Savić, Aleksandar

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orcid::0000-0002-1777-6775
  • Savić, Aleksandar (6)

Author's Bibliography

Morphology investigation of sulfur-polymer composite

Vlahović, Milica; Fah Tee, Kong; Savić, Aleksandar; Đorđević, Nataša; Mihajlović, Slavica; Volkov Husović, Tatjana; Vušović, Nenad

(Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS), 2023)

TY  - CONF
AU  - Vlahović, Milica
AU  - Fah Tee, Kong
AU  - Savić, Aleksandar
AU  - Đorđević, Nataša
AU  - Mihajlović, Slavica
AU  - Volkov Husović, Tatjana
AU  - Vušović, Nenad
PY  - 2023
UR  - https://ritnms.itnms.ac.rs/handle/123456789/1179
AB  - This research evaluates the effects of the acid environment on sulfur-polymer composite. For this purpose, a morphology investigation consisting of mathematical morphology analysis and SEM analysis was performed. Based on the obtained results, insignificant changes in the pore system of sulfur-polymer composite in terms of deterioration, pore distribution, and homogeneity were observed. Namely, no signs of severe damage were detected at the surface and inside the samples. With increasing the acid exposure time, the material exhibited further changes in the direction of homogenization and drowning of the aggregate in the sulfur binder compared with the starting structure. These facts indicate that sulfur-polymer composite can be effectively used as a construction material in an acid environment.
PB  - Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS)
PB  - Belgrade : Society for Renewable Electrical Power Sources
C3  - 11th International Conference on Renewable Electrical Power Sources (ICREPS 2023
T1  - Morphology investigation of sulfur-polymer composite
EP  - 519
SP  - 513
ER  - 
@conference{
author = "Vlahović, Milica and Fah Tee, Kong and Savić, Aleksandar and Đorđević, Nataša and Mihajlović, Slavica and Volkov Husović, Tatjana and Vušović, Nenad",
year = "2023",
abstract = "This research evaluates the effects of the acid environment on sulfur-polymer composite. For this purpose, a morphology investigation consisting of mathematical morphology analysis and SEM analysis was performed. Based on the obtained results, insignificant changes in the pore system of sulfur-polymer composite in terms of deterioration, pore distribution, and homogeneity were observed. Namely, no signs of severe damage were detected at the surface and inside the samples. With increasing the acid exposure time, the material exhibited further changes in the direction of homogenization and drowning of the aggregate in the sulfur binder compared with the starting structure. These facts indicate that sulfur-polymer composite can be effectively used as a construction material in an acid environment.",
publisher = "Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS), Belgrade : Society for Renewable Electrical Power Sources",
journal = "11th International Conference on Renewable Electrical Power Sources (ICREPS 2023",
title = "Morphology investigation of sulfur-polymer composite",
pages = "519-513"
}
Vlahović, M., Fah Tee, K., Savić, A., Đorđević, N., Mihajlović, S., Volkov Husović, T.,& Vušović, N.. (2023). Morphology investigation of sulfur-polymer composite. in 11th International Conference on Renewable Electrical Power Sources (ICREPS 2023
Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS)., 513-519.
Vlahović M, Fah Tee K, Savić A, Đorđević N, Mihajlović S, Volkov Husović T, Vušović N. Morphology investigation of sulfur-polymer composite. in 11th International Conference on Renewable Electrical Power Sources (ICREPS 2023. 2023;:513-519..
Vlahović, Milica, Fah Tee, Kong, Savić, Aleksandar, Đorđević, Nataša, Mihajlović, Slavica, Volkov Husović, Tatjana, Vušović, Nenad, "Morphology investigation of sulfur-polymer composite" in 11th International Conference on Renewable Electrical Power Sources (ICREPS 2023 (2023):513-519.

