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Geochemical recovery of the Torna-Marcal river system after the Ajka red mud spill, Hungary

Anton, A. D.; Magyar, A.; Mayer, W. M.; Anton, Á. D.; Klebercz, O.; Magyar, Á.; Mayes, W. M.; Burke, I. T.; Jarvis, A. P.; Gruiz, K.; Mayes, W. M.

Authors

A. D. Anton

A. Magyar

W. M. Mayer

Á. D. Anton

O. Klebercz

Á. Magyar

W. M. Mayes

I. T. Burke

A. P. Jarvis

K. Gruiz

Abstract

The failure of the Ajka red mud depository in October 2010 led to the largest single release of red mud into the surface water environment. This study provides a comparative assessment of stream sediment quality in the Torna–Marcal–Rába catchment between post-disaster surveys (2010) and follow up surveys at an identical suite of 21 locations in 2013. The signature of red mud apparent in initial surveys with high Al, As, Cr, Na, V was only apparent at a small number of sample stations in recent surveys. These constitute <1 km of stream, compared to the >20 km reach of affected sediments in the immediate aftermath of the spill. Concentrations of red mud-derived contaminants are predominately associated with fine fractions of the red mud (<8 μm). This enhances transport out of the system of red mud-derived contaminants and, along with extensive remedial efforts, has substantially limited the within-channel inventory of potentially ecotoxic metals and metalloids.

Publication Date Oct 7, 2014
Journal Environmental science : processes and impacts
Print ISSN 2050-7887
Electronic ISSN 2050-7895
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 16
Issue 12
Pages 2677-2685
Institution Citation Anton, Á. D., Klebercz, O., Magyar, Á., Burke, I. T., Jarvis, A. P., Gruiz, K., & Mayes, W. M. (2014). Geochemical recovery of the Torna-Marcal river system after the Ajka red mud spill, Hungary. Environmental science--processes & impacts, 16(12), 2677-2685. https://doi.org/10.1039/c4em00452c
DOI https://doi.org/10.1039/c4em00452c
Keywords Red mud, Ajka red mud spill, Hungary, Contaminants, Stream sediment quality
Publisher URL http://pubs.rsc.org/en/Content/ArticleLanding/2014/EM/C4EM00452C#!divAbstract
Additional Information Copy of article first published in: Environmental science : processes and impacts, 2014, v.16, issue 12.

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This work is licensed under a Creative Commons Attribution 3.0 Unported License.



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