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Experimental Study on Bubble Size Distribution in Gas-Liquid Reversed Jet Loop Reactor

  • Rongshan Bi ORCID logo EMAIL logo , Jiao Tang , Linxi Wang , Qingqing Yang , Meilan Zuo , Chen Chen and Shuguang Xiang EMAIL logo
Published/Copyright: October 30, 2019

Abstract

Bubble size distribution (BSD) is important for gas-liquid jet loop reactor (JLR)’s mass transfer performance of inter-phases. A self-designed reversed JLR was investigated with air-water system on the BSD. The CCD camera of particle imaging velocimetry (PIV) system and image processing technique were used to obtain the reliable photo. The influences of four parameters, gas phase flow rate, liquid phase flow rate, draft tube diameter and ejector mounting position, on the BSD were studied in detail. The results showed that the local BSD is accordance with log-normal distribution under the experimental conditions and the average diameter and BSD range increase with the increase of the gas phase flow rate, and decrease with the increase of the liquid phase flow rate, the downward movement of the nozzle installation position and the increase of the diameter of the draft tube.

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Received: 2019-05-20
Revised: 2019-09-03
Accepted: 2019-10-08
Published Online: 2019-10-30

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