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Type: Artigo de periódico
Title: Performance of a perforated rotating disc contactor in the continuous extraction of a protein using the PEG-cashew-nut tree gum aqueous two-phase system
Author: Sarubbo, LA
Oliveira, LA
Porto, ALF
Lima-Filho, JL
Campos-Takaki, GM
Tambourgi, EB
Abstract: The characterisation of bovine serum albumin (BSA) mass transfer mechanisms in a perforated rotating disc contactor (PRDC) using an aqueous two-phase system (ATPS) composed of poly(ethylene glycol) (PEG) and a polysaccharide, the cashew-nut tree gum, was described. The PEG-rich phase was used as the dispersed phase and protein transfer took place from the dispersed to the continuous phase. Studies of the effect of dispersed phase velocity, system composition and disc rotation speed on either protein mass transfer coefficients or column hold-up showed that the dispersed phase hold-up and the volumetric mass transfer coefficient increased with increasing the dispersed phase velocity and disc rotation speed. (C) 2003 Elsevier Science B.V. All rights reserved.
Subject: liquid-liquid extraction
aqueous two-phase
mass transfer
perforated rotating disc contactor
Country: Suíça
Editor: Elsevier Science Sa
Rights: fechado
Identifier DOI: 10.1016/S1369-703X(03)00023-8
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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