Relevant bibliographies by topics / CHEMCAD

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  1. Journal articles

Academic literature on the topic 'CHEMCAD'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 May 2022

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Journal articles on the topic "CHEMCAD"

1

Wang, Xiao Guang, and Yue Yun Yang. "Auxiliary of ChemCAD in Chemical Engineering Design." Advanced Materials Research 347-353 (October 2011): 3750–53. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.3750.

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ChemCAD was applied to the simulation of distillation, and SCDS was used as a platform. to simulate distillation of benzene rectifying, obtaining the simulation result and the impact of operating parameters were analyzed to select the appropriate distillation conditions. Providing theoretical instructions for engineering design, and optimizing operations.
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2

Nurislamov, R. M., A. Z. Abilmagzhanov, N. R. Kenzin, A. N. Nefedov, and A. K. Akurpekova. "USING THE CHEMCAD COMPLEX TO SIMULATE REFINING PROCESSES." REPORTS OF THE NAS RK 6, no. 340 (2021): 147–53. http://dx.doi.org/10.32014/2021.2518-1483.123.

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3

Поджарский, Михаил А., та Анатолий М. Нестеров. "МОДЕЛЮВАННЯ ТЕХНОЛОГІЧНОГО ПРОЦЕСУ ОКИСНЕННЯ ДІОКСИДУ СІРКИ З ВИКОРИСТАННЯМ ПРОГРАМИ CHEMCAD". Journal of Chemistry and Technologies 29, № 4 (2022): 570–79. http://dx.doi.org/10.15421/jchemtech.v29i4.244347.

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Очищення технологічних газів, насамперед продуктів нафтогазодобування, від сірковмісних сполук з перетворенням останніх на сірчану кислоту методом мокрого каталізу – один з затребуваних виробничих процесів. Мета цієї роботи – розробка способу розрахунку найбільш складного апарату даної технології – контактного апарату для окислення діоксиду сірки – з використанням програми CHEMCAD. Досліджена поведінка моделі процесу окислення SO2 у п'ятиполичному контактному апараті. Запропоновано спосіб розрахунку засобами CHEMCAD лінії оптимальних температур для окислення SO2 і показаний зроблений на його основі графічний розрахунок схеми процесу контактування. Результати цієї роботи можна використати для розробки методики розрахунку контактних апаратів для окислення SO2 в інтересах перспективного проектування.
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4

Mysov, Oleg, Igor Levchuk, Kseniia Fesenko, Mariia Savchenko, and Olena Gnatko. "DEVELOPMENT OF A COMPUTER MODEL FOR OBTAINING A SOLUTION OF COPPER SULFATE ADAPTED FOR SOLVING CONTROL PROBLEMS." HERALD OF KHMELNYTSKYI NATIONAL UNIVERSITY 299, no. 4 (2021): 59–66. http://dx.doi.org/10.31891/2307-5732-2021-299-4-59-66.

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Copper sulfate is an inorganic compound that is currently widely used in the chemical industry, medicine and agriculture. When developing systems for automated control of the process of obtaining copper sulfate, there is a need for simple, high-speed and at the same time accurate mathematical models that are used both in improving algorithms for optimal control of this process, and in developing operator interfaces and debugging control algorithms. At the same time, the development of full-fledged mathematical models of technological processes is a very laborious task that requires significant material and time costs. The subject of study in the article is a computer model of the process of obtaining a solution of copper sulfate, implemented in the software environment of the universal modeling program ChemCAD. The aim of the work is to develop in a software environment a universal modeling program ChemCAD, a computer model of the process of obtaining a solution of copper sulphate, adapted for solving problems of control and integration into modern SCADA systems. Objectives: to develop a computer model of the process of obtaining a solution of copper sulfate in the ChemCAD simulation program; explore the process using a computer model, get graphical dependencies that describe the main technological parameters of the process; perform a comparative analysis of the data obtained by calculation with the experimental data of the laboratory setup and draw a conclusion about the functionality of the developed computer model; adapt the computer model to solve the control problem and develop the principles of two-way information exchange of the computer model based on OPC technology with the modern SCADA system TRACE-MODE 6. The methods used are: computer modeling of technological processes; OPC technology; SCADA. Conclusions: the novelty of the results obtained is as follows. In the ChemCAD software environment, a computer model of the process of obtaining a solution of copper sulfate has been developed, adapted for solving control problems and integration into existing SCADA systems. The principles and structure of two-way information exchange of a computer model with external control programs based on OPC technology have been developed.
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5

Pérez Sánchez, Amaury, José G. Baltá García, Jesús R. Montalván Viart, Elizabeth Ranero González, and Eddy J. Pérez Sánchez. "Simulation of the ethylene oxide production process in ChemCAD® simulator." Revista de Ciencia y Tecnología, no. 37 (May 10, 2022): 15–31. http://dx.doi.org/10.36995/j.recyt.2022.37.002.

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Ethylene oxide is an important industrial chemical compound used as an intermediate in the production of glycols and other plastics. In the present work, the process of ethylene oxide (EO) production from the catalytic oxidation of ethylene was simulated using the ChemCAD® simulator. Heat curves were obtained for each of the shell and tube heat exchangers used, while the flow rate and composition of the most important streams involved in the production process were determined. A sensitivity study was also carried out to establish the influence of a decrease in the feed temperature of the wash water to the absorbers on the amount of EO to be obtained in the distillation column. 22,163.5 kg/h of EO is obtained from the top of the distillation column with a purity of 98.29 %. The wash water should be fed to the absorbers at a temperature of 5 ºC to maximise the amount of EO to be obtained in the distillation column.
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6

Wang, Xiao Guang, and Yue Yun Yang. "Simulation of Reactive Distillation Process with ChemCAD Software." Advanced Materials Research 347-353 (October 2011): 3706–9. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.3706.

