Kenji Takeshita

Profile Information

Affiliation: Professor, Institute of Innovative Research, Tokyo Institute of Technology

Degree: Doctor of Engineering

Researcher number: 80282870
J-GLOBAL ID: 200901047202000309
researchmap Member ID: 1000222093

Research Interests

Research Areas

Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Chemical reaction and process system engineering /
Energy / Nuclear engineering / Nuclear Fuel Cycle, Nuclear Fuel Reprocessing, Nuclide Separation, Waste Management
Environmental science/Agricultural science / Environmental dynamics /

Research History

1987 - 1996

:財団法人産業創造研究所主任研究員
1996 - 2002

:東京工業大学総合理工学研究科化学環境学専攻助教授
2002 - 2010

Associate Professor, Chemical Resource Laboratory, Tokyo Institute of Technology
2010 - 2016

Professor, Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
2016 - Present

Professor, Institute of Innovative Research, Laboratory for Advanced Nuclear Energy, Tokyo Institute of Technology
2018 - Present

Director, Institute of Innovative Research, Laboratory for Advanced Nuclear Energy, Tokyo Institute of Technology
Apr, 2018 - Mar, 2020

Tokyo Institute of Technology
Apr, 2020 - Present

Institute of Innovative Research, Tokyo Institute of Technology

Education

Apr, 1983 - Mar, 1987

Department of Nuclear Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology
Apr, 1981 - Mar, 1983

Department of Nuclear Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology
Apr, 1977 - Mar, 1981

School of Engineering, Tokyo Institute of Technology

Awards

Oct, 2021

Japan Association of Solvent Extraction Society Award, Japan Association of Solvent Extraction

Kenji Takeshita

Papers

180

Impact of MOX fuel in light-water reactors: long-term radiological consequences of disposal of high-level waste in a geological repository

Eriko Minari, Satsuki Kabasawa, Morihiro Mihara, Hitoshi Makino, Hidekazu Asano, Masahiko Nakase, Kenji Takeshita

Journal of Nuclear Science and Technology (Accepted), Oct, 2022 Peer-reviewed
Cost-reduced depletion calculation including short half-life nuclides for nuclear fuel cycle simulation

Tomohiro Okamura, Ryota Katano, Akito Oizumi, Kenji Nishihara, Masahiko Nakase, Hidekazu Asano, Kenji Takeshita

Journal of Nuclear Science and Technology (Published online), Oct, 2022 Peer-reviewed
The uptake characteristics of Prussian-blue nanoparticles for rare metal ions for recycling of precious metals from nuclear and electronic wastes

Shinta Watanabe, Yusuke Inaba, Miki Harigai, Kenji Takeshita, Jun Onoe

Scientific Reports, 12(5135), Mar 24, 2022 Peer-reviewed
Recovery and immobilization of cesium from aqueous solution after hydrothermal treatment using functional porous glass

Takuhi Hara, Masahiko Nakase, Miki Harigai, Kenji Takeshita

Journal of Nuclear Science and Technology (Published online), Feb, 2022 Peer-reviewed
Optimal waste loading in high-level nuclear waste glass from high‑burnup spent fuel for waste volume and geological disposal footprint reduction

Tomofumi Sakuragi, Tomohiro Okamura, Ryo Hamada, Hidekazu Asano, Eriko Minari, Masahiko Nakase, Kenji Takeshita, Toshiro Oniki, Midori Uchiyama

MRS Advances (Published online), Feb, 2022 Peer-reviewed
Optimization of waste management for mixed oxide fuel in light-water reactors: Evaluation of the effectiveness of blending spent uo2 and mixed oxide fuels in reprocessing

Eriko Minari, Tomohiro Okamura, Hidekazu Asano, Masahiko Nakase, Kenji Takeshita

Annals of Nuclear Energy, 169(5 April 2020, 121677), Dec, 2021 Peer-reviewed
Mutual separation of Ln and An using TODGA and DTBA with high organic acid concentrations

Yuji Sasaki, Masashi Kaneko, Masahiko Matsumiya, Masahiko Nakase, Kenji Takeshita

Solvent Extraction and Ion Exchange, 40(6) 620-640, Dec, 2021 Peer-reviewed
NMB4.0: Development of integrated nuclear fuel cycle simulator from the front to back-end

Tomohiro Okamura, Ryota Katano, Akito Oizumi, Kenji Nishihara, Masahiko Nakase, Hidekazu Asano, Kenji Takeshita