Copper removal by pelletized fly ash

Milićević, Sonja; Martinović, Sanja; Vlahović, Milica; Jovanović, Vladimir; Šešlija, Sanja; Savić, Aleksandar; Kragović, Milan

(Belgrade : University of Belgrade, Faculty of Mining and Geology, 2021)

TY  - CONF
AU  - Milićević, Sonja
AU  - Martinović, Sanja
AU  - Vlahović, Milica
AU  - Jovanović, Vladimir
AU  - Šešlija, Sanja
AU  - Savić, Aleksandar
AU  - Kragović, Milan
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/1086
AB  - The increasing levels of industrial wastewater that are released to the environment present a serious
threat to human health, living resources, and ecological systems. Fly ash was tested for removal of Cu2+ from
contaminated water in in a micronized and pelletized form. Experiments were performed for wide range of initial
concentration of Cu 25-600 mg dm-3. Pellets fraction size was 2.0-3.5 mm, while the content of cement, as a binder
was 10%. Under applied experimental conditions pellets manifested exceptional adsorption capacity (25.64 mg/g)
that was three times higher compared to the micronized fly ash (8.85 mg/g).
PB  - Belgrade : University of Belgrade, Faculty of Mining and Geology
C3  - 8th International Conference MINING AND ENVIRONMENTAL PROTECTION
T1  - Copper removal by pelletized fly ash
EP  - 42
SP  - 39
ER  - 
@conference{
author = "Milićević, Sonja and Martinović, Sanja and Vlahović, Milica and Jovanović, Vladimir and Šešlija, Sanja and Savić, Aleksandar and Kragović, Milan",
year = "2021",
abstract = "The increasing levels of industrial wastewater that are released to the environment present a serious
threat to human health, living resources, and ecological systems. Fly ash was tested for removal of Cu2+ from
contaminated water in in a micronized and pelletized form. Experiments were performed for wide range of initial
concentration of Cu 25-600 mg dm-3. Pellets fraction size was 2.0-3.5 mm, while the content of cement, as a binder
was 10%. Under applied experimental conditions pellets manifested exceptional adsorption capacity (25.64 mg/g)
that was three times higher compared to the micronized fly ash (8.85 mg/g).",
publisher = "Belgrade : University of Belgrade, Faculty of Mining and Geology",
journal = "8th International Conference MINING AND ENVIRONMENTAL PROTECTION",
title = "Copper removal by pelletized fly ash",
pages = "42-39"
}
Milićević, S., Martinović, S., Vlahović, M., Jovanović, V., Šešlija, S., Savić, A.,& Kragović, M.. (2021). Copper removal by pelletized fly ash. in 8th International Conference MINING AND ENVIRONMENTAL PROTECTION
Belgrade : University of Belgrade, Faculty of Mining and Geology., 39-42.
Milićević S, Martinović S, Vlahović M, Jovanović V, Šešlija S, Savić A, Kragović M. Copper removal by pelletized fly ash. in 8th International Conference MINING AND ENVIRONMENTAL PROTECTION. 2021;:39-42..
Milićević, Sonja, Martinović, Sanja, Vlahović, Milica, Jovanović, Vladimir, Šešlija, Sanja, Savić, Aleksandar, Kragović, Milan, "Copper removal by pelletized fly ash" in 8th International Conference MINING AND ENVIRONMENTAL PROTECTION (2021):39-42.

Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na paletama letećeg pepela u ekološki prihvatljiv građevinski materijal

Martinović, Sanja; Vlahović, Milica; Volkov Husović, Tatjana; Savić, Aleksandar; Milićević, Sonja; Jovanović, Vladimir; Đorđević, Nataša

(Beograd : Univerzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju, 2021)

