Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/22563
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dc.contributor.authorLi, Chao'enen
dc.contributor.authorLe Minh, Camen
dc.contributor.authorBrown, Trevoren
dc.date.accessioned2018-02-19T09:59:00Z
dc.date.issued1998en
dc.identifier.citationJournal of Catalysis, 178(1), p. 275-283en
dc.identifier.issn0021-9517en
dc.identifier.issn1090-2694en
dc.identifier.urihttps://hdl.handle.net/1959.11/22563en
dc.description.abstractThe reaction kinetics of evolved carbon monoxide and carbon dioxide during the temperature programmed oxidation (TPO) of an industrially spent fluid cracking catalyst have been investigated. Two pathways to CO and two to CO2evolution, all involving either undissociated or dissociated surface oxide complexes, were assumed. Rate coefficient parameters and O2reaction orders were then optimized to simulate the TPO profiles recorded over a range of conditions: heating rates of 2, 5 and 10°C and O2partial pressures of 0.939, 1.11, and 5.0% in an atmosphere of N2. Evolution rates of CO during TPO are independent of the O2partial pressure, whereas an order of 0.75 is indicated for CO2formation. Because of differences in assumed mechanisms and carbon substrates, calculated preexponential factors and activation energies can not be readily compared with literature values, although some comparisons are made. If the heating rate is high (≥5°C min-1) and the oxygen partial pressure is low (≤1%), the shape of TPO profiles for highly saturated hydrocarbon coke deposited on cracking catalyst are affected by changes in the rate-determining step with increasing temperature.en
dc.languageenen
dc.publisherAcademic Pressen
dc.relation.ispartofJournal of Catalysisen
dc.titleKinetics of CO and CO2 Evolution During the Temperature-Programmed Oxidation of Coke Deposited on Cracking Catalystsen
dc.typeJournal Articleen
dc.identifier.doi10.1006/jcat.1998.2135en
dc.subject.keywordsPhysical Chemistry of Materialsen
dc.subject.keywordsCatalysis and Mechanisms of Reactionsen
dc.subject.keywordsChemical Characterisation of Materialsen
local.contributor.firstnameChao'enen
local.contributor.firstnameCamen
local.contributor.firstnameTrevoren
local.subject.for2008030304 Physical Chemistry of Materialsen
local.subject.for2008030301 Chemical Characterisation of Materialsen
local.subject.for2008030601 Catalysis and Mechanisms of Reactionsen
local.subject.seo2008970102 Expanding Knowledge in the Physical Sciencesen
local.subject.seo2008970103 Expanding Knowledge in the Chemical Sciencesen
local.subject.seo2008970109 Expanding Knowledge in Engineeringen
local.profile.schoolSchool of Science and Technologyen
local.profile.emailtbrown3@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-chute-20170306-113426en
local.publisher.placeUnited States of Americaen
local.format.startpage275en
local.format.endpage283en
local.peerreviewedYesen
local.identifier.volume178en
local.identifier.issue1en
local.contributor.lastnameLien
local.contributor.lastnameLe Minhen
local.contributor.lastnameBrownen
dc.identifier.staffune-id:tbrown3en
local.profile.orcid0000-0003-0008-1309en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:22751en
local.identifier.handlehttps://hdl.handle.net/1959.11/22563en
dc.identifier.academiclevelAcademicen
local.title.maintitleKinetics of CO and CO2 Evolution During the Temperature-Programmed Oxidation of Coke Deposited on Cracking Catalystsen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.description.statisticsepubsVisitors: 6<br />Views: 30<br />Downloads: 5en
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