The European Physical Journal Nuclear Science Technology (Published online), 7(19), Oct, 2021 Peer-reviewed
Prediction of stability constants for novel chelates design in minor actinides partitioning over lanthanides using density functional theory calculation

Masashi Kaneko, Yuji Sasaki, Eriko Wada, Masahiko Nakase, Kenji Takeshita

Chemistry Letters, 50(10) 1765-1769, Jul, 2021 Peer-reviewed
evaluation of the technical options of radioactive waste management for utilization of mox fuel: thermal impact of minor actinide separation with geological disposal of high-level waste

Eriko Minari, Tomohiro Okamura, Masahiko Nakase, Hidekazu Asano, Kenji Takeshita

Journal of Nuclear Science and Technology, 2021(accepted), 2021 Peer-reviewed
Density functional modeling of Am3+/Eu3+ selectivity with diethylenetriaminepentaacetic acid and its bisamide chelates.

Masashi Kaneko, Yuji Sasaki, Masahiko Matsumiya, Masahiko Nakase, Kenji Takeshita

Journal of Nuclear Science and Technology, 1-12, Nov 29, 2020 Peer-reviewed
Mechanistic study on the removal of Cs from contaminated soil by rapid ion exchange in subcritical water

Tatsuya Fukuda, Ryou Takahashi, Takuhi Hara, Koji Ohara, Kazuo Kato, Daiju Matsumura, Yusuke Inaba, Masahiko Nakase, Kenji Takeshita

Journal of Nuclear Science and Technology, 1-6, Oct 15, 2020 Peer-reviewed
Extraction and separation between light and heavy lanthanides by N,N,N',N'-Tetraoctyl-diglycolamide from organic acid

Yuji Sasaki, Masahiko Matsumiya, Masahiko Nakase, Kenji Takeshita

Chemistry Letters, 49(10) 1216-1219, Oct, 2020 Peer-reviewed
Hydrothermal-treatment desorption of cesium from clay minerals: The roles of organic acids and implications for soil decontamination

Xiangbiao Yin, Lijuan Zhang, Miki Harigai, Xinpeng Wang, Shunyan Ning, Masahiko Nakase, Yoshikazu Koma, Yusuke Inaba, Kenji Takeshita

Water Research, 177, Jun 15, 2020 Peer-reviewed
Chemical forms of rhodium ion in pure water and nitric acid solution studied using ultraviolet-visible spectroscopy and first-principles calculations

Shinta Watanabe, Toshikazu Sato, Miki Harigai, Yusuke Inaba, Kenji Takeshita, Jun Onoe

IOP Conference Series: Materials Science and Engineering, 835(1), May 22, 2020 Peer-reviewed
Selective removal of radiocesium from micaceous clay for post-accident soil decontamination by temperature-controlled Mg-leaching in a column

Xiangbiao Yin, Lijuan Zhang, Chenrui Meng, Yusuke Inaba, Xinpeng Wang, Ayako Nitta, Yoshikazu Koma, Kenji Takeshita

Journal of Hazardous Materials, 387, Apr, 2020 Peer-reviewed
Effects of Diluents on the Separation of Minor Actinides from Lanthanides with Tetradodecyl-1,10-phenanthroline-2,9-diamide from Nitric Acid Medium

Nao TSUTSUI, Yasutoshi BAN, Hideya SUZUKI, Masahiko NAKASE, Sayumi ITO, Yusuke INABA, Tatsuro MATSUMURA, Kenji TAKESHITA

Analytical Sciences, 36(2) 241-246, Feb 10, 2020 Peer-reviewed
Selective separation of Cd(II) and Am(III) by coating pH-responsive hydrophilic gel on silica particles

Takuya Kawamura, Kenji Takeshita

Separation Science and Technology, 56(4) 663-670, Jan 29, 2020 Peer-reviewed
trichotomic separation of light and heavy lanthanides and am by batchwise multi-stage extractions using todga

Masahiko Matsumiya, Yusuke Tsuchida, Yuji Sasaki, Ryoma Ono, Masahiko Nakase, Kenji Takeshita

Journal of Radioanalytical and Nuclear Chemistry, 327(1) 597-607, 2020 Peer-reviewed
Interrelationships and the effects of introducing separation technologies in the nuclear fuel cycle for enhanced radioactive waste management

Tomohiro Okamura, Eriko Minari, Masahiko Nakase, Hidekazu Asano, Kenji Takeshita

GLOBAL 2019 - International Nuclear Fuel Cycle Conference and TOP FUEL 2019 - Light Water Reactor Fuel Performance Conference, 622-628, 2020

Misc.

