2018
DOI: 10.1016/j.cej.2018.03.063
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The effect of gas addition on bubble dynamics in a fluidized bed with flat vertical membranes

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Cited by 6 publications
(3 citation statements)
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“…The C-shape elbow is adopted to reduce the effects of the outlet section on flow in the riser. A pseudo 2D bed is used due to the limitation of optical measurement. , In a 2D bed, the gas–solid flow in the depth direction can be neglected because the bed depth is largely smaller than the height and width. The bed height of the experimental section is 1.5 m and the bed depth is 0.01 m. The width of the straight section is 0.06 m.…”
Section: Methodsmentioning
confidence: 99%
“…The C-shape elbow is adopted to reduce the effects of the outlet section on flow in the riser. A pseudo 2D bed is used due to the limitation of optical measurement. , In a 2D bed, the gas–solid flow in the depth direction can be neglected because the bed depth is largely smaller than the height and width. The bed height of the experimental section is 1.5 m and the bed depth is 0.01 m. The width of the straight section is 0.06 m.…”
Section: Methodsmentioning
confidence: 99%
“…These small bubbles then merged with upward moving and growing bubbles, thus increasing the average size of large-and medium-sized bubbles in the upper bed sections. Zaabout et al [37] found that gas addition through flat vertical membranes led to a larger number of smaller bubbles, but slightly reduced average bubble size. This discrepancy might be attributed to the adoption of a bed height that just covered the membrane plates in their experiments, so the emergence of small bubbles moving up was not observed.…”
Section: Effects Of Gas Additionmentioning
confidence: 99%
“…By integrating hydrogen separation with reforming reactions, higher reactant conversions were achieved at mild operating temperatures and ultrapure hydrogen flow with purity >99.995% was obtained in the permeate lines . Selective dosing of reactants—mostly oxygen—via membranes is another interesting application of FBMR . Benefits such as the suppression of undesired side reactions, higher yields and conversions, and the expansion of the safe operating range of the reactant compositions can be achieved with species dosing via membranes.…”
Section: Introductionmentioning
confidence: 99%