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Affiliation |
Engineering educational research section Civil and Environmental Engineering Program |
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Title |
Professor |
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Laboratory Phone number |
+81 985-58-7340 |
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Laboratory Fax number |
+81 985-58-7344 |
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Contact information |
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External Link |
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DOTE Yutaka
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Degree 【 display / non-display 】
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工学博士 ( 1989.3 北海道大学 )
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工学修士 ( 1986.3 北海道大学 )
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工学学士 ( 1984.3 北海道大学 )
Research Areas 【 display / non-display 】
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Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Environmental systems for civil engineering
Education 【 display / non-display 】
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Hokkaido University Graduate School, Division of Engineering
- 1989.3
Country：Japan
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Hokkaido University Faculty of Engineering
- 1984.3
Country：Japan
Campus Career 【 display / non-display 】
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University of Miyazaki Engineering educational research section Civil and Environmental Engineering Program Professor
2025.04 - Now
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University of Miyazaki Engineering educational research section Department of Engineering Department of Civil and Environmental Engineerring Program Professor
2021.04 - 2025.03
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University of Miyazaki Faculty of Engineering Department of Civil and Environmental Engineering Professor
2012.04 - 2021.03
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University of Miyazaki Faculty of Engineering Civil and Environmental Engineering Environmental control course Professor
2012.01 - 2012.03
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University of Miyazaki Faculty of Engineering Civil and Environmental Engineering Environmental control course Associate Professor
2007.04 - 2011.12
External Career 【 display / non-display 】
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Techinical University of Denmark 客員研究員
2003.8 - 2004.6
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通商産業省工業技術院資源環境技術総合研究所 主任研究員
1993.4 - 1994.5
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通商産業省工業技術院資源環境技術総合研究所 研究員
1989.4 - 1993.3
Professional Memberships 【 display / non-display 】
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土木学会
1985.4
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廃棄物資源循環学会
2008.12
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延岡市廃棄物処理施設整備に関する検討委員会
2023.12 - 2024.3
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日向東臼杵広域連合次期広域最終処分場建設検討委員会
2022.12 - 2024.3
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第33回廃棄物資源循環学会研究発表会実行委員会
2022.2 - 2022.11
Papers 【 display / non-display 】
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Factors Affecting Settleability of Reactants in Recovery of Nitrogen, Phosphorus, and Potassium from Swine Wastewater
Yutaka DOTE, Tomoo SEKITO
53 27 - 34 2024.10
Authorship：Lead author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Simultaneous Recovery of Ammonium, Phosphorus, and Potassium from Swine Wastewater by Batch Reactor
Yutaka DOTE, Tomoo SEKITO
53 17 - 26 2024.10
Authorship：Lead author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Environmental Safety Evaluation of Waste CIS Photovoltaic Panels as Aggregate for Mortar
Yutaka DOTE, Hideki HARADA, Tomoo SEKITO
53 9 - 16 2024.10
Authorship：Lead author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Insolubilization of Lead in Incineration Fly Ash Using Magnesium Chloride
Yutaka DOTE, Tomoo SEKITO
53 1 - 8 2024.10
Authorship：Lead author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Simultaneous Recovery of Ammonium, Phosphorus, and Potassium from Swine Wastewater by Continuous Reactor
Yutaka DOTE, Tomoo SEKITO
53 35 - 44 2024.10
Authorship：Lead author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
Books 【 display / non-display 】
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リン資源の回収と有効利用
監修者：大竹久夫 共著者：大竹久夫、土手 裕（ Role： Joint author , 207-213頁）
サイエンス＆テクノロジー 2009.11
Language：Japanese Book type：Scholarly book
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環境工学公式・モデル・数値集
編集者：福島武彦共著者：西村修、土手 裕 他（ Role： Joint author , 210-213頁）
土木学会編 2004.6
Language：Japanese Book type：Scholarly book
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インバース・マニュファクチャリング ハンドブック－ポストリサイクルの循環型ものづくり－
編集者：木村文彦共著者：厨川道雄、土手 裕、 他100名（ Role： Joint author , 367-376頁）
丸善 2004.3
Language：Japanese Book type：Scholarly book
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新エネルギー大事典
編集者：茅 陽一共著者：厨川道雄、土手 裕、 他100名（ Role： Joint author , 711-715頁）
工業調査会（東京） 2002.2
Language：Japanese Book type：Scholarly book
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廃棄物処理・再資源化技術ハンドブック
編集者：廃棄物処理・再資源化技術ハンドブック編集委員会 共著者：中山哲男、土手 裕、 他63名（ Role： Joint author , 183-195頁）
建設産業調査会(東京) 1993.11
Language：Japanese Book type：Scholarly book
MISC 【 display / non-display 】
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Present State of Phosphorus Recovery Technology from Organic Wastes with High Water Content Invited
Yutaka Dote
34 ( 2 ) 129 - 134 2025.4
Authorship：Lead author Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal)
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廃太陽光パネルを骨材としたコンクリートの環境安全性評価
土手裕
コンクリートテクノ 43 ( 2 ) 45 - 49 2024.2
Authorship：Lead author Language：Japanese Publishing type：Rapid communication, short report, research note, etc. (scientific journal)
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Merits and demerits of depopulation Invited
