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Disengagement of the gas phase in bubble columns

โœ Scribed by N.S. Deshpande; M. Dinkar; J.B. Joshi

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
604 KB
Volume
21
Category
Article
ISSN
0301-9322

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๐Ÿ“œ SIMILAR VOLUMES

Dynamic Gas Disengagement in a High-Pres
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## Abstract Bubble disengagement after stopping the gas supply is analyzed based on the concept of constant slip velocity; it is compared with the approaches used by previous investigators. The technique has been applied to study the gas density effect (0.17 to 46.6 kgยทm^โ€”3^) on the gas holdโ€up str

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The gas disengagement technique is discussed in detail and is applied in a two-dimensional bubble column and slurry bubble column to obtain the bubble size distribution. Flow characteristics including velocities of each phase and dispersed phase size distribution during the gas disengagement process

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The conventional two-bubble-class model for bubble column reactors has been modified to account for interactions between the two bubble classes. It is shown that the modified model is more consistent with the observed residence time distribution in the gas phase than the conventional model. The resu

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In Lhe present study pressure transducer signals were used to measure the rate of liquid level drop during tbe bubble disengagement process. This enables one to use the dynamic gas disengagement method in opaque systems (i.e. industrial reactors operating at high pressures, and/or temperatures) and

Gas separation in a three-phase bubble c
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## Slurry sorption of mixtures of gaseous components has been studied as a gas separation method in a semibatchwise operated 0.3 m i.d. bubble column. Activated carbon (solid), water (liquid), propane and ethene (gas) were used as model components. The liquid phase surrounding the solid particles