Abstract
CO2 sequestration is considered as one of the most anticipated methods to mitigate CO2 concentration in the atmosphere. Solubility mechanism is one of the most important and sophisticated mechanisms by which CO2 is rendered immobile while it is being injected into aquifers. A semi-empirical, easy to use model was developed to calculate the solubility of CO2 in NaCl brines with thermodynamic conditions (pressure, temperature) and salinity gradients representative CO2 sequestration in the Malay basin. The model was compared to the previous more sophisticated models and a good consistency was found among the data obtained using the two models. A Sensitivity analysis was also conducted on the model to test its performance beyond its limits.
Highlights
Burning fossil fuels has released enormous amounts of greenhouse gases in the atmosphere since the industrial revolution
The greenhouse gases are the main reason behind the global warming [1]
CO2 sequestration potentially provides around 25 % of the required mitigation to global emissions, which can delay global warming to an acceptable extent If successfully conducted, CO2 may be safely sequestrated in depleted saline aquifers, un-minable coal beds, oil and gas reservoirs. [1,2] Due to known geological formation and existence of seal traps, CO2 may be more safely sequestrated in depleted oil and gas reservoirs as compared to saline aquifers and coal bed methane reservoirs
Summary
To cite this article: E Mohammadian et al 2018 IOP Conf. Ser.: Mater.
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