Rate-Based Model In Bubble-Cup Batch Distillation Column

The present work concerned with studying the behavior of batchmulticomponent plate distillation tower using Rate-Base model (Non-Equilibrium model) theoretically and experimentally. The experimental work was performed by using a batch distillation column consisting of eight bubble-cup trays. A zeotr...

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Main Authors: Nada B. Nakkash, Neran K. Ibrahim, Salah S. Ibrahim
Format: Article
Language:English
Published: Unviversity of Technology- Iraq 2009-10-01
Series:Engineering and Technology Journal
Subjects:
Online Access:https://etj.uotechnology.edu.iq/article_43086_6d1233df59227e9254ba8a5ad489aaf8.pdf
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author Nada B. Nakkash
Neran K. Ibrahim
Salah S. Ibrahim
author_facet Nada B. Nakkash
Neran K. Ibrahim
Salah S. Ibrahim
author_sort Nada B. Nakkash
collection DOAJ
description The present work concerned with studying the behavior of batchmulticomponent plate distillation tower using Rate-Base model (Non-Equilibrium model) theoretically and experimentally. The experimental work was performed by using a batch distillation column consisting of eight bubble-cup trays. A zeotropic (nonazeotropic) system of Benzene, Toluene, and Ethylbenzene (B-T-EB) has beenused. In the experimental work the effect of reflux ratio, heat duty, and initial charge composition on the batch distillation process have been studied. The range of reflux ratio was 1 - 4, heat duty was 222 and 336 Watt, and the initial charge composition was 0.2 - 0.5 mole fraction of the light component (benzene) and for the heavy component (ethylbenzene). The theoretical work was performed through several steps in order to construct and develop a model based on simultaneous heat and mass transfer between vapor and liquid phases called “Nonequilibrium or Rate-Based model”, which is based on MERSHQ equations (Material, Energy balances, Rate of mass and heat transfer, Summation of composition Hydrodynamic equation of pressure drop, and eQuilibrium relation The performance and validity of the developed non-equilibrium-based model gave a good agreement with the experimental work on Benzene-Toluene- EthylBenzene system.
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spelling doaj.art-4f678b460c1e40f6b44d80989af8df222024-02-04T17:50:12ZengUnviversity of Technology- IraqEngineering and Technology Journal1681-69002412-07582009-10-0127142566258310.30684/etj.27.14.443086Rate-Based Model In Bubble-Cup Batch Distillation ColumnNada B. NakkashNeran K. IbrahimSalah S. IbrahimThe present work concerned with studying the behavior of batchmulticomponent plate distillation tower using Rate-Base model (Non-Equilibrium model) theoretically and experimentally. The experimental work was performed by using a batch distillation column consisting of eight bubble-cup trays. A zeotropic (nonazeotropic) system of Benzene, Toluene, and Ethylbenzene (B-T-EB) has beenused. In the experimental work the effect of reflux ratio, heat duty, and initial charge composition on the batch distillation process have been studied. The range of reflux ratio was 1 - 4, heat duty was 222 and 336 Watt, and the initial charge composition was 0.2 - 0.5 mole fraction of the light component (benzene) and for the heavy component (ethylbenzene). The theoretical work was performed through several steps in order to construct and develop a model based on simultaneous heat and mass transfer between vapor and liquid phases called “Nonequilibrium or Rate-Based model”, which is based on MERSHQ equations (Material, Energy balances, Rate of mass and heat transfer, Summation of composition Hydrodynamic equation of pressure drop, and eQuilibrium relation The performance and validity of the developed non-equilibrium-based model gave a good agreement with the experimental work on Benzene-Toluene- EthylBenzene system.https://etj.uotechnology.edu.iq/article_43086_6d1233df59227e9254ba8a5ad489aaf8.pdfnonequilibriumbatch distillationtrayed column
spellingShingle Nada B. Nakkash
Neran K. Ibrahim
Salah S. Ibrahim
Rate-Based Model In Bubble-Cup Batch Distillation Column
Engineering and Technology Journal
nonequilibrium
batch distillation
trayed column
title Rate-Based Model In Bubble-Cup Batch Distillation Column
title_full Rate-Based Model In Bubble-Cup Batch Distillation Column
title_fullStr Rate-Based Model In Bubble-Cup Batch Distillation Column
title_full_unstemmed Rate-Based Model In Bubble-Cup Batch Distillation Column
title_short Rate-Based Model In Bubble-Cup Batch Distillation Column
title_sort rate based model in bubble cup batch distillation column
topic nonequilibrium
batch distillation
trayed column
url https://etj.uotechnology.edu.iq/article_43086_6d1233df59227e9254ba8a5ad489aaf8.pdf
work_keys_str_mv AT nadabnakkash ratebasedmodelinbubblecupbatchdistillationcolumn
AT nerankibrahim ratebasedmodelinbubblecupbatchdistillationcolumn
AT salahsibrahim ratebasedmodelinbubblecupbatchdistillationcolumn