HomeVideoGeorgios Dimadis | Aristotle University | Greece | Earth Science 2015 | Conference Series LLC

Georgios Dimadis | Aristotle University | Greece | Earth Science 2015 | Conference Series LLC

Georgios Dimadis | Aristotle University | Greece | Earth Science 2015 | Conference Series LLC

4th International Conference on Earth Science and Climate Change June 16-18, 2015 Melia Alicante, Alicante, Spain

Scientific Talk On: Impact of CO2 saturated water solution on Grevena sandstone, a potential deep aquifer for carbon dioxide sequestration

Click here for Abstract and Biography: http://earthscience.conferenceseries.com/abstract/2015/impact-of-co2-saturated-water-solution-on-grevena-sandstone-a-potential-deep-aquifer-for-carbon-dioxide-sequestration

George Dimadis currently is a PhD student in laboratory of technical geology, department of civil engineering at Aristotle university of Thessaloniki. He graduated civil engineering school at AUTH and holds two Master degrees in Underground constructions (N.T.U.A.) and Environmental Protection (A.U.Th.).

Global warmth might be the most difficult challenge humanity ever faced, emitting less greenhouse gases seems to be the only solution to the problem. The major greenhouse gas, CO2, is closely related to economic and social growth. Keeping both, growth and low CO2 emission is a challenge. Green energy sources (wind, solar energy) can contribute in greenhouse gas emission control but not on time. The most promising technology for immediate results is CO2 capture and underground storage. Even though Greece has reduced CO2 emissions per capita during the last decade (mainly due to austerity) has still to find solutions for long time sustainability. Potential CO2 storage sites has to be selected and tested. By injecting CO2 underground, acidification of deep saline reservoir water occurs, due to formationof carbonic acid. In long term porous rockmass and their discontinuities might be susceptible to corrosion, especially if their calcite percentage is high.Potential rockmass mechanical losses might impact reservoir’s sealing integrity, and lead at CO2 leakage. In this study sandstone from a potential storage formation in Greece, is tested in situ with CO2-water exposure.We measured losses in mechanical properties under static and cyclic loading. Extracted conclusions were introduced in computer simulation to estimate long term reservoir behavior.

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