Although CO2 capture and storage in deep, offshore reservoirs is a proven technology, as illustrated by over 15 years of operation of the Sleipner site in the Norwegian North Sea, potential leakage from such sites into the overlying water column remains a concern for some stakeholders. Therefore, we are obliged to carefully assess our ability to predict and monitor the migration, fate, and potential ecosystem impact of any leaked CO2. The release of bubbles from the sea floor, their upward movement, and their dissolution into the surrounding water controls the initial boundary conditions, and thus an understanding of the behavior of CO2 bubbles is critical to address such issues related to monitoring and risk assessment. The present study describes results from an in situ experiment conducted in 12 m deep marine water near the extinct volcanic island of Panarea (Italy). Bubbles of a controlled size were created using natural CO2 released from the sea floor, and their evolution during ascent in the water column was monitored via both video and chemical measurements. The obtained results were modelled and a good fit was obtained, showing the potential of the model as a predictive tool. These preliminary results and an assessment of the difficulties encountered are examined and will be used to improve experimental design for the subsequent phase of this research.

Preliminary experiments and modelling of the fate of CO2 bubbles in the water column near Panarea Island (Italy) / Beaubien, Stanley Eugene; C., De Vittor; D. F., Mcginnis; Bigi, Sabina; C., Comici; G., Ingrosso; Lombardi, Salvatore; Ruggiero, Livio. - In: ENERGY PROCEDIA. - ISSN 1876-6102. - ELETTRONICO. - 59:(2014), pp. 397-403. (Intervento presentato al convegno European Geosciences Union General Assembly 2014 tenutosi a Vienna, Austria nel 27 April – 02 May 2014) [10.1016/j.egypro.2014.10.394].

Preliminary experiments and modelling of the fate of CO2 bubbles in the water column near Panarea Island (Italy)

BEAUBIEN, Stanley Eugene;BIGI, Sabina;LOMBARDI, Salvatore;RUGGIERO, LIVIO
2014

Abstract

Although CO2 capture and storage in deep, offshore reservoirs is a proven technology, as illustrated by over 15 years of operation of the Sleipner site in the Norwegian North Sea, potential leakage from such sites into the overlying water column remains a concern for some stakeholders. Therefore, we are obliged to carefully assess our ability to predict and monitor the migration, fate, and potential ecosystem impact of any leaked CO2. The release of bubbles from the sea floor, their upward movement, and their dissolution into the surrounding water controls the initial boundary conditions, and thus an understanding of the behavior of CO2 bubbles is critical to address such issues related to monitoring and risk assessment. The present study describes results from an in situ experiment conducted in 12 m deep marine water near the extinct volcanic island of Panarea (Italy). Bubbles of a controlled size were created using natural CO2 released from the sea floor, and their evolution during ascent in the water column was monitored via both video and chemical measurements. The obtained results were modelled and a good fit was obtained, showing the potential of the model as a predictive tool. These preliminary results and an assessment of the difficulties encountered are examined and will be used to improve experimental design for the subsequent phase of this research.
2014
European Geosciences Union General Assembly 2014
CCS; CO2; in situ bubble experiment; modelling
04 Pubblicazione in atti di convegno::04c Atto di convegno in rivista
Preliminary experiments and modelling of the fate of CO2 bubbles in the water column near Panarea Island (Italy) / Beaubien, Stanley Eugene; C., De Vittor; D. F., Mcginnis; Bigi, Sabina; C., Comici; G., Ingrosso; Lombardi, Salvatore; Ruggiero, Livio. - In: ENERGY PROCEDIA. - ISSN 1876-6102. - ELETTRONICO. - 59:(2014), pp. 397-403. (Intervento presentato al convegno European Geosciences Union General Assembly 2014 tenutosi a Vienna, Austria nel 27 April – 02 May 2014) [10.1016/j.egypro.2014.10.394].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/650883
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