Effects of nanosheet catalysts on synthesis of aromatics and light hydrocarbons from acetylene
DC Field | Value | Language |
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dc.contributor.author | Lee, Taehee | - |
dc.contributor.author | Bae, Yeongkwang | - |
dc.contributor.author | Jeon, Jonghyun | - |
dc.contributor.author | Kim, Juchan | - |
dc.contributor.author | Choi, Jungkyu | - |
dc.contributor.author | Ha, Kyoung-Su | - |
dc.date.accessioned | 2021-08-30T17:58:03Z | - |
dc.date.available | 2021-08-30T17:58:03Z | - |
dc.date.created | 2021-06-19 | - |
dc.date.issued | 2020-08-01 | - |
dc.identifier.issn | 0920-5861 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/53813 | - |
dc.description.abstract | A nanosheet zeolite ITQ-2 formed by delamination of MCM-22 zeolite precursor was used and tested as a catalyst for the aromatization of acetylene. Along with MCM-22 (calcined form of MCM-22 zeolite precursor) zeolites, the resulting materials were successfully prepared and characterized in terms of pore structure and surface property. The performance of aromatization of ITQ-2 zeolites was comparable to that of MCM-22 zeolites. Due to the isolated and thin-layer structure, ITQ-2 zeolites had a significant fraction of external active sites. This feature seemed to result in relatively higher amount of C3-C8 aliphatic compounds rather than the C6-C8 aromatic compounds because of the shortened residence and, thus, reaction time. We first found that the cumulative C3-C8 aliphatic products in the case of ITQ-2 zeolites increased with the amounts of external surface area, while no clear relation was observed for the case of MCM-22 zeolites. Second, the initial selectivity towards aromatics was found to clearly show a linear relation with the concentration of Bronsted acid sites regardless of the used catalyst. In addition, the nanosheet ITQ-2 zeolites showed a much slower deactivation unlike the traditional microporous MCM-22 zeolites. Finally, to investigate the difference in the catalytic performance, we rebuilt the reaction pathways from acetylene to the aromatics and aliphatics. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER | - |
dc.subject | SHAPE SELECTIVITY | - |
dc.subject | DELAMINATED ZEOLITES | - |
dc.subject | METHANE DEHYDROAROMATIZATION | - |
dc.subject | GLYCEROL DEHYDRATION | - |
dc.subject | ITQ-2 | - |
dc.subject | MCM-22 | - |
dc.subject | ACIDITY | - |
dc.subject | ALKYLATION | - |
dc.subject | ZSM-5 | - |
dc.subject | BETA | - |
dc.title | Effects of nanosheet catalysts on synthesis of aromatics and light hydrocarbons from acetylene | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Choi, Jungkyu | - |
dc.identifier.doi | 10.1016/j.cattod.2020.01.004 | - |
dc.identifier.scopusid | 2-s2.0-85077653020 | - |
dc.identifier.wosid | 000535706700010 | - |
dc.identifier.bibliographicCitation | CATALYSIS TODAY, v.352, pp.183 - 191 | - |
dc.relation.isPartOf | CATALYSIS TODAY | - |
dc.citation.title | CATALYSIS TODAY | - |
dc.citation.volume | 352 | - |
dc.citation.startPage | 183 | - |
dc.citation.endPage | 191 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Applied | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.subject.keywordPlus | SHAPE SELECTIVITY | - |
dc.subject.keywordPlus | DELAMINATED ZEOLITES | - |
dc.subject.keywordPlus | METHANE DEHYDROAROMATIZATION | - |
dc.subject.keywordPlus | GLYCEROL DEHYDRATION | - |
dc.subject.keywordPlus | ITQ-2 | - |
dc.subject.keywordPlus | MCM-22 | - |
dc.subject.keywordPlus | ACIDITY | - |
dc.subject.keywordPlus | ALKYLATION | - |
dc.subject.keywordPlus | ZSM-5 | - |
dc.subject.keywordPlus | BETA | - |
dc.subject.keywordAuthor | Aromatization | - |
dc.subject.keywordAuthor | Acetylene | - |
dc.subject.keywordAuthor | Light hydrocarbons | - |
dc.subject.keywordAuthor | ITQ-2 | - |
dc.subject.keywordAuthor | Nanosheet zeolite | - |
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