study demonstrate the potential for commercial use of biomethanation in BTF for future Power-to-X solutions.

Original language	English
Article number	128160
Journal	Bioresource Technology
Volume	365
Number of pages	10
ISSN	0960-8524
DOIs	https://doi.org/10.1016/j.biortech.2022.128160
Publication status	Published - 2022

Keywords

Biogas
Biomethanation
Biomethane
Pilot scale
Power-to-x

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title = "Pilot-scale study of biomethanation in biological trickle bed reactors converting impure CO2 from a Full-scale biogas plant",

abstract = "Research within biological methanation has been a great development using biotrickling filters (BTF), as a power-to-x solution, but research within up scaling is missing. This study investigates the commercial potential of biomethanation in BTF by operating two 1 m3 reactors which was implemented into a full-scale biogas plant. Several areas were investigated, such as enrichment and start-up, long-term steady state operation, serial operation, and intermittent feed. A methane productivity of 9.44 NmCH43 mR-3 day-1 with a product gas of 95.7 % CH4 was obtained for parallel operation, whereas during serial operation a methane productivity of 10.6 NmCH43 mR-3 day-1 at 97.4 % CH4 was achieved. The flexibility of the biomethanation was demonstrated with unintentional loss of H2 feed in periods of 12 to 72 h, where initial performance was regained within 6 to 12 h. The results from this study demonstrate the potential for commercial use of biomethanation in BTF for future Power-to-X solutions.",

keywords = "Biogas, Biomethanation, Biomethane, Pilot scale, Power-to-x",

author = "J{\o}nson, {Brian Dahl} and Panagiotis Tsapekos and {Tahir Ashraf}, Muhammed and Martin Jeppesen and {Ejbye Schmidt}, Jens and Bastidas-Oyanedel, {Juan Rodrigo}",

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year = "2022",

doi = "10.1016/j.biortech.2022.128160",

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T1 - Pilot-scale study of biomethanation in biological trickle bed reactors converting impure CO2 from a Full-scale biogas plant

AU - Jønson, Brian Dahl

AU - Tsapekos, Panagiotis

AU - Tahir Ashraf, Muhammed

AU - Jeppesen, Martin

AU - Ejbye Schmidt, Jens

AU - Bastidas-Oyanedel, Juan Rodrigo

PY - 2022

Y1 - 2022

N2 - Research within biological methanation has been a great development using biotrickling filters (BTF), as a power-to-x solution, but research within up scaling is missing. This study investigates the commercial potential of biomethanation in BTF by operating two 1 m3 reactors which was implemented into a full-scale biogas plant. Several areas were investigated, such as enrichment and start-up, long-term steady state operation, serial operation, and intermittent feed. A methane productivity of 9.44 NmCH43 mR-3 day-1 with a product gas of 95.7 % CH4 was obtained for parallel operation, whereas during serial operation a methane productivity of 10.6 NmCH43 mR-3 day-1 at 97.4 % CH4 was achieved. The flexibility of the biomethanation was demonstrated with unintentional loss of H2 feed in periods of 12 to 72 h, where initial performance was regained within 6 to 12 h. The results from this study demonstrate the potential for commercial use of biomethanation in BTF for future Power-to-X solutions.

AB - Research within biological methanation has been a great development using biotrickling filters (BTF), as a power-to-x solution, but research within up scaling is missing. This study investigates the commercial potential of biomethanation in BTF by operating two 1 m3 reactors which was implemented into a full-scale biogas plant. Several areas were investigated, such as enrichment and start-up, long-term steady state operation, serial operation, and intermittent feed. A methane productivity of 9.44 NmCH43 mR-3 day-1 with a product gas of 95.7 % CH4 was obtained for parallel operation, whereas during serial operation a methane productivity of 10.6 NmCH43 mR-3 day-1 at 97.4 % CH4 was achieved. The flexibility of the biomethanation was demonstrated with unintentional loss of H2 feed in periods of 12 to 72 h, where initial performance was regained within 6 to 12 h. The results from this study demonstrate the potential for commercial use of biomethanation in BTF for future Power-to-X solutions.

KW - Biogas

KW - Biomethanation

KW - Biomethane

KW - Pilot scale

KW - Power-to-x

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DO - 10.1016/j.biortech.2022.128160

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SN - 0960-8524

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JO - Bioresource Technology

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