{"title":"加氢脱硫催化剂的原位拉曼研究","authors":"Achim Müller *, Thomas Weber","doi":"10.1016/0166-9834(91)80069-9","DOIUrl":null,"url":null,"abstract":"<div><p>Raman spectra of a commercial Co-Mo/Al<sub>2</sub>O<sub>3</sub> hydrodesulphurization catalyst were recorded in an H<sub>2</sub>S/H<sub>2</sub> atmosphere at 400°C by means of a specially designed in-situ cell. For an improvement of the signal to noise ratio the incident laser beam was scanned over the surface of the sample by reflection from a rotating octagon. The spectra proof that the so called “Co-Mo-S” crystallites are present as an MoS<sub>2</sub>-type layered material with an average particle size of each slab being larger than sometimes proposed up to now.</p></div>","PeriodicalId":8091,"journal":{"name":"Applied Catalysis","volume":"77 2","pages":"Pages 243-250"},"PeriodicalIF":0.0000,"publicationDate":"1991-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0166-9834(91)80069-9","citationCount":"19","resultStr":"{\"title\":\"In situ raman investigation of hydrodesulphurization catalysts\",\"authors\":\"Achim Müller *, Thomas Weber\",\"doi\":\"10.1016/0166-9834(91)80069-9\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Raman spectra of a commercial Co-Mo/Al<sub>2</sub>O<sub>3</sub> hydrodesulphurization catalyst were recorded in an H<sub>2</sub>S/H<sub>2</sub> atmosphere at 400°C by means of a specially designed in-situ cell. For an improvement of the signal to noise ratio the incident laser beam was scanned over the surface of the sample by reflection from a rotating octagon. The spectra proof that the so called “Co-Mo-S” crystallites are present as an MoS<sub>2</sub>-type layered material with an average particle size of each slab being larger than sometimes proposed up to now.</p></div>\",\"PeriodicalId\":8091,\"journal\":{\"name\":\"Applied Catalysis\",\"volume\":\"77 2\",\"pages\":\"Pages 243-250\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-10-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0166-9834(91)80069-9\",\"citationCount\":\"19\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Applied Catalysis\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0166983491800699\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Catalysis","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0166983491800699","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In situ raman investigation of hydrodesulphurization catalysts
Raman spectra of a commercial Co-Mo/Al2O3 hydrodesulphurization catalyst were recorded in an H2S/H2 atmosphere at 400°C by means of a specially designed in-situ cell. For an improvement of the signal to noise ratio the incident laser beam was scanned over the surface of the sample by reflection from a rotating octagon. The spectra proof that the so called “Co-Mo-S” crystallites are present as an MoS2-type layered material with an average particle size of each slab being larger than sometimes proposed up to now.
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