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Possible options for the geological storage of carbon dioxide in Hungary

Storage of anthropogenic carbon dioxide in deep geological formations is a possibility for the mitigation of climate change. CO2 can be stored in deep saline aquifers, depleted oil and gas fields and unmineable coal seams. Due to the tectonic setting and the evolution of the Pannonian Basin, in Hungary all storage options are available. Saline aquifers of the Pannonian Szolnok Formation and Újfalu Formation seem to be the best CO2 reservoirs but depleted gas fields in the Great Hungarian Plain also have significant capacity. As for the coal fields, the Lower Jurassic Mecsek Coal Formation and the deep lignite seams of the Pannonian Újfalu Formation are potential storage places.