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A novel surface aeration configuration for improving gas-liquid mass transfer
Alternative TitleChin. J. Chem. Eng.
Yu, GZ; Mao, ZS; Wang, R
2002-02-01
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
Volume10Issue:1Pages:39-44
AbstractA novel surface aeration configuration featured with a self-rotating and floating baffle (SRFB) and a Rushton disk turbine (DT) with a perforated disk has been developed. The SRFB, consisted of 12 fan blades twisted by an angle of 30degrees to the horizontal plane, is incorporated onto the impeller shaft to improve gas entrainment, bubble breakup, mixing in a phi154 mm agitated vessel. This new configuration is compared to the conventional DT surface aeration experimentally. The results suggest that the critical impeller speed for onset of gas entrainment is lower for the new configuration and it demands greater power consumption. Moreover, the SRFB system produces 30%-68% higher volumetric mass transfer coefficient per unit power input than that obtained in the conventional DT surface aerator under the same operation conditions.; A novel surface aeration configuration featured with a self-rotating and floating baffle (SRFB) and a Rushton disk turbine (DT) with a perforated disk has been developed. The SRFB, consisted of 12 fan blades twisted by an angle of 30degrees to the horizontal plane, is incorporated onto the impeller shaft to improve gas entrainment, bubble breakup, mixing in a phi154 mm agitated vessel. This new configuration is compared to the conventional DT surface aeration experimentally. The results suggest that the critical impeller speed for onset of gas entrainment is lower for the new configuration and it demands greater power consumption. Moreover, the SRFB system produces 30%-68% higher volumetric mass transfer coefficient per unit power input than that obtained in the conventional DT surface aerator under the same operation conditions.
KeywordSurface Aeration Self-rotating And Floating Baffle Gas-liquid Mass Transfer
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordRUSHTON TURBINE AGITATORS ; NA2SO3 FEEDING METHOD ; POWER-CONSUMPTION ; KLA MEASUREMENT ; STIRRED-TANK ; VESSELS ; DESIGN
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000174602500005
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5667
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Yu, GZ,Mao, ZS,Wang, R. A novel surface aeration configuration for improving gas-liquid mass transfer[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2002,10(1):39-44.
APA Yu, GZ,Mao, ZS,&Wang, R.(2002).A novel surface aeration configuration for improving gas-liquid mass transfer.CHINESE JOURNAL OF CHEMICAL ENGINEERING,10(1),39-44.
MLA Yu, GZ,et al."A novel surface aeration configuration for improving gas-liquid mass transfer".CHINESE JOURNAL OF CHEMICAL ENGINEERING 10.1(2002):39-44.
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