Applied Catalysis最新文献

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Methylbutynol: a new and simple diagnostic tool for acidic and basic sites of solids 甲基丁醇:一个新的和简单的诊断工具,酸性和碱性的固体
Applied Catalysis Pub Date : 1991-11-12 DOI: 10.1016/0166-9834(91)80107-8
H. Lauron-Pernot *, F. Luck, J.M. Popa
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引用次数: 136
Carbon monoxide hydrogenation over iron oxide, subjected to shear deformation under high pressure: role of vacancies 一氧化碳氢化过氧化铁,在高压下受到剪切变形:空位的作用
Applied Catalysis Pub Date : 1991-11-12 DOI: 10.1016/0166-9834(91)80108-9
O.S. Morozova *, yu.v. Maksimov, D.P. Shashkin, P.A. Shirjaev, V.V. Matveyev, V.A. Zhorin, O.V. Krylov, G.N. Krjukova
{"title":"Carbon monoxide hydrogenation over iron oxide, subjected to shear deformation under high pressure: role of vacancies","authors":"O.S. Morozova *,&nbsp;yu.v. Maksimov,&nbsp;D.P. Shashkin,&nbsp;P.A. Shirjaev,&nbsp;V.V. Matveyev,&nbsp;V.A. Zhorin,&nbsp;O.V. Krylov,&nbsp;G.N. Krjukova","doi":"10.1016/0166-9834(91)80108-9","DOIUrl":"https://doi.org/10.1016/0166-9834(91)80108-9","url":null,"abstract":"<div><p>The formation of catalytically active structures m both “unloaded” polycrystalline α-Fe<sub>2</sub>O<sub>3</sub> and “loaded”, i.e. subjected to shear deformation under high pressure (SD+HP), was studied by “in situ” X-ray diffraction in an atmosphere of carbon monoxide and hydrogen, by transmission electron microscopy and by Mössbauer spectroscopy. Two main stages were observed in the activation process which correspond to different degrees of iron oxide reduction. The first stage (270–290°C ) was the reduction to nonstoichiometric magnetite, accompanied by carbon monoxide hydrogenation to saturated hydrocarbons. The second stage ( &gt; 300 °C ) was the deep reduction to nonstoichiometric magnetite and clusters of iron carbide, accompanied by the appearance of unsaturated hydrocarbons. The overall catalytic activity was shown to be a function of both total length of spinel-carbide phase boundaries and the topology of the interface. In the case of the “unloaded” sample the formation of intercalated particles of carbide phase with alternating spinel-carbide layers led to a higher activity than that of the “loaded” one. Loose aggregates of carbide particles formed on the “loaded” sample block up active centres on the spinel surface and reduce the total activity. The nature of active centres on the surface of nonstoichiometric magnetite is discussed.</p></div>","PeriodicalId":8091,"journal":{"name":"Applied Catalysis","volume":"78 2","pages":"Pages 227-239"},"PeriodicalIF":0.0,"publicationDate":"1991-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0166-9834(91)80108-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91731130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Calendar of forthcoming events 即将举行的活动日历
Applied Catalysis Pub Date : 1991-11-12 DOI: 10.1016/0166-9834(91)80122-D
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引用次数: 0
Carbon monoxide hydrogenation over iron oxide, subjected to shear deformation under high pressure: role of vacancies 一氧化碳氢化过氧化铁,在高压下受到剪切变形:空位的作用
Applied Catalysis Pub Date : 1991-11-12 DOI: 10.1016/0166-9834(91)80108-9
O. Morozova, Y. Maksimov, D. P. Shashkin, P. A. Shirjaev, V. Matveyev, V. Zhorin, O. Krylov, G. Krjukova
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引用次数: 12
Factors controlling the reactivity of the silica surface in methane partial oxidation 甲烷部分氧化过程中二氧化硅表面反应性的控制因素
Applied Catalysis Pub Date : 1991-11-12 DOI: 10.1016/0166-9834(91)80102-3
A. Parmaliana, F. Frusteri, D. Miceli, A. Mezzapica, M. Scurrell, N. Giordano
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引用次数: 30
Vanadia/titania catalysts in selective catalytic reduction of nitric oxide with ammonia 钒/钛催化剂在氨选择性催化还原一氧化氮中的应用
Applied Catalysis Pub Date : 1991-11-12 DOI: 10.1016/0166-9834(91)80109-A
Yeping Cai, U. Ozkan
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引用次数: 29
Tailpiece 附属物
Applied Catalysis Pub Date : 1991-11-12 DOI: 10.1016/0166-9834(91)80123-E
