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Potential use of supercritical extraction for separation of organic substancesŠkerget, Mojca ; Knez, ŽeljkoZa načrtovanje superkritičnega ekstrakcijskega procesa so pomembni podatki o topnosti in prenosu snovi. Izmerili smo ravnotežno topnost kafeina v superkritičnem CO2 pri temperaturi (50 + - 0.5) oC ... ter tlaku 90 do 100 bar. Koncentracijo v superkritičnem fluidu smo določili z odvzemom vzorcev iz ravnotežne celice. Vzorce smo analizirali s HPLC. Rezultate topnosti smo podali v g kafeina na kg Co2 ter jih primerjali s podatki iz literature. Topnost kafeina v superkritičnem CO2 linearno narašča s tlakom v območju od 100 do 170 bar in je med 0.23 in 0.78 g kafeina/kg CO2. .Source: Vestnik Slovenskega kemijskega društva = Bulletin of the Slovenian Chemical Society = Bulletin de la Société Chimique Slovéne. - ISSN 0560-3110 (38 (1991), 3 ; str. 413-426)Type of material - article, component partPublish date - 1991Language - englishCOBISS.SI-ID - 2817028
Author
Škerget, Mojca |
Knez, Željko
Topics
procesna tehnika |
načrtovanje procesov |
ekstrakcija |
superkritična ekstrakcija |
CO2 |
kafein |
topnost |
prenos snovi |
chemical engineering |
process design |
extraction |
supercritical extraction |
CO2 |
caffeine |
solubility |
mass transfer
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Škerget, Mojca | 11865 |
Knez, Željko | 02619 |
Source: Personal bibliographies
and: SICRIS
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