prikaz prve stranice dokumenta Modelling-friendly life cycle inventory of underground mining of bauxite: a case study from Jajce mines in Bosnia and Herzegovina
  Download
PDF 4.56 MB
Scientific paper - Preliminary note / Short communication
Modelling-friendly life cycle inventory of underground mining of bauxite: a case study from Jajce mines in Bosnia and Herzegovina
Rudarsko-geološko-naftni zbornik, 36 (2021), 3; 59-76. https://doi.org/10.17794/rgn.2021.3.5
Grbeš, Anamarija; Galić, Ivo; Farkaš, Branimir; Budeš, Ivan

Institutional repository: Faculty of Mining, Geology and Petroleum Engineering Repository, University of Zagreb

Cite this document

Grbeš, A., Galić, I., Farkaš, B. & Budeš, I. (2021). Modelling-friendly life cycle inventory of underground mining of bauxite: a case study from Jajce mines in Bosnia and Herzegovina. Rudarsko-geološko-naftni zbornik, 36. (3), 59-76. doi: 10.17794/rgn.2021.3.5

Grbeš, Anamarija, et al. "Modelling-friendly life cycle inventory of underground mining of bauxite: a case study from Jajce mines in Bosnia and Herzegovina." Rudarsko-geološko-naftni zbornik, vol. 36, no. 3, 2021, pp. 59-76. https://doi.org/10.17794/rgn.2021.3.5

Grbeš, Anamarija, Ivo Galić, Branimir Farkaš and Ivan Budeš. "Modelling-friendly life cycle inventory of underground mining of bauxite: a case study from Jajce mines in Bosnia and Herzegovina." Rudarsko-geološko-naftni zbornik 36, no. 3 (2021): 59-76. https://doi.org/10.17794/rgn.2021.3.5

Grbeš, A., et al. (2021) 'Modelling-friendly life cycle inventory of underground mining of bauxite: a case study from Jajce mines in Bosnia and Herzegovina', Rudarsko-geološko-naftni zbornik, 36(3), pp. 59-76. doi: 10.17794/rgn.2021.3.5

Grbeš A, Galić I, Farkaš B, Budeš I. Modelling-friendly life cycle inventory of underground mining of bauxite: a case study from Jajce mines in Bosnia and Herzegovina. Rudarsko-geološko-naftni zbornik [Internet]. 2021 [cited 2024 November 09];36(3):59-76. doi: 10.17794/rgn.2021.3.5

A. Grbeš, I. Galić, B. Farkaš and I. Budeš, "Modelling-friendly life cycle inventory of underground mining of bauxite: a case study from Jajce mines in Bosnia and Herzegovina", Rudarsko-geološko-naftni zbornik, vol. 36, no. 3, pp. 59-76, 2021. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:169:887795. [Accessed: 09 November 2024]

