A fast method to equilibrate carbon dioxide with brine at high pressure and elevated temperature including solubility measurements

被引：74

作者：

El-Maghraby, R. M. ^{[1
]}

Pentland, C. H. ^{[1
]}

Iglauer, S. ^{[1
]}

Blunt, M. J. ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Earth Sci & Engn, London SW7 2AZ, England

来源：

JOURNAL OF SUPERCRITICAL FLUIDS | 2012年 / 62卷

关键词：

Equilibration of brine/CO2; Solubility of CO2; CO2; storage; Supercritical CO2; Dissolution trapping; CO2; SOLUBILITY; GEOLOGICAL SEQUESTRATION; AQUEOUS-SOLUTIONS; IMPROVED MODEL; WATER; NACL; DENSITIES; CO2-H2O;

D O I：

10.1016/j.supflu.2011.11.002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We introduce a fast, easy and reliable methodology, using a stirred reactor, to equilibrate carbon dioxide with brine and measure the solubility of carbon dioxide in the aqueous phase at high pressure (9 MPa) and elevated temperature (33,50 and 70 degrees C) conditions at the litre scale. The solubility of carbon dioxide in brine was measured using an isothermal depressurization method and compared with data in the literature. This methodology can be used in petroleum engineering, carbon storage and chemical engineering applications. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：55 / 59

页数：5

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