* Corresponding Author
Kinerja Internal Reboiler Tipe Vertical Tubular Baffle pada Proses Distilasi Etanol secara Batch
https://doi.org/10.22146/jrekpros.65483 yuana susmiati(1*), Bambang Purwantana(2), Nursigit Bintoro(3), Sri Rahayoe(4)
(1) Ilmu Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Gadjah Mada Jl. Flora No.1, Bulaksumur, Yogyakarta 55281,
(2) Departemen Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Gadjah Mada, Jl. Flora No.1, Bulaksumur, Yogyakarta 55281
(3) Departemen Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Gadjah Mada, Jl. Flora No.1, Bulaksumur, Yogyakarta 55281
(4) Departemen Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Gadjah Mada, Jl. Flora No.1, Bulaksumur, Yogyakarta 55281
(*) Corresponding Author
Abstract
The performance of ethanol distillation is determined by the type of reboiler used in the distillation column. This study aims to determine the effect of differences in diameter and height of internal reboiler tubes, as well as feed content on ethanol distillate concentration and distillation yield. The research was conducted on a batch ethanol distillation process using a rectified distillation device with an internal vertical tubular baffle reboiler using different diameters and tube height, namely 1.5, 1, and 0.5 inches of diameter, and 8, 6, and 4 cm of tube heights. Materials or feeds in this study were ethanol solutions with levels of 10%, 20%, and 30% v/v. The results showed that the highest ethanol distillate content of 97.17% v/v (average) was achieved in the distillation process using an internal reboiler with a diameter of 0.5”, a tube height of 8 cm, and a feed content of 10%. Geometry affected the heat transfer process in the internal reboiler of a distillation device so that it affected the distillation results.
Keywords: distillation; ethanol; internal reboiler: performance
A B S T R A K
Kinerja alat distilasi etanol ditentukan oleh jenis reboiler yang digunakan pada kolom distilasi. Penelitian ini bertujuan untuk menentukan pengaruh perbedaan diameter dan tinggi tabung internal reboiler, serta kadar umpan terhadap kadar etanol distilat dan rendemen distilasi. Penelitian dilakukan pada proses distilasi etanol secara batch menggunakan alat distilasi rektifikasi dengan internal reboiler jenis Vertical Tubular Baffle yang berbeda ukuran diameter dan tinggi tabungnya, yaitu diameter 1,5, 1 dan 0,5 inci, serta tinggi tabung 8, 6 dan 4 cm. Bahan atau umpan pada penelitian ini adalah larutan etanol berkadar 10%, 20% dan 30% v/v. Hasil penelitian didapatkan kadar etanol distilat yang paling tinggi dengan kadar rata-rata 97,17% v/v dicapai pada proses distilasi dengan internal reboiler berukuran diameter 0,5 inci, dan tinggi tabung 8 cm dan kadar umpan 10%. Geometri berpengaruh pada proses perpindahan panas di dalam internal reboiler suatu alat distilasi sehingga berpengaruh terhadap hasil distilasi.
Kata kunci: distilasi; etanol; internal reboiler; kinerja
Keywords
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Aicher, T., and Martin, H., 1997, New correlations for mixed turbulent natural and forced convection heat transfer in vertical tubes. Int. J. Heat Mass Transfer, 40(15), 3617-3626.
Ali, A., Qasim, M., and Zaki, S., 2018, Performance analysis of shell and tube heat exchanger: Parametric study, Case Studies in Thermal Engineering, 12, 563–568.
Alimoradi, A., 2017, Study of thermal effectiveness and its relation with NTU in shell and helically coiled tube heat exchangers, Case Studies in Thermal Engineering, 9, 100–107
Badi, D., Al Helal, A., Lagat, C., Phan, C., and Barifcani, A., 2021, Evaluation of reboiler temperature retention time on MEG degradation products at varying MEG concentrations, J. Pet. Sci. Eng., 196, No. 107735. https://doi.org/10.1016/j.petrol.2020.107735
Bell, J. A., Bouck, D., Farone, J. P., Flowers, J., Grave, E., Kister, H. Z. and Yeoman, N., 2011, Reboiler circuits for trayed columns, Chemical Engineering-Essentials for the CPI Professional, https://www.chemengonline.com/reboiler-circuits-for-trayed-columns/
Bhanvase, B. A., Deosarkar, M. P., Shirsath, S. R., and Gaikwad, R. W., 2007, Internal reboiler in distillation column, Chemical Engineering World, 42(6), 86–88.
Bichkar, P., Ojas, D., Pranita, D., Rhushabh, G., and Dey, T., 2018, Study of shell and tube heat exchanger with the effect of types of baffles, Procedia Manufacturing, 20, 195–200
Feng, H., Chen, L., Wu, Z., and Xie, Z., 2019, Constructal design of a shell-and-tube heat exchanger for organic fluid evaporation process. Int. J. Heat Mass Transfer, 131, 750–756.
