{"created":"2023-06-19T10:28:42.290786+00:00","id":8212,"links":{},"metadata":{"_buckets":{"deposit":"bb97b231-4eae-4ebf-a83d-8ad8c956c076"},"_deposit":{"created_by":18,"id":"8212","owners":[18],"pid":{"revision_id":0,"type":"depid","value":"8212"},"status":"published"},"_oai":{"id":"oai:muroran-it.repo.nii.ac.jp:00008212","sets":["216:407:301","35:165"]},"author_link":["52877","41167","4708","754"],"item_77_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1994-11-25","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"56","bibliographicPageStart":"39","bibliographicVolumeNumber":"44","bibliographic_titles":[{"bibliographic_title":"室蘭工業大学研究報告. 理工編","bibliographic_titleLang":"ja"},{"bibliographic_title":"Memoirs of the Muroran Institute of Technology. Science and engineering","bibliographic_titleLang":"en"}]}]},"item_77_description_23":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_77_description_7":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Natural zeolites were modified with 1-5N of mineral acid(H₂S0₄, HCl，H₃P0₄) and ammonium salt((NH₄)₂S0₄，NH₄Cl，NH₄N0₃，N H₄F) aqueous solutions followed by calcination at 500⁰C and their catalyticactivities for various acid-catalyzed reaction such as dehydration of 2-propanol，cracking of cumene and nhexane，disproportionation and alkylation of toluene，conversion of methanol，etc. were investigated by use of fixed bed flow reactor. It was revealed that the catalytic activities of natural zeolites for these acidcatalyzed reactions were remarkably enhanced by the modification with these acid and ammonium salt solutions. The cause of enhancement of catalytic activities of natural zeolites by modification with these acid and ammonium salt aqueous solutions was supposed to be due to the increase of surface acidity of natural zeolites by these pretreatmentsIt can be concluded that there is a possibility of usage of modified natural zeolites as highly active catalysts for various hydrocarbon conversions instead of synthetic zeolites.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_77_link_5":{"attribute_name":"室蘭工業大学研究者データベースへのリンク","attribute_value_mlt":[{"subitem_link_text":"上道 芳夫（UEMICHI Yoshio）","subitem_link_url":"http://rdsoran.muroran-it.ac.jp/html/100000169_ja.html"}]},"item_77_publisher_11":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"室蘭工業大学","subitem_publisher_language":"ja"}]},"item_77_relation_15":{"attribute_name":"論文ID（NAID）","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"110000351874","subitem_relation_type_select":"NAID"}}]},"item_77_rights_19":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"© 1994 室蘭工業大学","subitem_rights_language":"ja"}]},"item_77_source_id_12":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"05802415","subitem_source_identifier_type":"PISSN"}]},"item_77_source_id_14":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00238225","subitem_source_identifier_type":"NCID"}]},"item_77_subject_9":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"431.35","subitem_subject_scheme":"NDC"}]},"item_77_version_type_21":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open 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ユキコ","creatorNameLang":"ja-Kana"}],"familyNames":[{},{},{}],"givenNames":[{},{},{}],"nameIdentifiers":[{}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[],"affiliationNames":[{"affiliationName":""}]}],"creatorNames":[{"creatorName":"UEMICHI,  Yoshio","creatorNameLang":"en"},{"creatorName":"上道, 芳夫","creatorNameLang":"ja"},{"creatorName":"ウエミチ, ヨシオ","creatorNameLang":"ja-Kana"}],"familyNames":[{},{},{}],"givenNames":[{},{},{}],"nameIdentifiers":[{},{}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[],"affiliationNames":[{"affiliationName":""}]}],"creatorNames":[{"creatorName":"杉岡,  正敏","creatorNameLang":"ja"},{"creatorName":"スギオカ, マサトシ","creatorNameLang":"ja-Kana"},{"creatorName":"SUGIOKA, 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