Otto Lilienthal
{"title":"Tailpiece","authors":"Otto Lilienthal","doi":"10.1016/0166-9834(91)80123-E","DOIUrl":"https://doi.org/10.1016/0166-9834(91)80123-E","url":null,"abstract":"","PeriodicalId":8091,"journal":{"name":"Applied Catalysis","volume":"78 2","pages":"Pages N22-N24"},"PeriodicalIF":0.0,"publicationDate":"1991-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0166-9834(91)80123-E","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136893958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sulphur recovery 硫磺回收
Applied Catalysis Pub Date : 1991-11-12 DOI: 10.1016/0166-9834(91)80116-E
{"title":"Sulphur recovery","authors":"","doi":"10.1016/0166-9834(91)80116-E","DOIUrl":"https://doi.org/10.1016/0166-9834(91)80116-E","url":null,"abstract":"","PeriodicalId":8091,"journal":{"name":"Applied Catalysis","volume":"78 2","pages":"Page N17"},"PeriodicalIF":0.0,"publicationDate":"1991-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0166-9834(91)80116-E","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136893959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Factors controlling the reactivity of the silica surface in methane partial oxidation 甲烷部分氧化过程中二氧化硅表面反应性的控制因素
Applied Catalysis Pub Date : 1991-11-12 DOI: 10.1016/0166-9834(91)80102-3
A. Parmaliana *, F. Frusteri, D. Miceli, A. Mezzapica, M.S. Scurrell, N. Giordano
{"title":"Factors controlling the reactivity of the silica surface in methane partial oxidation","authors":"A. Parmaliana *,&nbsp;F. Frusteri,&nbsp;D. Miceli,&nbsp;A. Mezzapica,&nbsp;M.S. Scurrell,&nbsp;N. Giordano","doi":"10.1016/0166-9834(91)80102-3","DOIUrl":"https://doi.org/10.1016/0166-9834(91)80102-3","url":null,"abstract":"<div><p>Catalytic partial oxidation of methane with oxygen on several oxide supports has been studied by using a batch reactor. The reactivity of various commercial SiO<sub>2</sub> samples at 520°C (“precipitated”, “extruded”, “gel” and “fumed”), expressed in terms of space time yield to HCHO, has been particularly ascertained with reference to their preparation method and sodium content. The “highest” activity of the “precipitated” SiO<sub>2</sub> sample is further enhanced by heat-treatment at 1000°C.</p></div>","PeriodicalId":8091,"journal":{"name":"Applied Catalysis","volume":"78 2","pages":"Pages L7-L12"},"PeriodicalIF":0.0,"publicationDate":"1991-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0166-9834(91)80102-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91731065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 29
New catalytic technology commercialized in the USA during the 1980's 20世纪80年代,新的催化技术在美国实现了商业化
Applied Catalysis Pub Date : 1991-11-12 DOI: 10.1016/0166-9834(91)80103-4
John N. Armor
{"title":"New catalytic technology commercialized in the USA during the 1980's","authors":"John N. Armor","doi":"10.1016/0166-9834(91)80103-4","DOIUrl":"https://doi.org/10.1016/0166-9834(91)80103-4","url":null,"abstract":"<div><p>This article reviews catalytic chemical, petroleum, and environmental technology which was successfully commercialized during the decade of the 80's within the USA. This survey is condensed into four major tables (Chemical Processes, Emission Control Catalysts, Polymers, and Petroleum Refining and Petrochemical Processes) providing over 90 specific examples of newly commercialized catalytic technology with extensive references. This review demonstrates that catalytic chemistry clearly continued to play a major role in enhancing a number of businesses on a worldwide basis. In addition some perspectives are provided for future developments in catalyst technology during the next decade.</p></div>","PeriodicalId":8091,"journal":{"name":"Applied Catalysis","volume":"78 2","pages":"Pages 141-173"},"PeriodicalIF":0.0,"publicationDate":"1991-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0166-9834(91)80103-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91731128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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