TY  - PAT
AU  - Martinović, Sanja
AU  - Vlahović, Milica
AU  - Volkov Husović, Tatjana
AU  - Savić, Aleksandar
AU  - Milićević, Sonja
AU  - Jovanović, Vladimir
AU  - Đorđević, Nataša
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/1089
AB  - Postupak implementacije apsorbovanih teških metala, posebno bakra, iz kiselih rudničkih voda procesom stabilizacije/solidifikacije u ekološki prihvatljiv i primenjiv građevinski materijal bezbedan za životnu sredinu, dobija se tako što se u jednom reakcionom sudu zagreva 33 mass % elementarnog sumpora koji je nus-proizvod procesa rafinerije nafte i modifikovanog sumpora diciklopentadienom, na temperaturu od 132°-141 ºC (tako da je njihov maseni odnos 98,2% sumpora i 1,8% modifikovanog sumpora). U drugom reakcionom sudu u količini od 56 mass % zagreva agregat na temperaturu do 160 ºC, a njemu se dodaje 5 mass % letećeg pepela iz termoelektrane kao filera. Ovoj smesi se dodaje 6 mass % peleta letećeg pepela na kojima je izvršena apsorpcija teških metala, posebno bakra iz rudničkih voda, tako što se sve komponente homogenizuju tokom 2 do 5 minuta, a dobijena smesa izliva u kalupe prethodno zagrejane na 120 ºC i vibrira 10 sekundi. Površina ovako dobijene sumpor-polimerne betonske mešavine se  izravna i ostavi da očvrsne u kalupu na sobnoj temperaturi, a dobijeni sumpor-polimerni beton očvrsne u vremenskom intervalu od 15 minuta do nekoliko časova u zavisnosti od veličine i oblika uzorka. Nakon 3 časa očvršćavanja uzorci se izvade iz kalupa i neguju na sobnoj temperaturi od 20 ºC tokom 24 časa, pri čemu oblik kalupa zavisi od potreba potrošača. Ovim postupkom i upotrebom otpadnog materijala iz rudničkih voda, letećeg pepela i elementarnog sumpora se ne stvaraju deponije otpadnog materijala već se korisno i ekološki prihvatljivo koristi kao građevinski materijal.
PB  - Beograd : Univerzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju
T2  - Zavod za intelektualnu svojinu
T1  - Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na paletama letećeg pepela u ekološki prihvatljiv građevinski materijal
ER  - 
@misc{
author = "Martinović, Sanja and Vlahović, Milica and Volkov Husović, Tatjana and Savić, Aleksandar and Milićević, Sonja and Jovanović, Vladimir and Đorđević, Nataša",
year = "2021",
abstract = "Postupak implementacije apsorbovanih teških metala, posebno bakra, iz kiselih rudničkih voda procesom stabilizacije/solidifikacije u ekološki prihvatljiv i primenjiv građevinski materijal bezbedan za životnu sredinu, dobija se tako što se u jednom reakcionom sudu zagreva 33 mass % elementarnog sumpora koji je nus-proizvod procesa rafinerije nafte i modifikovanog sumpora diciklopentadienom, na temperaturu od 132°-141 ºC (tako da je njihov maseni odnos 98,2% sumpora i 1,8% modifikovanog sumpora). U drugom reakcionom sudu u količini od 56 mass % zagreva agregat na temperaturu do 160 ºC, a njemu se dodaje 5 mass % letećeg pepela iz termoelektrane kao filera. Ovoj smesi se dodaje 6 mass % peleta letećeg pepela na kojima je izvršena apsorpcija teških metala, posebno bakra iz rudničkih voda, tako što se sve komponente homogenizuju tokom 2 do 5 minuta, a dobijena smesa izliva u kalupe prethodno zagrejane na 120 ºC i vibrira 10 sekundi. Površina ovako dobijene sumpor-polimerne betonske mešavine se  izravna i ostavi da očvrsne u kalupu na sobnoj temperaturi, a dobijeni sumpor-polimerni beton očvrsne u vremenskom intervalu od 15 minuta do nekoliko časova u zavisnosti od veličine i oblika uzorka. Nakon 3 časa očvršćavanja uzorci se izvade iz kalupa i neguju na sobnoj temperaturi od 20 ºC tokom 24 časa, pri čemu oblik kalupa zavisi od potreba potrošača. Ovim postupkom i upotrebom otpadnog materijala iz rudničkih voda, letećeg pepela i elementarnog sumpora se ne stvaraju deponije otpadnog materijala već se korisno i ekološki prihvatljivo koristi kao građevinski materijal.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju",
journal = "Zavod za intelektualnu svojinu",
title = "Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na paletama letećeg pepela u ekološki prihvatljiv građevinski materijal"
}
Martinović, S., Vlahović, M., Volkov Husović, T., Savić, A., Milićević, S., Jovanović, V.,& Đorđević, N.. (2021). Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na paletama letećeg pepela u ekološki prihvatljiv građevinski materijal. in Zavod za intelektualnu svojinu
Beograd : Univerzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju..
Martinović S, Vlahović M, Volkov Husović T, Savić A, Milićević S, Jovanović V, Đorđević N. Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na paletama letećeg pepela u ekološki prihvatljiv građevinski materijal. in Zavod za intelektualnu svojinu. 2021;..
Martinović, Sanja, Vlahović, Milica, Volkov Husović, Tatjana, Savić, Aleksandar, Milićević, Sonja, Jovanović, Vladimir, Đorđević, Nataša, "Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na paletama letećeg pepela u ekološki prihvatljiv građevinski materijal" in Zavod za intelektualnu svojinu (2021).

Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na peletama letećeg pepela u ekološki prihvatljiv građevinski materijal

Martinović, Sanja; Vlahović, Milica; Volkov Husović, Tatjana; Savić, Aleksandar; Milićević, Sonja; Jovanović, Vladimir; Đorđević, Nataša

(Beograd : Univerzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju, 2020)

TY  - PAT
AU  - Martinović, Sanja
AU  - Vlahović, Milica
AU  - Volkov Husović, Tatjana
AU  - Savić, Aleksandar
AU  - Milićević, Sonja
AU  - Jovanović, Vladimir
AU  - Đorđević, Nataša
PY  - 2020
UR  - https://ritnms.itnms.ac.rs/handle/123456789/1149
AB  - Stabilizacija teških metala, posebno bakra, iz kiselih otpadnih rudničkih voda izvodi se njihovom solidifikacijom u sumpor polimerni beton kao ekološki prihvatljiv građevinski materijal. Postupak se izvodi tako što se u reakcionom sudu agregat u količini od 56 mas. % zagreva na 160 °C. Zatim se dodaje 5 mas. % letećegpepela iz termoelektrane kao filera i 6 mas. % peleta letećeg pepela sa adsorbovanim teškim metalima iz rudničkih voda. Homogenizovanoj čvrstoj mešavini dodaje se 33 mas. % rastopa elementarnog i modifikovanog sumpora, tzv. sumpor modifikovanog veziva u masenom odnosu 98,2 % elementarnog sumpora i 1,8 % modifikovanog sumpora. Modifikovani sumpor dobijen je mešanjem elementarnog sumpora kao nus-proizvoda iz rafinacije nafte sa diciklopentadienom, na temperaturi od 132-141 °C. Nakon homogenizacije u trajanju od 2 do 5 minuta, dobijena mešavina izliva se u kalupe prethodno zagrejane na 120 °C i vibrira 10 sekundi. Površina ovako dobijene sumpor polimerne betonske mešavine se izravna i ostavi da očvrsne u kalupu na sobnoj temperaturi. Nakon 3 časa očvršćavanja uzorci se vade iz kalupa i neguju na sobnoj temperaturi tokom 24 časa. Dobijeni materijal je nakon ispitivanja pokazao zadovoljavajuće karakteristike potrebne za sve oblasti primene konvencionalnih betona. Ovim postupkom eliminisani su teški metali iz otpadnih rudničkih voda, korišćeni su industrijski nus-proizvodi (leteći pepeo i sumpor), čime su smanjene njihove deponije dok dobijeni materijal ne dovodi do sekundarnog zagađenja životne i stoga se smatra ekološki prihvatljivim.
PB  - Beograd : Univerzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju
T2  - Zavod za intelektualnu svojinu
T1  - Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na peletama letećeg pepela u ekološki prihvatljiv građevinski materijal
ER  - 
@misc{
author = "Martinović, Sanja and Vlahović, Milica and Volkov Husović, Tatjana and Savić, Aleksandar and Milićević, Sonja and Jovanović, Vladimir and Đorđević, Nataša",
year = "2020",
