Zobrazeno 1 - 10
of 131
pro vyhledávání: '"DEJAN SKALA"'
Publikováno v:
Journal of the Serbian Chemical Society, Vol 75, Iss 6, Pp 789-801 (2010)
In this study, catalysts for fatty acid methyl esters (FAME or bio-diesel) synthesis with K2CO3 as the active component on an alumina/silica support were synthesized using the sol–gel method, which was followed by drying the “dense” wet gels wi
Externí odkaz:
https://doaj.org/article/2620cca74af540a8afbe223081f8d47f
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 15, Iss 4, Pp 271-278 (2009)
The present study was aimed to investigate and compare the efficiency of different methods for the isolation extract from a plant material. Extracts from dried leaves of Aloe vera (A. barbadensis Mill.) and Sweet Bay (Laurus nobilis L.) were obtained
Externí odkaz:
https://doaj.org/article/f3055438fce744b7884d527701039384
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 1, Pp 13-27 (2007)
The non-catalytic synthesis of biodiesel (fatty acids methyl esters) from triglycerides and methanol proceeds at elevated pressures above 100 bar and temperatures above 523 K. Kinetic investigations of the system revealed an unusual behavior of the r
Externí odkaz:
https://doaj.org/article/86e275260f534a02a7e633477d6a890a
Publikováno v:
Journal of the Serbian Chemical Society, Vol 71, Iss 12, Pp 1281-1288 (2006)
Thermogravimetry, TG, of lipids is an appropriate analytical method, commonly used to correlate the kinetic parameters of the thermal degradation of lipids and their composition. Thus, samples of total lipids extracted from the raw fatty tissue of fa
Externí odkaz:
https://doaj.org/article/60cb2dbb088e449c874618993b2c0a7f
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/c0b108ffd0154d09a09bea9f18e8b331
Publikováno v:
Hemijska Industrija
Synthesis of biodiesel from various plant oils is realized by the transesterification of triglycerides with methanol or by a reaction usually defined as methanolysis. The usage of low-quality oils, such as waste cooking oil (WCO), is followed by unde
Publikováno v:
Fenugreek ISBN: 9781003082767
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fc17e3ed02bdee73c41f2a3159b3e05
https://doi.org/10.1201/9781003082767-7
https://doi.org/10.1201/9781003082767-7
Publikováno v:
Chemical Industry & Chemical Engineering Quarterly
Chemical Industry and Chemical Engineering Quarterly, Vol 26, Iss 2, Pp 171-182 (2020)
Chemical Industry and Chemical Engineering Quarterly, Vol 26, Iss 2, Pp 171-182 (2020)
Supercritical CO2 extraction was applied on fenugreek (Trigonella foenum-graecum L., Fabaceae) seeds with the aim to define optimal process conditions to obtain the maximal extract yields content of steroidal sapogenins. Central composite rotatable d
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 24, Iss 1, Pp 9-22 (2018)
Chemical Industry & Chemical Engineering Quarterly
Chemical Industry & Chemical Engineering Quarterly
The manganese carbonate catalyst, prepared by precipitation method, was used in transesterification of soybean oil under subcritical condition of methanol. Catalyst samples were characterized by X-ray diffraction (XRD), Fourier transform infrared (FT
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,