DC Field | Value | Language |
---|---|---|
dc.contributor.author | Wang, Q | - |
dc.contributor.author | Chung, JS | - |
dc.date.accessioned | 2016-04-01T03:06:07Z | - |
dc.date.available | 2016-04-01T03:06:07Z | - |
dc.date.created | 2010-04-26 | - |
dc.date.issued | 2009-04-30 | - |
dc.identifier.issn | 0926-860X | - |
dc.identifier.other | 2009-OAK-0000020730 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/26254 | - |
dc.description.abstract | A novel NOx storage-reduction catalyst Cu/K2Ti2O5, which uses K2Ti2O5 rather than Ba and Al2O3 as NOx storage compound as well as support, has been synthesized and investigated. Activity tests including temperature-programmed ramping, isothermal storage, and lean-rich cycling reveal that Cu/K2Ti2O5 adsorbs NOx over a very wide temperature range (200-600 degrees C), with two peak temperatures at 280 and 550 degrees C, respectively. The NOx storage and reduction mechanism over Cu/K2Ti2O5 is studied in detail. We demonstrate that, at low temperature (200-400 degrees C), NOx is adsorbed on the oxygen vacancy sites which are formed on K2Ti2O5 support during the lean-period; whereas at high temperature (500-600 degrees C), the NOx storage and reduction is explained by a structure switching between K2Ti2O5 and K2Ti6O13 caused by NO2 adsorption and de-sorption. Our results also provide another option for synthesizing NSR catalysts with K2Ti2O5 or even with other potassium containing compounds. (C) 2009 Elsevier B.V. All rights reserved. | - |
dc.description.statementofresponsibility | X | - |
dc.language | English | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.relation.isPartOf | APPLIED CATALYSIS A-GENERAL | - |
dc.title | NOx storage and reduction over Cu/K2Ti2O5 in a wide temperature range: Activity, characterization, and mechanism | - |
dc.type | Article | - |
dc.contributor.college | 화학공학과 | - |
dc.identifier.doi | 10.1016/J.APCATA.2009.01.039 | - |
dc.author.google | Wang, Q | - |
dc.author.google | Chung, JS | - |
dc.relation.volume | 358 | - |
dc.relation.issue | 1 | - |
dc.relation.startpage | 59 | - |
dc.relation.lastpage | 64 | - |
dc.contributor.id | 10069684 | - |
dc.relation.journal | APPLIED CATALYSIS A-GENERAL | - |
dc.relation.index | SCI급, SCOPUS 등재논문 | - |
dc.collections.name | Journal Papers | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | APPLIED CATALYSIS A-GENERAL, v.358, no.1, pp.59 - 64 | - |
dc.identifier.wosid | 000265237700010 | - |
dc.date.tcdate | 2019-02-01 | - |
dc.citation.endPage | 64 | - |
dc.citation.number | 1 | - |
dc.citation.startPage | 59 | - |
dc.citation.title | APPLIED CATALYSIS A-GENERAL | - |
dc.citation.volume | 358 | - |
dc.contributor.affiliatedAuthor | Chung, JS | - |
dc.identifier.scopusid | 2-s2.0-61849168133 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.wostc | 19 | - |
dc.description.scptc | 20 | * |
dc.date.scptcdate | 2018-05-121 | * |
dc.type.docType | Article | - |
dc.subject.keywordPlus | CUO/AL2O3 CATALYST-SORBENT | - |
dc.subject.keywordPlus | IN-SITU FTIR | - |
dc.subject.keywordPlus | ELEMENTAL SULFUR | - |
dc.subject.keywordPlus | SIMULTANEOUS REMOVAL | - |
dc.subject.keywordPlus | ADSORBER CATALYSTS | - |
dc.subject.keywordPlus | FUTURE CHALLENGES | - |
dc.subject.keywordPlus | SELECTIVE REMOVAL | - |
dc.subject.keywordPlus | EMISSION CONTROL | - |
dc.subject.keywordPlus | DIESEL-ENGINES | - |
dc.subject.keywordPlus | SCR ACTIVITY | - |
dc.subject.keywordAuthor | Potassium titanate | - |
dc.subject.keywordAuthor | NOx storage | - |
dc.subject.keywordAuthor | Oxygen vacancy | - |
dc.subject.keywordAuthor | Structure change | - |
dc.subject.keywordAuthor | K2Ti6O13 | - |
dc.subject.keywordAuthor | Vehicle emission | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Environmental Sciences | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Environmental Sciences & Ecology | - |
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