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Sequestration of C02 in coal Seams: a few thoughts


Affiliations
1 Sr Research Fellow - CSIR Metallurgical & Material Engineering, Jadavpur University, India
2 Professor, Metallurgical & Material Engineering, Jadavpur University, India
     

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With global targets of the decrease of greenhouse gas emissions, attention has turned to the capture and storage of carbondioxide in geological media. Proposals for C 0 2 storage have included plans to sequester C02 in deep, unminable coals seams, with the possibility for enhanced coal bed methane recovery. However, the extent to which coal can adsorb C02 is affected by a number of factors. The nature of the coal will determine the maximum adsorption capacity under a given set of conditions, but the sequestra­tion environment will determine the extent to which thatultim ate capacity will be realized. The effect of both physical and chemical changes need to be understood. Parameters such as tem perature, pressure, and pH might be expected to have a moder­ate to large influence.
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  • Sequestration of C02 in coal Seams: a few thoughts

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Authors

Priyanko Kumar Banerjee
Sr Research Fellow - CSIR Metallurgical & Material Engineering, Jadavpur University, India
B. Chaudhuri
Professor, Metallurgical & Material Engineering, Jadavpur University, India

Abstract


With global targets of the decrease of greenhouse gas emissions, attention has turned to the capture and storage of carbondioxide in geological media. Proposals for C 0 2 storage have included plans to sequester C02 in deep, unminable coals seams, with the possibility for enhanced coal bed methane recovery. However, the extent to which coal can adsorb C02 is affected by a number of factors. The nature of the coal will determine the maximum adsorption capacity under a given set of conditions, but the sequestra­tion environment will determine the extent to which thatultim ate capacity will be realized. The effect of both physical and chemical changes need to be understood. Parameters such as tem perature, pressure, and pH might be expected to have a moder­ate to large influence.