{"created":"2023-06-19T10:28:49.525886+00:00","id":8386,"links":{},"metadata":{"_buckets":{"deposit":"6ac6cac4-3a2f-4a76-9b9b-4ea66109df28"},"_deposit":{"created_by":18,"id":"8386","owners":[18],"pid":{"revision_id":0,"type":"depid","value":"8386"},"status":"published"},"_oai":{"id":"oai:muroran-it.repo.nii.ac.jp:00008386","sets":["216:407:301","35:177"]},"author_link":["3813","52517","52519","52520","52521","754","52518","4708"],"item_77_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003-11","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"34","bibliographicPageStart":"29","bibliographicVolumeNumber":"53","bibliographic_titles":[{"bibliographic_title":"室蘭工業大学紀要","bibliographic_titleLang":"ja"},{"bibliographic_title":"Memoirs of the Muroran Institute of Technology","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":"In order to develop a new recycling technology for waste plastics, catalytic degradation of low-density polyethylene has been investigated using a batch reactor system, in which the polymer thermally degraded first and the resulting decomposed fragments underwent further cracking on H-borosilicate catalyst. The presence of the boron catalyst was highly effective for converting the polymer into such lower alkenes as propene, butenes, and pentenes. Propene was more produced with decreasing thermal degradation temperature and increasing catalytic degradation temperature. However, the yield of the alkenes produced in the batch system was lower than that obtained in a fixed-bed flow reactor system. An excessive occurrence of the thermal degradation of polyethylene in the former might lead to a lowering of the alkenes yield, suggesting that the primary thermal reaction should be properly controlled to produce lower alkenes selectively in the subsequent catalytic process.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_77_description_8":{"attribute_name":"注記","attribute_value_mlt":[{"subitem_description":"特集 : 「環境調和型社会を指向して」","subitem_description_language":"ja","subitem_description_type":"Other"}]},"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":"110001044313","subitem_relation_type_select":"NAID"}}]},"item_77_rights_19":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"© 2003 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Feedstocks","subitem_title_language":"en"}]},"item_type_id":"77","owner":"18","path":["177","301"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2007-05-23"},"publish_date":"2007-05-23","publish_status":"0","recid":"8386","relation_version_is_last":true,"title":["ポリエチレンの接触分解による石油化学原料化ケミカルリサイクル"],"weko_creator_id":"18","weko_shared_id":-1},"updated":"2024-01-25T01:29:01.297967+00:00"}