abstract = "Stabilizacija teških metala, posebno bakra, iz kiselih otpadnih rudničkih voda izvodi se njihovom solidifikacijom u sumpor polimerni beton kao ekološki prihvatljiv građevinski materijal. Postupak se izvodi tako što se u reakcionom sudu agregat u količini od 56 mas. % zagreva na 160 °C. Zatim se dodaje 5 mas. % letećegpepela iz termoelektrane kao filera i 6 mas. % peleta letećeg pepela sa adsorbovanim teškim metalima iz rudničkih voda. Homogenizovanoj čvrstoj mešavini dodaje se 33 mas. % rastopa elementarnog i modifikovanog sumpora, tzv. sumpor modifikovanog veziva u masenom odnosu 98,2 % elementarnog sumpora i 1,8 % modifikovanog sumpora. Modifikovani sumpor dobijen je mešanjem elementarnog sumpora kao nus-proizvoda iz rafinacije nafte sa diciklopentadienom, na temperaturi od 132-141 °C. Nakon homogenizacije u trajanju od 2 do 5 minuta, dobijena mešavina izliva se u kalupe prethodno zagrejane na 120 °C i vibrira 10 sekundi. Površina ovako dobijene sumpor polimerne betonske mešavine se izravna i ostavi da očvrsne u kalupu na sobnoj temperaturi. Nakon 3 časa očvršćavanja uzorci se vade iz kalupa i neguju na sobnoj temperaturi tokom 24 časa. Dobijeni materijal je nakon ispitivanja pokazao zadovoljavajuće karakteristike potrebne za sve oblasti primene konvencionalnih betona. Ovim postupkom eliminisani su teški metali iz otpadnih rudničkih voda, korišćeni su industrijski nus-proizvodi (leteći pepeo i sumpor), čime su smanjene njihove deponije dok dobijeni materijal ne dovodi do sekundarnog zagađenja životne i stoga se smatra ekološki prihvatljivim.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju",
journal = "Zavod za intelektualnu svojinu",
title = "Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na peletama letećeg pepela u ekološki prihvatljiv građevinski materijal"
}
Martinović, S., Vlahović, M., Volkov Husović, T., Savić, A., Milićević, S., Jovanović, V.,& Đorđević, N.. (2020). Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na peletama letećeg pepela u ekološki prihvatljiv građevinski materijal. in Zavod za intelektualnu svojinu
Beograd : Univerzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju..
Martinović S, Vlahović M, Volkov Husović T, Savić A, Milićević S, Jovanović V, Đorđević N. Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na peletama letećeg pepela u ekološki prihvatljiv građevinski materijal. in Zavod za intelektualnu svojinu. 2020;..
Martinović, Sanja, Vlahović, Milica, Volkov Husović, Tatjana, Savić, Aleksandar, Milićević, Sonja, Jovanović, Vladimir, Đorđević, Nataša, "Postupak solidifikacije i stabilizacije teških metala iz otpadnih rudničkih voda adsorbovanih na peletama letećeg pepela u ekološki prihvatljiv građevinski materijal" in Zavod za intelektualnu svojinu (2020).

