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Title

A system of containment to prevent oil spills from sunken tankers

AuthorsGarcía-Olivares, Antonio ; Agüero, Almudena; Haupt, Bernd J.; Marcos, María José; Villar, María V.; Pablos, Jose L. de
KeywordsEnvironmental impact
Sepiolite
Confinement
Sunken tankers
Oil spills
Issue DateSep-2017
PublisherElsevier
CitationScience of the Total Environment 593-594: 242-252 (2017)
AbstractWorldwide tank spills represent 10% of the average annual input of oil in the sea. When such spills arise from wrecks at depth, neutralisation of environmental impacts is difficult to achieve. Extracting oil from sunken tankers is expensive, and, unfortunately, all of the oil cannot be extracted, as the Prestige case demonstrates. We propose an environmentally appropriate, cost-effective and proactive method to stop the long-term problem of leaks from sunken tankers similar to the Prestige. This method confines the wreck with a “sediment” capping of sepiolite mineral that emulates a natural sediment. A set of experiments and simulations shows that sepiolite has the characteristics necessary to accomplish the confinement of any current or future sunken tanker with minimal environmental perturbation
Description11 pages, 5 figures, 2 tables, supplementary data http://dx. doi.org/10.1016/j.scitotenv.2017.03.152
Publisher version (URL)https://doi.org/10.1016/j.scitotenv.2017.03.152
URIhttp://hdl.handle.net/10261/157432
DOI10.1016/j.scitotenv.2017.03.152
Identifiersdoi: 10.1016/j.scitotenv.2017.03.152
issn: 0048-9697
e-issn: 1879-1026
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