Zobrazeno 1 - 10
of 68
pro vyhledávání: '"MIODRAG ZDUJIĆ"'
Publikováno v:
Journal of the Serbian Chemical Society, Vol 74, Iss 12, Pp 1401-1411 (2009)
A powder mixture of a-Bi2O3 and HfO2, in the molar ratio 2:3, was mechanochemically treated in a planetary ball mill under air, using zirconium oxide vials and balls as the milling medium. After 50 h of milling, the mechanochemical reaction led to th
Externí odkaz:
https://doaj.org/article/77432b03135e4ae1a30c24f0c8859c65
Autor:
Marija R. Miladinović, Jugoslav Krstić, Vlada B. Veljković, Miodrag Zdujić, Olivera S. Stamenković, Ivana B. Banković-Ilić, Djordje Veljovic
Publikováno v:
Renewable Energy
The catalytic activity of the walnut shell ash was investigated in the biodiesel production by the sunflower oil methanolysis. The catalyst was characterized by the TG-DTA, XRD, Hg porosimetry, N2 physisorption, SEM, and Hammett method. In addition,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ba6acdcb69d4f393a663926b2d3a55e
https://doi.org/10.1016/j.renene.2019.09.056
https://doi.org/10.1016/j.renene.2019.09.056
Autor:
Ljiljana Veselinović, Miodrag Zdujić, Marija R. Miladinović, Vlada B. Veljković, Jugoslav Krstić, Djordje Veljovic, Ivana B. Banković-Ilić, Olivera S. Stamenković
Publikováno v:
Renewable Energy
Hazelnut shell ash was investigated as a new base catalyst for the transesterification of used cooking sunflower oil to biodiesel. To understand its catalytic properties, the prepared ash was characterized by EDX, XRD, TGA/DTA, Hg porosimetry, N-2 ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::01f1d98d1220cfb05041a773b59b7153
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4976
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4976
Autor:
Dragan Z. Troter, Miodrag Zdujić, Ljiljana Veselinović, Zoran B. Todorović, Dragan Manojlović, Vlada B. Veljković, Olivera S. Stamenković, Dušica R. Đokić-Stojanović
Publikováno v:
Journal of the Serbian Chemical Society, Vol 84, Iss 3, Pp 253-265 (2019)
Journal of the Serbian Chemical Society
Journal of the Serbian Chemical Society
Ten organic solvents (triethanolamine, diethanolamine, ethylene glycol, methyl ethyl ketone, n-hexane, triethylamine, ethylene glycol dimethyl ether, glycerol, tetrahydrofuran and dioxane) were applied as cosolvents in the CaO-catalyzed ethanolysis o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c260c868162f4da7724aff18fd434529
http://www.doiserbia.nb.rs/img/doi/0352-5139/2019/0352-51391900007D.pdf
http://www.doiserbia.nb.rs/img/doi/0352-5139/2019/0352-51391900007D.pdf
Publikováno v:
Journal of the Serbian Chemical Society, Vol 83, Iss 3, Pp 345-365 (2018)
Journal of the Serbian Chemical Society
Journal of the Serbian Chemical Society
The MnCO3/Na silicate (Mn/Na/Si mole ratio of 4.65:1:1.65) catalyst in the form of solid particles with diameter of 0.99–1.99 mm was used as a catalyst for transesterification of soybean oil in batch autoclave at different conditions: 388–468 K,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f808ba5ddde11ef1de2ded56b2b6e33
http://www.doiserbia.nb.rs/img/doi/0352-5139/2018/0352-51391800005Z.pdf
http://www.doiserbia.nb.rs/img/doi/0352-5139/2018/0352-51391800005Z.pdf
Autor:
Miodrag Zdujić, Dušica R. Đokić-Stojanović, Dragan Z. Troter, Ljiljana Veselinović, Dragan Manojlović, Vlada B. Veljković, Olivera S. Stamenković, Zoran B. Todorović
Publikováno v:
Hemijska Industrija
Hemijska Industrija, Vol 73, Iss 6, Pp 351-362 (2019)
Hemijska industrija
Hemijska Industrija, Vol 73, Iss 6, Pp 351-362 (2019)
Hemijska industrija
Triethanolamine was applied as an efficient „green“ cosolvent for biodiesel production by CaO-catalyzed ethanolysis of sunflower oil. The reaction was conducted in a batch stirred reactor and optimized with respect to the reaction temperature (61
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::107fba24f2d3fbe5efdd8fb4bfa04b05
https://cherry.chem.bg.ac.rs/bitstream/id/16522/Triethanolamine_as_an_pub_2019.pdf
https://cherry.chem.bg.ac.rs/bitstream/id/16522/Triethanolamine_as_an_pub_2019.pdf
Publikováno v:
Zaštita materijala
Zaštita materijala (2019) 60(3):229-236
Zaštita materijala (2019) 60(3):229-236
Milling of cyanoacetamide and acetoacetic ester as reactants, in the presence of KOH as the catalyst and ethanol as a viscous control agent (VCA) was performed in a planetary ball mill with the goal of investigating the effect of mechanochemical trea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57b221e656a24adebd0a498cf9e59f20
https://dais.sanu.ac.rs/123456789/6954
https://dais.sanu.ac.rs/123456789/6954
Autor:
Miodrag Zdujić, Dejan Skala, Željka Kesić, Čedomir Jovalekić, Ivona Janković-Častvan, Ivana Lukić, Smilja Marković
Publikováno v:
Advanced Powder Technology
The powder mixtures of calcium oxide (CaO) and silica gel (SiO2) in molar ratios of 1:1, 1.5:1, 2:1 and 3:1 were mechanochemically treated with the addition of water, and were subsequently calcined with a goal of synthesizing CaSiO3, Ca3Si2O7, Ca2SiO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72343f228723a68527133b2e02961664
https://hdl.handle.net/21.15107/rcub_dais_5802
https://hdl.handle.net/21.15107/rcub_dais_5802
Autor:
Ivana Lukić, Vlada B. Veljković, Čedomir Jovalekić, Dejan Skala, Miodrag Zdujić, Željka Kesić
Publikováno v:
Fuel Processing Technology
Calcium-containing perovskites CaTiO 3 , CaMnO 3 , CaZrO 3 and Ca 2 Fe 2 O 5 were synthesized by calcination of mechanochemically treated stoichiometric mixtures of CaCO 3 and either TiO 2 , MnO 2 , ZrO 2 or Fe 2 O 3 powders. X-ray diffraction analys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::751b5f0280c54216a3a7bbb6540276be
https://doi.org/10.1016/j.fuproc.2015.11.018
https://doi.org/10.1016/j.fuproc.2015.11.018
Publikováno v:
Chemical Industry & Chemical Engineering Quarterly
Chemical Industry and Chemical Engineering Quarterly, Vol 22, Iss 4, Pp 391-408 (2016)
Chemical Industry and Chemical Engineering Quarterly, Vol 22, Iss 4, Pp 391-408 (2016)
Vegetable oils are mainly esters of fatty acids and glycerol, which can be converted to fatty acid methyl esters (FAME), also known as biodiesel, by the transesterification reaction with methanol. In order to attain environmental benignity, a large a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0021f1edc03b4d3f8ab5d00d3e8811d4
https://doi.org/10.2298/ciceq160203010k
https://doi.org/10.2298/ciceq160203010k