Enhancing properties of concrete by addition of fly ash from a thermal power plant for application in geothermal systems

Vlahović, Milica; Savić, Aleksandar; Martinović, Sanja; Đorđević, Nataša; Stević, Zoran; Volkov Husović, Tatjana

(Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS) Society for Renewable Electrical Power Sources, 2020)

TY  - CONF
AU  - Vlahović, Milica
AU  - Savić, Aleksandar
AU  - Martinović, Sanja
AU  - Đorđević, Nataša
AU  - Stević, Zoran
AU  - Volkov Husović, Tatjana
PY  - 2020
UR  - https://ritnms.itnms.ac.rs/handle/123456789/813
AB  - Electric power in Serbia is predominantly provided by thermal power plants. All of eleven existing
thermal power plants in Serbia use coal, mainly lignite in the electricity production process
thus generating about 6 million tons of fly ash per year. The estimated amount of fly ash from thermal
power plants accumulated in Serbian landfills exceeds 200 million tons. On the other hand, during
the last decades, respecting the principles of ecologically sustainable development has been imposed
on industries, and one of them is the construction industry. Due to the presence of amorphous SiO2
and Al2O3, fly ash as pozzolanic material is convenient for the production of concrete and mortar.
Consequently, multiple positive effects can be expected by the proper consumption of fly ash- reducing
landfills and improving concrete properties. The idea of this study is to analyze the possibility of
recycling fly ash from a thermal power plant by replacing a part of common mineral filler- limestone
in the production of self-compacting concrete (SCC). Properties of conventional SCC with limestone
and compositions with different fly ash content were compared. Considering that requirements for SCC should be satisfied and all properties remain or enhance in the case of fly ash addition, this
study proved that all designed concretes can be used for structural applications.
AB  - Električnu energiju u Srbiji pretežno obezbeđuju termoelektrane. Svih jedanaest termoelektrana
u Srbiji koriste ugalj, uglavnom lignit u procesu proizvodnje električne energije, čime se
godišnje generiše oko 6 miliona tona letećeg pepela. Procenjena količina letećeg pepela iz termoelektrana
akumulirana na deponijama u Srbiji prelazi 200 miliona tona. S druge strane, poslednjih
decenija poštovanje principa ekološki održivog razvoja nametnuto je industrijama, a jedna od njih je
i građevinska. Zahvaljujući prisustvu amorfnog SiO2 i Al2O3, pepeo kao pucolanski materijal pogodan
je za proizvodnju betona i maltera. Zbog toga se pravilnom upotrebom letećeg pepela mogu
očekivati višestruki pozitivni efekti- smanjenje deponija i poboljšanje svojstava betona. Ideja ovog
istraživanja je analiziranje mogućnosti recikliranja letećeg pepela iz termoelektrane tako što će delimično
zameniti uobičajeni mineralni punioc- krečnjak u proizvodnji samozbijajućeg betona (SCC).
Upoređena su svojstva konvencionalnog SCC sa krečnjakom i kompozicija sa različitim sadržajem
pepela. S obzirom da je u slučaju dodatka letećeg pepela potrebno da budu zadovoljeni zahtevi za
SCC, kao i da svojstva betona ostanu ista ili poboljšana, ova studija je pokazala da se sve dizajnirane
smeše mogu koristiti za konstrukcijske primene.
PB  - Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS) Society for Renewable Electrical Power Sources
C3  - 8th International Conference on Renewable Electrical Power Sources
T1  - Enhancing properties of concrete by addition of fly ash from a thermal power plant for application in geothermal systems
EP  - 86
SP  - 77
ER  - 
@conference{
author = "Vlahović, Milica and Savić, Aleksandar and Martinović, Sanja and Đorđević, Nataša and Stević, Zoran and Volkov Husović, Tatjana",
year = "2020",
abstract = "Electric power in Serbia is predominantly provided by thermal power plants. All of eleven existing
