EFFECT OF ASPERGILLUS-NIGER PELLETS ON CITRIC-ACID PRODUCTION IN A BUBBLE-COLUMN BIOREACTOR

被引：0
作者：
KIM, SH
YOO, YJ
KIM, EY
KIM, MH
机构：
[1] SEOUL CITY UNIV,DEPT CHEM ENGN,SEOUL 130743,SOUTH KOREA
[2] MIWON CO LTD,CTR RES & DEV,SEOUL 132020,SOUTH KOREA
[3] SEOUL NATL UNIV,DEPT CHEM ENGN,SEOUL 151742,SOUTH KOREA
来源：
JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY | 1995年 / 5卷 / 03期
关键词：
CITRIC ACID; PELLET; BUBBLE COLUMN BIOREACTOR; MORPHOLOGY; ASPERGILLUS NIGER;
D O I：
暂无
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Citrate is mainly produced from fungi and oxygen transfer has been known as one of the important factors in citric acid production. A bubble column bioreactor was used for citrate production after pellet was initially made using a stirred bioreactor for the inoculation. The relationship between the pellet size of Aspergillus niger and the oxygen transfer was elucidated by considering morphological characteristics of the pellet. The pellet size was determined by adjusting the impeller speed in the stirred bioreactor and the optimum diameter of the pellet was observed to be 2.2 mm under the experimental conditions. Pellet was maintained quite stable in the bubble column bioreactor and production of citric acid was significantly improved by maintaining optimal pellet conditions in the bubble column bioreactor.
引用
收藏
页码：172 / 176
页数：5
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