Stojiljković, Dragoslava

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  • Stojiljković, Dragoslava (4)
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Author's Bibliography

Thermal characteristics and combustion reactivity of coronavirus face masks using TG-DTG-MS analysis

Manić, Nebojša; Janković, Bojan; Stojiljković, Dragoslava; Angelopoulos, Panagiotis; Jovanović, Vladimir; Radojević, Miloš

(Poland: Wydawnictwo Naukowe WNPiD UAM, 2021)

TY  - CONF
AU  - Manić, Nebojša
AU  - Janković, Bojan
AU  - Stojiljković, Dragoslava
AU  - Angelopoulos, Panagiotis
AU  - Jovanović, Vladimir
AU  - Radojević, Miloš
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12626
AB  - The presented paper deals with the influence of heating rate on combustion characteristics (reactivity and reactivity evaluation, ignition index (Di), burn-out index (Df), combustion performance index (S), and combustion stability index (RW)) of protective coronavirus face masks. Two types of commonly used face masks in different state (new and exploited) were investigated by TG-DTG analysis in air atmosphere, directly coupled with mass spectrometry (MS). Based on experimental results, the impact of ultimate and proximate analysis data on the evolved gas analysis (EGA) was disscused in detail. Also, the derived values from thermoanalytical data were compared with literature, related to individual constitutive face mask materials. According to the performed research, it was established that different maximal reaction rate values at various heating rates indicate the complex nature of coronavirus face mask thermo-oxidative degradation, which is stimulated with carbon oxidation reactions and volatile matter (VM) release. By detailed analysis of obtained TGDTG profiles, it was established that process takes place through multiple-step pathways, due to many vigorous radical reactions, causes by polymers degradation. The performed research was done to evaluate the possible utilization of coronavirus waste to energy production and sustainable pandemic environmental risk reduction.
PB  - Poland: Wydawnictwo Naukowe WNPiD UAM
C3  - 17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis : Book of abstracts
T1  - Thermal characteristics and combustion reactivity of coronavirus face masks using TG-DTG-MS analysis
SP  - 142
EP  - 142
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12626
ER  - 
@conference{
author = "Manić, Nebojša and Janković, Bojan and Stojiljković, Dragoslava and Angelopoulos, Panagiotis and Jovanović, Vladimir and Radojević, Miloš",
year = "2021",
abstract = "The presented paper deals with the influence of heating rate on combustion characteristics (reactivity and reactivity evaluation, ignition index (Di), burn-out index (Df), combustion performance index (S), and combustion stability index (RW)) of protective coronavirus face masks. Two types of commonly used face masks in different state (new and exploited) were investigated by TG-DTG analysis in air atmosphere, directly coupled with mass spectrometry (MS). Based on experimental results, the impact of ultimate and proximate analysis data on the evolved gas analysis (EGA) was disscused in detail. Also, the derived values from thermoanalytical data were compared with literature, related to individual constitutive face mask materials. According to the performed research, it was established that different maximal reaction rate values at various heating rates indicate the complex nature of coronavirus face mask thermo-oxidative degradation, which is stimulated with carbon oxidation reactions and volatile matter (VM) release. By detailed analysis of obtained TGDTG profiles, it was established that process takes place through multiple-step pathways, due to many vigorous radical reactions, causes by polymers degradation. The performed research was done to evaluate the possible utilization of coronavirus waste to energy production and sustainable pandemic environmental risk reduction.",
publisher = "Poland: Wydawnictwo Naukowe WNPiD UAM",
journal = "17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis : Book of abstracts",
title = "Thermal characteristics and combustion reactivity of coronavirus face masks using TG-DTG-MS analysis",
pages = "142-142",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12626"
}
Manić, N., Janković, B., Stojiljković, D., Angelopoulos, P., Jovanović, V.,& Radojević, M.. (2021). Thermal characteristics and combustion reactivity of coronavirus face masks using TG-DTG-MS analysis. in 17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis : Book of abstracts
Poland: Wydawnictwo Naukowe WNPiD UAM., 142-142.
https://hdl.handle.net/21.15107/rcub_vinar_12626
Manić N, Janković B, Stojiljković D, Angelopoulos P, Jovanović V, Radojević M. Thermal characteristics and combustion reactivity of coronavirus face masks using TG-DTG-MS analysis. in 17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis : Book of abstracts. 2021;:142-142.
https://hdl.handle.net/21.15107/rcub_vinar_12626 .
Manić, Nebojša, Janković, Bojan, Stojiljković, Dragoslava, Angelopoulos, Panagiotis, Jovanović, Vladimir, Radojević, Miloš, "Thermal characteristics and combustion reactivity of coronavirus face masks using TG-DTG-MS analysis" in 17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis : Book of abstracts (2021):142-142,
https://hdl.handle.net/21.15107/rcub_vinar_12626 .