171

NMB4.0 : Development of Integrated Nuclear Fuel Cycle Simulation Code

Tomohiro Okamura, Ryota Katano, Akito Oizumi, Kenji Nishihara, Masahiko Nakase, Hidekazu Asano, Kenji Takeshita

Bulletin of the Laboratory for Advanced Nuclear Energy, 6 29, Mar, 2021
Study on phosphate waste form of ALPS sediment wastes generated in Fukushima Daiichi Nuclear Power Station

Masahiko Nakase, Miki Harigai, Kazuo Utsumi, Kenji Takeshita

Bulletin of the Laboratory for Advanced Nuclear Energy, 6 26-27, Mar, 2021
Study on Advanced nuclear energy system based on the environmental impact of radioactive waste disposal

Hidekazu Asano, Masahiko Nakase, Kenji Takeshita

Bulletin of the Laboratory for Advanced Nuclear Energy, 6 23-25, Mar, 2021
福島第一原子力発電所事故から10年-廃炉への化学のかかわり最前線研究 Part2 放射性汚染物の処理技術研究汚染水処理で発生した水処理二次廃棄物の処理技術

竹下健二

化学, 76(3), 2021
Development of Subcritical Water Ion Exchange System for Cleaning of Soil contaminated by Radioactive Cesium (2) In-situ Observation of Vermiculite and Interlayer Ions in Subcritical Water Environment by Synchrotron XRD and EXAF

福田達弥, 高橋亮, 原卓飛, 渡邊真太, YIN Xiangbiao, 尾原幸治, 加藤和男, 松村大樹, 中瀬正彦, 竹下健二

日本原子力学会春の年会予稿集(CD-ROM), 2021, 2021
Development of Subcritical Water Ion Exchange System for Cleaning of Soil contaminated by Radioactive Cesium (3) Analysis of Desorption Mechanism of Cs from Vermiculite by Molecular Dynamics and First-principles Calculations

渡邊真太, 福田達弥, YIN Xiangbiao, 針貝美樹, 中瀬正彦, 竹下健二

日本原子力学会春の年会予稿集(CD-ROM), 2021, 2021
Development of stable solidification process of radioactive Cesium from contaminated soil by functional porous silica glass and struvite

YUAN Zhoufei, 中瀬正彦, 渡邊真太, 針貝美樹, 稲葉優介, 竹下健二

日本原子力学会春の年会予稿集(CD-ROM), 2021, 2021
Technical options of radioactive waste management for the second half of the 21^st Century, in consideration of Pu utilization and less environmentally impacted geological disposal (18) Effects of UO₂-MOX blended vitrified waste disposal on reduction of environmental impact

三成映理子, 岡村知拓, 中瀬正彦, 桜木智史, 浜田涼, 朝野英一, 朝野英一, 竹下健二

日本原子力学会春の年会予稿集(CD-ROM), 2021, 2021
Study on advanced nuclear energy system based on the environmental impact of radioactive waste Disposal, (1) Environmental load and nuclear fuel cycle conditions in waste disposal

朝野英一, 桜木智史, 浜田涼, HAN Chi Young, 中瀬正彦, 松村達郎, 千葉豪, 相樂洋, 竹下健二

日本原子力学会春の年会予稿集(CD-ROM), 2021, 2021
Development of Subcritical Water Ion Exchange System for Cleaning of Soil contaminated by Radioactive Cesium (1) Ion-exchange Desorption of Cs⁺ from Soil in Subcritical Water

竹下健二, YIN Xiangbiao, 渡邊真太, 福田達弥, 中瀬正彦

日本原子力学会春の年会予稿集(CD-ROM), 2021, 2021
Selection of nuclides for mass-balance analysis of fission products

岡村知拓, 大泉昭人, 西原健司, 中瀬正彦, 竹下健二

日本原子力研究開発機構JAEA-Data/Code(Web), (2020-023), 2021
Mutual separation of trivalent lanthanide and actinides with its behavior of Sr, Tc and Pd by DGA extractant