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The concepts and application of reactive distillation process were introduced, SCDS was used as a platform was applied to the simulation of reactive distillation of acetic acid and ethanol, and the usage principles and methods of simulated reaction in ChemCAD were introduced. Simulation results and experimental data agreed satisfactorily. It has certain directive significance to real production.
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7

James, C., M. Armstrong, G. Washington, and A. Biaglow. "Consistency of thermodynamic properties from CHEMCAD process simulations." Chemical Data Collections 27 (June 2020): 100371. http://dx.doi.org/10.1016/j.cdc.2020.100371.

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8

Levchuk, І., O. Mysov, and К. Fesenko. "Modeling of acetylene synthesis process in ChemCAD and features of SCADA connection using OPC technology." Computer Modeling: Analysis, Control, Optimization 8, no. 2 (2020): 34–40. http://dx.doi.org/10.32434/2521-6406-2020-8-2-34-40.

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The article examines the features of constructing mathematical models in modern universal modeling programs and their further use using OPC technology in control systems for processes of chemical technology based on SCADA systems. The objective is to study the features of information exchange using OPC technology between the universal ChemCAD simulator and the modern SCADA system TRACE-MODE 6 using the example of a mathematical model of a kinetic reactor for the synthesis of acetylene. To achieve this goal, a mathematical model of a kinetic reactor for the synthesis of acetylene based on a model of a continuous stirring reactor has been developed in the ChemCAD simulation software environment. The reactor was tuned and the parameters of material flows were experimentally selected. A study of the process of synthesis of acetylene was carried out according to a mathematical model, a graphical dependence of the yield of acetylene on temperature was obtained and its analysis was carried out, according to the results of which the temperature providing the maximum yield of acetylene was established. With the help of OPC technology, information exchange between the model and the control system of the acetylene synthesis process is carried out, which is based on the modern SCADA system TRACE-MODE 6. A graphical dependence is obtained describing the transient process of the system through the acetylene output channel when using a PID controller and perturbing with a change in the task. The analysis of the transient process revealed the absence of transport lag, which is explained by the calculated nature of the control object and is impossible for a real technological process. To solve the problem, an experiment was carried out, according to the results of which a method for emulating transport lag using the functionality of the information channels of the SCADA system was proposed. The graph of the transient process of the system through the acetylene outlet channel was obtained, which confirms the effectiveness of the proposed method of emulation of transport delay when using external calculation models in SCADA systems. Keywords: mathematical modeling, universal modeling programs, OPC, control systems, SCADA-based control, TRACE-MODE, ChemCAD.
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9

Wibowo, Agung Ari, Mufid Mufid, Asalil Mustain, Rizqy Romadhona Ginting, and Dhoni Hartanto. "Reparameterization of Binary Interaction Parameters For Gamma-Valerolactone Purification Process." Jurnal Teknik Kimia dan Lingkungan 6, no. 1 (2022): 44. http://dx.doi.org/10.33795/jtkl.v6i1.286.

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Selain produksi biodiesel, bioetanol, biometana dan biohidrogen dari sumber terbarukan, gamma-valerolactone (GVL) muncul sebagai bahan bakar terbarukan potensial lainnya yang dapat diproduksi dari biomassa. GVL menunjukkan karakteristik yang sesuai sebagai sumber energi cair berkelanjutan yang menjanjikan. Dlaam kegiatan produksi GVL murni jumlah besar pastinya melibatkan proses pemisahan/ pemurnian, salah satunya adalah distilasi. Dalam perancangan proses distilasi diperlukan data kesetimbangan Uap – Cair (VLE), dan untuk akurasi perancangan biasanya digunakakan software simulasi proses seperti ChemCAD. Dalam penelitian ini, data VLE yang tersedia akan direparamterisasi sehingga bisa digunakan sebagai parameter model thermodinamika di Software ChemCAD. Pada penelitian ini dilakukan reparemeterisasi parameter interaksi biner (BIP) model NRTL untuk data VLE komponen yang terlibat dalam produksi GVL dari literature yang tersedia. Kemudian BIP hasil reparemterisasi digunakan untuk analisis sensitivitas pada shortcut kolom distilasi. Hasil analisis sensitivitas menunjukan bahwa perubahan suhu umpan berpengaruh terhadap konvigurasi kolom, tetapi tidak pada kualitas GVL yang dihasilkan. In addition to producing biodiesel, bioethanol, biomethane, and biohydrogen from renewable sources, gamma-valerolactone (GVL) is emerging as a potential renewable fuel from biomass. As a promising long-term liquid energy source, GVL possesses the necessary characteristics. The production of pure GVL in large quantities involves a separation/purification process, one of which is distillation. In designing the distillation process, Vapor-Liquid equilibrium(VLE) data is needed, and process simulation software such as ChemCAD is usually used for design accuracy. In this study, the available VLE data will be reparameterized to be used as a thermodynamic model parameter in ChemCAD Software. The binary interaction parameter (BIP) NRTL model reparameterization for the VLE data of the components involved in the creation of GVL was carried out in this work using data from the literature. The reparameterized BIP was then applied to the distillation column shortcut for sensitivity analysis. The findings of the sensitivity study reveal that changing the feed temperature changes the column arrangement but not the quality of the GVL produced.
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10

Aker, B., J. Rarey, and A. Fricke. "Regression of custom component data and import to CHEMCAD." Chemie Ingenieur Technik 90, no. 9 (2018): 1208. http://dx.doi.org/10.1002/cite.201855167.

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