Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Skala Dejan U."'
Publikováno v:
Hemijska Industrija, Vol 78, Iss 3, Pp 187-203 (2024)
In the group of multiphase contactors and reactors, an important place belongs to reciprocat-ing plate columns (RPCs), which consist of a set of perforated plates fixed on a carrier (the so-called reciprocating or vibrating agitator) moving periodica
Externí odkaz:
https://doaj.org/article/44fa5fb87dea448ab74415a52e773885
Further study on kinetic modeling of sunflower oil methanolysis catalyzed by calcium-based catalysts
Autor:
Miladinović Marija R., Tasić Marija B., Stamenković Olivera S., Veljković Vlada B., Skala Dejan U.
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 22, Iss 2, Pp 137-144 (2016)
The kinetic model, which was originally developed for sunflower oil methanolysis catalyzed by CaO.ZnO, was examined for several other calcium-based catalysts like neat CaO, quicklime and Ca(OH)2. This model including triacylglycerols mass transfer
Externí odkaz:
https://doaj.org/article/619fc1ec10a74b37a5616a5783bd2eb6
Autor:
Lazarević Vesna B., Krstić Ivan M., Lazić Miodrag L., Savić Dragiša S., Skala Dejan U., Veljković Vlada B.
Publikováno v:
Hemijska Industrija, Vol 67, Iss 1, Pp 59-68 (2013)
The treatment of spent oil-in-water emulsion (SOWE) from a non-ferrous metal-processing plant by using aluminum sulfate and hydrated lime was studied to determine the purification efficiency, to optimize the operating conditions and to scale up the t
Externí odkaz:
https://doaj.org/article/71c0bd1e0405404d9c1ed2838ed8eecf
Autor:
Miladinović Marija R., Lukić Ivana Z., Stamenković Olivera S., Veljković Vlada B., Skala Dejan U.
Publikováno v:
Hemijska Industrija, Vol 64, Iss 2, Pp 63-80 (2010)
Today, homogeneous base-catalyzed methanolysis is most frequently used method for industrial biodiesel production. High requirements for the quality of feedstocks and the problems related to a huge amount of wastewaters have led to the development of
Externí odkaz:
https://doaj.org/article/3e8ae3c8e189410195b04c37cf560fb3
Autor:
Stamenković Ivica S., Banković-Ilić Ivana B., Stamenković Olivera S., Veljković Vlada B., Skala Dejan U.
Publikováno v:
Hemijska Industrija, Vol 63, Iss 1, Pp 1-10 (2009)
Continuous biodiesel production on laboratory and industrial scale was analyzed, with focus on their advantages and disadvantages. Attention was paid to specific characteristics of industrial processes in order to point out the advanced technologies.
Externí odkaz:
https://doaj.org/article/a2a634ae9efe4b688373283fce562105
Autor:
Glišić Sandra B., Milojević Svetomir Ž., Dimitrijević Suzana I., Orlović Aleksandar M., Skala Dejan U.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 4, Pp 311-320 (2007)
The essential oil of common juniper (Juniperus communis L., from the southern part of Serbia) and its fractions of different composition, as well as commercial antibiotics were used for testing their antimicrobial activity against bacteria, yeast and
Externí odkaz:
https://doaj.org/article/986fadcd04be436a89a03e7325141793
Autor:
Vasić Ljubiša S., Banković-Ilić Ivana B., Lazić Miodrag L., Veljković Vlada B., Skala Dejan U.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 5, Pp 523-531 (2007)
The effects of vibration intensity, superficial gas velocity and content of solid particles on the volumetric oxygen mass transfer coefficient (k 1 a) in a 16.6 cm i.d. multiphase reciprocating plate column were studied. The k 1 a increased with incr
Externí odkaz:
https://doaj.org/article/0a454da97fea4475aaf73df6a9374462
Publikováno v:
Hemijska Industrija, Vol 60, Iss 3-4, Pp 61-71 (2006)
St. John's Wort, the Hypericum perforatum L. is one of the most analyzed plant species today. Plant was characterized with a wide ecological spectrum and is a plant with beautiful yellow flowers. St. John's Wort was used and still is in used in tradi
Externí odkaz:
https://doaj.org/article/897bec5653b14c3096b10e1e633dab2b
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 1, Pp 125-136 (2005)
Mathematical models of alumina/silica gel supercritical drying with carbon dioxide were studied using supercritical drying experimental data. An alumina/silica gel with zinc chloride was synthesized and dried with superciritical carbon dioxide, and i
Externí odkaz:
https://doaj.org/article/adc8607fc4c24d21bdd160beefc54e55
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 11, Pp 1363-1371 (2005)
The influence of the geometry of a reciprocating plate column (diameter), superficial gas velocity, vibration intensity and content of the solid phase in the column on the gas hold-up in a three phase column (G-L-S) were investigated in this study. F
Externí odkaz:
https://doaj.org/article/0a85f23e83cd4e048c8918d03defab1a