A new impinging stream-rotating packed bed reactor for improvement of micromixing iodide and iodate

被引:68
|
作者
Jiao, Weizhou [1 ]
Liu, Youzhi [1 ]
Qi, Guisheng [1 ]
机构
[1] N Univ China, Res Ctr Shanxi Prov High Grav Chem Engn & Technol, Taiyuan 030051, Peoples R China
关键词
Impinging stream; Rotating packed bed; Micromixing; Segregation index; Iodide-iodate reaction system; COMPETING REACTION SYSTEM; PROCESS INTENSIFICATION; RUSHTON TURBINE; EFFICIENCY; FLOW; PRECIPITATION; NANOPARTICLES; DEVICE; HIGEE; MODEL;
D O I
10.1016/j.cej.2009.11.032
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A novel concept of a liquid-liquid contact reactor, the so-called impinging stream-rotating packed bed (IS-RPB), was presented for improvement of micromixing iodide and iodate. The micromixing efficiency of IS-RPB was studied by adopting iodide-iodate reaction system. The effects of operational conditions (e. g. high gravity factor, liquid flow rate, liquid flow ratio and acid concentration) on micromixing efficiency (characterized by segregation index X-s) were investigated. In addition, the effects of different impinging distance and impinging angle on micromixing efficiency were also considered. Besides, IS, RPB and IS-RPB reactors were contrasted with micromixing characteristics in the same experimental conditions. Comparison with other mixing devices, IS-RPB reactor has better micromixing characteristics than other reactors, which has a good application prospect. (C) 2009 Elsevier B. V. All rights reserved.
引用
收藏
页码:168 / 173
页数:6
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