Effects on the shallow aquifers by CO2 leakages in a tertiary basin (province of Murcia, Spain)

Rodrigo Naharro, Julio and Vaselli, Orlando and Tassi, Franco and Clemente Jul, María del Carmen and Perez del Villar, Luis (2011). Effects on the shallow aquifers by CO2 leakages in a tertiary basin (province of Murcia, Spain). In: "5th International Conference on Clean Coal Technologies", 08/05/2011 - 12/05/2011, Zaragoza, España.

Description

Title: Effects on the shallow aquifers by CO2 leakages in a tertiary basin (province of Murcia, Spain)
Author/s:
  • Rodrigo Naharro, Julio
  • Vaselli, Orlando
  • Tassi, Franco
  • Clemente Jul, María del Carmen
  • Perez del Villar, Luis
Item Type: Presentation at Congress or Conference (Article)
Event Title: 5th International Conference on Clean Coal Technologies
Event Dates: 08/05/2011 - 12/05/2011
Event Location: Zaragoza, España
Title of Book: Proceedings of 5th International Conference on Clean Coal Technologies
Date: 2011
Subjects:
Faculty: E.T.S.I. Minas (UPM)
Department: Ingeniería Química y Combustibles [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Geological storage of CO2 is nowadays internationally considered as the most effective method for greenhouse gas emission mitigation, in order to minimize its effects on the global climatology. One of the main options is to store CO2 in deep saline aquifers at more than 800m depth, because it reaches its supercritical state. Study of the CO2 natural accumulations as natural analogues of an artificial CO2 storage is very useful in order to understand the CO2 long term behaviour and thus to predict its possible impact on the surficial environment and life. Therefore the main objective of this work is to detect the affection of the CO2 leakages from a deep saline aquifer on the shallow aquifers, all of them located in the Gañuelas-Mazarrón Tertiary basin (Province of Murcia, Spain). This CO2 storage and leakage natural system can be analogous to an artificial CO2 storage with leakage phenomena. In order to reach these objectives, groundwaters from different aquifers in the site have been sampled and analysed for major elements, free and dissolved gases and stable isotopes, particularly ∂ 13 C and 3 He/ 4 He. The results obtained allow to conclude that this natural system is an interesting example of natural analogue for an artificial CO2 storage affected by leakage processes because the shallow fresh aquifers in the site are polluted by CO2 from the deep saline aquifer as a consequence of an intensive over-exploitation of these freshwater aquifers

More information

Item ID: 11552
DC Identifier: http://oa.upm.es/11552/
OAI Identifier: oai:oa.upm.es:11552
Deposited by: Memoria Investigacion
Deposited on: 18 Jul 2012 09:41
Last Modified: 20 Apr 2016 19:35
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