thermal power plants in Serbia use coal, mainly lignite in the electricity production process
thus generating about 6 million tons of fly ash per year. The estimated amount of fly ash from thermal
power plants accumulated in Serbian landfills exceeds 200 million tons. On the other hand, during
the last decades, respecting the principles of ecologically sustainable development has been imposed
on industries, and one of them is the construction industry. Due to the presence of amorphous SiO2
and Al2O3, fly ash as pozzolanic material is convenient for the production of concrete and mortar.
Consequently, multiple positive effects can be expected by the proper consumption of fly ash- reducing
landfills and improving concrete properties. The idea of this study is to analyze the possibility of
recycling fly ash from a thermal power plant by replacing a part of common mineral filler- limestone
in the production of self-compacting concrete (SCC). Properties of conventional SCC with limestone
and compositions with different fly ash content were compared. Considering that requirements for SCC should be satisfied and all properties remain or enhance in the case of fly ash addition, this
study proved that all designed concretes can be used for structural applications., Električnu energiju u Srbiji pretežno obezbeđuju termoelektrane. Svih jedanaest termoelektrana
u Srbiji koriste ugalj, uglavnom lignit u procesu proizvodnje električne energije, čime se
godišnje generiše oko 6 miliona tona letećeg pepela. Procenjena količina letećeg pepela iz termoelektrana
akumulirana na deponijama u Srbiji prelazi 200 miliona tona. S druge strane, poslednjih
decenija poštovanje principa ekološki održivog razvoja nametnuto je industrijama, a jedna od njih je
i građevinska. Zahvaljujući prisustvu amorfnog SiO2 i Al2O3, pepeo kao pucolanski materijal pogodan
je za proizvodnju betona i maltera. Zbog toga se pravilnom upotrebom letećeg pepela mogu
očekivati višestruki pozitivni efekti- smanjenje deponija i poboljšanje svojstava betona. Ideja ovog
istraživanja je analiziranje mogućnosti recikliranja letećeg pepela iz termoelektrane tako što će delimično
zameniti uobičajeni mineralni punioc- krečnjak u proizvodnji samozbijajućeg betona (SCC).
Upoređena su svojstva konvencionalnog SCC sa krečnjakom i kompozicija sa različitim sadržajem
pepela. S obzirom da je u slučaju dodatka letećeg pepela potrebno da budu zadovoljeni zahtevi za
SCC, kao i da svojstva betona ostanu ista ili poboljšana, ova studija je pokazala da se sve dizajnirane
smeše mogu koristiti za konstrukcijske primene.",
publisher = "Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS) Society for Renewable Electrical Power Sources",
journal = "8th International Conference on Renewable Electrical Power Sources",
title = "Enhancing properties of concrete by addition of fly ash from a thermal power plant for application in geothermal systems",
pages = "86-77"
}
Vlahović, M., Savić, A., Martinović, S., Đorđević, N., Stević, Z.,& Volkov Husović, T.. (2020). Enhancing properties of concrete by addition of fly ash from a thermal power plant for application in geothermal systems. in 8th International Conference on Renewable Electrical Power Sources
Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS) Society for Renewable Electrical Power Sources., 77-86.
Vlahović M, Savić A, Martinović S, Đorđević N, Stević Z, Volkov Husović T. Enhancing properties of concrete by addition of fly ash from a thermal power plant for application in geothermal systems. in 8th International Conference on Renewable Electrical Power Sources. 2020;:77-86..
Vlahović, Milica, Savić, Aleksandar, Martinović, Sanja, Đorđević, Nataša, Stević, Zoran, Volkov Husović, Tatjana, "Enhancing properties of concrete by addition of fly ash from a thermal power plant for application in geothermal systems" in 8th International Conference on Renewable Electrical Power Sources (2020):77-86.

