{"_buckets": {"deposit": "60fea4ae-a065-41d1-a4cf-22c8f0fbdc71"}, "_deposit": {"id": "28273", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "28273"}, "status": "published"}, "_oai": {"id": "oai:niigata-u.repo.nii.ac.jp:00028273"}, "item_7_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "\u6c34\u84b8\u6c17\u30ac\u30b9\u5316\u306b\u3088\u308b\u30d0\u30a4\u30aa\u30c1\u30e3\u30fc\u304b\u3089\u306e\u9ad8\u6c34\u7d20\u542b\u6709\u30ac\u30b9\u306e\u751f\u7523 : \u30d0\u30a4\u30aa\u30c1\u30e3\u30fc\u306e\u7279\u6027\u304a\u3088\u3073\u53cd\u5fdc\u6e29\u5ea6\u3001\u6c34\u84b8\u6c17\u4f9b\u7d66\u901f\u5ea6\u306e\u30ac\u30b9\u7d44\u6210\u3068\u6c34\u7d20\u53ce\u91cf\u306e\u4e0e\u3048\u308b\u5f71\u97ff"}]}, "item_7_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2015-03", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "2", "bibliographicPageEnd": "124", "bibliographicPageStart": "117", "bibliographicVolumeNumber": "67", "bibliographic_titles": [{"bibliographic_title": "\u65b0\u6f5f\u5927\u5b66\u8fb2\u5b66\u90e8\u7814\u7a76\u5831\u544a"}, {"bibliographic_title": "\u65b0\u6f5f\u5927\u5b66\u8fb2\u5b66\u90e8\u7814\u7a76\u5831\u544a", "bibliographic_titleLang": "en"}]}]}, "item_7_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "We have proposed two stage thermal gasification, carbonization stage and steam gasification stage, as a new system, in which any by-products such as tar are not produced. In this new gasification system, effects of wood resources used to biochar production, char particle size, gasification temperature, and steam supply rate on gasification rate and hydrogen gas yield were estimated with a small electrical simple furnace. On this gasification, hydrogen gas was produced in a yield close to the theoretical value, and by-products such as tar and oil were not formed in steam gasification process. Therefore, it is considered that the thermal gasification reaction of char with steam proceeded in a very simple mechanism. The difference of wood resources had a small effect on the bio-char steam gasification, and physical properties such as density had a slight effect on gasification rate. Increases in gasification temperature and steam supply rate changed the water gas and watergas shift reaction rates. The produced gases contained hydrogen gas in higher content from 56 to 62vol. %, which contained carbon monoxide from 12 to 32vol. %. Specific higher heating values of the gases were around 12MJ/m^3 and total calories of the gases were over 50MJ/kg of bio-char. Increase in char particle size caused higher gasification rate because of decrease in the bulk density.", "subitem_description_type": "Abstract"}, {"subitem_description": 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"file_order": 0, "filename": "67(2)_117-124.pdf", "filesize": [{"value": "1.1 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 1100000.0, "url": {"label": "67(2)_117-124.pdf", "url": "https://niigata-u.repo.nii.ac.jp/record/28273/files/67(2)_117-124.pdf"}, "version_id": "a48784ec-f402-4ef8-b4df-b94d818ddcfb"}]}, "item_keyword": {"attribute_name": "\u30ad\u30fc\u30ef\u30fc\u30c9", "attribute_value_mlt": [{"subitem_subject": "Bio-char", "subitem_subject_scheme": "Other"}, {"subitem_subject": "steam gasification", "subitem_subject_scheme": "Other"}, {"subitem_subject": "hydrogen production", "subitem_subject_scheme": "Other"}, {"subitem_subject": "reaction rate", "subitem_subject_scheme": "Other"}, {"subitem_subject": "\u30d0\u30a4\u30aa\u30c1\u30e3\u30fc", "subitem_subject_scheme": "Other"}, {"subitem_subject": "\u6c34\u84b8\u6c17\u30ac\u30b9\u5316", "subitem_subject_scheme": "Other"}, {"subitem_subject": "\u6c34\u7d20\u751f\u7523", "subitem_subject_scheme": "Other"}, {"subitem_subject": "\u53cd\u5fdc\u901f\u5ea6", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "\u8a00\u8a9e", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Hydrogen-rich gas production by steam gasification of bio-char : Influence of char characters, reaction temperature and steam supply on gas composition and hydrogen gas yield", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "Hydrogen-rich gas production by steam gasification of bio-char : Influence of char characters, reaction temperature and steam supply on gas composition and hydrogen gas yield"}, {"subitem_title": "Hydrogen-rich gas production by steam gasification of bio-char : Influence of char characters, reaction temperature and steam supply on gas composition and hydrogen gas yield", "subitem_title_language": "en"}]}, "item_type_id": "7", "owner": "1", "path": ["453/456", "485/872/1583/1587"], "permalink_uri": "http://hdl.handle.net/10191/32050", "pubdate": {"attribute_name": "\u516c\u958b\u65e5", "attribute_value": "2015-04-20"}, "publish_date": "2015-04-20", "publish_status": "0", "recid": "28273", "relation": {}, "relation_version_is_last": true, "title": ["Hydrogen-rich gas production by steam gasification of bio-char : Influence of char characters, reaction temperature and steam supply on gas composition and hydrogen gas yield"], "weko_shared_id": null}