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Geopolymerization of low-grade bauxite
dc.creator | Nikolić, Irena | |
dc.creator | Janković-Častvan, Ivona | |
dc.creator | Krivokapić, Jasmina | |
dc.creator | Đurović, Dijana | |
dc.creator | Radmilović, Vuk | |
dc.creator | Radmilović, Velimir R. | |
dc.date.accessioned | 2021-03-10T12:18:28Z | |
dc.date.available | 2021-03-10T12:18:28Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 1580-2949 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2570 | |
dc.description.abstract | In terms of quality, bauxite ore can be classified as high- or low-grade ore. High-grade bauxite ores are used for alumina extraction using the Bayer process, while low-grade bauxite ores have a limited application. In this paper we investigate the possibility of evaluating low-grade bauxite ores with the geopolymerization process. The influence of the synthesis parameters, i.e., alkali and silicate dosages and alkali cations (Na+ and K+) on the compressive strength of bauxite-based geopolymers is evaluated. The results show that an increase in the alkali dosage has a beneficial effect on the strength of bauxite-based geopolymers, while the strengthening of geopolymers by increasing the silicate dosage is limited by the viscosity of the geopolymer paste. Moreover, Na-geopolymers reach higher values of the compressive strength than K-geopolymers. | en |
dc.publisher | Institute of Metals and Technology | |
dc.relation | Ministry of Science of Montenegro [01-460] | |
dc.relation | U.S. Department of EnergyUnited States Department of Energy (DOE) [DE-AC02-05CH11231] | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172054/RS// | |
dc.rights | openAccess | |
dc.source | Materiali in Tehnologije | |
dc.subject | geopolymerization | en |
dc.subject | low-grade bauxite | en |
dc.subject | alkali-cation geopolymerization degree | en |
dc.subject | compressive strength | en |
dc.title | Geopolymerization of low-grade bauxite | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 44 | |
dc.citation.issue | 1 | |
dc.citation.other | 48(1): 39-44 | |
dc.citation.rank | M23 | |
dc.citation.spage | 39 | |
dc.citation.volume | 48 | |
dc.identifier.fulltext | http://TechnoRep.tmf.bg.ac.rs/bitstream/id/754/2567.pdf | |
dc.identifier.pmid | ||
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_technorep_2570 | |
dc.identifier.scopus | 2-s2.0-84894308962 | |
dc.identifier.wos | 000331494300007 | |
dc.type.version | publishedVersion |