Valorization of Fly Ash from a Thermal Power Plant for Producing High-Performance Self-Compacting Concrete

Savić, Aleksandar; Vlahović, Milica; Martinović, Sanja; Đorđević, Nataša; Broceta, Gordana; Volkov-Husović, Tatjana

(Međunarodni Institut za nauku o sinterovanju, Beograd, 2020)

TY  - JOUR
AU  - Savić, Aleksandar
AU  - Vlahović, Milica
AU  - Martinović, Sanja
AU  - Đorđević, Nataša
AU  - Broceta, Gordana
AU  - Volkov-Husović, Tatjana
PY  - 2020
UR  - https://ritnms.itnms.ac.rs/handle/123456789/539
AB  - This study analyzes the feasibility of valorizing industrial by-product, fly ash from a thermal power plant as a partial replacement of mineral filler-limestone for the production of self-compacting concrete (SCC). Three types of SCC mixtures with different portions of fly ash and the reference mixture with limestone were designed. The synthesized SCCs in the fresh state were examined for density, entrained air content, flowability (Slump flow, Slump flow time (t500), V-funnel time (tv)), passing ability (L-box), and segregation resistance, while hardened state testing included: density, compressive and flexural strength, static modulus of elasticity, water permeability, resistance against freezing in the presence of deicing salt, and SEM analysis. Taking into account the obtained results it can be concluded that the addition of fly ash has a positive impact on the concrete properties and that the optimal content of fly ash is 20 % with respect to the total filler mass.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Valorization of Fly Ash from a Thermal Power Plant for Producing High-Performance Self-Compacting Concrete
EP  - 327
IS  - 3
SP  - 307
VL  - 52
DO  - 10.2298/SOS2003307S
UR  - conv_893
ER  - 
@article{
author = "Savić, Aleksandar and Vlahović, Milica and Martinović, Sanja and Đorđević, Nataša and Broceta, Gordana and Volkov-Husović, Tatjana",
year = "2020",
abstract = "This study analyzes the feasibility of valorizing industrial by-product, fly ash from a thermal power plant as a partial replacement of mineral filler-limestone for the production of self-compacting concrete (SCC). Three types of SCC mixtures with different portions of fly ash and the reference mixture with limestone were designed. The synthesized SCCs in the fresh state were examined for density, entrained air content, flowability (Slump flow, Slump flow time (t500), V-funnel time (tv)), passing ability (L-box), and segregation resistance, while hardened state testing included: density, compressive and flexural strength, static modulus of elasticity, water permeability, resistance against freezing in the presence of deicing salt, and SEM analysis. Taking into account the obtained results it can be concluded that the addition of fly ash has a positive impact on the concrete properties and that the optimal content of fly ash is 20 % with respect to the total filler mass.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Valorization of Fly Ash from a Thermal Power Plant for Producing High-Performance Self-Compacting Concrete",
pages = "327-307",
number = "3",
volume = "52",
doi = "10.2298/SOS2003307S",
url = "conv_893"
}
Savić, A., Vlahović, M., Martinović, S., Đorđević, N., Broceta, G.,& Volkov-Husović, T.. (2020). Valorization of Fly Ash from a Thermal Power Plant for Producing High-Performance Self-Compacting Concrete. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 52(3), 307-327.
https://doi.org/10.2298/SOS2003307S
conv_893
Savić A, Vlahović M, Martinović S, Đorđević N, Broceta G, Volkov-Husović T. Valorization of Fly Ash from a Thermal Power Plant for Producing High-Performance Self-Compacting Concrete. in Science of Sintering. 2020;52(3):307-327.
doi:10.2298/SOS2003307S
conv_893 .
Savić, Aleksandar, Vlahović, Milica, Martinović, Sanja, Đorđević, Nataša, Broceta, Gordana, Volkov-Husović, Tatjana, "Valorization of Fly Ash from a Thermal Power Plant for Producing High-Performance Self-Compacting Concrete" in Science of Sintering, 52, no. 3 (2020):307-327,
https://doi.org/10.2298/SOS2003307S .,
conv_893 .
3
1
4