RT info:eu-repo/semantics/article
T1 Model assisted supercritical fluid extraction and fractionation of added-value products from tobacco scrap
A1 Tita, Gerardo Joaquín
A1 Navarrete, Alexander
A1 Martín, Ángel
A1 Cocero Alonso, María José
K1 Extracción de fluidos supercríticos
K1 Supercritical fluid extraction
K1 Valorización de residuos
K1 Valorization of residues
K1 Solanesol
K1 23 Química
AB Residues of the tobacco industry are a source of valuable compounds such as solanesol and nicotine. In this work, the supercritical fluid extraction of these compounds from tobacco scrap was studied. The effect of the key process parameters (pressure, temperature, extraction time) was analyzed and a phenomenological model of the extraction was applied in order to derive solubility and mass transfer coefficients. Furthermore, solanesol and nicotine obtained by supercritical extraction were fractionated by means of a liquid-liquid extraction. Results show that different conditions are required depending on the purpose of the extraction: low pressure (15 MPa) in order to enhance solanesol yield and solanesol selectivity, and high pressure (37 MPa) to promote nicotine extraction, while model results indicate that the best results were obtained in conditions in which the extraction was controlled by the solubility parameters. These results provide indications for the valorization of residues produced by the tobacco industry.
PB Elsevier
SN 0896-8446
YR 2021
FD 2021
LK http://uvadoc.uva.es/handle/10324/46043
UL http://uvadoc.uva.es/handle/10324/46043
LA eng
NO Journal of Supercritical Fluids, 2021, vol. 167, p. 105046
NO Producción Científica
DS UVaDOC
RD 20-may-2024