Fig. 3c shows the effect of changing the inner diameter from 6.2 to 12.2 mm, and the results are shown in Table 2 as runs 9, 7 and 12. The other parameters were maintained constant. The data in Table 2 illustrate that an increase in D results in decreases in qbed, h and tsat. The reduction of these parameters is due to the decrease in TRV as D increases and the bed depth decreases. Thus, at lower diameters, benzaldehyde has a longer contact time with the acti- vated carbon, which promotes higher adsorption. This effect, in addition to the increase in turbulence, weakens the solideliquid interaction, which disfavors adsorption
Fig. 3c shows the effect of changing the inner diameter from 6.2 to 12.2 mm, and the results are shown in Table 2 as runs 9, 7 and 12. The other parameters were maintained constant. The data in Table 2 illustrate that an increase in D results in decreases in qbed, h and tsat. The reduction of these parameters is due to the decrease in TRV as D increases and the bed depth decreases. Thus, at lower diameters, benzaldehyde has a longer contact time with the acti- vated carbon, which promotes higher adsorption. This effect, in addition to the increase in turbulence, weakens the solideliquid interaction, which disfavors adsorption
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