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Sintering of Fly Ash Based Composites with Zeolite and Bentonite Addition for Application in Construction Materials

Thumbnail
2017
4332.pdf (1.173Mb)
Authors
Terzić, Anja
Djordjević, Nataša
Mitrić, Miodrag
Marković, Smilja
Djordjević, Katarina
Pavlović, Vladimir
Article (Published version)
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Abstract
Due to pozzolanic characteristics, fly ash is commonly used as a cement replacement in construction composites. Addition of natural clays with sorption ability (i.e. zeolite and bentonite) in to the fly ash based construction materials is of both scientific and industrial interest. Namely, due to the application of sorptive clay minerals, it is possible to immobilize toxic heavy metals from the composite structure. The thermal compatibility of fly ash and zeolite, as well as fly ash and bentonite, within the composite was observed during sintering procedure. The starting components were used in 1: 1 ratio and they were applied without additional mechanical treatment. The used compaction pressure for the tablets was 2 t.cm(-2). The sintering process was conducted at 1000 degrees C and 1200 degrees C for two hours in the air atmosphere. The mineralogical phase composition of the non-treated and sintered samples was analyzed using X-ray diffraction method. Scanning electron microscopy was... applied in the analysis of the microstructure of starting and sintered samples. The thermal behavior was observed via DTA method. The influence of temperature on the properties of fly ash-zeolite and fly ash-bentonite composites was investigated.

Keywords:
Sintering / Thermal behavior / Density / DTA / XRD / SEM / Construction composite
Source:
Science of Sintering, 2017, 49, 1, 23-37
Publisher:
  • Međunarodni Institut za nauku o sinterovanju, Beograd
Funding / projects:
  • Development and application of multifunctional materials using domestic raw materials in upgraded processing lines (RS-45008)
  • Directed synthesis, structure and properties of multifunctional materials (RS-172057)

DOI: 10.2298/SOS1701023T

ISSN: 0350-820X

WoS: 000399406900003

Scopus: 2-s2.0-85017149867
[ Google Scholar ]
13
12
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/4335
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet
TY  - JOUR
AU  - Terzić, Anja
AU  - Djordjević, Nataša
AU  - Mitrić, Miodrag
AU  - Marković, Smilja
AU  - Djordjević, Katarina
AU  - Pavlović, Vladimir
PY  - 2017
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4335
AB  - Due to pozzolanic characteristics, fly ash is commonly used as a cement replacement in construction composites. Addition of natural clays with sorption ability (i.e. zeolite and bentonite) in to the fly ash based construction materials is of both scientific and industrial interest. Namely, due to the application of sorptive clay minerals, it is possible to immobilize toxic heavy metals from the composite structure. The thermal compatibility of fly ash and zeolite, as well as fly ash and bentonite, within the composite was observed during sintering procedure. The starting components were used in 1: 1 ratio and they were applied without additional mechanical treatment. The used compaction pressure for the tablets was 2 t.cm(-2). The sintering process was conducted at 1000 degrees C and 1200 degrees C for two hours in the air atmosphere. The mineralogical phase composition of the non-treated and sintered samples was analyzed using X-ray diffraction method. Scanning electron microscopy was applied in the analysis of the microstructure of starting and sintered samples. The thermal behavior was observed via DTA method. The influence of temperature on the properties of fly ash-zeolite and fly ash-bentonite composites was investigated.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Sintering of Fly Ash Based Composites with Zeolite and Bentonite Addition for Application in Construction Materials
EP  - 37
IS  - 1
SP  - 23
VL  - 49
DO  - 10.2298/SOS1701023T
ER  - 
@article{
author = "Terzić, Anja and Djordjević, Nataša and Mitrić, Miodrag and Marković, Smilja and Djordjević, Katarina and Pavlović, Vladimir",
year = "2017",
abstract = "Due to pozzolanic characteristics, fly ash is commonly used as a cement replacement in construction composites. Addition of natural clays with sorption ability (i.e. zeolite and bentonite) in to the fly ash based construction materials is of both scientific and industrial interest. Namely, due to the application of sorptive clay minerals, it is possible to immobilize toxic heavy metals from the composite structure. The thermal compatibility of fly ash and zeolite, as well as fly ash and bentonite, within the composite was observed during sintering procedure. The starting components were used in 1: 1 ratio and they were applied without additional mechanical treatment. The used compaction pressure for the tablets was 2 t.cm(-2). The sintering process was conducted at 1000 degrees C and 1200 degrees C for two hours in the air atmosphere. The mineralogical phase composition of the non-treated and sintered samples was analyzed using X-ray diffraction method. Scanning electron microscopy was applied in the analysis of the microstructure of starting and sintered samples. The thermal behavior was observed via DTA method. The influence of temperature on the properties of fly ash-zeolite and fly ash-bentonite composites was investigated.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Sintering of Fly Ash Based Composites with Zeolite and Bentonite Addition for Application in Construction Materials",
pages = "37-23",
number = "1",
volume = "49",
doi = "10.2298/SOS1701023T"
}
Terzić, A., Djordjević, N., Mitrić, M., Marković, S., Djordjević, K.,& Pavlović, V.. (2017). Sintering of Fly Ash Based Composites with Zeolite and Bentonite Addition for Application in Construction Materials. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 49(1), 23-37.
https://doi.org/10.2298/SOS1701023T
Terzić A, Djordjević N, Mitrić M, Marković S, Djordjević K, Pavlović V. Sintering of Fly Ash Based Composites with Zeolite and Bentonite Addition for Application in Construction Materials. in Science of Sintering. 2017;49(1):23-37.
doi:10.2298/SOS1701023T .
Terzić, Anja, Djordjević, Nataša, Mitrić, Miodrag, Marković, Smilja, Djordjević, Katarina, Pavlović, Vladimir, "Sintering of Fly Ash Based Composites with Zeolite and Bentonite Addition for Application in Construction Materials" in Science of Sintering, 49, no. 1 (2017):23-37,
https://doi.org/10.2298/SOS1701023T . .

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