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Volume 4 , Issue 2 , December 2018 , Pages: 23 - 33
Modeling of Controlled Release of Betacarotene Microcapsules in Ethyl Acetate
Jucelio Kilinski Tavares, Chemical and Food Engineering Department, Federal University of Santa Catarina, Florianópolis, Brazil
Antônio Augusto Ulson de Souza, Chemical and Food Engineering Department, Federal University of Santa Catarina, Florianópolis, Brazil
José Vladimir de Oliveira, Chemical and Food Engineering Department, Federal University of Santa Catarina, Florianópolis, Brazil
Adriano da Silva, Chemical and Food Engineering Department, Federal University of Santa Catarina, Florianópolis, Brazil
Wagner Luiz Priamo, Laboratory of Separation Processes, Federal Institute of Education, Science and Technology of Rio Grande do Sul State IFRS – Campus Sertão, Sertão, Brazil
Selene Maria Arruda Guelli Ulson de Souza, Chemical and Food Engineering Department, Federal University of Santa Catarina, Florianópolis, Brazil
Received: Jul. 5, 2018;       Accepted: Sep. 13, 2018;       Published: Oct. 17, 2018
DOI: 10.11648/j.nsnm.20180402.11        View        Downloads  
In this work several models of mass transfer process were used for modelling and simulating active principles release of polymeric microcapsules of the matrix type. To demonstrate the performance of each model compared to the experimental data, a statistical analysis using the F test was done. The following mathematical models were used on this mass transfer problem: 2ª. Law of Fick (CDMASSA), LDF - Linear Drive Force, analytical model and others semiempiricals models. The results obtained were compared with those available in the literature. In this work the release of the active ingredient betacarotene, contained in microcapsules (PHBV) in the solvent ethyl acetate, was studied. It was observed that the model obtained from the 2ª. Law of Fick fits better on the literature data compared to the models: LDF, analytical andsemiempirical. s. The most complete model, based on the phenomenology of the problem, provide a better result, considering that it was able to represent the fundamental stages of the mass transfer process, such as the resistance to mass transfer on the microcapsule surface, werethe numerical results were very close to the experimental results.
Release, Microcapsules, Modeling, Active Principles, Simulation
To cite this article
Jucelio Kilinski Tavares, Antônio Augusto Ulson de Souza, José Vladimir de Oliveira, Adriano da Silva, Wagner Luiz Priamo, Selene Maria Arruda Guelli Ulson de Souza, Modeling of Controlled Release of Betacarotene Microcapsules in Ethyl Acetate, Nanoscience and Nanometrology. Vol. 4, No. 2, 2018, pp. 23-33. doi: 10.11648/j.nsnm.20180402.11
Copyright © 2018 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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