MASS-TRANSFER INTO VISCOUS PSEUDOPLASTIC LIQUID IN LARGE-DIAMETER BUBBLE-COLUMNS

被引：31
作者：
EICKENBUSCH, H
BRUNN, PO
SCHUMPE, A
机构：
[1] UNIV ERLANGEN NURNBERG, D-91058 ERLANGEN, GERMANY
[2] UNIV ERLANGEN NURNBERG, INST STROMUNGSMECH, D-91058 ERLANGEN, GERMANY
[3] TECH UNIV CAROLO WILHELMINA BRAUNSCHWEIG, INST CHEM TECH, D-38106 BRAUNSCHWEIG, GERMANY
来源：
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION | 1995年 / 34卷 / 05期
关键词：
BUBBLE COLUMN; SCALE-UP; PSEUDOPLASTIC LIQUID; MASS TRANSFER; GAS HOLD-UP;
D O I：
10.1016/0255-2701(95)00626-5
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In pseudoplastic aqueous solutions of polysaccharides (xanthan, hydroxypropyl guar), hydrodynamics and oxygen mass transfer were studied in bubble columns of 0.19 m, 0.29 m and 0.60 m diameter (0.08 to 1.6 m(3) liquid volume). Churn-turbulent flow prevailed; a slight diameter effect on the gas hold-up was observed only at high viscosity in the smaller columns. The volumetric mass transfer coefficients were independent of the column diameter. The suitability of previously suggested correlations for scale-up is analyzed.
引用
收藏
页码：479 / 485
页数：7
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