Fluid Bed Drying as Upgrading Technology for Feasible Treatment of Kolubara Lignite
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An overview of the current status of low-rank coal upgrading technologies is presented in the paper, particularly with respect to drying and dewatering procedures. In order to calculate the significant parameters of the moisture removal process, a model of convective coal drying in a fluid bed, based on the two-phase (bubbling) fluidization model proposed by Kunii and Levenspiel, is developed and presented. Product-specific data (intraparticle mass transfer, gas-solid moisture equilibrium) related to the particular coal variety addressed here (Kolubara lignite) are obtained through preliminary investigations. Effective thermal conductivity of the packed bed as defined by Zehner/Bauer/Schlunder is used to define heat transfer mechanisms occurring in the suspension phase of the fluid bed. A completely new set of experimental data obtained has been successfully used to validate the model additionally.
Ključne reči:
low-rank coal / moisture removal / drying coefficient / fluid bedIzvor:
Thermal Science, 2016, 20, S167-S181Finansiranje / projekti:
- Poboljšanje kvaliteta i tehnologije sagorevanja domaćih lignita u cilju povećanja energetske efikasnosti i smanjenja emisije štetnih materija iz termoelektrana JP Elektroprivreda Srbije (RS-MESTD-Technological Development (TD or TR)-33050)
- Smanjenje aerozagađenja iz termoelektrana u JP Elektroprivreda Srbije (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-42010)
DOI: 10.2298/TSCI150725172E
ISSN: 0354-9836; 2334-7163
WoS: 000378584200016
Scopus: 2-s2.0-85082370747
Kolekcije
Institucija/grupa
VinčaTY - JOUR AU - Erić, Milić D. AU - Stakić, Milan B. AU - Banjac, Miloš J. PY - 2016 UR - https://vinar.vin.bg.ac.rs/handle/123456789/1142 AB - An overview of the current status of low-rank coal upgrading technologies is presented in the paper, particularly with respect to drying and dewatering procedures. In order to calculate the significant parameters of the moisture removal process, a model of convective coal drying in a fluid bed, based on the two-phase (bubbling) fluidization model proposed by Kunii and Levenspiel, is developed and presented. Product-specific data (intraparticle mass transfer, gas-solid moisture equilibrium) related to the particular coal variety addressed here (Kolubara lignite) are obtained through preliminary investigations. Effective thermal conductivity of the packed bed as defined by Zehner/Bauer/Schlunder is used to define heat transfer mechanisms occurring in the suspension phase of the fluid bed. A completely new set of experimental data obtained has been successfully used to validate the model additionally. T2 - Thermal Science T1 - Fluid Bed Drying as Upgrading Technology for Feasible Treatment of Kolubara Lignite VL - 20 SP - S167 EP - S181 DO - 10.2298/TSCI150725172E ER -
@article{ author = "Erić, Milić D. and Stakić, Milan B. and Banjac, Miloš J.", year = "2016", abstract = "An overview of the current status of low-rank coal upgrading technologies is presented in the paper, particularly with respect to drying and dewatering procedures. In order to calculate the significant parameters of the moisture removal process, a model of convective coal drying in a fluid bed, based on the two-phase (bubbling) fluidization model proposed by Kunii and Levenspiel, is developed and presented. Product-specific data (intraparticle mass transfer, gas-solid moisture equilibrium) related to the particular coal variety addressed here (Kolubara lignite) are obtained through preliminary investigations. Effective thermal conductivity of the packed bed as defined by Zehner/Bauer/Schlunder is used to define heat transfer mechanisms occurring in the suspension phase of the fluid bed. A completely new set of experimental data obtained has been successfully used to validate the model additionally.", journal = "Thermal Science", title = "Fluid Bed Drying as Upgrading Technology for Feasible Treatment of Kolubara Lignite", volume = "20", pages = "S167-S181", doi = "10.2298/TSCI150725172E" }
Erić, M. D., Stakić, M. B.,& Banjac, M. J.. (2016). Fluid Bed Drying as Upgrading Technology for Feasible Treatment of Kolubara Lignite. in Thermal Science, 20, S167-S181. https://doi.org/10.2298/TSCI150725172E
Erić MD, Stakić MB, Banjac MJ. Fluid Bed Drying as Upgrading Technology for Feasible Treatment of Kolubara Lignite. in Thermal Science. 2016;20:S167-S181. doi:10.2298/TSCI150725172E .
Erić, Milić D., Stakić, Milan B., Banjac, Miloš J., "Fluid Bed Drying as Upgrading Technology for Feasible Treatment of Kolubara Lignite" in Thermal Science, 20 (2016):S167-S181, https://doi.org/10.2298/TSCI150725172E . .