Abstract
While geological sequestration of anthropogenic carbon dioxide is a technically and economically viable option for reducing emissions to the level required to avoid the predicted 2 degrees Celsius increase of atmospheric temperature by the end of this century, efficient sequestration planning is vital for the achievement of this goal.The petroleum industry has used conventional surfactants in enhance oil recovery projects aimed at prolonging the life span of a field, thereby increasing ultimate reserves. Notable among these is the use of surfactants for injected gas relative mobility control. Therefore, the potential for carbon dioxide mobility control in saline aquifers using surfactant alternating gas injection is huge, given the rich experience that can be tapped from the petroleum industry practice.Considering the expected surfactant loses in surfactant-enhanced geological sequestration similar to that encountered in the petroleum industry, this paper has used the analytical solution to advective diffusive equation that exists in the literature with a linear adsorption model where, adsorption has been used to predict trends in minimum pressure drop required for foam generation. The greatest utility of this work lies in the fact that the analytical solution is related a linear adsorption model related to a novel surfactant found from biological and hydrocarbon sources of geologic origin. This paper, therefore, extends the work of linear adsorption models for this novel surfactant aimed at exploring improved oil recovery potentials; in addition to exploring its potential for efficient geological carbon storage in saline aquifers.
Highlights
The exponential trend in energy consumption both at domestic and industrial levels since the industrial revolution has resulted in unprecedented release of anthropogenic carbon dioxide into the atmosphere
While several studies have appeared regarding the adsorption of Ziziphus Christis on reservoir rock samples, the present study is the first to present analytical calculation solution to advective-dispersive transport of Ziziphus Christis in a porous medium with a linear adsorption model
The following sums up the conclusion of this study: 1. The dynamic adsorption behavior of Ziziphus Christis shows a gradual decrease in gradient with time of injection, which is indicative of a gradual increase of surfactant concentration in brine with time in the porous medium
Summary
The exponential trend in energy consumption both at domestic and industrial levels since the industrial revolution has resulted in unprecedented release of anthropogenic carbon dioxide into the atmosphere. The analytical solution to a mathematical using adsorption kinetic parameters that describe the linear adsorption model where Ziziphus Christis is used for experiments will be an extension of the investigation of this surfactant for tertiary oil recovery projects and for enhanced geological storage of anthropogenic carbon dioxide. This objective will be pursued in this paper
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