Yutaka Dote
34 ( 3 ) 145 - 146 2023.6
Authorship：Lead author Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal)
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養豚廃水中の窒素・リン・カリウムの同時回収 Invited
土手 裕
最新農業技術 畜産 12 159 - 164 2020.3
Authorship：Lead author Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media) Publisher：農山漁村文化協会
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鶏ふん焼却灰中のリン回収技術
土手 裕
農業および園芸 89 ( 5 ) 531 - 536 2014.4
Authorship：Lead author Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media) Publisher：養賢堂
Presentations 【 display / non-display 】
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Research on the actual status and prediction of agricultural waste plastic discharge
Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management 2024.9 Japan Society of Material Cycles and Waste Management
Event date： 2024.9.9 - 2024.9.11
Language：Japanese Presentation type：Poster presentation
Coal bottom ash (CA) generated from the bottom of coal boilers contains soluble boron and the level of the concentration often exceeds the Soil Environmental Standard value for Boron. The relationship between boiler combustion conditions and soluble ions in CA were investigated to estimate the factors that cause fluctuations of boron contained in CA. The results showed that there was no significant relationship between the soluble boron and the combustion conditions of the boiler. It was found that the soluble boron in CA has a relationship with concentrations of calcium and sulfate measured by the leaching test. It was found that the saturation index values of gypsum in CA obtained by PHREEQC software with higher soluble boron was larger than that with lower soluble boron. This result indicates that the soluble boron in CA was embedded or adsorbed in gypsum and the variation of soluble boron would be influenced by the amount of gypsum in CA.
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Prediction of change in calcium concentration in leachate using calcium leaching scenarios
Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management 2024.9 Japan Society of Material Cycles and Waste Management
Event date： 2024.9.9 - 2024.9.11
Language：Japanese Presentation type：Poster presentation
Coal bottom ash (CA) generated from the bottom of coal boilers contains soluble boron and the level of the concentration often exceeds the Soil Environmental Standard value for Boron. The relationship between boiler combustion conditions and soluble ions in CA were investigated to estimate the factors that cause fluctuations of boron contained in CA. The results showed that there was no significant relationship between the soluble boron and the combustion conditions of the boiler. It was found that the soluble boron in CA has a relationship with concentrations of calcium and sulfate measured by the leaching test. It was found that the saturation index values of gypsum in CA obtained by PHREEQC software with higher soluble boron was larger than that with lower soluble boron. This result indicates that the soluble boron in CA was embedded or adsorbed in gypsum and the variation of soluble boron would be influenced by the amount of gypsum in CA.
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Influenct factors of variation of boron elution from coal bottom ash
Fukuda Michito, Sekito Tomoo, Dote Yutaka
Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management 2023.9 Japan Society of Material Cycles and Waste Management
Event date： 2023.9.11 - 2023.9.13
Language：Japanese Presentation type：Poster presentation
Coal bottom ash (CA) generated from the bottom of coal boilers contains soluble boron and the level of the concentration often exceeds the Soil Environmental Standard value for Boron. The relationship between boiler combustion conditions and soluble ions in CA were investigated to estimate the factors that cause fluctuations of boron contained in CA. The results showed that there was no significant relationship between the soluble boron and the combustion conditions of the boiler. It was found that the soluble boron in CA has a relationship with concentrations of calcium and sulfate measured by the leaching test. It was found that the saturation index values of gypsum in CA obtained by PHREEQC software with higher soluble boron was larger than that with lower soluble boron. This result indicates that the soluble boron in CA was embedded or adsorbed in gypsum and the variation of soluble boron would be influenced by the amount of gypsum in CA.
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Development of leaching model of chloride ion from cement-solidified fly ash
Dote Yutaka, Sekito Tomoo
Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management 2023.9 Japan Society of Material Cycles and Waste Management
Event date： 2023.9.11 - 2023.9.13
Language：Japanese Presentation type：Poster presentation
To develop a one-dimensional leaching model of chloride ion from cement-solidified fly ash, a calculation area was divided into surface dissolution dominant area and diffusion dominant area, and surface dissolution model and a diffusion model were applied to each area. The model parameters were determined by tank leaching tests. By comparing the degree of agreement between experimental values of each fractional leaching amounts of chloride ion and calculated values by the developed model and conventional diffusion model, the applicability of the developed mode was evaluated. The developed model could express the leaching phenomena of chloride ion from cement-solidified fly ash. The thickness of surface dissolution area was estimated to be about 1 mm, and it was considered that the surface dissolution occurred at the shallow surface of the cement-solidified fly ash. The periods where the leaching amounts by surface dissolution was dominant to that by diffusion were by the first 2 hours of the beginning of tank leaching tests. The developed model could express the leaching phenomena better than diffusion model by two days after the beginning of leaching tests.
