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Academic literature on the topic 'BINARY DISTILLATION COLUMN'

Author: Grafiati
Published: 11 September 2023

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Journal articles on the topic "BINARY DISTILLATION COLUMN"

1

P, Akhila. "Mathematical Modelling of Binary Distillation Column for Petrochemical Industries." International Journal for Research in Applied Science and Engineering Technology 10, no. 8 (2022): 926–31. http://dx.doi.org/10.22214/ijraset.2022.46309.

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Abstract: Distillation is a method of separating mixtures based on differences in volatility of components in a boiling liquid mixture. It is defined as a process in which a liquid or vapour mixture of two or more substance is separated in to component fractions of desired purity by the application and removal of heat. In this work importance is given to Binary distillation columns. In the Binary Distillation, the feed to the process consist of mixture of two components (A & B) and after the distillation two products will be generated. It is very important to model a distillation column and perform its analysis before the distillation column is practically implemented. Distillation columns are generally considered as chemical systems, for modelling chemical systems one can use mass balance equations
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2

Raeva, V. M., and D. I. Sukhov. "SELECTION OF EXTRACTIVE AGENTS FOR THE SEPARATION OF CHLOROFORM - METHANOL - TETRAHYDROFURAN MIXTURE." Fine Chemical Technologies 13, no. 3 (2018): 30–40. http://dx.doi.org/10.32362/24106593-2018-13-3-30-40.

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Variants of the extractive distillation of chloroform - methanol - tetrahydrofuran equimolar mixture with industrial separating agents are considered. The basic system shows opposite deviations from the ideal behavior, because it contains binary azeotropes with minimum and maximum boiling points (3.3.1-4 system according to Serafimov’s classification). The choice of selective substances for extractive distillation was carried out taking into account the concentration dependences of the excess molar Gibbs energy of the binary constituents of the derivative system “chloroform - methanol - tetrahydrofuran - industrial test agent (ethylene glycol (EG), dimethyl sulfoxide (DMSO), N-methylpyrrolidone (N-MP))” at 101.32 kPa. Based on the results of the evaluation of the thermodynamic criterion, DMSO and N-MP are recommended. Both agents show selective effect when separating two binary constituents. EG is selective only with respect to chloroform-tetrahydrofuran mixture. Since the tested agents show different selective effects, the final agent choice determines the qualitative composition of the product flows in the column for the extractive distillation of the three-component mixture (the first column of the flowsheet) and, accordingly, the structure of the total flowsheet. The schemes consist of two two-column complexes for extractive distillation (for the basic three-component mixture and for the binary mixture). The maximum contribution to the total reboiler energy consumption of the distillation columns is made by the first extractive distillation column: 65% (EG), 53% (N-MP) and 24% (DMSO). The use of the most selective agent reduces the energy consumption of this column: the reboiler load is maximal in the case of EG, in comparison with which the load is 47% lower in the case of N-MP and 76% lower in the case of DMSO.
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3

URIBE, LEOPOLDO BÁRCENAS, and JOAQUÍN ALVAREZ GALLEGOS. "Identification of a binary distillation column." International Journal of Systems Science 17, no. 2 (1986): 295–304. http://dx.doi.org/10.1080/00207728608926804.

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4

Alekseev, К. А., S. M. Kirichenko, А. V. Rakov, et al. "An Approach to Stabilize the Composition of Heavy Vacuum Gas Oil in the Production of Lubricating Oils." Chemistry and Technology of Fuels and Oils 630, no. 2 (2022): 8–13. http://dx.doi.org/10.32935/0023-1169-2022-630-2-8-13.

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A heavy vacuum gas oil separation unit was developed and implemented at an industrial enterprise with a stabilized composition. The technical solutions, the selected equipment and the results of the installation operation are described. On a laboratory model of a distillation column, experiments were made to develop technological conditions. In calculations of an industrial column with a new regular packing applied previously developed mathematical model of multicomponent distillaton. The mixture is represented as pseudo-binary in terms of fractions. In addition, software packages for plate-by-plate calculation of the column. The selection of the main and auxiliary equipment of the industrial vacuum distillation plant was carried out.
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5

Zbytovský, Jiří, Tomáš Sommer, Martin Zapletal, and Jiří Trejbal. "Comparison of various column packing materials efficiency for hydrocarbons and aqueous mixtures." Chemical & biochemical engineering quarterly 33, no. 2 (2019): 183–90. http://dx.doi.org/10.15255/cabeq.2018.1565.

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The efficiency of industrial column packings is commonly tested by standard hydrocarbon mixtures. However, a reduced efficiency value is often observed, particularly during distillation of aqueous mixtures. In this paper, distillation experiments with various binary mixtures were carried out on different column packings to evaluate relative separation efficiencies of mixtures for each packing material. Each of the binary mixtures, which comprised heptane–methylcyclohexane, ethanol–water, morpholine–water, and acetic acid–water, was distilled under atmospheric pressure and total reflux ratio on column packings that were made of PTFE, ceramic, zirconium metal, and inox steel 316. According to the results, aqueous solutions of morpholine and acetic acid generally exhibited low relative separation efficiency (in comparison with standard mixture of heptane–methylcyclohexane), ranging between 40 % and 80 %. The highest relative efficiencies were observed with packings made of steel and ceramic. These observations will be useful for the future design of distillation columns, especially for aqueous solutions.
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6

Zakharov, Mikhail K., Yuri A. Pisarenko, and Oksana I. Sycheva. "COMPARISON OF ENERGY SAVING METHODS FOR DISTILLATION OF LIQUID MIXTURES." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 64, no. 1 (2020): 85–92. http://dx.doi.org/10.6060/ivkkt.20216401.6141.

