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Surface tension of fatty systems of interest for edible vegetable oils and biodiesel industry: experimental determination and modeling

Grant number: 15/23372-6
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): February 01, 2016
Effective date (End): January 31, 2017
Field of knowledge:Agronomical Sciences - Food Science and Technology - Food Engineering
Principal researcher:Cintia Bernardo Gonçalves
Grantee:Paola de Cássia Franco Visioli
Home Institution: Faculdade de Zootecnia e Engenharia de Alimentos (FZEA). Universidade de São Paulo (USP). Pirassununga , SP, Brazil


Surface tension is a property of interest in fatty systems, it is necessary for the understanding of the thermodynamic processes involving contact stages. This research project aims to obtain surface tension data of model systems containing fatty compounds (triglycerides, fatty acids, methyl esters and partial glycerides) and alcohol or hexane solvents, besides adjusting the data to a predictive model this property. This work falls within the Doctoral Project "PHYSICAL PROPERTIES OF INTEREST SYSTEMS FOR OILS INDUSTRY AND BIODIESEL PRODUCTION: DETERMINATION OF EXPERIMENTAL DATA, MODELING AND PREDICTION", funded by FAPESP (Process No. 2014 / 09757-0) whose beneficiary is the doctoral student Priscila Missano Florido, under the guidance of Prof. Dr. Cintia Bernardo Gonçalves (FZEA-USP), coordinator of the Research Grants No. 2012 / 23203-1, also associated with this research.

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FLORIDO, PRISCILA M.; VISIOLI, PAOLA C. F.; PINTO, CAMILA N.; GONCALVES, CINTIA B. Study of FAME model systems: Database and evaluation of predicting models for biodiesel physical properties. RENEWABLE ENERGY, v. 151, p. 837-845, MAY 2020. Web of Science Citations: 0.
FLORIDO, PRISCILA M.; LOBO, DEBORAH P. S.; PINTO, CAMILA N.; RODRIGUES, CHRISTIANNE E. C.; GONCALVES, CINTIA B. Physical properties of systems of interest to the edible oil industry: Viscosities and densities of model systems formed by (triacylglycerol plus fatty acid plus solvent). JOURNAL OF CHEMICAL THERMODYNAMICS, v. 113, p. 198-212, OCT 2017. Web of Science Citations: 0.

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