Desulfurization Process Conciliating Heterogeneous Oxidation and Liquid Extraction: Organic Solvent or Centrifugation/Water?

Susana O. Ribeiro; Lucie S. Nogueira; Sandra Gago; Marta C. Corvo; Baltazar de Castro; Carlos M. Granadeiro; Salete S. Balula; Pedro L. Almeida

doi:10.1016/j.apcata.2017.05.032

Desulfurization Process Conciliating Heterogeneous Oxidation and Liquid Extraction: Organic Solvent or Centrifugation/Water?

Susana O. Ribeiro, Lucie S. Nogueira, Sandra Gago, Marta C. Corvo, Baltazar de Castro, Carlos M. Granadeiro, Salete S. Balula, Pedro L. Almeida

Research output: Contribution to journal › Article

18 Citations (Scopus)

Abstract

The present work presents a strategic oxidative desulfurization system able to efficiently operate under sustainable conditions, i.e. using an eco-friendly oxidant and without the need of extractive organic solvents. The catalytic performance of Eu(PW11039)(2)@aptesSBA-15 was evaluated for the oxidative desulfurization of a multicomponent model diesel using a solvent-free or biphasic systems. The results reveal its remarkable desulfurization performance achieving complete desulfurization after just 2 h of reaction. Moreover, the composite has shown a high recycling ability without loss of catalytic activity for ten consecutive ODS cycles. Interestingly, under solvent-free conditions it was possible to maintain the desulfurization efficiency of the biphasic system while being able to avoid the use of harmful organic solvents. In this case, a successful extraction of oxidized sulfur compounds was found conciliating centrifugation and water as extraction solvent. Therefore, this work reports an important step towards the development of novel eco-sustainable desulfurization systems with high industrial interest.

Original language	English
Pages (from-to)	359-367
Number of pages	9
Journal	Applied Catalysis A-General
Volume	542
DOIs	https://doi.org/10.1016/j.apcata.2017.05.032
Publication status	Published - 25 Jul 2017

Keywords

Sulfur-free diesel
Sustainable desulfurization processes
Heterogeneous catalysis
Polyoxometalate
Water extraction solvent

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Ribeiro, S. O., Nogueira, L. S., Gago, S., Corvo, M. C., de Castro, B., Granadeiro, C. M., Balula, S. S., & Almeida, P. L. (2017). Desulfurization Process Conciliating Heterogeneous Oxidation and Liquid Extraction: Organic Solvent or Centrifugation/Water? Applied Catalysis A-General, 542, 359-367. https://doi.org/10.1016/j.apcata.2017.05.032

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title = "Desulfurization Process Conciliating Heterogeneous Oxidation and Liquid Extraction: Organic Solvent or Centrifugation/Water?",

abstract = "The present work presents a strategic oxidative desulfurization system able to efficiently operate under sustainable conditions, i.e. using an eco-friendly oxidant and without the need of extractive organic solvents. The catalytic performance of Eu(PW11039)(2)@aptesSBA-15 was evaluated for the oxidative desulfurization of a multicomponent model diesel using a solvent-free or biphasic systems. The results reveal its remarkable desulfurization performance achieving complete desulfurization after just 2 h of reaction. Moreover, the composite has shown a high recycling ability without loss of catalytic activity for ten consecutive ODS cycles. Interestingly, under solvent-free conditions it was possible to maintain the desulfurization efficiency of the biphasic system while being able to avoid the use of harmful organic solvents. In this case, a successful extraction of oxidized sulfur compounds was found conciliating centrifugation and water as extraction solvent. Therefore, this work reports an important step towards the development of novel eco-sustainable desulfurization systems with high industrial interest.",

keywords = "Sulfur-free diesel, Sustainable desulfurization processes, Heterogeneous catalysis, Polyoxometalate, Water extraction solvent",

author = "Ribeiro, {Susana O.} and Nogueira, {Lucie S.} and Sandra Gago and Corvo, {Marta C.} and {de Castro}, Baltazar and Granadeiro, {Carlos M.} and Balula, {Salete S.} and Almeida, {Pedro L.}",

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Desulfurization Process Conciliating Heterogeneous Oxidation and Liquid Extraction : Organic Solvent or Centrifugation/Water? / Ribeiro, Susana O.; Nogueira, Lucie S.; Gago, Sandra ; Corvo, Marta C.; de Castro, Baltazar; Granadeiro, Carlos M.; Balula, Salete S.; Almeida, Pedro L.

In: Applied Catalysis A-General, Vol. 542, 25.07.2017, p. 359-367.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Desulfurization Process Conciliating Heterogeneous Oxidation and Liquid Extraction

T2 - Organic Solvent or Centrifugation/Water?

AU - Ribeiro, Susana O.

AU - Nogueira, Lucie S.

AU - Gago, Sandra

AU - Corvo, Marta C.

AU - de Castro, Baltazar

AU - Granadeiro, Carlos M.

AU - Balula, Salete S.

AU - Almeida, Pedro L.

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PY - 2017/7/25

Y1 - 2017/7/25

N2 - The present work presents a strategic oxidative desulfurization system able to efficiently operate under sustainable conditions, i.e. using an eco-friendly oxidant and without the need of extractive organic solvents. The catalytic performance of Eu(PW11039)(2)@aptesSBA-15 was evaluated for the oxidative desulfurization of a multicomponent model diesel using a solvent-free or biphasic systems. The results reveal its remarkable desulfurization performance achieving complete desulfurization after just 2 h of reaction. Moreover, the composite has shown a high recycling ability without loss of catalytic activity for ten consecutive ODS cycles. Interestingly, under solvent-free conditions it was possible to maintain the desulfurization efficiency of the biphasic system while being able to avoid the use of harmful organic solvents. In this case, a successful extraction of oxidized sulfur compounds was found conciliating centrifugation and water as extraction solvent. Therefore, this work reports an important step towards the development of novel eco-sustainable desulfurization systems with high industrial interest.

AB - The present work presents a strategic oxidative desulfurization system able to efficiently operate under sustainable conditions, i.e. using an eco-friendly oxidant and without the need of extractive organic solvents. The catalytic performance of Eu(PW11039)(2)@aptesSBA-15 was evaluated for the oxidative desulfurization of a multicomponent model diesel using a solvent-free or biphasic systems. The results reveal its remarkable desulfurization performance achieving complete desulfurization after just 2 h of reaction. Moreover, the composite has shown a high recycling ability without loss of catalytic activity for ten consecutive ODS cycles. Interestingly, under solvent-free conditions it was possible to maintain the desulfurization efficiency of the biphasic system while being able to avoid the use of harmful organic solvents. In this case, a successful extraction of oxidized sulfur compounds was found conciliating centrifugation and water as extraction solvent. Therefore, this work reports an important step towards the development of novel eco-sustainable desulfurization systems with high industrial interest.

KW - Sulfur-free diesel

KW - Sustainable desulfurization processes

KW - Heterogeneous catalysis

KW - Polyoxometalate

KW - Water extraction solvent

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DO - 10.1016/j.apcata.2017.05.032

M3 - Article

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SP - 359

EP - 367

JO - Applied Catalysis A-General

JF - Applied Catalysis A-General

SN - 0926-860X

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