GAS HOLDUP AND VOLUMETRIC LIQUID-PHASE MASS-TRANSFER COEFFICIENT IN A GEL-PARTICLE SUSPENDED BUBBLE COLUMN WITH DRAFT TUBE

被引:27
作者
KOIDE, K
SHIBATA, K
ITO, H
KIM, SY
OHTAGUCHI, K
机构
[1] Department of Chemical Engineering, Tokyo Institute of Technology
[2] Dept. of Chem. Eng., Dong-A Univ.
关键词
MASS TRANSFER; BUBBLE COLUMN; GAS HOLDUP; DRAFT TUBE; SOLID PARTICLES; GEL; SLURRY REACTOR;
D O I
10.1252/jcej.25.11
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The effects of column dimensions, gas velocity and properties of the liquid and the gel particles on gas holdup epsilon(G) and volumetric liquid-phase mass transfer coefficient k(L)a in a gel-suspended bubble column with a draught tube and a conical bottom were studied experimentally in a liquid-solid batch operation. The presence of suspended gel particles in the column reduces values of epsilon(G) and k(L)a, and the degree of reductions due to addition of gel particles to the column increases with increasing gel-particle concentration. Based on these observations, empirical equations of epsilon(G) and k(L)a applicable to columns of 0.14-0.3 m diameter are proposed.
引用
收藏
页码:11 / 16
页数:6
相关论文
共 17 条
[1]   GAS HOLDUP AND VOLUMETRIC MASS-TRANSFER COEFFICIENT IN BUBBLE COLUMNS - EFFECTS OF LIQUID PROPERTIES [J].
AKITA, K ;
YOSHIDA, F .
INDUSTRIAL & ENGINEERING CHEMISTRY PROCESS DESIGN AND DEVELOPMENT, 1973, 12 (01) :76-80
[2]  
HIMMELBLAU DM, 1970, PROCESS ANAL STATIST, P178
[3]   GAS HOLDUP AND VOLUMETRIC LIQUID-PHASE MASS-TRANSFER COEFFICIENT IN BUBBLE COLUMN WITH DRAFT TUBE AND WITH GAS DISPERSION INTO ANNULUS [J].
KOIDE, K ;
SATO, H ;
IWAMOTO, S .
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 1983, 16 (05) :407-413
[4]   GAS HOLDUP AND VOLUMETRIC LIQUID-PHASE MASS-TRANSFER COEFFICIENT IN BUBBLE COLUMN WITH DRAFT TUBE AND WITH GAS DISPERSION INTO TUBE [J].
KOIDE, K ;
KUREMATSU, K ;
IWAMOTO, S ;
IWATA, Y ;
HORIBE, K .
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 1983, 16 (05) :413-419
[5]   CONTRIBUTIONS OF ANNULUS AND DRAFT TUBE TO GAS-LIQUID MASS-TRANSFER IN BUBBLE-COLUMNS WITH DRAFT TUBE [J].
KOIDE, K ;
HORIBE, K ;
KITAGUCHI, H ;
SUZUKI, N .
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 1984, 17 (05) :547-549
[6]   CRITICAL GAS VELOCITY REQUIRED FOR COMPLETE SUSPENSION OF SOLID PARTICLES IN SOLID-SUSPENDED BUBBLE COLUMN WITH DRAFT TUBE [J].
KOIDE, K ;
HORIBE, K ;
KAWABATA, H ;
ITO, S .
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 1984, 17 (04) :368-374
[7]   GAS HOLDUP AND VOLUMETRIC LIQUID-PHASE MASS-TRANSFER COEFFICIENT IN SOLID-SUSPENDED BUBBLE COLUMN WITH DRAFT TUBE [J].
KOIDE, K ;
HORIBE, K ;
KAWABATA, H ;
ITO, S .
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 1985, 18 (03) :248-254
[8]  
LAMONT AGW, 1958, CAN J CHEM ENG, V31, P153
[9]   A THEORY OF COALESCENCE [J].
MARRUCCI, G .
CHEMICAL ENGINEERING SCIENCE, 1969, 24 (06) :975-&
[10]  
MIKSAMI Y, 1986, SAIBO KOGAKU, V5, P959