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An empirically developed relationship between biological growth and substrate utitization that is commonly used for biological systems stabilizing organic wastes is: (ds)/(dt)=-a (dL)/(dt)-K\u2083S (1) where S=sludge concentration present (ppm), a=growth-yield coefficient (ppm-VSS/ppm-BOD), L=BOD remaining (ppm), K\u2083=outo-oxidation rate (1/hr). At low concentration of BOD, the BOD removal rate will be expressed by first-order reaction (b-c, Fig.1). BOD removed can be expressed by following relationship (Eckenfelder and McCabe, 1960): (dL)/(dt)=-KL (2) where K=logalithmic BOD removal rate (1/hr). These equation (1) and (2) may be integrated simultaneously to the following result: S=(aKL\u2080)/(K-K\u2083)(e\uff3e\u3008-K\u2083t\u3009-e\uff3e\u3008-Kt\u3009)+S\u2080e\uff3e\u3008-K\u2083t\u3009(3) where L\u2080=initial concenration of BOD\uff08ppm\uff09.S\u2080=initial concentration of sludge (ppm). This equation is tried out if it is fitted to experimental result by using glucose and (glucose+pepton) as substrate. The result is shown in Fig. 2 and 3. It will be seen thatthe inte grated sludge growth curue will be fitted to experimental result, if Lo/So is adeguate.", "subitem_description_type": "Other"}, {"subitem_description": "\u7d00\u8981\u8ad6\u6587", "subitem_description_type": "Other"}]}, "item_1617186643794": {"attribute_name": "Publisher", "attribute_value_mlt": [{"subitem_1522300295150": "ja", "subitem_1522300316516": "\u7409\u7403\u5927\u5b66\u7406\u5de5\u5b66\u90e8"}, {"subitem_1522300295150": "en", "subitem_1522300316516": "Science and Engineering Division, University of the Ryukyus"}]}, "item_1617186702042": {"attribute_name": "Language", "attribute_value_mlt": [{"subitem_1551255818386": "jpn"}]}, "item_1617186783814": {"attribute_name": "Identifier", "attribute_value_mlt": [{"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/20.500.12000/27034"}]}, "item_1617186920753": {"attribute_name": "Source Identifier", "attribute_value_mlt": [{"subitem_1522646500366": "ISSN", "subitem_1522646572813": "0387-429X"}, {"subitem_1522646500366": "NCID", "subitem_1522646572813": "AN00250785"}]}, "item_1617186941041": {"attribute_name": "Source Title", "attribute_value_mlt": [{"subitem_1522650068558": "ja", "subitem_1522650091861": "\u7409\u7403\u5927\u5b66\u7406\u5de5\u5b66\u90e8\u7d00\u8981. \u5de5\u5b66\u7bc7"}, {"subitem_1522650068558": "en", "subitem_1522650091861": "Bulletin of Science \u0026 Engineering Division, University of the Ryukyus. Engineering"}]}, "item_1617187056579": {"attribute_name": "Bibliographic Information", "attribute_value_mlt": [{"bibliographicIssueNumber": "15", "bibliographicPageEnd": "80", "bibliographicPageStart": "75"}]}, "item_1617258105262": {"attribute_name": "Resource Type", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_1617265215918": {"attribute_name": "Version Type", "attribute_value_mlt": [{"subitem_1522305645492": "VoR", "subitem_1600292170262": "http://purl.org/coar/version/c_970fb48d4fbd8a85"}]}, "item_1617605131499": {"attribute_name": "File", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_access", "download_preview_message": "", "file_order": 0, "filename": "No15P075.pdf", "future_date_message": "", "is_thumbnail": false, "mimetype": "", "size": 0, "url": {"objectType": "fulltext", "url": "https://u-ryukyu.repo.nii.ac.jp/record/2007522/files/No15P075.pdf"}, "version_id": "19eb85d2-383f-496d-a8d0-1b103e2bb0c6"}]}, "item_title": "BOD\u9664\u53bb\u306b\u4f34\u3046\u30b9\u30e9\u30c3\u30b8\u5897\u6b96\u66f2\u7dda\u3068\u305d\u306e\u9069\u7528\u4f8b", "item_type_id": "15", "owner": "1", "path": ["1642837729050", "1642838406845"], "permalink_uri": "http://hdl.handle.net/20.500.12000/27034", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2013-07-26"}, "publish_date": "2013-07-26", "publish_status": "0", "recid": "2007522", "relation": {}, "relation_version_is_last": true, "title": ["BOD\u9664\u53bb\u306b\u4f34\u3046\u30b9\u30e9\u30c3\u30b8\u5897\u6b96\u66f2\u7dda\u3068\u305d\u306e\u9069\u7528\u4f8b"], "weko_shared_id": -1}
  1. 紀要論文
  2. 琉球大学理工学部紀要 工学編
  3. 15号
  1. 部局別インデックス
  2. 工学部

BOD除去に伴うスラッジ増殖曲線とその適用例

http://hdl.handle.net/20.500.12000/27034
http://hdl.handle.net/20.500.12000/27034
aff384cf-95e2-4fdf-9627-2aba6bedd741
名前 / ファイル ライセンス アクション
No15P075.pdf No15P075.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2013-07-26
タイトル
タイトル BOD除去に伴うスラッジ増殖曲線とその適用例
言語 ja
作成者 喜納, 政修

× 喜納, 政修

ja 喜納, 政修

Kina, Seishu

× Kina, Seishu

en Kina, Seishu

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
内容記述
内容記述タイプ Other
内容記述 The growth of a biological sludge mass in batch oxidation follows the sigmoidal curve shown in Fig.1. An empirically developed relationship between biological growth and substrate utitization that is commonly used for biological systems stabilizing organic wastes is: (ds)/(dt)=-a (dL)/(dt)-K₃S (1) where S=sludge concentration present (ppm), a=growth-yield coefficient (ppm-VSS/ppm-BOD), L=BOD remaining (ppm), K₃=outo-oxidation rate (1/hr). At low concentration of BOD, the BOD removal rate will be expressed by first-order reaction (b-c, Fig.1). BOD removed can be expressed by following relationship (Eckenfelder and McCabe, 1960): (dL)/(dt)=-KL (2) where K=logalithmic BOD removal rate (1/hr). These equation (1) and (2) may be integrated simultaneously to the following result: S=(aKL₀)/(K-K₃)(e^〈-K₃t〉-e^〈-Kt〉)+S₀e^〈-K₃t〉(3) where L₀=initial concenration of BOD(ppm).S₀=initial concentration of sludge (ppm). This equation is tried out if it is fitted to experimental result by using glucose and (glucose+pepton) as substrate. The result is shown in Fig. 2 and 3. It will be seen thatthe inte grated sludge growth curue will be fitted to experimental result, if Lo/So is adeguate.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学理工学部
言語
言語 jpn
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/27034
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0387-429X
収録物識別子タイプ NCID
収録物識別子 AN00250785
収録物名
言語 ja
収録物名 琉球大学理工学部紀要. 工学篇
書誌情報
号 15, p. 75-80
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