L773:2267 1242
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- Filcenco-Olteanu, AntonetaResearch and Development National Institute for Metals and Radioactive Resource (author)
Physical chemical characterization of historical mining waste and ARD prediction tests
- Article/chapterEnglish2017
Publisher, publication year, extent ...
- 2017-10-04
- EDP Sciences,2017
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:ltu-66315
- https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-66315URI
- https://doi.org/10.1051/e3sconf/201712301031DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
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Notes
- Konferensartikel i tidskrift
- There are thousands of historical mine tailings and metallurgical residues present on inactive metal mining sites which have been abandoned. However, the potential release of dissolved metals, acidity, or suspended particulates from mine-waste dumps can be a serious and long-lasting problem. A variety of environmental impacts may occur at this abandoned mine sites and leading the list is acid generation, which is one of the main problems from metal mining. The objective of the present study was to characterize and evaluate the Romanian historical tailing of Sasar-Red Valley, near Baia Mare. This involved physical and chemical characterization of the materials and its acid generating potential. Sasar tailing impoundment contains 8.5 million m3 of tailings and occupies an area of 32.5 hectares. Tailings samples were collected from different depths in three sampling points, and characterized by grain size, chemical elements concentration, elements distribution of elements in depth, paste pH, acid-base account and net acid generation tests. Acid base accounting (ABA) tests in conjunction with net acid generation (NAG) tests classified the samples into the category of 'potentially acid generating'. This paper presents a synthesis of works performed in the Improve Resource Efficiency and Minimize Environmental Footprint (REMinE) project.
Subject headings and genre
- NATURVETENSKAP Geovetenskap och miljövetenskap Geokemi hsv//swe
- NATURAL SCIENCES Earth and Related Environmental Sciences Geochemistry hsv//eng
- Applied Geochemistry
- Tillämpad geokemi
Added entries (persons, corporate bodies, meetings, titles ...)
- Alakangas, LenaLuleå tekniska universitet,Geovetenskap och miljöteknik(Swepub:ltu)leal (author)
- Fiuza, AntoioUniversity of Porto, Engineering Faculty (author)
- Zlǎgnean, MariusResearch and Development National Institute for Metals and Radioactive Resource (author)
- Tomuş, NicolaeResearch and Development National Institute for Metals and Radioactive Resource (author)
- Research and Development National Institute for Metals and Radioactive ResourceGeovetenskap och miljöteknik (creator_code:org_t)
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- In:E3S Web of Conferences: EDP Sciences18:42267-1242
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