佐々木祐二, 金子政志, 松宮正彦, 中瀬正彦, 竹下健二

日本原子力学会春の年会予稿集(CD-ROM), 2021, 2021
Development of stable solidification technique of ALPS sediment wastes by apatite ceramics (5) Synthesis of apatite and phosphate ceramics form the main components of ALPS sediment wastes

和田恵梨子, 中瀬正彦, 竹下健二, 金川俊, 土方孝敏, 駒義和

日本原子力学会春の年会予稿集(CD-ROM), 2021, 2021
Development of Accelerated Exponential Method for Burnup Calculation in Nuclear Material Balance Code

岡村知拓, 大泉昭人, 西原健司, 中瀬正彦, 竹下健二

日本原子力学会春の年会予稿集(CD-ROM), 2021, 2021
Development of stable solidification technique of ALPS sediment wastes by apatite ceramics (2) Synthesis and characterization of apatite waste forms by solid-state reaction

金川俊, 金川俊, 中瀬正彦, 増田歩, 内海和夫, 土方孝敏, 竹下健二

日本原子力学会秋の大会予稿集(CD-ROM), 2020, 2020
Technical options of radioactive waste management for the second half of the 21^st Century, in consideration of Pu utilization and less environmentally impacted geological disposal, (17) Study on the reduction of footprint of geological repository by combination of time factors in backend process and waste emplacements at geological repository

岡村知拓, 三成映理子, 中瀬正彦, 桜木智史, 朝野英一, 朝野英一, 竹下健二

日本原子力学会秋の大会予稿集(CD-ROM), 2020, 2020
Basic research programs of vitrification technology for waste volume reduction (79) Scenario study on the volume reduction and disposal impact of waste generated from high-burnup UO₂ fuel

桜木智史, 朝野英一, 朝野英一, 岡村知拓, 三成映理子, 中瀬正彦, 竹下健二, 鬼木俊郎

日本原子力学会秋の大会予稿集(CD-ROM), 2020, 2020
Development of stable solidification technique of ALPS sediment wastes by apatite ceramics (3) Synthesis of apatite waste form by sol/gel and hydrothermal methods and their properties

中瀬正彦, 増田歩, 金川俊, 金川俊, 内海和夫, 土方孝敏, 竹下健二

日本原子力学会秋の大会予稿集(CD-ROM), 2020, 2020
Development of DGA compound and separation of trivalent actinides from lanthanides using organic acid with DTPA-BA

佐々木祐二, 金子政志, 松宮正彦, 中瀬正彦, 竹下健二

日本原子力学会秋の大会予稿集(CD-ROM), 2020, 2020
Development of stable solidification technique of ALPS sediment wastes by apatite ceramics (4) Development of low temperature solidification technologies for apatite powder

土方孝敏, 中瀬正彦, 内海和夫, 竹下健二

日本原子力学会秋の大会予稿集(CD-ROM), 2020, 2020

Books and Other Publications

分離プロセス工学の基礎

朝倉書店, 2009 (ISBN: 9784254252569)
貴金属・レアメタルのリサイクル技術集成第2編レアメタル第12節希土類

2007
第4章分離技術

総説分離変換工学,「分離核変換工学」専門委員会編,日本原子力学会, 2004
第２部IV 重炭素の分離

日本における同位体分離のあゆみ, 1998
固液共存型高分子材料による希土類元素の抽出

抽出技術集覧, 1997
7.3 環境保全と分離気体状放射性物質の分離

分離科学ハンドブック, 1993

Presentations

327

Chemical Analysis of Tin Speciation in Silicate Glass Containing Iron Oxide

Yoshitaka Saijo, Naoki Kanno, Yuichi Suzuki, Ryoji Akiyama, Masahiko Nakase, Kenji Takeshita

International Symposium on Zero-Carbon Energy Systems, IZES
Study on nuclear energy system considering environmental load reduction of waste disposal in diversification of nuclear fuel cycle conditions;(5)Environmental impact assessment of nuclear energy system and selection of nuclear fuel cycle options using cross-disciplinary approach and Multi-criteria Analysis

Hidekazu Asano, Tomofumi Sakuragi, Ryo Hamada, Chi Young Han, Masahiko Nakase, Tatsuro Matsumura, Go Chiba, Hiroshi Sagara, Kenji Takeshita

International Symposium on Zero-Carbon Energy Systems, IZES
Study on Nuclear Energy System Considering Environmental Load Reduction of Waste Disposal in Diversification of Nuclear Fuel Cycle Conditions;(4)Impact of the Spent Fuel Reprocessing Conditions on Fast Reactor Neutronics Property

