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The effect of the content of unburned carbon in bottom ash on its applicability for road construction

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Authors
Trifunović, Prvoslav D.
Marinković, Slobodanka R.
Tokalić, Rade D.
Matijašević, Srđan
Article (Published version)
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Abstract
The content of unburned carbon is an important characteristic of bottom ash which could make it unsuitable for incorporation as aggregate for road construction. In this work, the effect of the content of unburned carbon in the bottom ash from the Serbian power plant "Nicola Tesla" on its applicability for road construction was examined. Four samples with different contents of unburned carbon, i.e., raw bottom ash, two size fractions obtained from it (2-5 and LT 2 mm) and bottom ash treated by the "float-sink" method, were investigated. When these materials were used as a component in the mixture: fly ash-Portland cement-bottom ash-water for road construction, it was found that only mixtures containing bottom ash with a lower carbon content (size fraction LT 2 mm and treated) were employable. The content of unburned carbon in the mentioned materials was determined by simultaneous DTA/TGA. This method was also used to investigate the composition of the hardened mixtures.
Keywords:
Unburned carbon / Thermogravimetric analysis / Road construction / Recycling of bottom ash / Differential thermal analysis
Source:
Thermochimica Acta, 2010, 498, 1-2, 1-6
Publisher:
  • Elsevier, Amsterdam

DOI: 10.1016/j.tca.2009.10.022

ISSN: 0040-6031

WoS: 000274948900001

Scopus: 2-s2.0-72249096253
[ Google Scholar ]
20
9
URI
https://ritnms.itnms.ac.rs/handle/123456789/181
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za tehnologiju nuklearnih i drugih mineralnih sirovina
TY  - JOUR
AU  - Trifunović, Prvoslav D.
AU  - Marinković, Slobodanka R.
AU  - Tokalić, Rade D.
AU  - Matijašević, Srđan
PY  - 2010
UR  - https://ritnms.itnms.ac.rs/handle/123456789/181
AB  - The content of unburned carbon is an important characteristic of bottom ash which could make it unsuitable for incorporation as aggregate for road construction. In this work, the effect of the content of unburned carbon in the bottom ash from the Serbian power plant "Nicola Tesla" on its applicability for road construction was examined. Four samples with different contents of unburned carbon, i.e., raw bottom ash, two size fractions obtained from it (2-5 and  LT 2 mm) and bottom ash treated by the "float-sink" method, were investigated. When these materials were used as a component in the mixture: fly ash-Portland cement-bottom ash-water for road construction, it was found that only mixtures containing bottom ash with a lower carbon content (size fraction  LT 2 mm and treated) were employable. The content of unburned carbon in the mentioned materials was determined by simultaneous DTA/TGA. This method was also used to investigate the composition of the hardened mixtures.
PB  - Elsevier, Amsterdam
T2  - Thermochimica Acta
T1  - The effect of the content of unburned carbon in bottom ash on its applicability for road construction
EP  - 6
IS  - 1-2
SP  - 1
VL  - 498
DO  - 10.1016/j.tca.2009.10.022
UR  - conv_578
ER  - 
@article{
author = "Trifunović, Prvoslav D. and Marinković, Slobodanka R. and Tokalić, Rade D. and Matijašević, Srđan",
year = "2010",
abstract = "The content of unburned carbon is an important characteristic of bottom ash which could make it unsuitable for incorporation as aggregate for road construction. In this work, the effect of the content of unburned carbon in the bottom ash from the Serbian power plant "Nicola Tesla" on its applicability for road construction was examined. Four samples with different contents of unburned carbon, i.e., raw bottom ash, two size fractions obtained from it (2-5 and  LT 2 mm) and bottom ash treated by the "float-sink" method, were investigated. When these materials were used as a component in the mixture: fly ash-Portland cement-bottom ash-water for road construction, it was found that only mixtures containing bottom ash with a lower carbon content (size fraction  LT 2 mm and treated) were employable. The content of unburned carbon in the mentioned materials was determined by simultaneous DTA/TGA. This method was also used to investigate the composition of the hardened mixtures.",
publisher = "Elsevier, Amsterdam",
journal = "Thermochimica Acta",
title = "The effect of the content of unburned carbon in bottom ash on its applicability for road construction",
pages = "6-1",
number = "1-2",
volume = "498",
doi = "10.1016/j.tca.2009.10.022",
url = "conv_578"
}
Trifunović, P. D., Marinković, S. R., Tokalić, R. D.,& Matijašević, S.. (2010). The effect of the content of unburned carbon in bottom ash on its applicability for road construction. in Thermochimica Acta
Elsevier, Amsterdam., 498(1-2), 1-6.
https://doi.org/10.1016/j.tca.2009.10.022
conv_578
Trifunović PD, Marinković SR, Tokalić RD, Matijašević S. The effect of the content of unburned carbon in bottom ash on its applicability for road construction. in Thermochimica Acta. 2010;498(1-2):1-6.
doi:10.1016/j.tca.2009.10.022
conv_578 .
Trifunović, Prvoslav D., Marinković, Slobodanka R., Tokalić, Rade D., Matijašević, Srđan, "The effect of the content of unburned carbon in bottom ash on its applicability for road construction" in Thermochimica Acta, 498, no. 1-2 (2010):1-6,
https://doi.org/10.1016/j.tca.2009.10.022 .,
conv_578 .

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