Metadata
Title (english)Modelling-friendly life cycle inventory of underground mining of bauxite: a case study from Jajce mines in Bosnia and Herzegovina
Title (croatian)Modeliranju pogodna inventarizacija životnoga ciklusa podzemne eksploatacije malih, grupiranih ležišta boksita: studija slučaja iz Rudnika boksita Jajce u Bosni i Hercegovini
AuthorAnamarija Grbeš https://orcid.org/0000-0001-9716-0497
AuthorIvo Galić
AuthorBranimir Farkaš https://orcid.org/0000-0002-2377-9446
AuthorIvan Budeš
Author's institutionUniversity of Zagreb
Faculty of Mining, Geology and Petroleum Engineering
(Department of Mining and Geotechnical Engineering)
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mining, Petroleum and Geology Engineering
Abstract (english)
The objective of this paper is the study of the life cycle inventory (LCI) for underground mining of small, clustered deposits of Dinaric Alps-type bauxites, mined in the mountains near Jajce, a town in Bosnia and Herzegovina, in the period 2010-2020. Modelling of the life cycle inventory was done based on the company’s internal reports and project documentation for a variant of the sublevel caving method that involves drilling and blasting. Four mines, located on three exploitation fields, were found in different phases of mine life, different levels of tectonic disturbances and different types of energy: diesel, electricity, and compressed air. The main results of this study are the inventory of underground bauxite exploitation made based on long-term data, the life cycle of one bauxite deposit, and the emission factors from blasting. Underground mining in this case proved to be energy intensive: an average of 52-92 MJ/t was required (as opposed to 37 MJ/t for surface bauxite exploitation in Italy). At the same time, underground bauxite exploitation caused only 5.6-6.4% of the transformation of natural land that is above the mines and deposits. The operations relying on diesel fuel caused local emissions in the air and underground. The operation relying on electricity for DC locomotive and generation of the compressed air were without local emission into the air, although energy efficiency was probably reduced using compressed air as mechanical energy. At the state level, the impact depends on the country’s energy mix, which is still quite dependent on fossil fuels. Engineering estimates of blasting emissions indicated detonators and ammonium nitrate explosives as a potentially important source of environmental impact. The mining industry would significantly benefit from cleaner energy in electricity generation (the energy sector) in Bosnia and Herzegovina. The path of air emissions in the underground system, especially lead and nitrogen compounds, needs to be further explored.
Abstract (croatian)
Cilj je ovoga rada inventarizacija životnoga ciklusa podzemne eksploatacije boksita iz malih grupiranih ležišta koja su karakteristična za boksite dinaridskoga tipa, u planinama oko Jajca, grada u Bosni i Hercegovini, u razdoblju od 2010. do 2020. godine. Model životnoga ciklusa izveden je za metodu eksploatacije podetažnim zarušavanjem i dobivanja rude bušenjem i miniranjem. Temelji se na podatcima internih poslovnih izvješća tvrtke te projektne dokumentacije. Istraživanje je obuhvatilo četiri rudnika smještena na tri eksploatacijska polja zatečena u različitim fazama života rudnika, različitim razinama tektonskih poremećaja i različitim vrstama energije za mehanizaciju: dizel, električna energija, komprimirani zrak. Glavni su rezultati ovoga istraživanja inventar podzemne eksploatacije boksita izrađen na temelju dugoročnih podataka, životni ciklus jednoga ležišta boksita te faktori emisija od miniranja. Podzemna eksploatacija u ovome slučaju pokazala se energetski intenzivna: potrebno je u prosjeku od 52 do 92 MJ / t (nasuprot 37 MJ / t kod površinske eksploatacije boksita u Italiji). Istodobno, podzemna eksploatacija boksita uzrokuje samo 5,6 – 6,4 % transformacije prirodnoga zemljišta koje je iznad rudnika i ležišta. Izbor mehanizacije i energije može izravno utjecati na energetski intenzitet. To može utjecati na kvalitetu radne atmosfere, kao i na potencijalne utjecaje u podzemlju. Trenutačni se rad oslanja na električnu energiju kao glavni izvor energije za strojeve, što je povoljno za radnu atmosferu na lokalnoj razini iako se energetska učinkovitost smanjuje upotrebom komprimiranoga zraka kao mehaničke energije. Na državnoj razini utjecaji ovise o mješavini energije koja je još uvijek prilično ovisna o fosilnim gorivima. Inženjerska procjena emisija od miniranja upućuje na to da detonatori i amonij-nitratni eksploziv mogu postati važan izvor utjecaja na okoliš. Rudarska industrija imala bi znatne koristi od čišće energije u proizvodnji električne energije. Treba dalje istražiti put zračne emisije kroz podzemni sustav, posebno olova i dušikovih spojeva.
Keywords (english)
Keywords (croatian)
Languageenglish
Publication typeScientific paper - Preliminary note / Short communication
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titleRudarsko-geološko-naftni zbornik
Numberingvol. 36, no. 3, pp. 59-76
e-ISSN1849-0409
DOIhttps://doi.org/10.17794/rgn.2021.3.5
URN:NBNurn:nbn:hr:169:887795
Publication2021
Document URLhttps://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=377436&lang=en
Type of resourceText
Access conditionsOpen access
Terms of useLicence Attribution 4.0 International (CC BY 4.0) icon
Created on2021-09-13 10:23:03