Go Chiba, Hidekazu Asano, Tomofumi Sakuragi, Ryo Hamada, Chi Young Han, Masahiko Nakase, Tatsuro Matsumura, Hiroshi Sagara, Kenji Takeshita

International Symposium on Zero-Carbon Energy Systems, IZES
Study on nuclear energy system considering environmental load reduction of waste disposal in diversification of nuclear fuel cycle conditions;(3)Simplification of MA separation process based on reasonable MA recovery rate by environmental impact assessment of radioactive waste disposal

Tatsuro Matsumura, Hidekazu Asano, Tomofumi Sakuragi, Ryo Hamada, Chi Young Han, Masahiko Nakase, Go Chiba, Hiroshi Sagara, Kenji Takeshita

International Symposium on Zero-Carbon Energy Systems, IZES
Study on Nuclear Energy System Considering Environmental Load Reduction of Waste Disposal in Diversification of Nuclear Fuel Cycle Conditions;(2)Impact of MA Separation and Recycle on the Material Balance of Nuclear Fuel Cycle

Chi Young Han, Hiroshi Sagara, Hidekazu Asano, Tomofumi Sakuragi, Ryo Hamada, Go Chiba, Masahiko Nakase, Tatsuro Matsumura, Kenji Takeshita

International Symposium on Zero-Carbon Energy Systems, IZES
Study on nuclear energy system considering environmental load reduction of waste disposal in diversification of nuclear fuel cycle conditions;(1)Evaluation of repository footprint and radiation effects in vitrified waste disposal using simplified MA separation

Ryo Hamada, Hidekazu Asano, Tomofumi Sakuragi, Chi Young Han, Masahiko Nakase, Tatsuro Matsumura, Go Chiba, Hiroshi Sagara, Kenji Takeshita

International Symposium on Zero-Carbon Energy Systems, IZES
Scenario Study of Future Nuclear Energy Use in Japan:(2) Case Analysis of Japan’s Nuclear Energy Use in the Second Half of the 21st Century from the back-end Perspective by using NMB4.0

Tomohiro Okamura, Akito Oizumi, Kenji Nishihara, Masahiko Nakase, Hidekazu Asano, Kenji Takeshita

2022 International Youth Nuclear Congress (IYNC2022)
Release of New Nuclear Fuel Cycle Simulator : NMB4.0

Takumi Abe, Kenji Nishihara, Tomohiro Okamura, Masahiko Nakase, Kenji Takeshita

2022 International Youth Nuclear Congress (IYNC2022)
Extraction mechanisms and kinetics of Sn2+, Sn4+, Fe2+, and Fe3+ by D2EHPA

Naoki Kanno, Masahiko Nakase, Yoshitaka Saijo, Ryoji Akiyama, Daiju Matsumura, Takuya Tsuji, Kenji Takeshita, Takehiko Tsukahara

The 41th Symposium on Solvent Extraction of Japan Association of Solvent Extraction
Development of Stable Solidification Process of Phosphates Waste Form for ALPS Slurry Wastes

Shun Kanagawa, Takatoshi Hijikata, Masahiko Nakase, Kazuo Utsumi, Kenji Takeshita

International Topical Workshop on Fukushima Decommissioning Research 2022 (FDR2022)
アパタイトセラミックスによるALPS 沈殿廃棄物の安定固化技術の開発(15)ALPS沈殿廃棄物のリン酸化合物固化体の水素発生特性

Jun Kato, Ayaka Kakuda, Takeshi Osugi, Ryoichiro Kuroki, Yoshikazu Koma, Masahiko Nakase, Kazuo Utsumi, Kenji Takeshita, Shun Kanagawa, Takatoshi Hijikata

Atomic Energy Society of Japan 2022 Autumn Meeting
アパタイトセラミックスによるALPS 沈殿廃棄物の安定固化技術の開発(14)ALPS沈殿廃棄物のリン酸化合物固化プロセス試験

Shun Kanagawa, Takatoshi Hijikata, Masahiko Nakase, Kazuo Utsumi, Kenji Takeshita

Atomic Energy Society of Japan 2022 Autumn Meeting
アパタイトセラミックスによるALPS 沈殿廃棄物の安定固化技術の開発(13)ALPS沈殿廃棄物のリン酸化合物固化プロセスの開発

