Large-scale ex situ tests for CO 2 storage in coal beds

Wiatowski, Marian, Kapusta, Krzysztof, Stańczyk, Kamil, Szyja, Marcin, Masum, Shakil ORCID: https://orcid.org/0000-0001-8525-7507, Sadasivam, Sivachidambaram ORCID: https://orcid.org/0000-0002-2305-0292 and Thomas, Hywel Rhys ORCID: https://orcid.org/0000-0002-3951-0409 2023. Large-scale ex situ tests for CO 2 storage in coal beds. Energies 16 (17) , 6326. 10.3390/en16176326

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Abstract

This publication discusses the experiments and findings of project ROCCS (Establishing a Research Observatory to Unlock European Coal Seams for Carbon Dioxide Storage), which aimed to investigate the potential for carbon dioxide storage in coal seams. The project involved large-scale ex situ laboratory tests, where CO2 was injected into an experimental coal seam using a high-pressure reactor at the Central Mining Institute in Poland. The reactor simulated underground conditions, and the experimental coal seam measured 3.05 m in length with a cross-section of 0.4 × 0.4 m. Parameters such as gas flow, temperatures, and pressures were monitored during the experiments. In the study conducted, the sorption capacity of coal from the Polish mine “Piast-Ziemowit” for CO2, at a sorption pressure of 30 bar, was determined to be 4.8% by weight relative to the raw coal mass. The data collected from these ex situ tests can support the design of a potential commercial-scale CO2 storage installation.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Engineering
Additional Information:	License information from Publisher: LICENSE 1: URL: https://creativecommons.org/licenses/by/4.0/, Type: open-access
Publisher:	MDPI
Date of First Compliant Deposit:	8 September 2023
Date of Acceptance:	28 August 2023
Last Modified:	09 Sep 2023 10:10
URI:	https://orca.cardiff.ac.uk/id/eprint/162336

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