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Application of KHX Impeller in a Low-shear Stirred Bioreactor
Alternative TitleChin. J. Chem. Eng.
Yang, Shifang; Li, Xiangyang; Deng, Gang; Yang, Chao; Mao, Zaisha
2014-10-01
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
Volume22Issue:10Pages:1072-1077
AbstractIn our previous work, a low-shear stirred bioreactor was explored. With a pitched blade turbine impeller downflow (PBTD) used, the shear stress generated is high compared with that in some low shear axial flow impellers. KHX impeller is an efficient axial flow impeller, which provides large onflow diffusivity and low shear force. In this work, the KHX impeller was applied in a lower-shear bioreactor and the performance of this reactor was evaluated and compared with that of the PBTD impeller. The experimental results show that the KHX impeller can disperse gas at lower power consumption and gives greater gas-liquid volumetric mass transfer coefficients than PBTD at the same power consumption. An empirical correlation for evaluating the mass transfer coefficient of the KHX impeller in the bioreactor is presented to provide reference for its industrial application. (C) 2014 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.; In our previous work, a low-shear stirred bioreactor was explored. With a pitched blade turbine impeller downflow (PBTD) used, the shear stress generated is high compared with that in some low shear axial flow impellers. KHX impeller is an efficient axial flow impeller, which provides large onflow diffusivity and low shear force. In this work, the KHX impeller was applied in a lower-shear bioreactor and the performance of this reactor was evaluated and compared with that of the PBTD impeller. The experimental results show that the KHX impeller can disperse gas at lower power consumption and gives greater gas-liquid volumetric mass transfer coefficients than PBTD at the same power consumption. An empirical correlation for evaluating the mass transfer coefficient of the KHX impeller in the bioreactor is presented to provide reference for its industrial application. (C) 2014 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.
KeywordBioleaching Reactor Draft Tube Mass Transfer Coefficient Ore Suspension Shear Stress
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.cjche.2014.09.001
URL查看原文
Indexed BySCI
Language英语
WOS KeywordLIQUID MASS-TRANSFER ; NA2SO3 FEEDING METHOD ; TANK REACTORS ; POWER-CONSUMPTION ; SOLIDS SUSPENSION ; KLA MEASUREMENT ; TURBINES ; VESSELS
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000345530900002
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11872
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yang, Shifang,Li, Xiangyang,Deng, Gang,et al. Application of KHX Impeller in a Low-shear Stirred Bioreactor[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2014,22(10):1072-1077.
APA Yang, Shifang,Li, Xiangyang,Deng, Gang,Yang, Chao,&Mao, Zaisha.(2014).Application of KHX Impeller in a Low-shear Stirred Bioreactor.CHINESE JOURNAL OF CHEMICAL ENGINEERING,22(10),1072-1077.
MLA Yang, Shifang,et al."Application of KHX Impeller in a Low-shear Stirred Bioreactor".CHINESE JOURNAL OF CHEMICAL ENGINEERING 22.10(2014):1072-1077.
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