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- W4288069695 abstract "This work presents a model for the prediction of the separation efficiency of packed columns filled with structured metal sheet packings and stacked packings of different materials and types for distillation and absorption processes. For model validation, packings of sheet metal, ceramic and plastic of various shapes and sizes such as Mellapak, Montz-Pack, Gempak, Ralu-Pak, metal and ceramic Impulse packing IP50 and IP100 and various other types of regularly arranged packings such as 50 mm ceramic Pall rings, 25 and 50 mm metallic Białecki rings, 50 mm PSL rings made of metal and 50 mm plastic Hiflow were investigated using absorption and distillation test systems under low pressure and atmospheric conditions in columns with diameters ranging between 0.15 and 0.60 m. The model was validated in the operating range below the flooding line for F V 0.90 F V,Fl and for turbulent liquid flow Re L ≥ 2. The comparison of the predicted values with measured data presented in this work has confirmed that the presented model is suitable for determining the separation efficiency not only for sheet metal structured packing, but also for regularly arranged stacked packings filled with packing commonly used as random packing for absorption and distillation systems under vacuum and normal pressure. The calculation example shows also the application of the presented model for predicting the separation efficiency n t /H of sheet metal packings and stacked packings with a specific packing area a from 60 up to 500 (750) m²/m³ for distillation processes under low and normal pressure. • A model for separation efficiency for structured and stacked packing is derived. • The model was validated using distillation and absorption test systems. • The model is valid up to a relative gas load of 90% of flooding for ReL ≥ 2. • The channel angle of a packing does not influence liquid phase mass transfer." @default.
- W4288069695 created "2022-07-28" @default.
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- W4288069695 date "2022-10-01" @default.
- W4288069695 modified "2023-10-13" @default.
- W4288069695 title "Prediction of separation efficiency of structured and stacked packings under low and normal pressure" @default.
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- W4288069695 doi "https://doi.org/10.1016/j.cherd.2022.07.016" @default.
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