TY  - CONF
AU  - Aćimović, Zagorka
AU  - Andrić, Ljubiša
AU  - Terzić, Anja
AU  - Šekularac, Gavrilo
AU  - Pavlović, Marko
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/7492
AB  - In this paper, results of investigation of casting technology of complex thin-wall copper alloy castings with accent on Lost Foam casting procedure are given. Phases of casting procedure were investigated, along with important process parameters and their influence on structure and properties of obtained castings. This technology enabled obtaining of the castings with complex construction and thin walls, and significant savings in casting procedure: expensive operations such are cleaning and machine processing of castings are minimized, while exploitation of metal is increased. Critical parameters of the process were investigated: casting temperature, types of refractory coatings, types of polymer models and their influence on formation of the structure. Results showed that new technology can be applied for obtaining of quality copper alloy castings which can be widely used in mechanical industry.
PB  - Association of Metallurgical Engineers of Serbia (AMES)
PB  - University of Belgrade, Faculty of Technology and Metallurgy Belgrade (TMF)
C3  - First Metallurgical & Materials Engineering Congress of South-East Europe (MME SEE 2013), Belgrade, Proceedings and Book of Abstracts, Belgrade, Serbia (23.05-25.05.2013)
T1  - Developement of Modern Technologies of Copper Alloys Casting
SP  - 274
EP  - 280
UR  - https://hdl.handle.net/21.15107/rcub_cer_7492
ER  - 

@conference{
author = "Aćimović, Zagorka and Andrić, Ljubiša and Terzić, Anja and Šekularac, Gavrilo and Pavlović, Marko",
year = "2013",
abstract = "In this paper, results of investigation of casting technology of complex thin-wall copper alloy castings with accent on Lost Foam casting procedure are given. Phases of casting procedure were investigated, along with important process parameters and their influence on structure and properties of obtained castings. This technology enabled obtaining of the castings with complex construction and thin walls, and significant savings in casting procedure: expensive operations such are cleaning and machine processing of castings are minimized, while exploitation of metal is increased. Critical parameters of the process were investigated: casting temperature, types of refractory coatings, types of polymer models and their influence on formation of the structure. Results showed that new technology can be applied for obtaining of quality copper alloy castings which can be widely used in mechanical industry.",
publisher = "Association of Metallurgical Engineers of Serbia (AMES), University of Belgrade, Faculty of Technology and Metallurgy Belgrade (TMF)",
journal = "First Metallurgical & Materials Engineering Congress of South-East Europe (MME SEE 2013), Belgrade, Proceedings and Book of Abstracts, Belgrade, Serbia (23.05-25.05.2013)",
title = "Developement of Modern Technologies of Copper Alloys Casting",
pages = "274-280",
url = "https://hdl.handle.net/21.15107/rcub_cer_7492"
}

Aćimović, Z., Andrić, L., Terzić, A., Šekularac, G.,& Pavlović, M.. (2013). Developement of Modern Technologies of Copper Alloys Casting. in First Metallurgical & Materials Engineering Congress of South-East Europe (MME SEE 2013), Belgrade, Proceedings and Book of Abstracts, Belgrade, Serbia (23.05-25.05.2013)
Association of Metallurgical Engineers of Serbia (AMES)., 274-280.
https://hdl.handle.net/21.15107/rcub_cer_7492

Aćimović Z, Andrić L, Terzić A, Šekularac G, Pavlović M. Developement of Modern Technologies of Copper Alloys Casting. in First Metallurgical & Materials Engineering Congress of South-East Europe (MME SEE 2013), Belgrade, Proceedings and Book of Abstracts, Belgrade, Serbia (23.05-25.05.2013). 2013;:274-280.
https://hdl.handle.net/21.15107/rcub_cer_7492 .

Aćimović, Zagorka, Andrić, Ljubiša, Terzić, Anja, Šekularac, Gavrilo, Pavlović, Marko, "Developement of Modern Technologies of Copper Alloys Casting" in First Metallurgical & Materials Engineering Congress of South-East Europe (MME SEE 2013), Belgrade, Proceedings and Book of Abstracts, Belgrade, Serbia (23.05-25.05.2013) (2013):274-280,
https://hdl.handle.net/21.15107/rcub_cer_7492 .

