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Effect of forced periodical perturbation on stability of hydrodynamic states and gas-liquid mass transfer in a trickle bed
Alternative TitleChem. Eng. Commun.
Wang, YF; Xu, HB; Mao, ZS
2002-08-01
Source PublicationCHEMICAL ENGINEERING COMMUNICATIONS
ISSN0098-6445
Volume189Issue:8Pages:1091-1104
AbstractThe stability of the hydrodynamic states corresponding to the operation on two branches of the hysteresis loop of pressure drop was examined for a trickle bed. The effect of nonsteady operation on the pressure drop and the gas-liquid mass transfer rate was investigated with several types of periodical perturbation on gas flow rate. It is found that the pressure drop and mass transfer coefficient obtained during operation under the conditions of the lower branch can be increased up to or even beyond those obtained by following the upper branch of the loop without necessarily traversing along the loop to pass through the pulsing point. These results shed light on the mechanism of performance enhancement by periodical operation of trickle beds and might provide a possible way to improve the operation of trickle bed reactors.; The stability of the hydrodynamic states corresponding to the operation on two branches of the hysteresis loop of pressure drop was examined for a trickle bed. The effect of nonsteady operation on the pressure drop and the gas-liquid mass transfer rate was investigated with several types of periodical perturbation on gas flow rate. It is found that the pressure drop and mass transfer coefficient obtained during operation under the conditions of the lower branch can be increased up to or even beyond those obtained by following the upper branch of the loop without necessarily traversing along the loop to pass through the pulsing point. These results shed light on the mechanism of performance enhancement by periodical operation of trickle beds and might provide a possible way to improve the operation of trickle bed reactors.
KeywordTrickle Bed Reactor Multiple Hydrodynamic States Stability Nonsteady Operation
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1080/00986400290012537
URL查看原文
Indexed BySCI
Language英语
WOS KeywordPRESSURE-DROP ; HYSTERESIS ; REACTORS ; FLOW
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000177313000003
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5656
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wang, YF,Xu, HB,Mao, ZS. Effect of forced periodical perturbation on stability of hydrodynamic states and gas-liquid mass transfer in a trickle bed[J]. CHEMICAL ENGINEERING COMMUNICATIONS,2002,189(8):1091-1104.
APA Wang, YF,Xu, HB,&Mao, ZS.(2002).Effect of forced periodical perturbation on stability of hydrodynamic states and gas-liquid mass transfer in a trickle bed.CHEMICAL ENGINEERING COMMUNICATIONS,189(8),1091-1104.
MLA Wang, YF,et al."Effect of forced periodical perturbation on stability of hydrodynamic states and gas-liquid mass transfer in a trickle bed".CHEMICAL ENGINEERING COMMUNICATIONS 189.8(2002):1091-1104.
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