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Cyclic operation strategies in inclined and moving packed beds—Potential marine applications for floating systems
Author(s) -
Dashliborun Amir Motamed,
Larachi Faïçal,
Hamidipour Mohsen
Publication year - 2016
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.15327
Subject(s) - packed bed , contactor , mechanics , electrical capacitance tomography , capacitance , penetration (warfare) , saturation (graph theory) , swell , materials science , chemistry , engineering , physics , chromatography , thermodynamics , power (physics) , mathematics , electrode , operations research , combinatorics
The hydrodynamics of a periodically operated packed bed subjected to column oscillations and obliquity was studied. Electrical capacitance tomography (ECT) and capacitance wire mesh sensors were employed to measure the local instantaneous liquid saturation in stationary slanted and moving packed beds, respectively. A swell simulator with six‐degree‐of‐freedom motions was applied to emulate the behavior of floating packed beds. The results revealed that column inclination from the vertical position considerably decayed liquid waves excited by different cyclic operation strategies. However, ON–OFF liquid and gas/liquid alternating cyclic operations showed an attempt to conserve wave identity in the slanted bed and to decrease phase maldistribution resulting from bed inclination. It was also found that symmetric and non‐symmetric split ratios of ON–OFF liquid cyclic mode were able to noticeably decrease fluid maldistribution in the oscillating packed bed. This study opens up possible prospects for process intensification of floating packed bed reactors and contactors. © 2016 American Institute of Chemical Engineers AIChE J , 62: 4157–4172, 2016