Experts, please analyze why the solvent loss has increased

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This post was last edited by kinghuatan on 2009-9-3 at 15:21. Since using ASPNE for absorption proved to be difficult in terms of convergence, ChemCAD was used instead, and the convergence speed was very fast! ÷ But now here’s the problem: in the first diagram, desorption occurs at atmospheric pressure, with cyclic absorption (from the top of the tower), resulting in a solvent loss of 3 kg/h (as shown in Figure 1). In the second diagram, partial desorption at atmospheric pressure (2/3) takes place from 10 trays, while partial vacuum desorption (1/3) occurs from the top of the tower; in this case, the solvent loss is as high as 16 kg/h. (See Figure 2) Could it be that the excessive gas flow rate is causing excessive liquid mist entrainment? ? Please ask an expert to help analyze it for me, thank you! Ugh, why can’t I upload pictures? It’s only possible to upload them to Namipan. Image 1: http://d.namipan.com/d/d6ac28d44d4319b4a0485c4d3713ffd555c25c19b0760000 Image 2: http://d.namipan.com/d/f15699b7b1f96ac164b98c3aa03f2200b82cb27550850000