The kinetic study of juice industry residues drying process based on TG-DTG experimental data

Milanović, Mihailo; Komatina, Mirko; Janković, Bojan; Stojiljković, Dragoslava; Manić, Nebojša

(Poland: Wydawnictwo Naukowe WNPiD UAM, 2021)

TY  - CONF
AU  - Milanović, Mihailo
AU  - Komatina, Mirko
AU  - Janković, Bojan
AU  - Stojiljković, Dragoslava
AU  - Manić, Nebojša
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12625
AB  - To achieve sustainable development and mitigate the climate change challenges,  the use of food industry residues is an important part of the modern circular econ-  omy. The residues from the fruit juice production industry are nowadays commonly  used raw materials for producing different value-added products. In order to improve  the energy efficiency aspects of the industry residue treatment, generally, the drying  process as the first step of the whole processing chain should be further analyzed.  Regarding these facts, a comprehensive kinetic study was performed to provide the  detailed mechanisms of moisture removal from the base raw material. The industrial  residues from apple juice production were used for experimental isothermal TG anal-  ysis in the air atmosphere at five different temperatures. Based on experimental data,  different kinetic models were applied to determine the kinetic parameters and dom-  inant conversion functions. The obtained results of activation energy were compared  with literature data and further discussion about the decomposition mechanisms was  provided. The results of this research will be further used for developing the univer-  sal mathematical model of the drying process which could be applied for other sim-  ilar food materials and could provide new data for the energy efficiency improve-  ment of the food residues processing industry.
PB  - Poland: Wydawnictwo Naukowe WNPiD UAM
C3  - 17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis : Book of abstracts
T1  - The kinetic study of juice industry residues drying process based on TG-DTG experimental data
SP  - 37
EP  - 37
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12625
ER  - 
@conference{
author = "Milanović, Mihailo and Komatina, Mirko and Janković, Bojan and Stojiljković, Dragoslava and Manić, Nebojša",
year = "2021",
abstract = "To achieve sustainable development and mitigate the climate change challenges,  the use of food industry residues is an important part of the modern circular econ-  omy. The residues from the fruit juice production industry are nowadays commonly  used raw materials for producing different value-added products. In order to improve  the energy efficiency aspects of the industry residue treatment, generally, the drying  process as the first step of the whole processing chain should be further analyzed.  Regarding these facts, a comprehensive kinetic study was performed to provide the  detailed mechanisms of moisture removal from the base raw material. The industrial  residues from apple juice production were used for experimental isothermal TG anal-  ysis in the air atmosphere at five different temperatures. Based on experimental data,  different kinetic models were applied to determine the kinetic parameters and dom-  inant conversion functions. The obtained results of activation energy were compared  with literature data and further discussion about the decomposition mechanisms was  provided. The results of this research will be further used for developing the univer-  sal mathematical model of the drying process which could be applied for other sim-  ilar food materials and could provide new data for the energy efficiency improve-  ment of the food residues processing industry.",
publisher = "Poland: Wydawnictwo Naukowe WNPiD UAM",
journal = "17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis : Book of abstracts",
title = "The kinetic study of juice industry residues drying process based on TG-DTG experimental data",
pages = "37-37",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12625"
}
Milanović, M., Komatina, M., Janković, B., Stojiljković, D.,& Manić, N.. (2021). The kinetic study of juice industry residues drying process based on TG-DTG experimental data. in 17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis : Book of abstracts
Poland: Wydawnictwo Naukowe WNPiD UAM., 37-37.
https://hdl.handle.net/21.15107/rcub_vinar_12625
Milanović M, Komatina M, Janković B, Stojiljković D, Manić N. The kinetic study of juice industry residues drying process based on TG-DTG experimental data. in 17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis : Book of abstracts. 2021;:37-37.
https://hdl.handle.net/21.15107/rcub_vinar_12625 .
Milanović, Mihailo, Komatina, Mirko, Janković, Bojan, Stojiljković, Dragoslava, Manić, Nebojša, "The kinetic study of juice industry residues drying process based on TG-DTG experimental data" in 17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis : Book of abstracts (2021):37-37,
https://hdl.handle.net/21.15107/rcub_vinar_12625 .

