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Frontiers in Heterogeneous Catalysts for Desulfurization of Fuel Oil

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A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalytic Materials".

Deadline for manuscript submissions: closed (20 July 2022) | Viewed by 11465

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Special Issue Editors

Prof. Dr. Yinyong Sun

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Guest Editor

MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
Interests: porous materials (zeolite molecular sieves; mesoporous materials; metal-organic porous materials); heterogeneous catalysis
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Prof. Dr. Wenshuai Zhu

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Co-Guest Editor

School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
Interests: catalytic oxidation; adsorption; extraction; desulfurization; chemical separation technology; 2D materials; porous materials; ionic liquids
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Prof. Dr. Ming Zhang

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Co-Guest Editor

Institute for Energy Research, Jiangsu University, Zhenjiang, China
Interests: catalytic oxidation; desulfurization; polyoxometalate materials; porous materials; ionic liquids; poly(ionic liquids)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This is a Special Issue on the recent advances in heterogeneous catalysts are used in the desulfurization of fuel oil, which include hydrodesulfurization (HDS) and oxidative desulfurization (ODS). This includes both computational calculations and experimental results. We are interested in, but not limited to, the study of HDS and ODS catalysts. Other desulfurizatioin techniques, like adsorption desulfurization, can be included. We will particularly focus on the discovery of new heterogeneous catalysts to improve the desulfurization efficiency of fuel oil. From a theoretical perspective, we highly encourage submissions that involve the theory of atom and molecule (QTAIM) analysis in clarifying the mechanism in HDS and ODS reactions.

Prof. Dr. Yinyong Sun
Prof. Dr. Wenshuai Zhu
Prof. Dr. Ming Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Catalysts is an international peer-reviewed open access monthly journal published by MDPI.

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Keywords

heterogeneous catalyst
oxidative desulfurization
hydrodesulfurization
porous materials
MOFs

Published Papers (4 papers)

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Research

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13 pages, 2578 KiB

Open AccessFeature PaperArticle

Facile Construction of Magnetic Ionic Liquid Supported Silica for Aerobic Oxidative Desulfurization in Fuel

by Fujie Liu, Ming Zhang, Yongkang Gao, Haojie Tan, Hongping Li, Chao Wang, Wenshuai Zhu and Huaming Li

Catalysts 2021, 11(12), 1496; https://0-doi-org.brum.beds.ac.uk/10.3390/catal11121496 - 09 Dec 2021

Viewed by 1735

Abstract

With the rapid growth in fuel demand, deep desulfurization of fuel oil is vitally necessary for the sake of health and environmental protection. In this work, a kind of magnetic ionic liquid supported silica is prepared by a facile ball milling method, and applied in the aerobic oxidative desulfurization of organosulfurs in fuel. The experimental results indicated that ball milling procedure can increase the specific surface area of samples, which is beneficial to oxidative desulfurization process. Under the optimal reaction conditions, the prepared materials can have an entire removal of aromatic sulfur compounds as well as a good recycling ability. Moreover, the introduction of Fe₃O₄ did not decline the desulfurization performance, but help the catalyst to be easily separated after reaction. Full article

(This article belongs to the Special Issue Frontiers in Heterogeneous Catalysts for Desulfurization of Fuel Oil)

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20 pages, 3867 KiB

Open AccessArticle

Effect of Adding Chelating Ligands on the Catalytic Performance of Rh-Promoted MoS₂ in the Hydrodesulfurization of Dibenzothiophene

by Siphumelele Majodina, Zenixole R. Tshentu and Adeniyi S. Ogunlaja

Catalysts 2021, 11(11), 1398; https://0-doi-org.brum.beds.ac.uk/10.3390/catal11111398 - 18 Nov 2021

