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Strategies for producing lipidic particles using fluidized bed

Grant number: 15/11629-2
Support type:Scholarships in Brazil - Master
Effective date (Start): November 01, 2015
Effective date (End): February 28, 2017
Field of knowledge:Agronomical Sciences - Food Science and Technology - Food Engineering
Principal researcher:Ana Silvia Prata
Grantee:Bruna Barbon Paulo
Home Institution: Faculdade de Engenharia de Alimentos (FEA). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:11/04230-5 - Design of particles for functional finishing of textiles: investigation of microencapsulation techniques, AP.JP


Fluidized bed is an extremely versatile equipment and it is used for drying, reactions and / or coatings in various industrial fields. However, the development of these operations is still very recent, and they need to be significantly improved to satisfy the actual demand of particulate production in the industry. In this context, the use of tools for monitoring and development of new processes is critical to increase operational efficiency and reduce experimental costs. Currently, the knowledge about the use of the fluidized bed to diversify the production of particles, for example, when employing materials with low melting point is limited. The challenge in using these materials is that the changes of temperature causes solid-liquid transition phase, making it difficult to obtain particles. This project proposes the production of particles with high lipid content, with melting point between 60 and 80 f C, by combining dripping techniques (Jet Cutter) and fluidized bed. The polymeric coating material will be employed to contain the variation of volume during the phase changes of lipid. The evaluation of the best operating conditions for carrying out the coating will be simulated in OpenFOAM, a free software of Dynamic Computational Fluid, and then they will be experimentally validated by collecting temperature and pressure data within the chamber. In the determined thermo-fluiddynamic conditions, the particles will be coated and characterized as the morphology, size, and thermal properties.

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Scientific publications (4)
(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)
PAULO, BRUNA BARBON; SCHMIELE, MARCIO; MAXIMO, GUILHERME JOSE; PRATA, ANA SILVIA. Carnauba Wax Particles: Investigation of Dripping and Cold-Extrusion Processes. JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, v. 96, n. 7, p. 847-859, JUL 2019. Web of Science Citations: 0.
CORREIA, RUI; PAULO, BRUNA BARBON; PRATA, ANA SILVIA; FERREIRA, ALMERINDO D. Fluid dynamics performance of phase change material particles in a Wurster spout-fluid bed. PARTICUOLOGY, v. 42, n. SI, p. 163-175, FEB 2019. Web of Science Citations: 0.
PAULO, BRUNA BARBON; ANDREOLA, KACIANE; TARANTO, OSVALDIR; FERREIRA, ALMERINDO D.; PRATA, ANA SILVIA. Coating approach for a Phase Change Material (PCM). Powder Technology, v. 341, n. SI, p. 147-156, JAN 1 2019. Web of Science Citations: 4.
PAULO, BRUNA BARBON; RAMOS, FERNANDA DE MELO; PRATA, ANA SILVIA. An investigation of operational parameters of jet cutting method on the size of Ca-alginate beads. JOURNAL OF FOOD PROCESS ENGINEERING, v. 40, n. 6 DEC 2017. Web of Science Citations: 2.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
PAULO, Bruna Barbon. Strategies for production of lipid particles in fluidized bed. 2017. 170 f. Master's Dissertation - Universidade Estadual de Campinas (UNICAMP). Faculdade de Engenharia de Alimentos.

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Filed patent(s) as a result of this research project

PROCESSO DE RECOBRIMENTO DE PARTÍCULAS DE PCM, PARTÍCULAS DE PCM RECOBERTAS, E SEUS USOS BR1020170047920 - Universidade Estadual de Campinas (UNICAMP) . Ana Silvia Prata; Bruna Barbon Paulo - March 2017, 08