TY  - CONF
AU  - Vlahović, Milica
AU  - Martinović, Sanja
AU  - Boljanac, Tamara
AU  - Andrić, Ljubiša
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/7311
AB  - Serbian lignite from ’’Kolubara’’ deposit was used as a low cost adsorbent for removal of copper ions (Cu2+) from aqueous solutions. Lignite was subjected to the elementary and technical analysis as well as BET and FTIR analysis to provide complete characterization. Basic comparison between lignite and activated carbon was also done. Adsorption efficiency was studied as function of initial metal concentration and amount of adsorbent. Three different amounts of lignite were used (30, 45, and 60 g). Initial solutions with three different concentrations of copper (50, 200, and 330 mg/l) were prepared. Results proved that investigated lignite is very efficient sorbent material, especially in case of low copper concentration where the usual methods are either economically unrewarding or technically complicated. The effect of adsorbent amount on adsorption kinetics is visible but not crucial.
PB  - Sofia, Bulgaria : Publishing House “St. Ivan Rilski”
C3  - Proceedings - XV Balkan Mineral Processing Congress, June 12-16 2013, Sozopol, Bulgaria
T1  - Adsorption isotherms of removing copper from aqueous solutions by low cost adsorbent-lignite
VL  - 1
SP  - 994
EP  - 997
UR  - https://hdl.handle.net/21.15107/rcub_cer_7311
ER  - 

@conference{
author = "Vlahović, Milica and Martinović, Sanja and Boljanac, Tamara and Andrić, Ljubiša",
year = "2013",
abstract = "Serbian lignite from ’’Kolubara’’ deposit was used as a low cost adsorbent for removal of copper ions (Cu2+) from aqueous solutions. Lignite was subjected to the elementary and technical analysis as well as BET and FTIR analysis to provide complete characterization. Basic comparison between lignite and activated carbon was also done. Adsorption efficiency was studied as function of initial metal concentration and amount of adsorbent. Three different amounts of lignite were used (30, 45, and 60 g). Initial solutions with three different concentrations of copper (50, 200, and 330 mg/l) were prepared. Results proved that investigated lignite is very efficient sorbent material, especially in case of low copper concentration where the usual methods are either economically unrewarding or technically complicated. The effect of adsorbent amount on adsorption kinetics is visible but not crucial.",
publisher = "Sofia, Bulgaria : Publishing House “St. Ivan Rilski”",
journal = "Proceedings - XV Balkan Mineral Processing Congress, June 12-16 2013, Sozopol, Bulgaria",
title = "Adsorption isotherms of removing copper from aqueous solutions by low cost adsorbent-lignite",
volume = "1",
pages = "994-997",
url = "https://hdl.handle.net/21.15107/rcub_cer_7311"
}

Vlahović, M., Martinović, S., Boljanac, T.,& Andrić, L.. (2013). Adsorption isotherms of removing copper from aqueous solutions by low cost adsorbent-lignite. in Proceedings - XV Balkan Mineral Processing Congress, June 12-16 2013, Sozopol, Bulgaria
Sofia, Bulgaria : Publishing House “St. Ivan Rilski”., 1, 994-997.
https://hdl.handle.net/21.15107/rcub_cer_7311

Vlahović M, Martinović S, Boljanac T, Andrić L. Adsorption isotherms of removing copper from aqueous solutions by low cost adsorbent-lignite. in Proceedings - XV Balkan Mineral Processing Congress, June 12-16 2013, Sozopol, Bulgaria. 2013;1:994-997.
https://hdl.handle.net/21.15107/rcub_cer_7311 .

Vlahović, Milica, Martinović, Sanja, Boljanac, Tamara, Andrić, Ljubiša, "Adsorption isotherms of removing copper from aqueous solutions by low cost adsorbent-lignite" in Proceedings - XV Balkan Mineral Processing Congress, June 12-16 2013, Sozopol, Bulgaria, 1 (2013):994-997,
https://hdl.handle.net/21.15107/rcub_cer_7311 .