Fernández-seara, J., Piñeiro-pontevedra, C., and Dopazo, J. A., 2014, On the performance of a vertical helical coil heat exchanger: Numerical model and experimental validation, Appl. Therm. Eng., 62 (2), 680–689
Foletto, E. L., 2015, Operation parameters of a small scale batch distillation column for hydrous ethanol fuel (HEF) production, Ingeniería e Investigación, 35(1), 31–35.
Fouda, A., Nada, S. A., Elattar, H. F., Refaey, H. A., and Bin-mahfouz, A. S., 2018, Thermal performance modeling of turbulent flow in multi tube in tube helically coiled heat exchangers, International Journal of Mechanical Sciences, 135, 621–638
Gavade, P. P., Malgave, S. S., Patil, D. D., Bhore, H. S., and Wadkar, V. V., 2015, Analysis of tube in tube helical coil and straight tube heat, Journal of Mechanical Engineering and Technology, 3 (2), 14–19.
Gurav, S. R., 2015, Parametric comparison of heat transfer in helical and straight tube-in-tube heat exchanger, International Journal of Science and Research, 4(8), 2013–2016.
Kisan, M., Sangathan, S., Nehru, J., and Pitroda, S. G., 1989, Indian Standard Tables for Alcoholometry (Pyknometer Method) First Revision, Bureau of Indian Standards, New Delhi, June 1991.
Loraine A. Huchler, P. E., 1999, Managing Reboiler Steam-side Operation Improves Equipment Reliability and Steam Quality, MarTech Systems, Inc., Lawrenceville, New Jersey USA, p.17.
Mirgolbabaei, H., 2018, Numerical investigation of vertical helically coiled tube heat exchangers thermal performance, Appl. Therm. Eng., 136, 252–259.
Nptel, 2006, Lecture 1: Heat Exchangers Classifications. Chemical Engineering Design - II, 1–41.
Parhi, S. S., Rangaiah, G. P., and Jana, A. K., 2019, Optimizing reboiler duty and reflux ratio profiles of vapor recompressed batch distillation, Sep. Purif. Technol., 213, 553–570.
Prasad, B., Sujith, V., K, M. S., Haneef, S., Sandeep, N., and Raj, V., 2013, Comparison of heat transfer between a helical and straight tube heat exchanger, Int. Journal of Engineering Research and Technology, 6(1), 33–40.
Ranaware, N. D., Molawade, K. N., and Mane, L.N., 2015, A review on comparison between shell and tube heat exchanger and helical coil heat exchanger, International Journal of Innovations in Engineering Research and Technology, 2(2), 1–9.
Rosa, S., Moraes, M. S. De, To, J., Campos, D., and Toneli, L., 2014, External heat transfer coefficient in agitated vessels using a radial impeller and vertical tube baffles, Ind. Eng. Chem. Res., 53, 13797-
Rosa, S., Elena, M., Taqueda, S., Luis, J., Paiva, D., Silva, M., and Moraes, D., 2017, Nusselt’s correlations in agitated tanks using the spiral coil with Rushton turbine and PBT 45 ° impeller: Comparison with tanks containing vertical tube baffles, Appl. Therm. Eng., 110, 1331–1342.
Roul, M. K., and Nayak, R. C., 2012, Experimental investigaion of natural convection heat transfer through heated vertical tubes, Int. Journal of Engineering Research and Applications, 2(6), 1088–1096.
Shirgire, N. D., Thakur, A., and Singh, S., 2014, Comparative study and analysis between helical coil and straight tube heat exchanger, Int. Journal of Engineering Research and Applications, 4(8). 130-133
Sukasem, N., Hareemao, T., and Sudawong, C., 2017, The mimic of fractional distillation technology for development of homegrown pot distillery for ethanol distillation, Energy Procedia, 138, 985–990.
Susmiati, Y., Purwantana, B., Bintoro, N., Rahayoe, S., 2019, Design and testing of vertical tubular baffle heat exchanger as an internal reboiler in the distillation device, The 3rd International Symposium on Agricultural and Biosystem Engineering, IOP Conf. Series: Earth and Environmental Science, 355.
Tammami, B., 2008, How to select the best reboiler for your processing operation, Hydrocarbon Processing, 87(3), 91–94.
Van Duc Long, N., Lee, D. Y., Park, S. Y., Hwang, B. B., and Lee, M., 2020, HETP measurement using industrial-scale batch distillation, Chem. Eng. Process. - Process Intensification, 148, 107800.
DOI: https://doi.org/10.22146/jrekpros.65483
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