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Agglomeration process of rice protein concentrate using glucomannan as binder: In-line monitoring of particle size

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Autor(es):
Andreola, Kaciane [1] ; Silva, Carlos A. M. [2] ; Taranto, Osualdir P. [1]
Número total de Autores: 3
Afiliação do(s) autor(es):
[1] Univ Estadual Campinas, Sch Chem Engn, Lab Thermofluid Dynam Proc, BR-13083852 Campinas, SP - Brazil
[2] Univ Fed Sao Paulo, Dept Chem Engn, BR-09972270 Sao Paulo - Brazil
Número total de Afiliações: 2
Tipo de documento: Artigo Científico
Fonte: CHEMICAL ENGINEERING RESEARCH & DESIGN; v. 135, p. 37-51, JUL 2018.
Citações Web of Science: 0
Resumo

Rice protein has raised interest from food industry due to its singular nutritional value and nutraceutical properties. However, rice protein concentrate powder presents fine particles with moderate flowability and low wettability, limiting its use. The production of large and porous granules with both high wettability and flowability can be performed by agglomeration process. In this work, the fluid bed agglomeration using konjac glucomannan as binder agent was investigated as a potential method to improve the quality attributes of the RPC powder. The influence of binder concentration and binder feed rate on particle size and quality of the product was evaluated. In-line particle size was monitored by a spatial filter velocimetry probe. Agglomeration was successfully performed in a fluid bed, resulting in large granules with low moisture content, short wetting time and improvement of the flowability. In-line particle size data allowed a better understanding of the particles growth, which was influenced by the binder concentration and binder feed rate. The best operating condition was obtained using low binder concentration and low binder feed rate, since this condition provided an instant powder with very good flowability at the highest yield. (C) 2018 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved. (AU)

Processo FAPESP: 11/20713-6 - Controle e monitoramento da estabilidade da fluidização e da distribuição de tamanho de partículas em tempo real: aplicação em processos de recobrimento e granulação de partículas em leito fluidizado gás-sólido
Beneficiário:Osvaldir Pereira Taranto
Modalidade de apoio: Auxílio à Pesquisa - Regular