Kinetic Modeling of Hydrotreating for Enhanced Upgrading of Light Cycle Oil

Roberto Palos; Alazne Gutierrez; Idoia Hita; Pedro Castaño; Joris W. Thybaut; José M. Arandes; Javier Bilbao

doi:10.1021/acs.iecr.9b02095

Kinetic Modeling of Hydrotreating for Enhanced Upgrading of Light Cycle Oil

Roberto Palos, Alazne Gutierrez, Idoia Hita, Pedro Castaño, Joris W. Thybaut, José M. Arandes, Javier Bilbao

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

The hydrotreating of light cycle oil (LCO) into high-quality fuels has been investigated experimentally and kinetically, developing a model that accounts for the main and simultaneous reaction pathways: hydrodesulfurization (HDS), hydrodearomatization (HDA), and hydrocracking (HC). The experiments have been carried out in a fixed-bed reactor, NiMo/SiO2-Al2O3 commercial catalyst, 320-400 °C; 80 bar; space time, 0-0.5 gcat h gLCO -1 and H2/LCO volumetric ratio of 1000 Ncm3 cm-3. The proposed kinetic model contains multiple lumps, species, and pathways, leading to the faithful prediction of hydrotreatment products from different viewpoints. The computed kinetic parameters have allowed for simulating the process and seeking the optimal operating conditions. This way, the maximum values obtained for the conversions of HDS, HDA, and HC have been of 90%, 20%, and 65%, respectively; whereas a good compromise between the different hydrotreating goals has been obtained in the 385-400 °C range for a space time of 0.2 gcat h gLCO -1. Finally, the obtained optimal operating conditions have been compared with those optimized in the literature.

Original language	English (US)
Pages (from-to)	13064-13075
Number of pages	12
Journal	Industrial & Engineering Chemistry Research
Volume	58
Issue number	29
DOIs	https://doi.org/10.1021/acs.iecr.9b02095
State	Published - 2019
Externally published	Yes

Bibliographical note

KAUST Repository Item: Exported on 2021-07-12
Acknowledgements: The financial support of this work was undertaken by the Ministry of Economy and Competitiveness (MINECO) of the Spanish Government (Grant CTQ2015-67425R), the ERDF funds of the European Union, and the Basque Government (Grant IT748-13). I.H. is grateful for her postdoctoral grant awarded by the Department of Education, University and Research of the Basque Government (Grant POS_2015_1_0035). The authors are thankful for the technical and human support provided by SGIker of UPV/EHU and European funding (ERDF and ESF). The authors also acknowledge Petronor Refinery for providing the feedstock used in this work.

ASJC Scopus subject areas

General Chemical Engineering
General Chemistry
Industrial and Manufacturing Engineering

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10.1021/acs.iecr.9b02095

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@article{b80e8435e875460dab202a3eb3f645fd,

title = "Kinetic Modeling of Hydrotreating for Enhanced Upgrading of Light Cycle Oil",

abstract = "The hydrotreating of light cycle oil (LCO) into high-quality fuels has been investigated experimentally and kinetically, developing a model that accounts for the main and simultaneous reaction pathways: hydrodesulfurization (HDS), hydrodearomatization (HDA), and hydrocracking (HC). The experiments have been carried out in a fixed-bed reactor, NiMo/SiO2-Al2O3 commercial catalyst, 320-400 °C; 80 bar; space time, 0-0.5 gcat h gLCO -1 and H2/LCO volumetric ratio of 1000 Ncm3 cm-3. The proposed kinetic model contains multiple lumps, species, and pathways, leading to the faithful prediction of hydrotreatment products from different viewpoints. The computed kinetic parameters have allowed for simulating the process and seeking the optimal operating conditions. This way, the maximum values obtained for the conversions of HDS, HDA, and HC have been of 90%, 20%, and 65%, respectively; whereas a good compromise between the different hydrotreating goals has been obtained in the 385-400 °C range for a space time of 0.2 gcat h gLCO -1. Finally, the obtained optimal operating conditions have been compared with those optimized in the literature.",

author = "Roberto Palos and Alazne Gutierrez and Idoia Hita and Pedro Casta{\~n}o and Thybaut, {Joris W.} and Arandes, {Jos{\'e} M.} and Javier Bilbao",

