A rotating packed bed and system based on hydrophilic-hydrophobic combined packing

Abstract

The invention provides a rotary packed bed and system based on hydrophilic-hydrophobic combined fillers. The hydrophobic filler and the hydrophilic filler are combined to form a combined filler. When the filler cuts the liquid, the hydrophobic filler can fully disperse the liquid so that the liquid is dispersed in the filler area. More uniform, the wettability of the hydrophilic filler makes the liquid fully spread, increases the wetting fraction of the filler, and can achieve different mixing effects through a reasonable combination, because the number of hydrophilic filler layers and hydrophobic filler layers in the combined filler is limited , which can avoid the phenomenon of liquid droplet coalescence in a single hydrophobic packing area and the phenomenon of reducing liquid turbulence in a single hydrophilic packing area. The negative effects of hydrophilicity can be alleviated or offset by hydrophobicity. At the same time, the negative impact of hydrophobicity can be alleviated or offset by hydrophilicity, so the application of hydrophilic-hydrophobic combined packing in the rotating packed bed can further improve its mass transfer and mixing performance.

Description

technical field

[0001] The invention relates to the technical field of reactors, and more specifically, to a rotating packed bed and system based on hydrophilic-hydrophobic combined packing. Background technique

[0002] Packing is the core structure of the high-gravity rotating bed, and it is also one of the key factors affecting the mass transfer and mixing of the rotating packed bed. The structure, material, and surface properties of the filler will affect the dispersion of the liquid in the rotating bed, the size of the droplet, the thickness of the liquid film, and the pressure drop, which will further affect the mass transfer and mixing process of the high-gravity rotating bed. Therefore, in order to further optimize the mass transfer and mixing performance of the rotating packed bed, it is particularly important to study the packing structure, material and surface properties of the rotating packed bed. At present, for the application of hydrophilic materials or hydro...

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