The impact of production operating parameters on mechanical and thermophysical characteristics of commercial wood pellets

Manić, Nebojša G.; Janković, Bojan Ž.; Milović, Ljubica; Komatina, Mirko; Stojiljković, Dragoslava

(2021)

TY  - JOUR
AU  - Manić, Nebojša G.
AU  - Janković, Bojan Ž.
AU  - Milović, Ljubica
AU  - Komatina, Mirko
AU  - Stojiljković, Dragoslava
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9870
AB  - This study presents the experimental results of the mechanical and thermophysical properties of wood pellet samples important for their utilization in pellet stoves and boilers for heat production. The impact of operational parameters during the production process on a single pelletizer unit for three typical domestic commercial wood pellet samples (PWP110, BWP110, and BWP140) on fuel particle mechanical characteristics and related thermal properties was analyzed. It was concluded that the changes in raw material selection, as well as related operating parameters (extrusion length, i.e., die temperature during production process), have influenced the key mechanical and thermal characteristics of tested commercial wood pellets. The presented results have indicated the existence of a thin solid layer (due to waxes and subsequently lignin coating layer behaviors depending on their glass transition temperatures) on the surface of the BWP140 pellet sample. This layer leads to increasing the thermal resistance in the considered sample which can be explained by decreasing the effective thermal conductivity. Also, the forming of this layer on the surface of the wood pellet sample was caused by the production process (high-temperature impact explained by increasing friction between the die and feedstock during pellets production). It could be related to a lower value of effective thermal conductivity and specific heat capacity for considered (Beech) wood pellet sample.
T2  - Biomass Conversion and Biorefinery
T1  - The impact of production operating parameters on mechanical and thermophysical characteristics of commercial wood pellets
DO  - 10.1007/s13399-021-01609-4
ER  - 
@article{
author = "Manić, Nebojša G. and Janković, Bojan Ž. and Milović, Ljubica and Komatina, Mirko and Stojiljković, Dragoslava",
year = "2021",
abstract = "This study presents the experimental results of the mechanical and thermophysical properties of wood pellet samples important for their utilization in pellet stoves and boilers for heat production. The impact of operational parameters during the production process on a single pelletizer unit for three typical domestic commercial wood pellet samples (PWP110, BWP110, and BWP140) on fuel particle mechanical characteristics and related thermal properties was analyzed. It was concluded that the changes in raw material selection, as well as related operating parameters (extrusion length, i.e., die temperature during production process), have influenced the key mechanical and thermal characteristics of tested commercial wood pellets. The presented results have indicated the existence of a thin solid layer (due to waxes and subsequently lignin coating layer behaviors depending on their glass transition temperatures) on the surface of the BWP140 pellet sample. This layer leads to increasing the thermal resistance in the considered sample which can be explained by decreasing the effective thermal conductivity. Also, the forming of this layer on the surface of the wood pellet sample was caused by the production process (high-temperature impact explained by increasing friction between the die and feedstock during pellets production). It could be related to a lower value of effective thermal conductivity and specific heat capacity for considered (Beech) wood pellet sample.",
journal = "Biomass Conversion and Biorefinery",
title = "The impact of production operating parameters on mechanical and thermophysical characteristics of commercial wood pellets",
doi = "10.1007/s13399-021-01609-4"
}
Manić, N. G., Janković, B. Ž., Milović, L., Komatina, M.,& Stojiljković, D.. (2021). The impact of production operating parameters on mechanical and thermophysical characteristics of commercial wood pellets. in Biomass Conversion and Biorefinery.
https://doi.org/10.1007/s13399-021-01609-4
Manić NG, Janković BŽ, Milović L, Komatina M, Stojiljković D. The impact of production operating parameters on mechanical and thermophysical characteristics of commercial wood pellets. in Biomass Conversion and Biorefinery. 2021;.
doi:10.1007/s13399-021-01609-4 .
Manić, Nebojša G., Janković, Bojan Ž., Milović, Ljubica, Komatina, Mirko, Stojiljković, Dragoslava, "The impact of production operating parameters on mechanical and thermophysical characteristics of commercial wood pellets" in Biomass Conversion and Biorefinery (2021),
https://doi.org/10.1007/s13399-021-01609-4 . .
3
1
3

The Application of a Novel Methodology for the Determination of Biomass Spontaneous Ignition

Manić, Nebojša; Janković, Bojan; Stojiljković, Dragoslava; Radojević, Miloš; Castels Somoza, Blanca; Medić, Ljiljana

(SDEWES - International Centre for Sustainable Development of Energy, Water and Environment Systems, 2020)

