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Studies of an alkali impregnated cobalt-molybdate catalyst for the water-gas shift and the methanation reactions

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dc.contributor.authorBerispek, Vasfien
dc.contributor.committeechairRony, Peter R.en
dc.contributor.committeechairWightman, James P.en
dc.contributor.committeememberWills, George B.en
dc.contributor.departmentChemical Engineeringen
dc.date.accessioned2014-03-14T21:30:20Zen
dc.date.adate2010-02-23en
dc.date.available2014-03-14T21:30:20Zen
dc.date.issued1975-03-08en
dc.date.rdate2010-02-23en
dc.date.sdate2010-02-23en
dc.description.abstractOn the basis of our investigation of the "Aldridge" catalyst, an alkali impregnated cobalt0-molybdate on an A1 203 support, for the water-gas shift, methanation, and ethanol dehydration reactions, we can make the following conclusions: 1. The cesium-impregnated "Aldridge" catalyst is highly active for the water-gas shift reaction under sulfur tolerant conditions. 2. The activity of this catalyst is strongly dependent upon the cesium:molybdenum molar ratio. The normalized first order rate constant increases with this ratio until an optimum is reached for the full strength and half strength catalyst. 3. The transition temperatures appeared only with the cesium-impregnated full and half strength catalysts, but not with the one-fifth catalysts. 4. The potassium-impregnated cobalt-molybdate catalyst is quite active, in Comparison to lithium- and sodium-impregnated versions. 5. The cesium-impregnated zinc-molybdate catalyst is not as active as the unimpregnated cobalt-molybdate. Its activity is approximately half that of catalyst "Z" at 400°C. 6. We don't believe that the "Aldridge" catalyst is a catalytic melt.en
dc.description.degreeMaster of Scienceen
dc.format.extent269 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-02232010-020334en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-02232010-020334/en
dc.identifier.urihttp://hdl.handle.net/10919/41280en
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1975.B45.pdfen
dc.relation.isformatofOCLC# 07184474en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectwater-gas shift reactionsen
dc.subject.lccLD5655.V855 1975.B45en
dc.titleStudies of an alkali impregnated cobalt-molybdate catalyst for the water-gas shift and the methanation reactionsen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineChemical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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