Rchr
J-GLOBAL ID:202001007025881509   Update date: Sep. 13, 2021

Zheng Qingxin

テイ ケイシン | Zheng Qingxin
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  (1):
  • 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
Papers (25):
  • Qingxin Zheng, Ryo Nishimura, Yoshiyuki Sato, Hiroshi Inomata, Masaki Ota, Masaru Watanabe, Séverine Camy. Dimethyl carbonate (DMC) synthesis from methanol and carbon dioxide in the presence of ZrO2 solid solutions and yield improvement by applying a natural convection circulation system. Chemical Engineering Journal. 2021. 132378-132378
  • Qingxin Zheng, Takuma Kato, Yuko Ito, Masayoshi Wagatsuma, Yuya Hiraga, Masaru Watanabe. Sulfonated carbon-catalyzed deamination of alanine under hydrothermal conditions. The Journal of Supercritical Fluids. 2021. 175. 105275-105275
  • Qingxin Zheng, Kensuke Shibazaki, Tetsufumi Ogawa, Masaru Watanabe. Single-Step Recovery of Divalent Mn Component from LiMn2O4 Cathode Material at Hydrothermal Conditions as an Mn-Citrate Complex. ACS Sustainable Chemistry & Engineering. 2021. 9. 33. 10970-10976
  • Qingxin Zheng, Kensuke Shibazaki, Tetsufumi Ogawa, Atsushi Kishita, Yuya Hiraga, Masaru Watanabe. Application of Hydrothermal Leaching Technology to Spent LIB Cathode Materials with Citric Acid Using Batch-type Device and Flow System. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 2021. 54. 6. 344-350
  • Qingxin Zheng, Kensuke Shibazaki, Seiya Hirama, Yuta Iwatate, Atsushi Kishita, Yuya Hiraga, Yuta Nakayasu, Masaru Watanabe. Glycine-Assisted Hydrothermal Leaching of LiCoO2/LiNiO2 Cathode Materials with High Efficiency and Negligible Acid Corrosion Employing Batch and Continuous Flow System. ACS Sustainable Chemistry & Engineering. 2021
more...
MISC (2):
  • 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
  • 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):
  • The process for producing an aromatic compound
  • A method to produce benzene and naphthalene
Lectures and oral presentations  (19):
  • Hydrothermal leaching of commercial and spent lithium-ion battery cathode materials with citric acid employing batch and continuous flow system
    (The 18th European Meeting on Supercritical Fluids 2021)
  • Lipid extraction from wet microalgae by liquefied dimethyl ether in pilot scale
    (18th Asian Pacific Confederation of Chemical Engineering Congress (APCChE 2019) 2019)
  • Lipid extraction from wet microalgae by liquefied dimethyl ether
    (The 7th Asia-Oceania Conference on Green and Sustainable Chemistry 2018)
  • Effects of hydrothermal conditions on production of coal organic microspheres
    (The 14th Japan-China Symposium on Coal and C1 Chemistry 2018)
  • Low-temperature extraction of direct coal liquefaction residue by liquefied dimethyl ether
    (The 14th Japan-China Symposium on Coal and C1 Chemistry 2018)
more...
Education (1):
  • 2006 - 2011 Shandong University Materials science
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 Postdoctoral researcher
  • 2011/09 - 2013/03 Kumamoto University Faculty of Engineering Department of Applied Chemistry and Biochemistry Researcher
Awards (1):
  • 2015/10 - The Japan Institute of Energy Presentation award Hydrothermal Oxidation and Decarboxylation of Brown Coal
Association Membership(s) (2):
The Royal Society of Chemistry ,  Japan Institute of Energy
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