Evaluation of Effectiveness of CO 2 Sequestration Using Portland Cement in Geological Reservoir Based on Unified Pipe-network Method

Xiao Yan, Zizheng Sun, Shucai Li, Weimin Yang and Yiming Zhang
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Xiao Yan: State Key Laboratory for Geo-mechanics and Deep Underground Engineering, China University of Mining and Technology, 1 Daxue Road, Xuzhou 221116, China
Zizheng Sun: Geotechnical & Structural Engineering Research Center, Shandong University, Jinan 250061, China
Shucai Li: Geotechnical & Structural Engineering Research Center, Shandong University, Jinan 250061, China
Weimin Yang: Geotechnical & Structural Engineering Research Center, Shandong University, Jinan 250061, China
Yiming Zhang: School of Civil and Transportation Engineering, Hebei University of Technology, 5340 Xiping Road, Beichen District, Tianjin 300401, China

Energies, 2020, vol. 13, issue 2, 1-21

Abstract: In this paper, we first recapitulate some basic notions of the CO 2 sequestration and numerical model. Next, a mixed model is employed into the CO 2 sequestration framework, for simulating CO 2 geological sequestration processes. The last part of the paper makes extensions to evaluation of the effectiveness of CO 2 sequestration with respect to atmospheric pressure, formation temperature, the initial reactant concentration, fracture aperture, and fracture dip. The results show that reactive Portland cement has a great impact on the effectiveness of CO 2 sequestration, while the proposed mixed model is robust in simulation.

Keywords: CO 2 sequestration; multi-field analysis; unified pipe-network method; reactive portland cement (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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