TY  - CONF
AU  - Manić, Nebojša
AU  - Janković, Bojan
AU  - Stojiljković, Dragoslava
AU  - Radojević, Miloš
AU  - Castels Somoza, Blanca
AU  - Medić, Ljiljana
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12627
AB  - Despite many advantages of the u tilization of biomass a s a r enewable energy source, certain bot t lenecks during biomass plant operation can be identified. Div ersity in space, periodicity of biomass collection and non-uniform material characteristics a r e issues r elated to decr easing efficiency of logistics and fu el manipulation which can a lso cause economic problems with biomass collection, transport, and storage. Since biomass is an especially reactive fuel, this has r a ised concerns ov er its safe handling and utilization. Fires, and sometimes explosions, are a risk du r ing all stages of fuel production a s well a s during handling and utilization of the product. This paper presents a nov el method for assessing ignition risk and prov ides a ranking of the relative r isk of ignition of biomass fu els. Tests within this method include physical and chemical properties of biomass, thermal analysis (TA) measurements, and the calculation procedure steps which were made using characteristic temperatures from thermogravimetry (TG) recordings. The TG r esults were used for the determination of the tangent slope of the mass loss rate curves in the dev olatilization zone at considered heating rates for all tested samples. Linear interpolation of the da ta obtained by tangent slope analysis and used heating rates may prov ide a unique straight line for ea ch sample in the ignition testing. TG index of spontaneous ignition (TG spi) is obtained for all samples based on a newly established formula. By v arying gradient of linear dependence of selfhea ting coefficient against reference temperatures (Tref,i), mass and heat transfer limitations for v arious biomasses were discussed. The proposed method is accurate as well as relatively simple and quick, enabling determination of data necessary for the design and application of appropriate measure store due fire and explosion hazards related to the operation of biomass.
PB  - SDEWES - International Centre for Sustainable Development of Energy, Water and Environment Systems
PB  - Zagreb : Faculty of Mechanical Engineering and Naval Architecture
C3  - 4th South East European Conference on Sustainable Development of Energy, Water and Environmental Systems : Book of abstracts
T1  - The Application of a Novel Methodology for the Determination of Biomass Spontaneous Ignition
SP  - 72
EP  - 72
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12627
ER  - 
@conference{
author = "Manić, Nebojša and Janković, Bojan and Stojiljković, Dragoslava and Radojević, Miloš and Castels Somoza, Blanca and Medić, Ljiljana",
year = "2020",
abstract = "Despite many advantages of the u tilization of biomass a s a r enewable energy source, certain bot t lenecks during biomass plant operation can be identified. Div ersity in space, periodicity of biomass collection and non-uniform material characteristics a r e issues r elated to decr easing efficiency of logistics and fu el manipulation which can a lso cause economic problems with biomass collection, transport, and storage. Since biomass is an especially reactive fuel, this has r a ised concerns ov er its safe handling and utilization. Fires, and sometimes explosions, are a risk du r ing all stages of fuel production a s well a s during handling and utilization of the product. This paper presents a nov el method for assessing ignition risk and prov ides a ranking of the relative r isk of ignition of biomass fu els. Tests within this method include physical and chemical properties of biomass, thermal analysis (TA) measurements, and the calculation procedure steps which were made using characteristic temperatures from thermogravimetry (TG) recordings. The TG r esults were used for the determination of the tangent slope of the mass loss rate curves in the dev olatilization zone at considered heating rates for all tested samples. Linear interpolation of the da ta obtained by tangent slope analysis and used heating rates may prov ide a unique straight line for ea ch sample in the ignition testing. TG index of spontaneous ignition (TG spi) is obtained for all samples based on a newly established formula. By v arying gradient of linear dependence of selfhea ting coefficient against reference temperatures (Tref,i), mass and heat transfer limitations for v arious biomasses were discussed. The proposed method is accurate as well as relatively simple and quick, enabling determination of data necessary for the design and application of appropriate measure store due fire and explosion hazards related to the operation of biomass.",
publisher = "SDEWES - International Centre for Sustainable Development of Energy, Water and Environment Systems, Zagreb : Faculty of Mechanical Engineering and Naval Architecture",
journal = "4th South East European Conference on Sustainable Development of Energy, Water and Environmental Systems : Book of abstracts",
title = "The Application of a Novel Methodology for the Determination of Biomass Spontaneous Ignition",
pages = "72-72",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12627"
}
Manić, N., Janković, B., Stojiljković, D., Radojević, M., Castels Somoza, B.,& Medić, L.. (2020). The Application of a Novel Methodology for the Determination of Biomass Spontaneous Ignition. in 4th South East European Conference on Sustainable Development of Energy, Water and Environmental Systems : Book of abstracts
SDEWES - International Centre for Sustainable Development of Energy, Water and Environment Systems., 72-72.
https://hdl.handle.net/21.15107/rcub_vinar_12627
Manić N, Janković B, Stojiljković D, Radojević M, Castels Somoza B, Medić L. The Application of a Novel Methodology for the Determination of Biomass Spontaneous Ignition. in 4th South East European Conference on Sustainable Development of Energy, Water and Environmental Systems : Book of abstracts. 2020;:72-72.
https://hdl.handle.net/21.15107/rcub_vinar_12627 .
Manić, Nebojša, Janković, Bojan, Stojiljković, Dragoslava, Radojević, Miloš, Castels Somoza, Blanca, Medić, Ljiljana, "The Application of a Novel Methodology for the Determination of Biomass Spontaneous Ignition" in 4th South East European Conference on Sustainable Development of Energy, Water and Environmental Systems : Book of abstracts (2020):72-72,
https://hdl.handle.net/21.15107/rcub_vinar_12627 .