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 1000ºC and 1200ºC 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 ana...lysis 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 / construction composites / SEM / DTA / XRD / thermal behavior / density
Source:
Science of Sintering, 2017, 49, 1, 23-37
Publisher:
International Institute for the Science of Sintering
TY - JOUR
AU - Terzić, Anja
AU - Đorđević, Nataša
AU - Mitrić, Miodrag
AU - Marković, Smilja
AU - Đorđević, Katarina
AU - Pavlović, Vladimir B.
PY - 2017
UR - http://dais.sanu.ac.rs/123456789/2393
UR - http://grafar.grf.bg.ac.rs/handle/123456789/1710
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 1000ºC and 1200ºC 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 - International Institute for the Science of Sintering
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 Đorđević, Nataša and Mitrić, Miodrag and Marković, Smilja and Đorđević, Katarina and Pavlović, Vladimir B.",
year = "2017",
url = "http://dais.sanu.ac.rs/123456789/2393, http://grafar.grf.bg.ac.rs/handle/123456789/1710",
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 1000ºC and 1200ºC 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 = "International Institute for the Science of Sintering",
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., Đorđević, N., Mitrić, M., Marković, S., Đorđević, K.,& Pavlović, V. B. (2017). Sintering of fly ash based composites with zeolite and bentonite addition for application in construction materials.
Science of Sintering
International Institute for the Science of Sintering., 49(1), 23-37.
https://doi.org/10.2298/SOS1701023T
Terzić A, Đorđević N, Mitrić M, Marković S, Đorđević K, Pavlović VB. Sintering of fly ash based composites with zeolite and bentonite addition for application in construction materials. Science of Sintering. 2017;49(1):23-37
Terzić Anja, Đorđević Nataša, Mitrić Miodrag, Marković Smilja, Đorđević Katarina, Pavlović Vladimir B., "Sintering of fly ash based composites with zeolite and bentonite addition for application in construction materials" Science of Sintering, 49, no. 1 (2017):23-37,
https://doi.org/10.2298/SOS1701023T .
