Analysis of Evaporation Effects in Hydrotreating TBR models

Niels Frithjof Lomholdt, Carlos Eduardo Ramirez-Castelan, Jakob Kjøbsted Huusom

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

The effect of evaporation on the output of literature dynamic models for hydrotreating trickle-bed reactors was examined. The model system, presented by Mederos & Ancheyta (2007), was applied to a given oil treating case. In order to account for evaporation, Pro/II flash calculations were implemented over the length of the reactor in cocurrent operation. It was found that, given the model and the chosen reaction network, the heat of reaction would result in a large fraction of the liquid feed evaporating in the reactor. It was also found that the reaction rate of the feed influenced the effect of the evaporation. A higher reaction rate was found to widen the range of outputs attainable between high and low mass transfer rates.
Original languageEnglish
Title of host publicationProceedings of the 13th International Symposium on Process Systems Engineering – PSE 2018
PublisherElsevier
Publication date2018
Pages487-492
ISBN (Electronic)978-0-444-64241-7
DOIs
Publication statusPublished - 2018
Event13th International Symposium on Process Systems Engineering (PSE 2018) - San DIego, United States
Duration: 1 Jul 20185 Jul 2018

Conference

Conference13th International Symposium on Process Systems Engineering (PSE 2018)
CountryUnited States
CitySan DIego
Period01/07/201805/07/2018
SeriesComputer Aided Chemical Engineering
ISSN1570-7946

Keywords

  • Hydrotreating
  • Trickle-bed reactor
  • Evaporation
  • Adiabatic model
  • Pro/II

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