Modeling of the Coldfinger Water Exhauster for Advanced Teg Regeneration in Natural Gas Dehydration
The performance of natural gas dehydration using triethylene glycol (TEG) strongly depends on the purity level of TEG in the regeneration unit. Coldfinger is a TEG regeneration technology reported to be capable of increasing TEG purity to levels above 99.8 wt.%, but conceptual models of this equipme...
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AIDIC Servizi S.r.l.
2019-05-01
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Series: | Chemical Engineering Transactions |
Online Access: | https://www.cetjournal.it/index.php/cet/article/view/9876 |
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doaj-febced8600614bee831a59908fe306792021-02-16T21:05:50ZengAIDIC Servizi S.r.l.Chemical Engineering Transactions2283-92162019-05-017410.3303/CET1974111Modeling of the Coldfinger Water Exhauster for Advanced Teg Regeneration in Natural Gas DehydrationIveth RomeroAnders AndreasenRudi NielsenMarco MaschiettiThe performance of natural gas dehydration using triethylene glycol (TEG) strongly depends on the purity level of TEG in the regeneration unit. Coldfinger is a TEG regeneration technology reported to be capable of increasing TEG purity to levels above 99.8 wt.%, but conceptual models of this equipment appear to be lacking. This work presents a methodology for modeling Coldfinger, where the equipment is represented as two theoretical equilibrium stages operating at different temperatures in the presence of internal vapor recirculation. The key parameters governing the functioning of the equipment are discussed on the basis of a series of simulations carried out for different top temperatures and internal recirculation ratios. The results demonstrate that a regeneration of TEG up to approximately 99.9 wt.% is achievable by injecting smalls amounts of dry gas, considerably lower than conventional enhanced TEG regeneration by gas stripping.https://www.cetjournal.it/index.php/cet/article/view/9876 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Iveth Romero Anders Andreasen Rudi Nielsen Marco Maschietti |
spellingShingle |
Iveth Romero Anders Andreasen Rudi Nielsen Marco Maschietti Modeling of the Coldfinger Water Exhauster for Advanced Teg Regeneration in Natural Gas Dehydration Chemical Engineering Transactions |
author_facet |
Iveth Romero Anders Andreasen Rudi Nielsen Marco Maschietti |
author_sort |
Iveth Romero |
title |
Modeling of the Coldfinger Water Exhauster for Advanced Teg Regeneration in Natural Gas Dehydration |
title_short |
Modeling of the Coldfinger Water Exhauster for Advanced Teg Regeneration in Natural Gas Dehydration |
title_full |
Modeling of the Coldfinger Water Exhauster for Advanced Teg Regeneration in Natural Gas Dehydration |
title_fullStr |
Modeling of the Coldfinger Water Exhauster for Advanced Teg Regeneration in Natural Gas Dehydration |
title_full_unstemmed |
Modeling of the Coldfinger Water Exhauster for Advanced Teg Regeneration in Natural Gas Dehydration |
title_sort |
modeling of the coldfinger water exhauster for advanced teg regeneration in natural gas dehydration |
publisher |
AIDIC Servizi S.r.l. |
series |
Chemical Engineering Transactions |
issn |
2283-9216 |
publishDate |
2019-05-01 |
description |
The performance of natural gas dehydration using triethylene glycol (TEG) strongly depends on the purity level of TEG in the regeneration unit. Coldfinger is a TEG regeneration technology reported to be capable of increasing TEG purity to levels above 99.8 wt.%, but conceptual models of this equipment appear to be lacking. This work presents a methodology for modeling Coldfinger, where the equipment is represented as two theoretical equilibrium stages operating at different temperatures in the presence of internal vapor recirculation. The key parameters governing the functioning of the equipment are discussed on the basis of a series of simulations carried out for different top temperatures and internal recirculation ratios. The results demonstrate that a regeneration of TEG up to approximately 99.9 wt.% is achievable by injecting smalls amounts of dry gas, considerably lower than conventional enhanced TEG regeneration by gas stripping. |
url |
https://www.cetjournal.it/index.php/cet/article/view/9876 |
work_keys_str_mv |
AT ivethromero modelingofthecoldfingerwaterexhausterforadvancedtegregenerationinnaturalgasdehydration AT andersandreasen modelingofthecoldfingerwaterexhausterforadvancedtegregenerationinnaturalgasdehydration AT rudinielsen modelingofthecoldfingerwaterexhausterforadvancedtegregenerationinnaturalgasdehydration AT marcomaschietti modelingofthecoldfingerwaterexhausterforadvancedtegregenerationinnaturalgasdehydration |
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