Si-pillared MFI zeolites as promising supports for HDS catalysts

IF 1.8 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
M. C. Maciel Arreola, J. A. Medina Cervantes, R. I. Yocupicio Gaxiola, A. Infantes Molina, R. Huirache-Acuña, S. Fuentes Moyado, G. Alonso Núñez
{"title":"Si-pillared MFI zeolites as promising supports for HDS catalysts","authors":"M. C. Maciel Arreola, J. A. Medina Cervantes, R. I. Yocupicio Gaxiola, A. Infantes Molina, R. Huirache-Acuña, S. Fuentes Moyado, G. Alonso Núñez","doi":"10.1557/s43579-024-00603-x","DOIUrl":null,"url":null,"abstract":"<p>Nickel and cobalt sulfide-based catalysts supported on a silicon-pillared MFI zeolite were synthesized, characterized, and tested in the hydrodesulfurization reaction of dibenzothiophene. The metallic phases were incorporated by following the incipient wetness impregnation process, and different techniques were employed to determine the physicochemical properties of the obtained catalysts, such as X-ray diffraction, N<sub>2</sub> adsorption–desorption at – 196 °C, Infrared Spectroscopy and High-Resolution Transmission Electron Microscopy. The catalytic performance in the hydrodesulfurization of dibenzothiophene showed that the NiW catalyst was the most active due to the redispersion of NiS on WS<sub>2</sub> to form the active NiWS phase. Instead, the desired CoWS phase did not occur under the presence of cobalt, and therefore, the catalytic performance worsened.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\n","PeriodicalId":19016,"journal":{"name":"MRS Communications","volume":"37 1","pages":""},"PeriodicalIF":1.8000,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"MRS Communications","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1557/s43579-024-00603-x","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0

Abstract

Nickel and cobalt sulfide-based catalysts supported on a silicon-pillared MFI zeolite were synthesized, characterized, and tested in the hydrodesulfurization reaction of dibenzothiophene. The metallic phases were incorporated by following the incipient wetness impregnation process, and different techniques were employed to determine the physicochemical properties of the obtained catalysts, such as X-ray diffraction, N2 adsorption–desorption at – 196 °C, Infrared Spectroscopy and High-Resolution Transmission Electron Microscopy. The catalytic performance in the hydrodesulfurization of dibenzothiophene showed that the NiW catalyst was the most active due to the redispersion of NiS on WS2 to form the active NiWS phase. Instead, the desired CoWS phase did not occur under the presence of cobalt, and therefore, the catalytic performance worsened.

Graphical abstract

Abstract Image

作为加氢脱硫催化剂的理想支撑物的硅柱 MFI 沸石
在二苯并噻吩的加氢脱硫反应中,合成、表征并测试了硅柱 MFI 沸石上支撑的镍和钴硫化物基催化剂。通过初湿浸渍工艺掺入了金属相,并采用不同的技术测定了所获催化剂的理化性质,如 X 射线衍射、- 196 °C 下的 N2 吸附-解吸、红外光谱和高分辨率透射电子显微镜。二苯并噻吩加氢脱硫的催化性能表明,NiW 催化剂的活性最高,这是因为 NiS 在 WS2 上重新分散形成了活性 NiWS 相。相反,在钴存在的情况下,并没有出现所需的 CoWS 相,因此催化性能恶化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
MRS Communications
MRS Communications MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
2.60
自引率
10.50%
发文量
166
审稿时长
>12 weeks
期刊介绍: MRS Communications is a full-color, high-impact journal focused on rapid publication of completed research with broad appeal to the materials community. MRS Communications offers a rapid but rigorous peer-review process and time to publication. Leveraging its access to the far-reaching technical expertise of MRS members and leading materials researchers from around the world, the journal boasts an experienced and highly respected board of principal editors and reviewers.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信