A micro-capillary jetting technology for liquid-liquid microdispersion with narrow size distribution

Shang, Qichen; Sheng, Lin; Gu, Daiwei; Deng, Jian; Luo, Guangsheng

doi:10.1016/j.cej.2024.153269

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.153269

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A micro-capillary jetting technology for liquid-liquid microdispersion with narrow size distribution

Qichen Shang,

Lin Sheng,

Daiwei Gu

et al.

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Cited by 3 publications

References 37 publications

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Experimental study and numerical simulation of liquid–liquid dispersions in micro‐impinging jet mixers

Wu,

Chen,

Fan

et al. 2024

AIChE Journal

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This study investigates the turbulent two‐phase dispersion of toluene‐water in micro‐impinging jet (MIJ) mixers using both experimental and numerical methods. We employ computational fluid dynamics combined with the population balance model (CFD‐PBM) to predict the mean droplet size (d32) and droplet size distribution (DSD). The numerical predictions align well with the experimental results. The liquid–liquid dispersion in the MIJ mixer is a two‐step process, each step governed by the velocity ratio (r) and Reynolds number (Rej), respectively. By increasing the volume flow rate (Q) and r, or by reducing the diameter of the outlet orifice of mixing chamber (Do), the dispersion process can be intensified. This leads to the production of smaller droplets with a narrow DSD within a millisecond timeframe. Additionally, we propose a correlation for d32 that accurately describes the two‐step dispersion process of the mixer, providing a reliable guide for the design and optimization of liquid–liquid systems.

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Experimental study and numerical simulation of liquid–liquid dispersions in micro‐impinging jet mixers

Wu,

Chen,

Fan

et al. 2024

AIChE Journal

View full text Add to dashboard Cite

show abstract

Regulation of the size and flow pattern of yield stress droplets in flow-focused microchannels by orifice constraints

Duan,

Yuan,

Chen

2024

Chemical Engineering Science

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A microsystem based on micro-capillary jetting for intensifying countercurrent extraction with high phase ratio

Shang,

Chang,

Wang

et al. 2025

Separation and Purification Technology

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A micro-capillary jetting technology for liquid-liquid microdispersion with narrow size distribution

Cited by 3 publications

References 37 publications

Experimental study and numerical simulation of liquid–liquid dispersions in micro‐impinging jet mixers

Experimental study and numerical simulation of liquid–liquid dispersions in micro‐impinging jet mixers

Regulation of the size and flow pattern of yield stress droplets in flow-focused microchannels by orifice constraints

A microsystem based on micro-capillary jetting for intensifying countercurrent extraction with high phase ratio

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