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Wang S, Tong H, Li H, Shi X, Liu D, Li J, Guo K, Zhao L, Song S, Chen L, Cheng W, Wang X. Synthesis of a phosphomolybdic acid/nanocrystalline titanium silicalite-1 catalyst in the presence of hydrogen peroxide for effective adsorption-oxidative desulfurization. NEW J CHEM 2022. [DOI: 10.1039/d1nj04652g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The ODS efficiency is in the order thiophene > dibenzothiophene > benzothiophene and may be attributed to the combined effect of HPMo and shape selectivity over Nano-TS-1.
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Affiliation(s)
- Siyue Wang
- Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 110629, Liaoning, China
| | - Huan Tong
- Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 110629, Liaoning, China
| | - Haonan Li
- Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 110629, Liaoning, China
| | - Xin Shi
- Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 110629, Liaoning, China
| | - Di Liu
- Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 110629, Liaoning, China
| | - Jinhong Li
- Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 110629, Liaoning, China
| | - Kaixuan Guo
- Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 110629, Liaoning, China
| | - Liu Zhao
- Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 110629, Liaoning, China
| | - Shengjie Song
- Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 110629, Liaoning, China
| | - Lidong Chen
- Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 110629, Liaoning, China
| | - Weiguo Cheng
- Beijing Key Laboratory of Ionic Liquids Clean Process, Key Laboratory of Green Process and Engineering, Chinese Academy of Sciences, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Xiangsheng Wang
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
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Rivoira L, Juárez J, Martínez ML, Beltramone A. Iron-modified mesoporous materials as catalysts for ODS of sulfur compounds. Catal Today 2020. [DOI: 10.1016/j.cattod.2018.05.030] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
Since the late 1980s, the scientific community has been attracted to microwave energy as an alternative method of heating, due to the advantages that this technology offers over conventional heating technologies. In fact, differently from these, the microwave heating mechanism is a volumetric process in which heat is generated within the material itself, and, consequently, it can be very rapid and selective. In this way, the microwave-susceptible material can absorb the energy embodied in the microwaves. Application of the microwave heating technique to a chemical process can lead to both a reduction in processing time as well as an increase in the production rate, which is obtained by enhancing the chemical reactions and results in energy saving. The synthesis and sintering of materials by means of microwave radiation has been used for more than 20 years, while, future challenges will be, among others, the development of processes that achieve lower greenhouse gas (e.g., CO2) emissions and discover novel energy-saving catalyzed reactions. A natural choice in such efforts would be the combination of catalysis and microwave radiation. The main aim of this review is to give an overview of microwave applications in the heterogeneous catalysis, including the preparation of catalysts, as well as explore some selected microwave assisted catalytic reactions. The review is divided into three principal topics: (i) introduction to microwave chemistry and microwave materials processing; (ii) description of the loss mechanisms and microwave-specific effects in heterogeneous catalysis; and (iii) applications of microwaves in some selected chemical processes, including the preparation of heterogeneous catalysts.
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Abstract
Recalcitrant sulfur compounds are common impurities in crude oil. During combustion they produce SOx derivatives that are able to affect the atmospheric ozone layer, increasing the formation of acid rains, and reducing the life of the engine due to corrosion. In the last twenty years, many efforts have been devoted to develop conventional hydrodesulfurization (HDS) procedures, as well as alternative methods, such as selective adsorption, bio-desulfurization, oxidative desulfurization (ODS) under extractive conditions (ECODS), and others. Among them, the oxidative procedures have been usually accomplished by the use of toxic stoichiometric oxidants, namely potassium permanganate, sodium bromate and carboxylic and sulfonic peracids. As an alternative, increasing interest is devoted to selective and economical procedures based upon catalytic methods. Heterogeneous catalysis is of relevance in industrial ODS processes, since it reduces the leaching of active species and favors the recovery and reuse of the catalyst for successive transformations. The heterogenization of different types of high-valent metal transition-based organometallic complexes, able to promote the activation of stoichiometric benign oxidants like peroxides, can be achieved using various solid supports. Many successful cases have been frequently associated with the use of mesoporous silicas that have the advantage of easy surface modification by reaction with organosilanes, facilitating the immobilization of homogeneous catalysts. In this manuscript the application of SBA-15 as efficient support for different active metal species, able to promote the catalytic ODS of either model or real fuels is reviewed, highlighting its beneficial properties such as high surface area, narrow pore size distribution and tunable pore diameter dimensions. Related to this topic, the most relevant advances recently published, will be discussed and critically described.
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de Mello MIS, Sobrinho EV, Teixeira da Silva V, Pergher SBC. Vanadium Incorporation in Montmorillonite Clays for Oxidative Diesel Desulfurization. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b03232] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mariele I. S. de Mello
- Pós-Graduação em Química−PPGQ and Laboratório de Peneiras Moleculares (LABPEMOL), Instituto de Química, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte 59078-970, Brazil
| | - Eledir V. Sobrinho
- Pós-Graduação em Química−PPGQ and Laboratório de Peneiras Moleculares (LABPEMOL), Instituto de Química, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte 59078-970, Brazil
| | - Victor Teixeira da Silva
- Programa de Engenharia Química, NUCAT, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 21941-914, Brazil
| | - Sibele B. C. Pergher
- Pós-Graduação em Química−PPGQ and Laboratório de Peneiras Moleculares (LABPEMOL), Instituto de Química, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte 59078-970, Brazil
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Rivoira L, Juárez J, Falcón H, Gómez Costa M, Anunziata O, Beltramone A. Vanadium and titanium oxide supported on mesoporous CMK-3 as new catalysts for oxidative desulfurization. Catal Today 2017. [DOI: 10.1016/j.cattod.2016.07.003] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Rivoira LP, Vallés VA, Ledesma BC, Ponte MV, Martínez ML, Anunziata OA, Beltramone AR. Sulfur elimination by oxidative desulfurization with titanium-modified SBA-16. Catal Today 2016. [DOI: 10.1016/j.cattod.2015.07.055] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Salmasi M, Fatemi S, Mortazavi Y. Fabrication of promoted TiO 2 nanotubes with superior catalytic activity against TiO 2 nanoparticles as the catalyst of oxi-desulfurization process. J IND ENG CHEM 2016. [DOI: 10.1016/j.jiec.2016.05.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Zarrabi M, Entezari M. Modification of C/TiO2@MCM-41 with nickel nanoparticles for photocatalytic desulfurization enhancement of a diesel fuel model under visible light. J Colloid Interface Sci 2015. [DOI: 10.1016/j.jcis.2015.07.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Ban L, Liu P, Ma C, Dai B. Deep oxidative/adsorptive desulfurization of model diesel oil by DBD/FeCl3–SiO2. Catal Today 2013. [DOI: 10.1016/j.cattod.2013.04.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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