Research for realization of carbon dioxide capture and storage in non-structural aquifer

About this project

Japan Grant Number
JP17H01291
Funding Program
Grants-in-Aid for Scientific Research
Funding organization
Japan Society for the Promotion of Science
Project/Area Number
17H01291
Research Category
Grant-in-Aid for Scientific Research (A)
Allocation Type
  • Single-year Grants
Review Section / Research Field
  • Science and Engineering > Engineering > Civil engineering > Geotechnical engineering
Research Institution
  • Kyushu University
Project Period (FY)
2017-04-01 〜 2022-03-31
Project Status
Completed
Budget Amount*help
42,900,000 Yen (Direct Cost: 33,000,000 Yen Indirect Cost: 9,900,000 Yen)

Research Abstract

In this study, we developed a laboratory test apparatus to clarify the flow and storage characteristics of supercritical CO2 in low permeable sandstone. And the mechanism of flow and storage in low permeable sandstone has been clarified. Furthermore, we constructed a new flow/storage model that considers the mechanism of supercritical CO2 in rocks, and developed a numerical simulation has been conducted. As a result, it confirms that CO2 penetrates low permeable sandstone while branching. It was found that residual gas trapping is the dominant storage mechanism for CO2 geological sequestration in rocks with low permeability. In addition, it is shown that low permeability sandstone is suitable for Deep Saline Aquifer (DSA) when caprock is not required because it can store a large amount of CO2 over a long period of time through residual gas trapping.

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