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Intercriteria Analysis to Diagnose the Reasons for Increased Fouling in a Commercial Ebullated Bed Vacuum Residue Hydrocracker

[Image: see text] The intercriteria analysis developed on the base of intuitionistic fuzziness and index matrices was applied to evaluate processing data of the LUKOIL Neftohim Burgas H-Oil ebullated bed vacuum residue hydrocracker with the aim of revealing the reasons for increased fouling register...

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Autores principales: Stratiev, Dicho, Shishkova, Ivelina, Dinkov, Rosen, Kolev, Iliyan, Argirov, Georgi, Ivanov, Vitaly, Ribagin, Simeon, Atanassova, Vassia, Atanassov, Krassimir, Stratiev, Danail, Nenov, Svetoslav, Pilev, Dimitar, Yordanov, Dobromir
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2022
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9434761/
https://www.ncbi.nlm.nih.gov/pubmed/36061707
http://dx.doi.org/10.1021/acsomega.2c03876
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author Stratiev, Dicho
Shishkova, Ivelina
Dinkov, Rosen
Kolev, Iliyan
Argirov, Georgi
Ivanov, Vitaly
Ribagin, Simeon
Atanassova, Vassia
Atanassov, Krassimir
Stratiev, Danail
Nenov, Svetoslav
Pilev, Dimitar
Yordanov, Dobromir
author_facet Stratiev, Dicho
Shishkova, Ivelina
Dinkov, Rosen
Kolev, Iliyan
Argirov, Georgi
Ivanov, Vitaly
Ribagin, Simeon
Atanassova, Vassia
Atanassov, Krassimir
Stratiev, Danail
Nenov, Svetoslav
Pilev, Dimitar
Yordanov, Dobromir
author_sort Stratiev, Dicho
collection PubMed
description [Image: see text] The intercriteria analysis developed on the base of intuitionistic fuzziness and index matrices was applied to evaluate processing data of the LUKOIL Neftohim Burgas H-Oil ebullated bed vacuum residue hydrocracker with the aim of revealing the reasons for increased fouling registered during the 3rd cycle of the H-Oil hydrocracker. It was found that when the ratio of the ΔT of the 1st reactor to the ΔT of the 2nd reactor gets lower than 2.0, an excessive H-Oil equipment fouling occurs. The fouling was also found to be favored by processing of lower Conradson carbon content vacuum residual oils and increased throughput and depressed by increasing the dosage of the HCAT nanodispersed catalyst. The fouling in the atmospheric tower bottom section is facilitated by a lower aromatic content in the atmospheric tower bottom product. The addition of FCC slurry oil not only increases aromatic content but also dissolves some of the asphaltenes in the atmospheric residual hydrocracked oil and decreases its colloidal instability index. The fouling in the vacuum tower bottom section is facilitated by a higher saturate content in the VTB. Surprisingly, it was found that the asphaltene content in the VTB depresses the fouling rate. No relation was found of the sediment content in the hydrocracked residual oils measured by hot filtration tests and by the centrifuge method to the equipment fouling of the H-Oil hydrocracker.
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spelling pubmed-94347612022-09-02 Intercriteria Analysis to Diagnose the Reasons for Increased Fouling in a Commercial Ebullated Bed Vacuum Residue Hydrocracker Stratiev, Dicho Shishkova, Ivelina Dinkov, Rosen Kolev, Iliyan Argirov, Georgi Ivanov, Vitaly Ribagin, Simeon Atanassova, Vassia Atanassov, Krassimir Stratiev, Danail Nenov, Svetoslav Pilev, Dimitar Yordanov, Dobromir ACS Omega [Image: see text] The intercriteria analysis developed on the base of intuitionistic fuzziness and index matrices was applied to evaluate processing data of the LUKOIL Neftohim Burgas H-Oil ebullated bed vacuum residue hydrocracker with the aim of revealing the reasons for increased fouling registered during the 3rd cycle of the H-Oil hydrocracker. It was found that when the ratio of the ΔT of the 1st reactor to the ΔT of the 2nd reactor gets lower than 2.0, an excessive H-Oil equipment fouling occurs. The fouling was also found to be favored by processing of lower Conradson carbon content vacuum residual oils and increased throughput and depressed by increasing the dosage of the HCAT nanodispersed catalyst. The fouling in the atmospheric tower bottom section is facilitated by a lower aromatic content in the atmospheric tower bottom product. The addition of FCC slurry oil not only increases aromatic content but also dissolves some of the asphaltenes in the atmospheric residual hydrocracked oil and decreases its colloidal instability index. The fouling in the vacuum tower bottom section is facilitated by a higher saturate content in the VTB. Surprisingly, it was found that the asphaltene content in the VTB depresses the fouling rate. No relation was found of the sediment content in the hydrocracked residual oils measured by hot filtration tests and by the centrifuge method to the equipment fouling of the H-Oil hydrocracker. American Chemical Society 2022-08-17 /pmc/articles/PMC9434761/ /pubmed/36061707 http://dx.doi.org/10.1021/acsomega.2c03876 Text en © 2022 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by-nc-nd/4.0/Permits non-commercial access and re-use, provided that author attribution and integrity are maintained; but does not permit creation of adaptations or other derivative works (https://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Stratiev, Dicho
Shishkova, Ivelina
Dinkov, Rosen
Kolev, Iliyan
Argirov, Georgi
Ivanov, Vitaly
Ribagin, Simeon
Atanassova, Vassia
Atanassov, Krassimir
Stratiev, Danail
Nenov, Svetoslav
Pilev, Dimitar
Yordanov, Dobromir
Intercriteria Analysis to Diagnose the Reasons for Increased Fouling in a Commercial Ebullated Bed Vacuum Residue Hydrocracker
title Intercriteria Analysis to Diagnose the Reasons for Increased Fouling in a Commercial Ebullated Bed Vacuum Residue Hydrocracker
title_full Intercriteria Analysis to Diagnose the Reasons for Increased Fouling in a Commercial Ebullated Bed Vacuum Residue Hydrocracker
title_fullStr Intercriteria Analysis to Diagnose the Reasons for Increased Fouling in a Commercial Ebullated Bed Vacuum Residue Hydrocracker
title_full_unstemmed Intercriteria Analysis to Diagnose the Reasons for Increased Fouling in a Commercial Ebullated Bed Vacuum Residue Hydrocracker
title_short Intercriteria Analysis to Diagnose the Reasons for Increased Fouling in a Commercial Ebullated Bed Vacuum Residue Hydrocracker
title_sort intercriteria analysis to diagnose the reasons for increased fouling in a commercial ebullated bed vacuum residue hydrocracker
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9434761/
https://www.ncbi.nlm.nih.gov/pubmed/36061707
http://dx.doi.org/10.1021/acsomega.2c03876
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