✦ LIBER ✦

Critical gas velocity in a three-phase internal loop airlift reactor with low-density particles

✍ Scribed by Karuppan Muthukumar; Balakrishnan Naveen Prasad; Manickam Velan

Publisher: Wiley (John Wiley & Sons)
Year: 2004
Tongue: English
Weight: 122 KB
Volume: 79
Category: Article
ISSN: 0268-2575
DOI: 10.1002/jctb.1135

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✦ Synopsis

Abstract

In the present investigation the effects of the addition of organic additives (propanol, benzoic acid, iso‐amyl alcohol and carboxymethyl cellulose) on the critical gas velocity, (U~sg~)~c~, in an internal airlift loop reactor with low‐density particles (Nylon‐6 and polystyrene) were reported. Whereas the (U~sg~)~c~ was reduced by adding the above additives, it increased with solids loading and density of the particles. The draft tube‐to‐reactor diameter ratio (D~E~/D) in the range of 0.5–0.6 gave minimum (U~sg~)~c~ values. The proposed dimensionless correlation predicted the experimental data well. Copyright © 2004 Society of Chemical Industry

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