Academic Journal
The motion and separation mechanism of droplets in the cyclone reactor for ionic liquid alkylation.
| Title: | The motion and separation mechanism of droplets in the cyclone reactor for ionic liquid alkylation. |
|---|---|
| Authors: | Bi, Jinghe, Li, Xinhao, Li, Fajian, Xu, Xiaogang, Lai, Jiaxiang, Zhu, Liyun, Wang, Zhenbo |
| Source: | Canadian Journal of Chemical Engineering; Aug2026, Vol. 104 Issue 8, p4492-4505, 14p |
| Subject Terms: | Computational fluid dynamics, Separation (Technology), Machine separators, Fluid dynamics, Liquid-liquid extraction, Drop size distribution |
| Abstract: | The light‐phase separation efficiency is capped at 90% in the liquid–liquid cyclone reactor (LLCR), and the migration and separation of droplets are essential for elucidating the separation mechanism and addressing the limitations. The computational fluid dynamics–population balance model coupled model was applied to investigate the droplet motion in the cyclone reactor. The motion pattern of the droplets based on the radial forces was summarized, and the effect of the operating parameters on the droplet separation was investigated. The results show that a stable envelope of zero radial acceleration exists in the cone section of the LLCR. The LLCR can be divided into decelerated separation zone (Zone DS) and accelerated separation zone (Zone AS) based on the envelope. Light‐phase separation failure occurs through two mechanisms: strong coercive effects from the heavy phase in zone DS and prolonged settling times in zone AS. The settling time is effectively inhibited with the increase of feed ratio, overflow ratio and inlet flow rate. Nevertheless, the entrapment of the heavy phase is enhanced with the increase of feed ratio and inlet flow rate. Thus, the best separation of the light phase occurs at F = 0.55, E = 1.00, Q = 3.5 m3/h, with a separation efficiency of 92.58%. [ABSTRACT FROM AUTHOR] |
| Copyright of Canadian Journal of Chemical Engineering is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Complementary Index |
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| Items | – Name: Title Label: Title Group: Ti Data: The motion and separation mechanism of droplets in the cyclone reactor for ionic liquid alkylation. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Bi%2C+Jinghe%22">Bi, Jinghe</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+Xinhao%22">Li, Xinhao</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+Fajian%22">Li, Fajian</searchLink><br /><searchLink fieldCode="AR" term="%22Xu%2C+Xiaogang%22">Xu, Xiaogang</searchLink><br /><searchLink fieldCode="AR" term="%22Lai%2C+Jiaxiang%22">Lai, Jiaxiang</searchLink><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Liyun%22">Zhu, Liyun</searchLink><br /><searchLink fieldCode="AR" term="%22Wang%2C+Zhenbo%22">Wang, Zhenbo</searchLink> – Name: TitleSource Label: Source Group: Src Data: Canadian Journal of Chemical Engineering; Aug2026, Vol. 104 Issue 8, p4492-4505, 14p – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Computational+fluid+dynamics%22">Computational fluid dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Separation+%28Technology%29%22">Separation (Technology)</searchLink><br /><searchLink fieldCode="DE" term="%22Machine+separators%22">Machine separators</searchLink><br /><searchLink fieldCode="DE" term="%22Fluid+dynamics%22">Fluid dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Liquid-liquid+extraction%22">Liquid-liquid extraction</searchLink><br /><searchLink fieldCode="DE" term="%22Drop+size+distribution%22">Drop size distribution</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The light‐phase separation efficiency is capped at 90% in the liquid–liquid cyclone reactor (LLCR), and the migration and separation of droplets are essential for elucidating the separation mechanism and addressing the limitations. The computational fluid dynamics–population balance model coupled model was applied to investigate the droplet motion in the cyclone reactor. The motion pattern of the droplets based on the radial forces was summarized, and the effect of the operating parameters on the droplet separation was investigated. The results show that a stable envelope of zero radial acceleration exists in the cone section of the LLCR. The LLCR can be divided into decelerated separation zone (Zone DS) and accelerated separation zone (Zone AS) based on the envelope. Light‐phase separation failure occurs through two mechanisms: strong coercive effects from the heavy phase in zone DS and prolonged settling times in zone AS. The settling time is effectively inhibited with the increase of feed ratio, overflow ratio and inlet flow rate. Nevertheless, the entrapment of the heavy phase is enhanced with the increase of feed ratio and inlet flow rate. Thus, the best separation of the light phase occurs at F = 0.55, E = 1.00, Q = 3.5 m3/h, with a separation efficiency of 92.58%. [ABSTRACT FROM AUTHOR] – Name: Abstract Label: Group: Ab Data: <i>Copyright of Canadian Journal of Chemical Engineering is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1002/cjce.70324 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 14 StartPage: 4492 Subjects: – SubjectFull: Computational fluid dynamics Type: general – SubjectFull: Separation (Technology) Type: general – SubjectFull: Machine separators Type: general – SubjectFull: Fluid dynamics Type: general – SubjectFull: Liquid-liquid extraction Type: general – SubjectFull: Drop size distribution Type: general Titles: – TitleFull: The motion and separation mechanism of droplets in the cyclone reactor for ionic liquid alkylation. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Bi, Jinghe – PersonEntity: Name: NameFull: Li, Xinhao – PersonEntity: Name: NameFull: Li, Fajian – PersonEntity: Name: NameFull: Xu, Xiaogang – PersonEntity: Name: NameFull: Lai, Jiaxiang – PersonEntity: Name: NameFull: Zhu, Liyun – PersonEntity: Name: NameFull: Wang, Zhenbo IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 08 Text: Aug2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 00084034 Numbering: – Type: volume Value: 104 – Type: issue Value: 8 Titles: – TitleFull: Canadian Journal of Chemical Engineering Type: main |
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