Takatoshi Hijikata, Shun Kanagawa, Masahiko Nakase, Kazuo Utsumi, Kenji Takeshita

Atomic Energy Society of Japan 2022 Autumn Meeting
アパタイトセラミックスによるALPS 沈殿廃棄物の安定固化技術の開発(12)FP元素のアパタイトセラミックスへの固定化

Kenji Takeshita, Masahiko Nakase, Miki Harigai, Takatoshi Hijikata, Shun Kanagawa, Yoshikazu Koma

Atomic Energy Society of Japan 2022 Autumn Meeting
Effect of Introduction of Simultaneous Adsorption System of Mo and PGMs from HLLW on Vitrification Process

Kenji Takeshita, Masahiko Nakase, Shinta Watanabe

GLOBAL 2022, Jul 7, 2022
Research to determination of Fe2+/Fe3+ in Sn2+ containing glass by solvent extraction

Naoki Kanno, Ryoji Akiyama, Miki Harigai, Masahiko Nakase, Yoshitaka Saijo, Kenji Takeshita

26th International Congress on Glass - ICG 2022, Jul 7, 2022
Research to determination of Fe2+/Fe3+ in Sn2+ containing glass by solvent extraction

Naoki Kanno, Ryoji Akiyama, Miki Harigai, Masahiko Nakase, Yoshitaka Saijo, Kenji Takeshita

26th International Congress on Glass - ICG 2022
水溶性アミド及びカルボン酸のアクチノイド及びランタノイドに対する錯形成及びテトラド効果

Yuji Sasaki, Masashi Kaneko, Yasutoshi Ban, Daiki Nomizu, Yusuke Tsuchida, Masahiko Matsumiya, Masahiko Nakase, Kenji Takeshita, Takahiro Shimosaka, Tatsuya Suzuki
廃棄物処分の環境影響を基点とした原子力システム研究(8)簡素化MA分離の観点からの既往技術サーベイ

Naoya Shigekiyo, Masahiko Nakase, Hidekazu Asano, Tomofumi Sakuragi, Ryo Hamada, Kenji Takeshita
廃棄物処分の環境影響を基点とした原子力システム研究(5)核燃料サイクル条件多様化に対応する統合的な環境負荷評価

Hidekazu Asano, Tomofumi Sakuragi, Ryo Hamada, Chi Young Han, Masahiko Nakase, Tatsuro Matsumura, Go Chiba, H.Sagara, Kenji Takeshita

Professional Memberships

Research Projects

放射線・化学・生物的作用の複合効果による燃料デブリ劣化機構の解明

英知を結集した原子力科学技術・人材育成事業、廃止措置研究・人材育成プログラム, 文部科学省, 2019 - 2022

竹下健二
Study on Cs Desorption from Soil Clay Minerals by Subcritical Water containing Metal Ions

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2021
国際原子力人材育成大学連合ネットワークによる原子力教育基盤整備モデル事業

国際原子力人材育成イニシアティブ事業, 文部科学省, 2019 - 2021

竹下健二
Development of stable solidification technique of ALPS sediment wastes by apatite ceramics

Nuclear Energy Science & Technology and Human Resource Development Project, Problem-Solving-type Decommissioning Research Program, Ministry of Education, Culture, Sports, Science and Technology, 2019 - 2021

Kenji TAKESHITA
汚染土壌浄化・再利用と廃棄物高減容化を目指した亜臨界水処理システムの開発

環境研究総合推進費, 環境省, 2018 - 2021

竹下健二
Development of Radioactive Cs Recovery Process from Plant-based Waste in Forest Environment and Exploration of Recyclability

Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2019

Takahashi Hideharu, TAKESHITA Kenji
Development of centrifugal extractor with Taylor vortices for liquid-liquid and liquid-solid nuclide separation systems

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

Takeshita Kenji
Basic Studies for Developing Rational Treatment and Disposal System of Radioactive Wastes Generated by Fukushima Dai-ichi Nuclear Reactor Accident

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (S), Japan Society for the Promotion of Science, May, 2012 - Mar, 2016

Ikeda Yasuhisa, MIMURA Hitoshi, SATOH Nobuaki, NIIBORI Yuichi, KOZAKI Tamotsu, SATOH Tsutomu, SASAKI Takayuki, KIRISHIMA Akira, IDEMITSU Kazuya, INAGAKI Yaohiro, SUZUKI Tatsuya, TAKESHITA Kenji
Development of Liquid-liquid Countercurrent Centrifuge Extractor for Nuclide Separation Application