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INFLUENCE OF SPECIFIC SURFACE RATE OF CEMENT SOLIDFIED FLY ASH ON LEACED AMAUNT OF SOLUBLE SUBUSTANCES International conference
Yutaka Dote, Tomoo Sekito
The 11th China-Japan Joint Conference on Material Recycling and Waste Management (札幌) 2022.11.17 廃棄物資源循環学会
Event date： 2022.11.17 - 2022.11.18
Language：English Presentation type：Oral presentation (general)
Venue：札幌
Industrial property rights 【 display / non-display 】
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畜糞炭化物からのカリウム回収方法
阪本 亮一、山本 常平、上田 浩三、土手 裕、関戸 知雄
Applicant：宮崎大学,日立造船(株)
Application no：特願2012-219281 Date applied：2012.10.1
Announcement no：2013-252513 Date announced：2013.12.19
Patent/Registration no：5904467 Date registered：2016.3.25
Country of applicant：Domestic
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畜糞の焼却灰からの無機リン化合物を取得する方法
土手裕、関戸知雄、太田靖子
Applicant：宮崎大学
Application no：2010-247710 Date applied：2010.11.4
Announcement no：特開2012-096972 Date announced：2012.5.24
Patent/Registration no：5700774 Date registered：2015.2.27
Country of applicant：Domestic
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MEHTOD OF REMOVING NITROGEN IMPURITIES FROM WATER USING HYDROCARBON-PRODUCING MICROALGA
Application no：2009-114439 Date applied：2009.5.11
Announcement no：特開2010-262718 Date announced：2010.11.18
Patent/Registration no：5476787 Date registered：1995.12.19
Country of applicant：Foreign country
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畜糞系焼却灰からのリン含有水溶液の調製、並びにヒドロキシアパタイト及び／又はリン酸水素カルシウムとしての沈澱回収
貝掛勝也、土手裕、関戸知雄
Applicant：国立大学法人宮崎大学
Application no：特願2006-189800 Date applied：2006.6.12
Announcement no：特開2007-070217 Date announced：2007.3.22
Patent/Registration no：特許4491612 Date registered：2010.4.16
Country of applicant：Domestic
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有機性汚泥の効率的な焼却方法
横山伸也、小木知子、土手裕、美濃輪智朗、安中徳二、佐藤和明、増田隆司、中村忠、鈴木明、伊藤新治
Applicant：オルガノ株式会社
Application no：特願平06-227312 Date applied：1996.8.30
Announcement no：特開平08-168800 Date announced：1996.7.2
Patent/Registration no：2662687 Date registered：1997.6.20
Country of applicant：Domestic
Awards 【 display / non-display 】
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１９９３年度〈第２０回〉 （環境調査センター、日刊工業新聞）環境賞・優良賞
1993.3 環境調査センター、日刊工業新聞
中山 哲男、横山 伸也、小木 知子、土手 裕、美濃輪 智朗、中村 忠、鈴木 明、伊藤 新治
Award type：Award from publisher, newspaper, foundation, etc. Country：Japan
Grant-in-Aid for Scientific Research 【 display / non-display 】
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高濃度炭酸ガス、有機酸雰囲気におけるセメント固化体からの重金属溶出に関する研究
Grant number：8650653 1996.03 - 1997.03
科学研究費補助金 基盤研究(C)
Authorship：Principal investigator
セメント固化した飛灰からの重金属溶出に対する炭酸ガスの影響
Available Technology 【 display / non-display 】
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最終処分場における環境負荷の削減
畜産廃棄物の有効利用技術の開発Message：無機系廃棄物、畜産廃棄物、畜産廃水の処理やリサイクル技術の開発ニーズがあれば、ぜひご連絡ください。
Committee Memberships 【 display / non-display 】
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延岡市廃棄物処理施設整備に関する検討委員会 委員長
2023.12 - 2024.3
Committee type：自治体
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日向東臼杵広域連合次期広域最終処分場建設検討委員会 委員長
2022.12
Committee type：自治体
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廃棄物資源循環学会 九州支部支部長
2022.5 - 2024.4
Committee type：学協会
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第33回廃棄物資源循環学会研究発表会実行委員会 委員長
2022.2 - 2022.11
Committee type：学協会
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日向東臼杵広域連合次期広域最終処分場用地選定検討委員会 委員長
2021.7 - 2023.3
Committee type：自治体
Social Activities 【 display / non-display 】
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宮崎県立西高校 出前講義 講師
Role(s)： Lecturer
宮崎県立西高等学校 2016.11.12
Audience： High school students
「養豚廃水からの窒素，リン，カリウムの回収 —地域の資源循環—」と題して、講演した。
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日南高等学校環境教育に係る講師
2015.12
循環型社会と環境
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日南高等学校環境教育に係る講師
2014.12
循環型社会と環境
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大分県産業廃棄物適正処理講習会 講師
2014.11 - 2014.12
「放射性物質を含む廃棄物とリスク」と題して講演した。
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平成２６年度驚異運免許状更新講習 講師
2014.8
平成２６年度教員免許状更新講習において講師を務めた。