Modeling and simulation of an industrial adsorption process of dehydration of natural gas in 4A molecular sieves: Effect of adsorbent aging
Adsorption in molecular sieves is the number one choice for the dehydration of natural gas in offshore platforms. Many phenomenological and mathematical approaches have been used to describe this unit operation. However, the effect of aging on the operation performance, and consequently the adequacy...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-06-01
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| Series: | Results in Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2590123023002712 |
| _version_ | 1797802824561590272 |
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| author | Cícero Jataí Cavalcante Júnior Pedro de Alcântara Pessoa Filho |
| author_facet | Cícero Jataí Cavalcante Júnior Pedro de Alcântara Pessoa Filho |
| author_sort | Cícero Jataí Cavalcante Júnior |
| collection | DOAJ |
| description | Adsorption in molecular sieves is the number one choice for the dehydration of natural gas in offshore platforms. Many phenomenological and mathematical approaches have been used to describe this unit operation. However, the effect of aging on the operation performance, and consequently the adequacy of these models to describe operational field conditions, has been seldom assessed. This work presents the simulation of an industrial unit of natural gas dehydration with 4A molecular sieves in different cycle numbers using a phenomenological model. First, the most adequate equilibrium isotherm to describe experimental data of pure compound adsorption (viz., the dual-site Langmuir isotherm) was determined. Second, momentum, mass, and energy transfer equations were implemented, and the modeling of literature adsorption data was used to verify the adequacy of the developed equations. Finally, an industrial dehydration unit was modeled using the same approach, and calculated breakthrough times were compared to field data. In conclusion, the premature aging of molecular sieves in industrial operation appears as a defining factor in equipment performance. |
| first_indexed | 2024-03-13T05:11:33Z |
| format | Article |
| id | doaj.art-fae711a4c6224513a64f155abf253c6f |
| institution | Directory Open Access Journal |
| issn | 2590-1230 |
| language | English |
| last_indexed | 2024-03-13T05:11:33Z |
| publishDate | 2023-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Results in Engineering |
| spelling | doaj.art-fae711a4c6224513a64f155abf253c6f2023-06-16T05:11:04ZengElsevierResults in Engineering2590-12302023-06-0118101144Modeling and simulation of an industrial adsorption process of dehydration of natural gas in 4A molecular sieves: Effect of adsorbent agingCícero Jataí Cavalcante Júnior0Pedro de Alcântara Pessoa Filho1Chemical Engineering Department, Engineering School, University of São Paulo; Av. Prof. Luciano Gualberto, 380, 05508-010, São Paulo, SP, Brazil; Petróleo Brasileiro S. A. – Petrobras; R. Marquês Do Herval, 90, 11010-310, Santos, SP, BrazilChemical Engineering Department, Engineering School, University of São Paulo; Av. Prof. Luciano Gualberto, 380, 05508-010, São Paulo, SP, Brazil; Corresponding author.Adsorption in molecular sieves is the number one choice for the dehydration of natural gas in offshore platforms. Many phenomenological and mathematical approaches have been used to describe this unit operation. However, the effect of aging on the operation performance, and consequently the adequacy of these models to describe operational field conditions, has been seldom assessed. This work presents the simulation of an industrial unit of natural gas dehydration with 4A molecular sieves in different cycle numbers using a phenomenological model. First, the most adequate equilibrium isotherm to describe experimental data of pure compound adsorption (viz., the dual-site Langmuir isotherm) was determined. Second, momentum, mass, and energy transfer equations were implemented, and the modeling of literature adsorption data was used to verify the adequacy of the developed equations. Finally, an industrial dehydration unit was modeled using the same approach, and calculated breakthrough times were compared to field data. In conclusion, the premature aging of molecular sieves in industrial operation appears as a defining factor in equipment performance.http://www.sciencedirect.com/science/article/pii/S2590123023002712Natural gas dehydrationAdsorptionMolecular sievesModeling |
| spellingShingle | Cícero Jataí Cavalcante Júnior Pedro de Alcântara Pessoa Filho Modeling and simulation of an industrial adsorption process of dehydration of natural gas in 4A molecular sieves: Effect of adsorbent aging Results in Engineering Natural gas dehydration Adsorption Molecular sieves Modeling |
| title | Modeling and simulation of an industrial adsorption process of dehydration of natural gas in 4A molecular sieves: Effect of adsorbent aging |
| title_full | Modeling and simulation of an industrial adsorption process of dehydration of natural gas in 4A molecular sieves: Effect of adsorbent aging |
| title_fullStr | Modeling and simulation of an industrial adsorption process of dehydration of natural gas in 4A molecular sieves: Effect of adsorbent aging |
| title_full_unstemmed | Modeling and simulation of an industrial adsorption process of dehydration of natural gas in 4A molecular sieves: Effect of adsorbent aging |
| title_short | Modeling and simulation of an industrial adsorption process of dehydration of natural gas in 4A molecular sieves: Effect of adsorbent aging |
| title_sort | modeling and simulation of an industrial adsorption process of dehydration of natural gas in 4a molecular sieves effect of adsorbent aging |
| topic | Natural gas dehydration Adsorption Molecular sieves Modeling |
| url | http://www.sciencedirect.com/science/article/pii/S2590123023002712 |
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