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Selection of Mixed Amines in the CO2 Capture Process
Open AccessArticle

A Threshold Line for Safe Geologic CO2 Storage Based on Field Measurement of Soil CO2 Flux

1
Japan Oil, Gas and Metals National Corporation (JOGMEC), Minato-ku, Tokyo 105-0001, Japan
2
Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University, Fukuoka 819-0395, Japan
3
PT Tura Consulting Indonesia, South Jakarta 12520, Indonesia
*
Author to whom correspondence should be addressed.
Academic Editor: Patricia Luis
Received: 10 February 2021 / Revised: 23 March 2021 / Accepted: 24 March 2021 / Published: 27 March 2021
(This article belongs to the Special Issue CO2 Capture and Valorization)
Carbon capture and storage (CCS) is an established and verified technology that can implement zero emissions on a large enough scale to limit temperature rise to below 2 °C, as stipulated in the Paris Agreement. However, leakage from CCS sites must be monitored to ensure containment performance. Surface monitoring of carbon dioxide (CO2) concentrations at onshore CCS sites is one method to locate and quantify CCS site leakage. Employing soil accumulation chambers, we have established baseline data for the natural flux of CO2 as a threshold alert to detect CO2 leakage flux to ensure the safety of onshore CCS sites. Within this context, we conducted on-site CO2 measurements at three different locations (A, B, and C) on the INAS test field at the Ito campus, Kyushu University (Japan). Furthermore, we developed a specific measurement system based on the closed-chamber method to continuously measure CO2 flux from soil and to investigate the correlation between CO2 flux from the soil surface and various parameters, including environmental factors and soil sample characteristics. In addition, gas permeability and the effect of different locations on soil CO2 flux are discussed in this study. Finally, we present an equation for estimating the soil CO2 flux used in the INAS field site that includes environmental factors and soil characteristics. This equation assists in defining the threshold line for an alert condition related to CO2 leakage at onshore CCS sites. View Full-Text
Keywords: soil CO2 flux; geologic CO2 storage; threshold line; field measurement; safety; CO2 leakage soil CO2 flux; geologic CO2 storage; threshold line; field measurement; safety; CO2 leakage
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MDPI and ACS Style

Kuriyama, T.; Quoc Huy, P.; Salmawati, S.; Sasaki, K. A Threshold Line for Safe Geologic CO2 Storage Based on Field Measurement of Soil CO2 Flux. C 2021, 7, 34. https://0-doi-org.brum.beds.ac.uk/10.3390/c7020034

AMA Style

Kuriyama T, Quoc Huy P, Salmawati S, Sasaki K. A Threshold Line for Safe Geologic CO2 Storage Based on Field Measurement of Soil CO2 Flux. C. 2021; 7(2):34. https://0-doi-org.brum.beds.ac.uk/10.3390/c7020034

Chicago/Turabian Style

Kuriyama, Takashi; Quoc Huy, Phung; Salmawati, Salmawati; Sasaki, Kyuro. 2021. "A Threshold Line for Safe Geologic CO2 Storage Based on Field Measurement of Soil CO2 Flux" C 7, no. 2: 34. https://0-doi-org.brum.beds.ac.uk/10.3390/c7020034

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