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Online Journal of Earth Sciences
Year: 2019  |  Volume: 13  |  Issue: 1  |  Page No.: 10 - 14

Carbon Capture and Sequestration Technique as a Feasible Solution to the Problem of Climate Change

K.O. Rabiu    

Abstract: Climate change is a major problem that the world is facing today and this problem can be attributed to the excessive burning of carbon into the atmosphere. Carbon Capture and Sequestration (CCS) technique has been proven to proffer solution to this problem. CCS is the process of capturing CO2 emission from power plant, compressed, transport and storage in geological formation for a significant period of time. Carbon dioxide can remain trapped underground by a number of mechanisms such as structural trapping in which CO2 is trapped beneath the confining layer (caprock); retention as an immobile phase trapped in the pore spaces of the storage formation; dissolution in the in-situ formation fluids and adsorption onto organic matter in coal and shale. Additionally, it may be trapped by reacting with the minerals in the storage formation and caprock to produce carbonate minerals. Also, the criterial for site selection during geological carbon sequestration were discussed. Moreover, the CO2 monitoring techniques and simulators for modelling CO2 sequestration were also explained.

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