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Article

Monitoring of Remaining Thiophenic Compounds in Liquid Fuel Desulphurization Studies Using a Fast HPLC-UV Method

1
Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
2
Laboratory of Chemical and Environmental Technology, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
*
Author to whom correspondence should be addressed.
Academic Editors: George Zachariadis and Rosa Peñalver
Separations 2021, 8(4), 48; https://doi.org/10.3390/separations8040048
Received: 1 March 2021 / Revised: 28 March 2021 / Accepted: 9 April 2021 / Published: 11 April 2021
(This article belongs to the Special Issue Nanomaterials in Green Analytical Chemistry)
Thiophenic compounds constitute a class of sulfur compounds derived by thiophene, containing at least one thiophenic ring. Their presence in fuels (crude oil, etc.) is important and can reach 3% m/m. The combustion of fuels leads to the formation of sulfur oxides a severe source of environmental pollution issues, such as acid rain with adverse effects both to humans and to the environment. To reduce such problems, the EU and other regulatory agencies worldwide set increasingly stringent regulations for sulfur content in fuels resulting in the necessity for intense desulphurization processes. However, most of these processes are inefficient in the total removal of sulfur compounds. Therefore, thiophenic compounds such as benzothiophenes and dibenzothiophenes are still present in heavier fractions of petroleum, therefore, their determination is of great importance. Until now, all HPLC methods applied in similar studies use gradient elution programs that may last more than 25 min with no validation results provided. To fill this gap, the aim of the present study was to develop and validate a simple and fast HPLC-UV method in order to be used as a useful monitoring tool in the evaluation studies of novel desulfurization technologies by means of simultaneous determination of dibenzothiophene (DBT) and 4,6-dimethyl-dibenzothiophene and dibenzothiophene sulfone in the desulfurization effluents. View Full-Text
Keywords: HPLC; thiophene compounds; fuels; desulphurization; dibenzothiophene (DBT); 4,6-dimethyl-dibenzothiophene; dibenzothiophene sulfone HPLC; thiophene compounds; fuels; desulphurization; dibenzothiophene (DBT); 4,6-dimethyl-dibenzothiophene; dibenzothiophene sulfone
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MDPI and ACS Style

Kapsali, V.; Triantafyllidis, K.; Deliyanni, E.; Samanidou, V. Monitoring of Remaining Thiophenic Compounds in Liquid Fuel Desulphurization Studies Using a Fast HPLC-UV Method. Separations 2021, 8, 48. https://doi.org/10.3390/separations8040048

AMA Style

Kapsali V, Triantafyllidis K, Deliyanni E, Samanidou V. Monitoring of Remaining Thiophenic Compounds in Liquid Fuel Desulphurization Studies Using a Fast HPLC-UV Method. Separations. 2021; 8(4):48. https://doi.org/10.3390/separations8040048

Chicago/Turabian Style

Kapsali, Vasiliki, Konstantinos Triantafyllidis, Eleni Deliyanni, and Victoria Samanidou. 2021. "Monitoring of Remaining Thiophenic Compounds in Liquid Fuel Desulphurization Studies Using a Fast HPLC-UV Method" Separations 8, no. 4: 48. https://doi.org/10.3390/separations8040048

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