Ιδρυματικό Αποθετήριο
Πολυτεχνείο Κρήτης
Πολυτεχνείο Κρήτης
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| URI | http://purl.tuc.gr/dl/dias/89C97F81-2B02-40E3-B9EB-FA9A3676536F | - |
| Αναγνωριστικό | http://pubs.acs.org/doi/abs/10.1021/ef0100193?journalCode=enfuem | - |
| Αναγνωριστικό | https://doi.org/10.1021/ef0100193 | - |
| Γλώσσα | en | - |
| Μέγεθος | 5 pages | en |
| Τίτλος | Ash quality of a beneficiated lignite from Ptolemais basin, Northern Greece | en |
| Δημιουργός | Vamvouka Despoina | en |
| Δημιουργός | Βαμβουκα Δεσποινα | el |
| Δημιουργός | Mistakidou, Aekaterini P | en |
| Δημιουργός | Drakonaki S. | en |
| Δημιουργός | Foscolos, A. E | en |
| Δημιουργός | Kavouridis, Constantinos B | en |
| Εκδότης | American Chemical Society | en |
| Περίληψη | A density separation method was used to reduce ash components, which form fireside deposits during coal combustion, as well as trace elements, in a Greek lignite. Standard techniques were applied to predict the slagging and fouling propensity of clean coal and to determine the trace elements concentration in this. Deposition tendencies were estimated through the use of empirical indices for lignitic type ashes. Significant reductions in ash content (up to 60%) were achieved by dense liquid separation of the lignite. Coal cleaning diminished the slagging and fouling potential of the feed, reflecting some alterations in the chemistry and mineralogy of the ash-forming components. The ash of beneficiated materials was richer in the basic oxides, while poorer in quartz. Also, the ash fusion temperatures (initial deformation and hemispherical) were significantly increased, though the contents of quartz and anhydrite remained high. Most trace elements were found to be associated with the mineral phase. Removal efficiency was low by the density separation method, but the environmental impact of these elements is anticipated to be negligible. | en |
| Τύπος | Peer-Reviewed Journal Publication | en |
| Τύπος | Δημοσίευση σε Περιοδικό με Κριτές | el |
| Άδεια Χρήσης | http://creativecommons.org/licenses/by/4.0/ | en |
| Ημερομηνία | 2015-10-26 | - |
| Ημερομηνία Δημοσίευσης | 2001 | - |
| Θεματική Κατηγορία | Ash | en |
| Θεματική Κατηγορία | Lignite | en |
| Βιβλιογραφική Αναφορά | D. Vamvuka, E. Mistakidou, S. Drakonaki, A. Foscolos and K. Kavouridis, "Ash quality of a beneficiated lignite from Ptolemais basin, Northern Greece", Energ. Fuels, vol. 15, no. 5, pp. 1181-1185, 2001. doi:10.1021/ef0100193 | en |
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