drying in the rotating-pulsed fluidized bed

Clicks: 232
ID: 156607
2007
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Abstract
There are particulate materials that are cohesive when wet. Although they are Geldart's group A dry powders, they show difficulties in fluidizing in a conventional fluidized bed, which could be diminished by modifying the fluidization equipment. Therefore, the objective of this work was to study the drying of cohesive particulate material using a rotating-pulsed fluidized bed. The material used in the drying study was 2-hydroxybenzoic acid because its cohesive forces are stronger when wet. The drying experiments were carried out according to the following parameters: frequency of disk (5 and 15 Hz), initial moisture content of the material (high and low) and gas temperature at 85°C. From the drying kinetic curves and visual observations during the experiments, it could be concluded that the rotating-pulsed fluidized bed is an alternative for the processing of cohesive solids that preserves the final quality of the dry solids.
Reference Key
ambrosio-ugri2007braziliandrying Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;M. C. B. Ambrosio-Ugri;O. P. Taranto
Journal database and network journal
Year 2007
DOI
10.1590/S0104-66322007000100009
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322007000100009
Keywords
fluidized bed drying

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