Discussion of the Influence of CO and CH4 in CO2 Transport, Injection, and Storage for CCS Technology

被引:21
作者
Blanco, Sofia T. [1 ]
Rivas, Clara [1 ]
Bravo, Ramon [2 ]
Fernandez, Javier [1 ]
Artal, Manuela [1 ]
Velasco, Inmaculada [1 ]
机构
[1] Univ Zaragoza, Fac Ciencias, Dept Quim Fis, E-50009 Zaragoza, Spain
[2] Univ Santiago de Compostela, Fac Fis, Dept Fis Aplicada, Santiago De Compostela 15782, Spain
关键词
PERTURBED-CHAIN SAFT; EQUATION-OF-STATE; SOLUBILITY PARAMETERS; CARBON-DIOXIDE; CAPTURE; SEQUESTRATION; MIXTURES; PRESSURE; MONOXIDE; HYDROGEN;
D O I
10.1021/es502306k
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This paper discusses the influence of the noncondensable impurities CO and CH4 on Carbon Capture and Storage (CCS) technology. We calculated and drew conclusions about the impact of both impurities in the CO2 on selected transport, injection, and storage parameters (pipeline pressure drop, storage capacity, etc.), whose analysis is necessary for the safe construction and operation of CO2 pipelines and for the secure long-term geological storage of anthropogenic CO2. To calculate these parameters, it is necessary to acquire data on the volumetric properties and the vapor-liquid equilibrium of the fluid being subjected to CCS. In addition to literature data, we used new experimental data, which are presented here and were obtained for five mixtures of CO2+CO with compositions characteristic of the typical emissions of the E.U. and the U.S.A. Temperatures and pressures are based on relevant CO2 pipeline and geological storage site values. From our experimental results, Peng-Robinson, PC-SAFT, and GERG Equations of State for were validated CO2+CO under the conditions of CCS. We conclude that the concentration of both impurities strongly affects the studied parameters, with CO being the most influential and problematic. The overall result of these negative effects is an increase in the difficulties, risks, and overall costs of CCS.
引用
收藏
页码:10984 / 10992
页数:9
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