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Study on Dispersed-Phase Axial Dispersion in an Agitated-Pulsed Solvent Extraction Column with a Step Tracer Injection Technique
Tan, Boren1,2; Zhang, Yanlin3,4; Wang, Yong1,5; Qi, Tao1,5
2021-05-19
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume60Issue:19Pages:7454-7463
AbstractIn this work, the residence time distribution (RTD) of the dispersed phase (aqueous phase) and continuous phase (organic phase) in an agitated-pulsed extraction column (APC) was measured online with a step tracer injection technique and the axial dispersion was subsequently calculated via RTD analysis. It was found that both the agitation speed and the pulsation intensity had noticeable effects on the axial dispersion of the dispersed phase, which escalates with the increase in the agitation speed and this is especially authentic at high pulsation intensity. The dispersed-phase axial dispersion coefficient also becomes higher with the increase in the dispersed-phase velocity. Compared with the dispersed-phase axial dispersion in the APC, the continuous-phase axial dispersion is 2-3 times higher. Empirical equations have been proposed to correlate the dispersed- and continuous-phase axial dispersion coefficients for variation of both agitation and pulsation conditions in APC. This study could be valuable for assessing the dispersed-phase axial dispersion in liquid-liquid extraction columns.
DOI10.1021/acs.iecr.1c00506
Language英语
WOS KeywordRESIDENCE TIME DISTRIBUTION ; MASS-TRANSFER ; KINETICS INTERNALS ; DOUGHNUT COLUMNS ; SLIP VELOCITY ; DROP SIZE ; DISC ; HOLDUP ; PERFORMANCE ; PREDICTION
Funding ProjectInnovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM 2020DA02] ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM-2019-A15]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationInnovation Academy for Green Manufacture, Chinese Academy of Sciences
WOS IDWOS:000655249200047
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/49115
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Yong; Qi, Tao
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing 100089, Peoples R China
2.Univ Chinese Acad Sci, Beijing 101400, Peoples R China
3.Chinese Acad Sci, Nanjing IPE Inst Green Mfg Ind, Nanjing 211135, Peoples R China
4.Univ Melbourne, Sch Chem, Parkville, Vic 3010, Australia
5.Chinese Acad Sci, Ganjiang Innovat Acad, Ganzhou 341000, Peoples R China
Recommended Citation
GB/T 7714
Tan, Boren,Zhang, Yanlin,Wang, Yong,et al. Study on Dispersed-Phase Axial Dispersion in an Agitated-Pulsed Solvent Extraction Column with a Step Tracer Injection Technique[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2021,60(19):7454-7463.
APA Tan, Boren,Zhang, Yanlin,Wang, Yong,&Qi, Tao.(2021).Study on Dispersed-Phase Axial Dispersion in an Agitated-Pulsed Solvent Extraction Column with a Step Tracer Injection Technique.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,60(19),7454-7463.
MLA Tan, Boren,et al."Study on Dispersed-Phase Axial Dispersion in an Agitated-Pulsed Solvent Extraction Column with a Step Tracer Injection Technique".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 60.19(2021):7454-7463.
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