Modeling and Modernization of Tray Towers for Reactive Distillation Processes

Лаптев, А. Г.; Карпеев, С. В.; Лаптева, Е. А.

doi:10.1134/s0040579518010098

Theor Found Chem Eng

2018

DOI: 10.1134/s0040579518010098

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Modeling and Modernization of Tray Towers for Reactive Distillation Processes

А. Г. Лаптев

С. В. Карпеев

Е. А. Лаптева

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Cited by 6 publications

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Digital twin technology and ergonomics for comprehensive improvement of safety in the petrochemical industry

Jia,

Wang,

et al. 2024

Process Safety Progress

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In order to improve the safety performance of the complete industrial chain, the petrochemical industry is in urgent need of digitalization and modernization. Considering two types of safety issues, namely safety hazards originating from non‐human and human sources, this paper proposes two solutions. Digital twin technology provides an effective way for the integration of the physical and information worlds through bidirectional real mapping and real‐time interaction between physical and virtual production lines, which can meet the high requirements of safety, stability, and continuity in the production process. On the other hand, micro‐ergonomics improves human–machine interaction, enhances comfort and work efficiency, and reduces negative emotions and the prevalence of musculoskeletal disorders; macro‐ergonomics and health, safety, environment, and ergonomics (HSEE) concepts take into account the human factor to maximize work efficiency and reduce the rate of injuries, morbidity, and accidents at work.

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Digital twin technology and ergonomics for comprehensive improvement of safety in the petrochemical industry

Jia,

Wang,

et al. 2024

Process Safety Progress

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Simulation of the process of rectification with the account of longitudinal diffusion

Голованчиков

Prokhorenko

Шибитова

et al. 2019

J. Phys.: Conf. Ser.

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Based on the differential equations of material balance and mass transfer, taking into account the longitudinal mixing of the boiling solution, the formulas of the working lines of the reinforcing and exhaustive parts of the packed distillation column, the concentration profiles along the nozzle height, and the algorithm for calculating the height of the nozzle are proposed.The equations of the working lines of the reinforcing and exhaustive parts of the distillation column are analytically derived, taking into account the longitudinal diffusion, which, when the longitudinal diffusion number or the longitudinal diffusion coefficient, is transformed into the known equations of the working lines for the flow patterns of ideal displacement in both phases. Analytically, on the basis of the differential equations of material balance, the equations of working lines and mass transfer in a rectifying column for binary mixtures with allowance for longitudinal diffusion are derived. It is shown that in its absence, when the flow structure for both phases corresponds to an ideal displacement, that is, the Peclet number of longitudinal diffusion, and the longitudinal diffusion coefficient itself, the resulting equations of working lines and mass transfer become known equations for the reinforcing and exhaustive parts of the column. Comparative examples of calculations for typical structures of the ideal displacement flow and for derived equations that take into account longitudinal diffusion for the binary mixture “ethyl alcohol-ethyl alcohol” are given.

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Mechanism of the Intensification of a Heterogeneous Reduction Reaction with the Liberation of Gas Bubbles

Мешалкин

Panchenko

Дли

et al. 2020

Theor Found Chem Eng

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Modeling and Modernization of Tray Towers for Reactive Distillation Processes

Cited by 6 publications

References 6 publications

Digital twin technology and ergonomics for comprehensive improvement of safety in the petrochemical industry

Digital twin technology and ergonomics for comprehensive improvement of safety in the petrochemical industry

Simulation of the process of rectification with the account of longitudinal diffusion

Mechanism of the Intensification of a Heterogeneous Reduction Reaction with the Liberation of Gas Bubbles

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