TY  - CONF
AU  - Martinović, Sanja
AU  - Vlahović, Milica
AU  - Boljanac, Tamara
AU  - Andrić, Ljubiša
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/7312
AB  - Kolubara lignite was used as a natural and low cost adsorption material for removal of copper (Cu2+) from the aqueous solutions. As a method, batch adsorption procedure was applied. Results show that domestic lignite is good adsorbent material since about 90 % of copper cations were removed in 5 minutes of contact time from the solutions of low copper concentration (50 mg/l) regardless the adsorbent amount, while the same effect of adsorption was achieved in 60 minutes
in case of solutions with high concentrations of copper (330 mg/l). Optimum removal of copper ions was achieved at pH = 5.0. The study proved that tested lignite is very efficient adsorbent material. This behavior can be explained by FTIR spectrum despite a small specific surface area of lignite. Many bands are attributed to the functional groups involved in chemisorption and ionic exchange, basic mechanisms of copper adsorption.
PB  - Sofia, Bulgaria : Publishing House “St. Ivan Rilski”
C3  - Proceedings - XV Balkan Mineral Processing Congress, June 12-16 2013, Sozopol, Bulgaria
T1  - Kinetics of copper adsorption from wastewater by lignite
VL  - 1
SP  - 998
EP  - 1001
UR  - https://hdl.handle.net/21.15107/rcub_cer_7312
ER  - 

@conference{
author = "Martinović, Sanja and Vlahović, Milica and Boljanac, Tamara and Andrić, Ljubiša",
year = "2013",
abstract = "Kolubara lignite was used as a natural and low cost adsorption material for removal of copper (Cu2+) from the aqueous solutions. As a method, batch adsorption procedure was applied. Results show that domestic lignite is good adsorbent material since about 90 % of copper cations were removed in 5 minutes of contact time from the solutions of low copper concentration (50 mg/l) regardless the adsorbent amount, while the same effect of adsorption was achieved in 60 minutes
in case of solutions with high concentrations of copper (330 mg/l). Optimum removal of copper ions was achieved at pH = 5.0. The study proved that tested lignite is very efficient adsorbent material. This behavior can be explained by FTIR spectrum despite a small specific surface area of lignite. Many bands are attributed to the functional groups involved in chemisorption and ionic exchange, basic mechanisms of copper adsorption.",
publisher = "Sofia, Bulgaria : Publishing House “St. Ivan Rilski”",
journal = "Proceedings - XV Balkan Mineral Processing Congress, June 12-16 2013, Sozopol, Bulgaria",
title = "Kinetics of copper adsorption from wastewater by lignite",
volume = "1",
pages = "998-1001",
url = "https://hdl.handle.net/21.15107/rcub_cer_7312"
}

Martinović, S., Vlahović, M., Boljanac, T.,& Andrić, L.. (2013). Kinetics of copper adsorption from wastewater by lignite. in Proceedings - XV Balkan Mineral Processing Congress, June 12-16 2013, Sozopol, Bulgaria
Sofia, Bulgaria : Publishing House “St. Ivan Rilski”., 1, 998-1001.
https://hdl.handle.net/21.15107/rcub_cer_7312

Martinović S, Vlahović M, Boljanac T, Andrić L. Kinetics of copper adsorption from wastewater by lignite. in Proceedings - XV Balkan Mineral Processing Congress, June 12-16 2013, Sozopol, Bulgaria. 2013;1:998-1001.
https://hdl.handle.net/21.15107/rcub_cer_7312 .

Martinović, Sanja, Vlahović, Milica, Boljanac, Tamara, Andrić, Ljubiša, "Kinetics of copper adsorption from wastewater by lignite" in Proceedings - XV Balkan Mineral Processing Congress, June 12-16 2013, Sozopol, Bulgaria, 1 (2013):998-1001,
https://hdl.handle.net/21.15107/rcub_cer_7312 .