note = "KAUST Repository Item: Exported on 2021-07-12 Acknowledgements: The financial support of this work was undertaken by the Ministry of Economy and Competitiveness (MINECO) of the Spanish Government (Grant CTQ2015-67425R), the ERDF funds of the European Union, and the Basque Government (Grant IT748-13). I.H. is grateful for her postdoctoral grant awarded by the Department of Education, University and Research of the Basque Government (Grant POS_2015_1_0035). The authors are thankful for the technical and human support provided by SGIker of UPV/EHU and European funding (ERDF and ESF). The authors also acknowledge Petronor Refinery for providing the feedstock used in this work.",

year = "2019",

doi = "10.1021/acs.iecr.9b02095",

language = "English (US)",

volume = "58",

pages = "13064--13075",

journal = "Industrial & Engineering Chemistry Research",

issn = "0888-5885",

publisher = "American Chemical Society",

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TY - JOUR

T1 - Kinetic Modeling of Hydrotreating for Enhanced Upgrading of Light Cycle Oil

AU - Palos, Roberto

AU - Gutierrez, Alazne

AU - Hita, Idoia

AU - Castaño, Pedro

AU - Thybaut, Joris W.

AU - Arandes, José M.

AU - Bilbao, Javier

N1 - KAUST Repository Item: Exported on 2021-07-12 Acknowledgements: The financial support of this work was undertaken by the Ministry of Economy and Competitiveness (MINECO) of the Spanish Government (Grant CTQ2015-67425R), the ERDF funds of the European Union, and the Basque Government (Grant IT748-13). I.H. is grateful for her postdoctoral grant awarded by the Department of Education, University and Research of the Basque Government (Grant POS_2015_1_0035). The authors are thankful for the technical and human support provided by SGIker of UPV/EHU and European funding (ERDF and ESF). The authors also acknowledge Petronor Refinery for providing the feedstock used in this work.

PY - 2019

Y1 - 2019

N2 - The hydrotreating of light cycle oil (LCO) into high-quality fuels has been investigated experimentally and kinetically, developing a model that accounts for the main and simultaneous reaction pathways: hydrodesulfurization (HDS), hydrodearomatization (HDA), and hydrocracking (HC). The experiments have been carried out in a fixed-bed reactor, NiMo/SiO2-Al2O3 commercial catalyst, 320-400 °C; 80 bar; space time, 0-0.5 gcat h gLCO -1 and H2/LCO volumetric ratio of 1000 Ncm3 cm-3. The proposed kinetic model contains multiple lumps, species, and pathways, leading to the faithful prediction of hydrotreatment products from different viewpoints. The computed kinetic parameters have allowed for simulating the process and seeking the optimal operating conditions. This way, the maximum values obtained for the conversions of HDS, HDA, and HC have been of 90%, 20%, and 65%, respectively; whereas a good compromise between the different hydrotreating goals has been obtained in the 385-400 °C range for a space time of 0.2 gcat h gLCO -1. Finally, the obtained optimal operating conditions have been compared with those optimized in the literature.

AB - The hydrotreating of light cycle oil (LCO) into high-quality fuels has been investigated experimentally and kinetically, developing a model that accounts for the main and simultaneous reaction pathways: hydrodesulfurization (HDS), hydrodearomatization (HDA), and hydrocracking (HC). The experiments have been carried out in a fixed-bed reactor, NiMo/SiO2-Al2O3 commercial catalyst, 320-400 °C; 80 bar; space time, 0-0.5 gcat h gLCO -1 and H2/LCO volumetric ratio of 1000 Ncm3 cm-3. The proposed kinetic model contains multiple lumps, species, and pathways, leading to the faithful prediction of hydrotreatment products from different viewpoints. The computed kinetic parameters have allowed for simulating the process and seeking the optimal operating conditions. This way, the maximum values obtained for the conversions of HDS, HDA, and HC have been of 90%, 20%, and 65%, respectively; whereas a good compromise between the different hydrotreating goals has been obtained in the 385-400 °C range for a space time of 0.2 gcat h gLCO -1. Finally, the obtained optimal operating conditions have been compared with those optimized in the literature.

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UR - https://pubs.acs.org/doi/10.1021/acs.iecr.9b02095

UR - http://www.scopus.com/inward/record.url?scp=85070565599&partnerID=8YFLogxK

U2 - 10.1021/acs.iecr.9b02095

DO - 10.1021/acs.iecr.9b02095

M3 - Article

SN - 0888-5885

VL - 58

SP - 13064

EP - 13075

JO - Industrial & Engineering Chemistry Research

JF - Industrial & Engineering Chemistry Research

IS - 29

ER -

Kinetic Modeling of Hydrotreating for Enhanced Upgrading of Light Cycle Oil

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