DBPapers
DOI: 10.5593/SGEM2014/B13/S3.006

APPROACHING ENVIRONMENTAL ISSUES IN SALT MINING BY DISSOLUTION

G. Tudor, N. M. Catalin
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-09-4 / ISSN 1314-2704, June 19-25, 2014, Book 1, Vol. 3, 41-48 pp

ABSTRACT
Environmental impact rock salt mining by dissolution manifests in various ways: surface and ground waters may be affected by discharges of contaminated water, air can be affected by emissions of particulate matter, and subsidence of surrounding terrain can affect inhabited areas. Moreover, when it is not accurately known the deposit’s tectonic and of surrounding rocks, the underground gaps remaining after the extraction of salt can propagate up to the surface, which may have as a result of uncontrolled outflow brine. When hydrocarbons are used to achieve the protection blanket, the discharge may cause environmental contamination. To avoid such catastrophic events occurrencse is important to know the characteristics of salt for proper sizing of safety pillars aimed at salt cavities stability provision. This paper presents possibilities of minimising the environmental impact from the solution salt mining processes.

Keywords: salt disolution, voids stability, impact, environment.

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