Hydrodynamics Modeling of Distillation Tray of MLNG Depropanizer Column

Hydrodynamics modelling in a distillation column covers three important aspects; namely operating region, pressure drop across plate and plate efficiencies. All these three are inter-related. Operating region provide the limit for the vapour and liquid flow allowable for the column operation. Mea...

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主要作者: Fong, Yee Chuin
格式: Final Year Project
语言:English
出版: Universiti Teknologi Petronas 2003
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spelling my-utp-utpedia.85332017-01-25T09:47:13Z http://utpedia.utp.edu.my/8533/ Hydrodynamics Modeling of Distillation Tray of MLNG Depropanizer Column Fong, Yee Chuin TP Chemical technology Hydrodynamics modelling in a distillation column covers three important aspects; namely operating region, pressure drop across plate and plate efficiencies. All these three are inter-related. Operating region provide the limit for the vapour and liquid flow allowable for the column operation. Meanwhile, pressure drop across plate allows for determination of plate pressure drop which affects the overall pressure drop for the column. Lastly, plate efficiencies allows for prediction of separation efficiencies which affects the overall separation performance. It also reflects the ability of the contactors to perform the required separation. Distillation is a process of physically separating a mixture into two or more products that have different boiling points, by preferentially boiling the more volatile components out of the mixture As for this project, the main focus is in producing the feasible operating region for depropanizer column (C-1503) ofMLNG plant. The quantified region can also be used to identify the type of physical constraint that upsetting the column operation. In MLNG plant, Bintulu, hydrodynamics detail research especially the downcomer section, Shell Calming Section tray is enquired to ensure a smooth operation throughout without disconcerting the column performance. Besides that, a consistent demand of pure propane from customer added the need to meet the product specification through an optimum working region. Hydrodynamics studies consists of calculating the maximum and minimum operating region for tray column by considering four significant upset contributions phenomena, i.e., entrainment flooding, downcomer backup, weeping and sealing. The ultimate research is to produce a visual presentation of the operating regime with respect to liquid and vapor loads. The project started off with a good literature understanding of the hydraulic behaviour of distillation column. Then, it proceeded with identification ofcorrelation step, where justification and assumptions were made before any further engineering calculation. Software aid-tool such as HYSYS, MATLAB and Microsoft Excel were used to assist in getting primary raw input data and also to solve numbers of equations. The result of the simulation and calculation for depropanizer steady state shows that the developed model can be concluded as realistic and can represent accurately a feasible yet an optimum region of the column. Universiti Teknologi Petronas 2003-11 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/8533/1/2004%20-%20Hydrodynamics%20Modeling%20of%20Distillation%20Tray%20of%20MLNG%20Depropanizer%20Column.pdf Fong, Yee Chuin (2003) Hydrodynamics Modeling of Distillation Tray of MLNG Depropanizer Column. Universiti Teknologi Petronas. (Unpublished)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Fong, Yee Chuin
Hydrodynamics Modeling of Distillation Tray of MLNG Depropanizer Column
description Hydrodynamics modelling in a distillation column covers three important aspects; namely operating region, pressure drop across plate and plate efficiencies. All these three are inter-related. Operating region provide the limit for the vapour and liquid flow allowable for the column operation. Meanwhile, pressure drop across plate allows for determination of plate pressure drop which affects the overall pressure drop for the column. Lastly, plate efficiencies allows for prediction of separation efficiencies which affects the overall separation performance. It also reflects the ability of the contactors to perform the required separation. Distillation is a process of physically separating a mixture into two or more products that have different boiling points, by preferentially boiling the more volatile components out of the mixture As for this project, the main focus is in producing the feasible operating region for depropanizer column (C-1503) ofMLNG plant. The quantified region can also be used to identify the type of physical constraint that upsetting the column operation. In MLNG plant, Bintulu, hydrodynamics detail research especially the downcomer section, Shell Calming Section tray is enquired to ensure a smooth operation throughout without disconcerting the column performance. Besides that, a consistent demand of pure propane from customer added the need to meet the product specification through an optimum working region. Hydrodynamics studies consists of calculating the maximum and minimum operating region for tray column by considering four significant upset contributions phenomena, i.e., entrainment flooding, downcomer backup, weeping and sealing. The ultimate research is to produce a visual presentation of the operating regime with respect to liquid and vapor loads. The project started off with a good literature understanding of the hydraulic behaviour of distillation column. Then, it proceeded with identification ofcorrelation step, where justification and assumptions were made before any further engineering calculation. Software aid-tool such as HYSYS, MATLAB and Microsoft Excel were used to assist in getting primary raw input data and also to solve numbers of equations. The result of the simulation and calculation for depropanizer steady state shows that the developed model can be concluded as realistic and can represent accurately a feasible yet an optimum region of the column.
format Final Year Project
author Fong, Yee Chuin
author_facet Fong, Yee Chuin
author_sort Fong, Yee Chuin
title Hydrodynamics Modeling of Distillation Tray of MLNG Depropanizer Column
title_short Hydrodynamics Modeling of Distillation Tray of MLNG Depropanizer Column
title_full Hydrodynamics Modeling of Distillation Tray of MLNG Depropanizer Column
title_fullStr Hydrodynamics Modeling of Distillation Tray of MLNG Depropanizer Column
title_full_unstemmed Hydrodynamics Modeling of Distillation Tray of MLNG Depropanizer Column
title_sort hydrodynamics modeling of distillation tray of mlng depropanizer column
publisher Universiti Teknologi Petronas
publishDate 2003
url http://utpedia.utp.edu.my/8533/1/2004%20-%20Hydrodynamics%20Modeling%20of%20Distillation%20Tray%20of%20MLNG%20Depropanizer%20Column.pdf
http://utpedia.utp.edu.my/8533/
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score 13.250246