EFFECTS OF TRANSITION-METAL ADDITION TO COMO/GAMMA-AL2O3 CATALYST ON THE HYDROTREATING REACTIONS OF ATMOSPHERIC RESIDUAL OIL

Cited 33 time in webofscience Cited 0 time in scopus
  • Hit : 132
  • Download : 0
DC FieldValueLanguage
dc.contributor.authorLEE, DKko
dc.contributor.authorLEE, ICko
dc.contributor.authorWoo, Seong-Ihlko
dc.date.accessioned2019-03-06T19:50:38Z-
dc.date.available2019-03-06T19:50:38Z-
dc.date.created2012-02-06-
dc.date.issued1994-03-
dc.identifier.citationAPPLIED CATALYSIS A-GENERAL, v.109, no.2, pp.195 - 210-
dc.identifier.issn0926-860X-
dc.identifier.urihttp://hdl.handle.net/10203/250742-
dc.description.abstractThe effects of transition metal addition to a commercial CoMo/gamma-Al2O3 catalyst on the hydrotreatment of atmospheric residual oil were investigated using a continuous flow fixed bed reactor operated at 420-degrees-C and 6.9 MPa. Nickel, ruthenium and tungsten were used as an additive to the catalyst. Catalyst performances were evaluated in terms of activities and initial deactivation rates in sulfur removal, conversion of heavier to lighter oil fractions, and removal of asphaltenes. Among the metal additive-modified CoMo/gamma-Al2O3 catalysts, NiCoMo/gamma-Al2O3 and WCoMo/gamma-Al2O3 showed a more improved reaction performance than commercial CoMo/gamma-Al2O3 whereas RuCoMo/gamma-Al2O3 did not. The performance improvements observed after addition of nickel or tungsten were thought to be mainly a result of the promotion effect on the catalytic activity in hydrodesulfurization. Significant improvements of catalyst performance were obtained by the addition of a small amount of tungsten (0.5 wt.-%). Tungsten was considered to be promising as a secondary promoter of CoMo/gamma-Al2O3.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectALUMINA CATALYSTS-
dc.subjectHYDRODESULFURIZATION ACTIVITY-
dc.subjectASPHALTENE CRACKING-
dc.subjectHEAVY OILS-
dc.subjectGAS OIL-
dc.subjectHYDRODENITROGENATION CATALYSTS-
dc.subjectCALCINATION TEMPERATURE-
dc.subjectNICO-MO/AL2O3 CATALYSTS-
dc.subjectNICKEL-
dc.subjectPHOSPHORUS-
dc.titleEFFECTS OF TRANSITION-METAL ADDITION TO COMO/GAMMA-AL2O3 CATALYST ON THE HYDROTREATING REACTIONS OF ATMOSPHERIC RESIDUAL OIL-
dc.typeArticle-
dc.identifier.wosidA1994NA94700003-
dc.identifier.scopusid2-s2.0-0028762731-
dc.type.rimsART-
dc.citation.volume109-
dc.citation.issue2-
dc.citation.beginningpage195-
dc.citation.endingpage210-
dc.citation.publicationnameAPPLIED CATALYSIS A-GENERAL-
dc.contributor.localauthorWoo, Seong-Ihl-
dc.contributor.nonIdAuthorLEE, DK-
dc.contributor.nonIdAuthorLEE, IC-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorCOBALT-
dc.subject.keywordAuthorMOLYBDENUM-
dc.subject.keywordAuthorHEAVY PETROLEUM RESIDUAL OIL-
dc.subject.keywordAuthorHYDROTREATING-
dc.subject.keywordAuthorNICKEL-
dc.subject.keywordAuthorRUTHENIUM-
dc.subject.keywordAuthorTRANSITION METAL ADDITIVES-
dc.subject.keywordAuthorTUNGSTEN COBALT MOLYBDENUM-
dc.subject.keywordPlusALUMINA CATALYSTS-
dc.subject.keywordPlusHYDRODESULFURIZATION ACTIVITY-
dc.subject.keywordPlusASPHALTENE CRACKING-
dc.subject.keywordPlusHEAVY OILS-
dc.subject.keywordPlusGAS OIL-
dc.subject.keywordPlusHYDRODENITROGENATION CATALYSTS-
dc.subject.keywordPlusCALCINATION TEMPERATURE-
dc.subject.keywordPlusNICO-MO/AL2O3 CATALYSTS-
dc.subject.keywordPlusNICKEL-
dc.subject.keywordPlusPHOSPHORUS-
Appears in Collection
CBE-Journal Papers(저널논문)
Files in This Item
There are no files associated with this item.
This item is cited by other documents in WoS
⊙ Detail Information in WoSⓡ Click to see webofscience_button
⊙ Cited 33 items in WoS Click to see citing articles in records_button

qr_code

  • mendeley

    citeulike


rss_1.0 rss_2.0 atom_1.0