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<p>The paper presents the experimental testing of a high-capacity centrifugal tray on a pilot-scale industrial unit during rectification of a toluene–ortho-xylene mixture at a pressure of 0.15 MPa. The tests were carried out in two operating modes: total reflux and pump-around reflux. Analysis of the experimental data showed that the capacity of the centrifugal tray is 2–3 times higher than that of any bubble tray, while the separation efficiency over a wide load range reaches 90–95%. The heat transfer coefficient at the contacting element ranges from 7,000 to 20,000 kcal/(h·°C). Field trials of centrifugal trays were conducted in crude oil processing units, amine absorbers for H<sub>2</sub>S and CO<sub>2</sub> removal, and in an ethylene plant, confirming their high throughput and separation efficiency.</p>

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Investigation of Hydrodynamics and Mass Transfer on High-Capacity Centrifugal Trays

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • Yu. N. Lebedev

摘要

The paper presents the experimental testing of a high-capacity centrifugal tray on a pilot-scale industrial unit during rectification of a toluene–ortho-xylene mixture at a pressure of 0.15 MPa. The tests were carried out in two operating modes: total reflux and pump-around reflux. Analysis of the experimental data showed that the capacity of the centrifugal tray is 2–3 times higher than that of any bubble tray, while the separation efficiency over a wide load range reaches 90–95%. The heat transfer coefficient at the contacting element ranges from 7,000 to 20,000 kcal/(h·°C). Field trials of centrifugal trays were conducted in crude oil processing units, amine absorbers for H2S and CO2 removal, and in an ethylene plant, confirming their high throughput and separation efficiency.