HYDRODYNAMIC BEHAVIOR OF CONICAL FERMENTERS IN BREWING

被引：0
|
作者：
SASAKI, M
SHIMAZU, T
NAKAMURA, K
KITAHARA, H
TSUTSUMI, A
YOSHIDA, K
机构：
[1] GUNMA UNIV,DEPT CHEM ENGN,KIRYU,GUNMA 376,JAPAN
[2] UNIV TOKYO,DEPT CHEM ENGN,TOKYO 113,JAPAN
来源：
KAGAKU KOGAKU RONBUNSHU | 1992年 / 18卷 / 06期
关键词：
BIOCHEMICAL ENGINEERING; CHEMICAL REACTOR; BREWING; CONICAL FERMENTER; CIRCULATING FLOW MODEL;
D O I：
10.1252/kakoronbunshu.18.875
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Hydrodynamic behavior in a fermenter for brewing was studied experimentally. Using a conical fermenter of 1 m diameter and 3.5 m height, the CO2 germination rate, gas volume flux. and liquid flow rate were measured. To investigate the bubble behavior, the bubble size distribution, bubble rise velocity and gas holdup were measured, using a two-dimensional conical fermenter of 0.3 m width and 1-3 m heigt. Analysis of the data shows that the driving force of the recirculation is the radial gradient of density that results from the uneven distribution of CO2 bubbles. The circulating flow model explains the hydrodynamic behavior of the fermenter.
引用
收藏
页码：875 / 880
页数：6
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