Rchr
J-GLOBAL ID：202001007025881509
Update date: Oct. 08, 2024
Zheng Qingxin
テイ ケイシン | Zheng Qingxin
Homepage URL (1)：
http://www.che.tohoku.ac.jp/~scw/eng/member/
Research field (4)：
Catalytic processes and resource chemistry
, Structural and functional materials
, Chemical reaction and process system engineering
, Earth resource engineering, energy science
Research keywords (11)：
Catalyst
, Hydrothermal treatment
, Hydrothermal extraction
, Micro-nano materials
, Microalgae
, Biomass conversion
, Low-rank coal
, Lithium-ion battery recycling
, Dimethyl ether extraction
, Hydrothermal synthesis
, Supercritical fluids
Research theme for competitive and other funds (3)：
- 2022 - 2024 Proposal of an intra-regional circulation system for LMO-based lithium-ion batteries
- 2021 - 2024 Low/no-corrosion leaching of spent lithium-ion battery cathode materials in hydrothermal water using amino acid or mixed organic acids as the leachant
- 2022 - 2023 Development of environmentally-friendly hydrometallurgy technology for constructing the recycling process of ternary lithium-ion batteries
Papers (36)：
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Qingxin Zheng, Yoshiki Suga, Yu Su, Hiroya Yamaguchi, Masaru Watanabe. Simultaneous Material and Chemical Recycling of Waste PET/PE Multi-Layer Films under Hydrothermal Conditions. Angewandte Chemie International Edition. 2024
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Zixian Li, Qingxin Zheng, Akitoshi Nakajima, Zhengyang Zhang, Masaru Watanabe. Organic Acid-Based Hydrothermal Leaching of LiFePO4 Cathode Materials. Advanced Sustainable Systems. 2023. 8. 4. 2300421(1)-2300421(12)
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Qingxin Zheng, Seiya Hirama, Akitoshi Nakajima, Tetsufumi Ogawa, Yuta Nakayasu, Zixian Li, Masaru Watanabe. Excellent Performance of Glycine in Isolating Mn during Hydrothermal Leaching of LiMn2O4 Cathode Materials. ACS Sustainable Chemistry & Engineering. 2023
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Qingxin Zheng, Keisuke Suzuki, Yuya Hiraga, Masaru Watanabe. Understanding the reaction behavior of alanine under hydrothermal conditions through a network model. Chemical Engineering Journal. 2023. 468. 143588-143588
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Qingxin Zheng, Zixian Li, Masaru Watanabe. Production of Solid Fuels by Hydrothermal Treatment of Wastes of Biomass, Plastic, and Biomass/Plastic Mixtures: A Review. Journal of Bioresources and Bioproducts. 2022
ｍore...
MISC (3)：
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渡邉賢, 鄭慶新, 小川哲史, 中島暉敏. 水熱クエン酸浸出プロセスにおけるMn単離条件の探索. 分離技術. 2022. 52. 4. 194-200
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ZHENG Qingxin, MORIMOTO Masato, TAKANOHASHI Toshimasa. No.1-27 Finding of Coal Organic Microspheres. Proceedings of Conference on Coal Science. 2016. 53. 0. 54-55
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Zheng Qingxin, Morimoto Masato, Takanohashi Toshimasa. No.33 Hydrothermal Oxidation and Decarboxylation of Brown Coal. Proceedings of Conference on Coal Science. 2015. 52. 0. 66-67
Patents (2)：
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The process for producing an aromatic compound
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A method to produce benzene and naphthalene
Books (1)：
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The technology of rare metal recovery and recycling from lithium-ion batteries
2024 ISBN:9784860438852
Lectures and oral presentations (40)：
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Reaction Behavior Analysis of Polycarbonate Hydrolysis in the Different Type of Apparatus
(The SCEJ 55th Autumn Meeting 2024)
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Re-synthesis of LMO from Leachate and Synthesis of Bio-Graphite from Cedar Sawdust for Environmentally Friendly LIBs
(The SCEJ 55th Autumn Meeting 2024)
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QM simulations of precipitation mechanism of Mn(II)-citrate complex formed during citric acid hydrothermal leaching of LiMn2O4
(The SCEJ 55th Autumn Meeting 2024)
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Recycling of LiFePO4 cathode material by hydrothermal leaching with glycine, oxalic acid or citric acid and precipitation isolation
(20th European Meeting on Supercritical Fluids 2024)
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Mechanism and kinetic study of hydrothermal recycling of PET/PE multi-layer film using a semi-batch system
(20th European Meeting on Supercritical Fluids 2024)
ｍore...
Education (2)：
- 2006 - 2011 Shandong University National Key Laboratory for Crystal Materials Materials science
- 2002 - 2006 Shandong University of Technology School of Material s Science and Engineering Materials Chemistry
Professional career (1)：
- Ph.D. (Shandong University)
Work history (5)：
- 2020/08 - 現在 Tohoku University Graduate School of Engineering Research Center of Supercritical Fluid Technology Assistant professor (specially appointed)
- 2019/10 - 2020/07 Tohoku University Graduate School of Engineering Research Center of Supercritical Fluid Technology Researcher
- 2017/10 - 2019/09 Nagoya University Graduate School of Engineering Materials Process Engineering Researcher
- 2013/04 - 2017/09 National Institute of Advanced Industrial Science and Technology AIST Postdoctoral Researcher
- 2011/09 - 2013/03 Kumamoto University Faculty of Engineering Department of Applied Chemistry and Biochemistry Researcher
Awards (2)：
- 2022/09 - The Society of Chemical Engineers, Japan (SCEJ) Outstanding Paper Award of 2021 Application of Hydrothermal Leaching Technology to Spent LIB Cathode Materials with Citric Acid Using Batch-type Device and Flow System
- 2015/10 - The Japan Institute of Energy Presentation award Hydrothermal Oxidation and Decarboxylation of Brown Coal
Association Membership(s) (4)：
The International Society for the Advancement of Supercritical Fluids (ISASF)
, The Society of Chemical Engineers, Japan (SCEJ)
, The Royal Society of Chemistry
, Japan Institute of Energy