Cited by 3 | Viewed by 2011

Abstract

Hydrodesulfurization (HDS) is a widely used process currently employed in petroleum refineries to eliminate organosulfur compounds in fuels. The current hydrotreating process struggles to remove organosulfur compounds with a steric hindrance due to the electronic nature of the current catalysts employed. In this work, the effects of adding chelating ligands such as ethylenediaminetetraacetic acid (EDTA), citric acid (CA) and acetic acid (AA) to rhodium (Rh) and active molybdenum (Mo) species for dibenzothiophene (DBT) HDS catalytic activity was evaluated. HDS activities followed the order of RhMo/ɣ-Al₂O₃ (88%) > RhMo-AA/ɣ-Al₂O₃ (73%) > RhMo-CA/ɣ-Al₂O₃ (72%) > RhMo-EDTA/ɣ-Al₂O₃ (68%). The observed trend was attributed to the different chelating ligands with varying electronic properties, thus influencing the metal–support interaction and the favorable reduction of the Mo species. RhMo/ɣ-Al₂O₃ offered the highest HDS activity due to its (i) lower metal–support interaction energy, as observed from the RhMo/ɣ-Al₂O₃ band gap of 3.779 eV and the slight shift toward the lower BE of Mo 3d, (ii) increased Mo-O-Mo species (N_Mo-O-Mo ~1.975) and (iii) better sulfidation of Rh and MoO in RhMo/ɣ-Al₂O₃ compared to the chelated catalysts. The obtained data provides that HDS catalytic activity was mainly driven by the structural nature of the RhMo-based catalyst, which influences the formation of more active sites that can enhance the HDS activity. Full article

(This article belongs to the Special Issue Frontiers in Heterogeneous Catalysts for Desulfurization of Fuel Oil)

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Review

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20 pages, 5697 KiB

Open AccessReview

A Short Review of Aerobic Oxidative Desulfurization of Liquid Fuels over Porous Materials

by Bo Yuan, Xiaolin Li and Yinyong Sun

Catalysts 2022, 12(2), 129; https://0-doi-org.brum.beds.ac.uk/10.3390/catal12020129 - 21 Jan 2022

Cited by 10 | Viewed by 3015

Abstract

Oxidative desulfurization (ODS) has attracted much attention owing to the mild working conditions and effective removal of the aromatic sulfur-containing compounds which are difficult to desulfurize using the industrial hydrodesulfurization (HDS) technique. Molecular oxygen in ambient air have been recognized as an ideal oxidant in ODS due to its easy availability, non-toxicity and low cost in recent years. However, molecular oxygen activation under mild operating conditions is still a challenge. Porous materials and their composites have drawn increasing attention due to their advantages, such as high surface area and confined pore space, along with their stability. These merits contribute to the fast diffusion of oxygen molecules and the formation of more exposed active sites, which make them ideal catalysts for aerobic oxidation reactions. The confined space pore size offers a means of catalytic activity and durability improvement. This gives rise to copious attention toward the porous catalysts in AODS. In this review, the progress in the characteristics and AODS catalytic activities of porous catalysts is summarized. Then, emphasis on the molecular oxygen activation mechanism is traced. Finally, the breakthroughs and challenges of various categories of porous catalysts are concluded. Full article

(This article belongs to the Special Issue Frontiers in Heterogeneous Catalysts for Desulfurization of Fuel Oil)

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20 pages, 3063 KiB

Open AccessFeature PaperReview

Advances in Oxidative Desulfurization of Fuel Oils over MOFs-Based Heterogeneous Catalysts

by Hongsi Luo, Yulong Gu, Daqing Liu and Yinyong Sun

Catalysts 2021, 11(12), 1557; https://0-doi-org.brum.beds.ac.uk/10.3390/catal11121557 - 20 Dec 2021

Cited by 19 | Viewed by 3992

Abstract

Catalytic oxidative desulfurization (ODS) of fuel oils is considered one of the most promising non-hydrodesulfurization technologies due to the advantages of mild reaction conditions, low cost and easy removal of aromatic sulfur compounds. Based on this reason, the preparation of highly efficient ODS catalysts has been a hot research topic in this field. Recently, metal-organic frameworks (MOFs) have attracted extensive attention due to the advantages involving abundant metal centers, high surface area, rich porosity and varied pore structures. For this, the synthesis and catalytic performance of the ODS catalysts based on MOFs materials have been widely studied. Until now, many research achievements have been obtained along this direction. In this article, we will review the advances in oxidative desulfurization of fuel oils over MOFs-based heterogeneous catalysts. The catalytic ODS performance over various types of catalysts is compared and discussed. The perspectives for future work are proposed in this field. Full article

(This article belongs to the Special Issue Frontiers in Heterogeneous Catalysts for Desulfurization of Fuel Oil)

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