1992
DOI: 10.1021/ie00004a024
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Critical gas velocity for suspension of solid particles in three-phase bubble columns

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Cited by 28 publications
(17 citation statements)
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“…Koide et al 15,16) and Abraham et al 17) have both experimentally studied the critical gas velocity (U gc ) required for the suspension of solid particles (or particle aggregates) in three-phase columns. From these studies, column dimensions and shape, sparger design, and properties of the liquid and solid particles were observed to have a strong influence on U gc .…”
Section: Development Of Empirical Modelmentioning
confidence: 99%
“…Koide et al 15,16) and Abraham et al 17) have both experimentally studied the critical gas velocity (U gc ) required for the suspension of solid particles (or particle aggregates) in three-phase columns. From these studies, column dimensions and shape, sparger design, and properties of the liquid and solid particles were observed to have a strong influence on U gc .…”
Section: Development Of Empirical Modelmentioning
confidence: 99%
“…According to literature, the photocatalytic degradation of organic pollutants is significantly affected by these operating parameters: reaction time, catalyst loading [18], and superficial gas velocity [16] and these are shown in Table I. The method used to conduct the experiments is called the onefactor-at-a-time approach, where others variables are kept constant to determine the optimum level for each variable studied.…”
Section: E Experimental Designmentioning
confidence: 99%
“…The bubble size and average gas hold-up measurements were carried out to characterize the fluidization behavior of the photoreactor. The average gas hold-up (ε G ) measurement was carried out by using the quick stop method [16] and was calculated by using (1):…”
Section: G Hydrodynamics Experimentsmentioning
confidence: 99%
“…This thought is confirmable by several prior studies regarding the analysis of packed bed movement. For instance, Koide et al and Abraham et al experimentally studied the critical gas velocity (U gc ) required for the suspension of solid particles (or particle aggregates) in three-phase columns [27][28][29]. In their studies, column dimensions and shape, sparger design, and properties of the liquid and solid particles were observed to have a strong influence on U gc .…”
Section: Base Modelmentioning
confidence: 99%