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Type: Artigo de periódico
Title: Drying of Xanthan Gum Using a Two-Dimensional Spouted Fluidized Bed (2DSFB) with Inert Particles: Performance and Rheological Considerations
Author: Ciro-Velasquez, HJ
Cunha, RL
Menegalli, FC
Abstract: Xanthan commercial gum was dried using a two-dimensional spouted fluidized bed dryer (2DSFB) with inert particles under different conditions of temperature, suspension feed rate, and air flow in the spout and annulus. Performance characteristics of drying processing, flow characteristics of the bed, and influence of the drying variables on rheological behavior of product were evaluated. The results indicated that xanthan suspension can be dried out in a spout-fluidized bed without several damages in its rheological behavior. In addition, the lower feed rate was the main factor to decrease viscosity and elastic character of xanthan, which was associated to a depolimerization caused by shearing for an extended processing time.
Subject: Drying
Spouted bed
Country: EUA
Editor: Taylor & Francis Inc
Citation: Drying Technology. Taylor & Francis Inc, v. 28, n. 3, n. 389, n. 401, 2010.
Rights: fechado
Identifier DOI: 10.1080/07373931003645116
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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