Forecasting the catalyst activity of diesel fuel dewaxing at the industrial unit using the mathematical model

Research output: Contribution to journalArticle

Abstract

This paper considers the process of catalytic dewaxing of petroleum derived middle distillates on the bifunctional Ni-based catalyst. The process is aimed at production of low-freezing, low-sulfur diesel fuels suitable for application in cold weather conditions. The method of mathematical modelling is applied in the current research. The mathematical model was developed taking into account thermos-dynamic and kinetic laws of the dewaxing process as well as factors influencing catalyst deactivation. The model is sensitive to the feedstock composition and technological conditions change in a wide range. The dewaxing catalyst deactivation degree was estimated using the operational data of the industrial catalytic dewaxing unit, and the calculations were conducted with the developed non-stationary mathematical model of the catalytic dewaxing process. The mechanism of bifunctional dewaxing catalyst deactivation was described. With the non-stationary mathematical model, the fore-cast accuracy and optimizing calculations of the dewaxing process temperature mode were carried out depending on the feed composition and catalyst activity.

Original languageEnglish
Pages (from-to)729-735
Number of pages7
JournalPetroleum and Coal
Volume59
Issue number5
Publication statusPublished - 1 Jan 2017

Fingerprint

Dewaxing
Diesel fuels
Catalyst activity
Mathematical models
Catalyst deactivation
Chemical analysis
Freezing
Feedstocks
Sulfur
Crude oil
Catalysts
Kinetics

Keywords

  • Catalyst
  • Cold filter plugging point
  • Deactivation
  • Dewaxing
  • Diesel fuel
  • Mathematical model

ASJC Scopus subject areas

  • Energy(all)

Cite this

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title = "Forecasting the catalyst activity of diesel fuel dewaxing at the industrial unit using the mathematical model",
abstract = "This paper considers the process of catalytic dewaxing of petroleum derived middle distillates on the bifunctional Ni-based catalyst. The process is aimed at production of low-freezing, low-sulfur diesel fuels suitable for application in cold weather conditions. The method of mathematical modelling is applied in the current research. The mathematical model was developed taking into account thermos-dynamic and kinetic laws of the dewaxing process as well as factors influencing catalyst deactivation. The model is sensitive to the feedstock composition and technological conditions change in a wide range. The dewaxing catalyst deactivation degree was estimated using the operational data of the industrial catalytic dewaxing unit, and the calculations were conducted with the developed non-stationary mathematical model of the catalytic dewaxing process. The mechanism of bifunctional dewaxing catalyst deactivation was described. With the non-stationary mathematical model, the fore-cast accuracy and optimizing calculations of the dewaxing process temperature mode were carried out depending on the feed composition and catalyst activity.",
keywords = "Catalyst, Cold filter plugging point, Deactivation, Dewaxing, Diesel fuel, Mathematical model",
author = "Frantsina, {Evgeniya V.} and Belinskaya, {Nataliya S.} and Ivanchina, {Emiliya D.} and Lutsenko, {Alexey S.}",
year = "2017",
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AU - Frantsina, Evgeniya V.

AU - Belinskaya, Nataliya S.

AU - Ivanchina, Emiliya D.

AU - Lutsenko, Alexey S.

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N2 - This paper considers the process of catalytic dewaxing of petroleum derived middle distillates on the bifunctional Ni-based catalyst. The process is aimed at production of low-freezing, low-sulfur diesel fuels suitable for application in cold weather conditions. The method of mathematical modelling is applied in the current research. The mathematical model was developed taking into account thermos-dynamic and kinetic laws of the dewaxing process as well as factors influencing catalyst deactivation. The model is sensitive to the feedstock composition and technological conditions change in a wide range. The dewaxing catalyst deactivation degree was estimated using the operational data of the industrial catalytic dewaxing unit, and the calculations were conducted with the developed non-stationary mathematical model of the catalytic dewaxing process. The mechanism of bifunctional dewaxing catalyst deactivation was described. With the non-stationary mathematical model, the fore-cast accuracy and optimizing calculations of the dewaxing process temperature mode were carried out depending on the feed composition and catalyst activity.

AB - This paper considers the process of catalytic dewaxing of petroleum derived middle distillates on the bifunctional Ni-based catalyst. The process is aimed at production of low-freezing, low-sulfur diesel fuels suitable for application in cold weather conditions. The method of mathematical modelling is applied in the current research. The mathematical model was developed taking into account thermos-dynamic and kinetic laws of the dewaxing process as well as factors influencing catalyst deactivation. The model is sensitive to the feedstock composition and technological conditions change in a wide range. The dewaxing catalyst deactivation degree was estimated using the operational data of the industrial catalytic dewaxing unit, and the calculations were conducted with the developed non-stationary mathematical model of the catalytic dewaxing process. The mechanism of bifunctional dewaxing catalyst deactivation was described. With the non-stationary mathematical model, the fore-cast accuracy and optimizing calculations of the dewaxing process temperature mode were carried out depending on the feed composition and catalyst activity.

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