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The analysis and review of the scientific literature on methods and approaches to energy saving in distillation, as one of the most energy-intensive processes for the separation of binary and multicomponent mixtures was carried out. Directions of the scientific literature are highlighted, showing the relevance of the thermodynamic method assessment of separation processes. A comparative analysis of various methods of energy conservation in the separation of liquid binary mixtures by the distillation method is performed (a binary mixture of benzene-toluene was chosen as an example). A conventional distillation column as well as a column with a heat pump and a column with heat integration were considered. As a result of the calculation experiment for each option performed using the Aspen Plus software package the optimal column parameters were determined - the total number of stages and the position of feed stage. The heat consumption in the column boiler was taken as the objective function. It is also shown that with the same characteristics of the columns, the best way to organize the process for separating the selected mixture is to compress the steam stream from rectifying profile of the column with its subsequent use in the boiler of the stripping profile according to the principle of a heat pump. It was established by a calculation experiment that heat integration by compressing steam from rectifying profile of the column and supplying it to the stripping profile gives significantly less energy saving. The calculation of internal energy saving by distillation column was carried out and it was shown that the distributed heat removal from the plates of the rectifying profile of the column and the supply of this heat to the stripping profile plates reduces internal energy saving and leads to an additional increase in heat consumption in the boiler.
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7

Zakharov, Mikhail K., Yuri A. Pisarenko, and Oksana I. Sycheva. "COMPARISON OF ENERGY SAVING METHODS FOR DISTILLATION OF LIQUID MIXTURES." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 64, no. 1 (2020): 85–92. http://dx.doi.org/10.6060/ivkkt.20216401.6141.

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Abstract:
The analysis and review of the scientific literature on methods and approaches to energy saving in distillation, as one of the most energy-intensive processes for the separation of binary and multicomponent mixtures was carried out. Directions of the scientific literature are highlighted, showing the relevance of the thermodynamic method assessment of separation processes. A comparative analysis of various methods of energy conservation in the separation of liquid binary mixtures by the distillation method is performed (a binary mixture of benzene-toluene was chosen as an example). A conventional distillation column as well as a column with a heat pump and a column with heat integration were considered. As a result of the calculation experiment for each option performed using the Aspen Plus software package the optimal column parameters were determined - the total number of stages and the position of feed stage. The heat consumption in the column boiler was taken as the objective function. It is also shown that with the same characteristics of the columns, the best way to organize the process for separating the selected mixture is to compress the steam stream from rectifying profile of the column with its subsequent use in the boiler of the stripping profile according to the principle of a heat pump. It was established by a calculation experiment that heat integration by compressing steam from rectifying profile of the column and supplying it to the stripping profile gives significantly less energy saving. The calculation of internal energy saving by distillation column was carried out and it was shown that the distributed heat removal from the plates of the rectifying profile of the column and the supply of this heat to the stripping profile plates reduces internal energy saving and leads to an additional increase in heat consumption in the boiler.
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8

CHEKARI, Tassadit, Rachid MANSOURI, and Maamar BETTAYEB. "IMC-PID-FOF Multi-loop controller design for Binary Distillation Column." Algerian Journal of Signals and Systems 7, no. 1 (2022): 13–20. http://dx.doi.org/10.51485/ajss.v7i1.155.

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This paper deals with the fractional order multi-loop controller design for a distillation column. The idea is a generalization of the IMC-PID-FOF controller design method developed for monovariable systems to the distillation column model which is multivariable. The principle is based on the IMC paradigm and the choice of appropriate control configuration with minimum of interactions. The proposed method is illustrated with an example of a distillation column model taken from the literature.
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9

Papastathopoulou, Heleni S., and William L. Luyben. "Control of a binary sidestream distillation column." Industrial & Engineering Chemistry Research 30, no. 4 (1991): 705–13. http://dx.doi.org/10.1021/ie00052a013.

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10

Peréz-Gallegos, Iván, Victor M. Rivera, Eliseo Hernandez-Martinez, and Claudio B. Arroyo. "Integration of design and control for distillation columns through dynamic optimization." Memorias del Congreso Nacional de Control Automático 5, no. 1 (2022): 469–73. http://dx.doi.org/10.58571/cnca.amca.2022.088.

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In this work, a methodology for the integration of design and control methods for distillation columns through dynamic optimization tools is proposed. For this, a dynamic model of the distillation column that can be adapted to different mixtures (binary and multicomponent) is established. The proposal focuses on defining an objective function to simultaneously maximize the performance in the mixture separation under the lowest energy consumption. The design variables (i.e., number of trays and feeding stage), as well as the controller parameters, are considered as decision variables. The results obtained show that it is possible to improve the overall performance of the distillation column, compared to traditional strategies.
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