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2009 - 2011

TAKESHITA Kenji, KIKURA Hiroshige
Development of zero-emission type precious metal recycling process using optical-response technique

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2007 - 2008

TAKESHITA Kenji, TANAKA Mikiya, NARITA Hirokazu
Establishment of sustainable electric power supplement system by system design tool using EUD

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2005 - 2006

TAKESHITA Kenji, OHBA Takeyasu, KOBAYASHI Makoto
化学分析の省力化を目指した液々向流型マイクロ抽出器の開発

科学研究費助成事業萌芽研究, 日本学術振興会, 2005 - 2006

竹下健二, 大庭武泰
Extraction Separation Process of Minor Actinide Elements using Biomimetic Polymer Gel

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2001 - 2002

TAKESHITA Kenji, TACHIMORI Shoichi, SEIDA Yoshimi, OGAWA Mitsuteru
藻類の生体濃縮機能を利用した重金属汚染土壌の回復

科学研究費助成事業萌芽的研究, 日本学術振興会, 2000 - 2001

竹下健二, 石川均
Separation of lanthanide elements by ion recognition of polymer gel copolymerized with acidic phosphorus compound

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 1997 - 1998

TAKESHITA Kenji, TAKAHASHI Toshio, NAKANO Yoshio

Industrial Property Rights

特許6327642 プルシアンブルー型錯体の処理方法、固形状のプルシアンブルー型錯体の処理装置、及びスラリー状のプルシアンブルー型錯体の処理装置

竹下健二, 稲葉優介, 緒明博, 高橋秀治, 小原孝之, 安井利彰
特許5713375 セシウム吸着剤及びその製造方法並びにセシウム吸着材を使用したセシウムの除去方法

村山凡子, 原田忠昭, 城静華, 竹下健二, 稲葉優介, 高橋秀治
特開2014-77162 放射性廃液からの白金族元素の回収部材、当該回収部材の製造方法、白金族元素の回収方法および放射性廃液の処理方法

北川大輔, 長井陽三, 村山凡子, 西河原正也, 竹下健二, 尾形剛志
特許5317256 抽出剤及び抽出分離方法、並びにN,N,N’,N’’-テトラキス(2-メチルピリジル)エチレンジアミン誘導体及びその製造方法

竹下健二, 森敦紀, 松村達郎
特開2013-167470 国際公開番号:WO2013/121867 放射性廃液の処理方法および無機イオン交換剤の製造方法

村山凡子, 西川原正也, 竹下健二
特許5078018 遠心抽出方法及び遠心抽出装置

竹下健二, 及川博
特開2012-025994 硝酸溶液からの白金族金属分離回収法

成田弘一, 田中幹也, 竹下健二
特開2010-189339 N,N,N’,N’-テトラキス(2-ピラジニルメチル)エチレンジアミン誘導体およびその中間体

森敦紀, 稲葉優介, 竹下健二
特開2010-43977 有機-無機ハイブリッド体の製造方法及び有機-無機ハイブリッド体

緒明博, 竹下健二, 中野義夫
特開2009-160495 分離剤及び分離剤の製造方法

竹下健二, 中野義夫, 森敦紀, 松村達郎
特許4154453 希土類元素とアクチノイド元素の分離方法およびその抽出液

竹下健二, 渡邉雅之, リナート・ミルヴァリエフ, 館盛勝一, 森川公私
特許3511128 金属微粒子の製造方法および同微粒子の多孔質担体への担持方法

宮崎あかね, 竹下健二, 秋鹿研一, 中野義夫
特許3322952 希土類元素除去用吸着剤及びそれを用いた吸着分離法

松本史朗, 竹下健二, 遠藤芳浩, 高橋千里
特許3068234 超ウラン元素除去用吸着剤

松本史朗, 竹下健二, 遠藤芳浩
特許3031681 超ウラン元素除去用吸着剤およびその製法

松本史朗, 竹下健二, 遠藤芳治
特開平11-77028 クロム含有廃液の処理方法

中村康雄, 白土渡, 中野義夫, 竹下健二
特許2675094 ヨウ素除去用吸着剤の製造方法

高島洋一, 松本史朗, 竹下健二, 熊谷幹郎, 九石正美

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