Zobrazeno 1 - 10
of 15
pro vyhledávání: '"B Vlada Veljkovic"'
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly. 28:237-245
Apple pomace is a solid waste derived from the apple processing industry. To foster sustainability, the apple processing industry must implement the circular economy model of biorefinery and treat apple pomace as a valuable source of apple seed oil.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7157af161f4d6d22da7afe8030c6b840
https://doi.org/10.2298/ciceq210819035t
https://doi.org/10.2298/ciceq210819035t
Autor:
Milan D. Kostić, Ana V. Veličković, Olivera S. Stamenković, Jelena M. Avramović, B Vlada Veljkovic, B Jugoslav Krstic
Publikováno v:
Hemijska Industrija, Vol 75, Iss 5, Pp 257-276 (2021)
Hemijska industrija
Hemijska industrija
Wheat straw ash (WSA) was investigated as a new catalyst in biodiesel production from sunflower oil. The catalyst was characterized by temperature-programmed decomposition, X-ray powder diffraction, Hg porosimetry, N2 physisorption, and scanning elec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfc881b0fd721a2ecefc3dbcec665804
http://www.doiserbia.nb.rs/img/doi/0367-598X/2021/0367-598X2105257V.pdf
http://www.doiserbia.nb.rs/img/doi/0367-598X/2021/0367-598X2105257V.pdf
Autor:
T Ivana Karabegovic, Z Dragan Troter, R Bojana Danilovic, G Natalija Djordjevic, S Dragisa Savic, B Vlada Veljkovic
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 27, Iss 4, Pp 313-317 (2021)
In recent years, many researchers have focused on microalgae as a potential source of lipids for various purposes. To improve the lipid yield, different biomass pretreatments have been investigated. The aim of this work was to determine the effect of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5af9c46ef0ef43c299c62946672e9b5f
https://doi.org/10.2298/ciceq201101049d
https://doi.org/10.2298/ciceq201101049d
Autor:
B Marija Tasic, M Petar Mitrović, O Milan Biberdžić, G Ivica Đalović, D Milan Kostic, S Olivera Stamenkovic, B Vlada Veljkovic
Publikováno v:
Reciklaža i Održivi Razvoj, Vol 11, Iss 1, Pp 53-62 (2018)
Recycling and Sustainable Development (2018) 11(1):53-62
Recycling & Sustainable Development
Recycling and Sustainable Development (2018) 11(1):53-62
Recycling & Sustainable Development
The use of low-cost or priceless feedstocks such as byproducts in biodiesel production results in a reduced overall process costs. The present paper reports the use of corn germs and corn cobs as byproducts from corn-based starch production in the bi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7815f4cac82336e33d497066e056ca4b
https://scindeks-clanci.ceon.rs/data/pdf/1820-7480/2018/1820-74801801053K.pdf
https://scindeks-clanci.ceon.rs/data/pdf/1820-7480/2018/1820-74801801053K.pdf
Autor:
Z Milica Zlatkovic, Sandra S. Konstantinović, T Jovan Ciric, B Slavica Ilic, B Vlada Veljkovic, D Gordana Gojgic-Cvijovic
Publikováno v:
Hemijska Industrija, Vol 71, Iss 6, Pp 487-494 (2017)
Hemijska industrija
Hemijska industrija
In the present work, four derivatives of salicylaldehyde (salicylaldehyde-hydrazone, phenylhydrazone, semicarbazone and thiosemicarbazone) were synthesized using both conventional (95% ethanol) and green (crude glycerol from biodiesel production) sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18b15d0c5fcc91c589f62eb123454fe1
https://doi.org/10.2298/hemind170124011k
https://doi.org/10.2298/hemind170124011k
Autor:
B Vlada Veljkovic, Sandra S. Konstantinović, S Dragisa Savic, T Jovan Ciric, B Slavica Ilic, R Bojana Danilovic
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 22, Iss 4, Pp 461-489 (2016)
The increased production of biodiesel as an alternative fuel involves the simultaneous growth in production of crude glycerol as its main by-product. Therefore, the feasibility and sustainability of biodiesel production requires the effective utiliza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ac4a5a39f6b29aed161b5e26c591e25
https://doi.org/10.2298/ciceq160303019k
https://doi.org/10.2298/ciceq160303019k
Publikováno v:
Advanced Technologies (2015) 4(1):33-41
The homogeneous base-catalyzed methanolysis of waste cooking oil (WCO) was investigated at a methanol:WCO molar ratio of 6:1, the initial KOH amount of 1% (based on the oil weight) and moderate temperatures (30 o C to 60 o C) with the aim to model th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7ea4135e18a537b97da77b602a58cad
https://doi.org/10.5937/savteh1501033s
https://doi.org/10.5937/savteh1501033s
Publikováno v:
Savremene tehnologije (2014) 3(2):35-45
The seed oil of cotton thistle (Onopordum acanthium L.) was used for fatty acid methyl ester synthesis in a two-step process that includes the H2SO4-catalyzed esterification of free fatty acid from the oil and the KOH-catalyzed methanolysis of the es
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37b6421c1d7b8597ac781c526a174e7d
https://doi.org/10.5937/savteh1402035k
https://doi.org/10.5937/savteh1402035k
Autor:
Z Svetomir Milojevic, Srdjan Pejanovic, B Dragana Radosavljevic, B Vlada Veljkovic, P Vladimir Pavicevic
Publikováno v:
Hemijska industrija
Hemijska Industrija, Vol 67, Iss 5, Pp 843-859 (2013)
Hemijska Industrija, Vol 67, Iss 5, Pp 843-859 (2013)
The present work deals with the modeling of the kinetics of essential oils extraction from plant materials by water and steam distillation. The experimental data were obtained by studying the hydrodistillation kinetics of essential oil from juniper b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a934d2ae75d7d8c725060184b218b8d9
https://doi.org/10.2298/hemind121026009m
https://doi.org/10.2298/hemind121026009m
Autor:
S Olivera Stamenkovic, B Vlada Veljkovic, S Biljana Djordjevic, R Dusica Djokic-Stojanovic, Z Dragan Troter, M Vanja Todorovic, B Zoran Todorovic
Publikováno v:
Advanced Technologies
Advanced Technologies (2016) 5(1):66-72
Advanced Technologies (2016) 5(1):66-72
A heterogeneous reaction process using propylene glycol (PEG), ethyl acetate and diethyl ether as cosolvents for the transesterification of sunflower oil with ethanol in the presence of calcium oxide as a catalyst has been developed. Significant resu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::023cddbcc1ed153ce77821e8d4fc4dff
