Static Optimization of the Process of Separation of Marketable Ethylene from Pyrolysis Products in a Multi-Column Rectification Unit

IF 0.7 4区 工程技术 Q4 ENGINEERING, CHEMICAL Theoretical Foundations of Chemical Engineering Pub Date : 2024-12-16 DOI:10.1134/S0040579524700799
V. P. Krivosheev, A. A. Tumaev, I. M. Efimov, P. V. Sitnik
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Abstract

In the article the method of stage-by-stage optimization of static regimes of rectification columns in five-column system of separation of marketable ethylene from pyrolysis products is considered. The essence of the method is to calculate each of the columns of the system by a private problem in the form of maximizing the flow rate of the product stream, carrying in ethylene of a given concentration. Concentrations of ethylene in product streams of columns, except for given concentration in outlet stream, have been determined by simulation to obtain convergence of static mode calculation of system in given range of supply rate variation. Upon completion of the calculation, the total heat consumption for all columns of the unit and the specific heat consumption for the finished product are calculated.

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静态优化多柱精馏装置中从热解产品中分离可销售乙烯的过程
文章考虑了从热解产品中分离可销售乙烯的五柱系统中整流塔静态状态的逐级优化方法。该方法的基本原理是通过一个私人问题来计算系统中的每一个塔,该问题的形式是最大化产品流的流速,产品流中含有给定浓度的乙烯。除出口流中的给定浓度外,各柱产品流中的乙烯浓度都是通过模拟确定的,以便在给定的供应率变化范围内获得系统静态模式计算的收敛性。计算完成后,将计算出装置所有塔的总耗热量和成品的比耗热量。
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来源期刊
CiteScore
1.20
自引率
25.00%
发文量
70
审稿时长
24 months
期刊介绍: Theoretical Foundations of Chemical Engineering is a comprehensive journal covering all aspects of theoretical and applied research in chemical engineering, including transport phenomena; surface phenomena; processes of mixture separation; theory and methods of chemical reactor design; combined processes and multifunctional reactors; hydromechanic, thermal, diffusion, and chemical processes and apparatus, membrane processes and reactors; biotechnology; dispersed systems; nanotechnologies; process intensification; information modeling and analysis; energy- and resource-saving processes; environmentally clean processes and technologies.
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