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CO2 leakage test in a shallow aquifer for investigating the geochemical impact of CO2 on groundwater and for developing monitoring methods and concepts by Anita Peter; Götz Hornbruch; Andreas Dahmke is a Engineering article available to read on EtoBox.

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CO 2 leakage from subsurface storage sites is one of the main concerns connected with the CCS technology. As CO 2 leakages into near surface formations appear to be very unlikely within pilot CCS projects, the aim of this work is to emulate a leakage by injecting CO 2 into a near surface aquifer. The two main questions pursued by the injection test are (1) to investigate the impact of CO 2 on the hydrogeochemistry of the groundwater as a base for groundwater risk assessment and (2) to develop and apply monitoring methods and monitoring concepts for detecting CO 2 leakages in shallow aquifers. The presented injection test is planned within the second half of 2010, as a joint project of the University of Kiel (Germany), the Helmholtz-Centre for Environmental Research (Leipzig, Germany) and the Engineering Company GICON (Dresden, Germany). The test site has been investigated in detail using geophysical methods as well as direct-push soundings, groundwater well installation and soil and groundwater analyses. The present paper presents briefly the geological and hydrogeological conditions at the test site as well as the planned injection test design and monitoring concept.

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Author

Anita Peter; Götz Hornbruch; Andreas Dahmke

Publisher

Elsevier ; Elsevier BV (ISSN 1876-6102)

Published

2011

Language

EN

Field

Engineering (Physical Sciences)