{"created":"2024-10-25T09:53:02.648324+00:00","id":2003107,"links":{},"metadata":{"_buckets":{"deposit":"0445d237-8e4d-479a-883b-63e754e5d8d2"},"_deposit":{"created_by":7,"id":"2003107","owners":[7],"pid":{"revision_id":0,"type":"depid","value":"2003107"},"status":"published"},"_oai":{"id":"oai:tokushima-u.repo.nii.ac.jp:02003107","sets":["1713853213384:1713853295607"]},"author_link":["227","250","67","69"],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2016","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"143","bibliographicPageStart":"136","bibliographicVolumeNumber":"49","bibliographic_titles":[{"bibliographic_title":"Journal of Chemical Engineering of Japan","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"MCM-41 (#41 Mobil Composition of Matter) is a favorable material for heterogeneous reactions because of its unique porous structure. However, the catalytic activity of MCM-41 for the oxidative dehydrogenation (ODH) of isobutane to isobutene is known to be quite low. In the present study, a metal-doping method was employed to improve this catalytic activity. Doping of Cr, Co, Ni, or Mo into MCM-41 resulted in a great improvement in the catalytic activity. Since chromium-doped MCM-41 (Cr-MCM-41) showed the greatest catalytic activity among these catalysts, its redox property was further analyzed via XPS, XAFS and H2-TPR techniques. The XPS spectrum of Cr-MCM-41 suggested that it has Cr3+ and Cr6+ species on its surface. Also, a pre-edge peak due to Cr6+ species was confirmed in the XANES spectrum of Cr-MCM-41. In H2-TPR measurement, Cr-MCM-41 was more reducible than crystalline Cr2O3, which showed low catalytic activity for the ODH of isobutane. The reducible Cr6+ species on Cr-MCM-41 contributed to an improvement in the catalytic activity of MCM-41.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_rights_15":{"attribute_name":"権利情報","attribute_value_mlt":[{"subitem_rights":"Copyright © 2016 The Society of Chemical Engineers, Japan","subitem_rights_language":"en"}]},"item_10001_source_id_9":{"attribute_name":"収録物ID","attribute_value_mlt":[{"subitem_source_identifier":"00219592","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AA00709658","subitem_source_identifier_type":"NCID"}]},"item_10001_version_type_20":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_ab4af688f83e57aa","subitem_version_type":"AM"}]},"item_1715043197608":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open 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Dehydrogenation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Isobutane","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Isobutene","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"MCM-41","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Metal-Doping","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Oxidative Dehydrogenation of Isobutane to Isobutene on Metal-doped MCM-41 Catalysts","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Oxidative Dehydrogenation of Isobutane to Isobutene on Metal-doped MCM-41 Catalysts","subitem_title_language":"en"}]},"item_type_id":"40001","owner":"7","path":["1713853295607"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2016-08-22"},"publish_date":"2016-08-22","publish_status":"0","recid":"2003107","relation_version_is_last":true,"title":["Oxidative Dehydrogenation of Isobutane to Isobutene on Metal-doped MCM-41 Catalysts"],"weko_creator_id":"7","weko_shared_id":-1},"updated":"2025-01-29T05:55:33.446412+00:00"}