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Tokyo University of Marine Science and Technology

Shinagawa Etchujima CampusGraduate School of Marine Science and Technology

The Graduate School of Marine Science and Technology has a doctoral course divided into a master's course and a doctoral course, and trains independent highly specialized professionals who open up cutting-edge fields.Furthermore, in collaboration with the Japan Fisheries Research and Education Agency, the Japan Agency for Marine-Earth Science and Technology, and the National Institute of Maritime, Port and Aviation Technology, we will further enhance education and research and improve the quality of graduate students. We are trying to

Graduate School of Marine Science and Technology

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[Awards and Commendations] Yuma Shimizu (1st year master's student) received the Academic Poster Award at the 10th ZAIKEN Festa.

Graduate School of Marine Science and Technology Companies / researchers Current students

At the 2023th ZAIKEN Festa held on October 10, 5, Yuma Shimizu, a graduate student at our university, received the conference poster award.This year, nearly 10 poster presentations were made by students, two of which received awards for excellence.The Environmental Chemical Engineering Laboratory (Fuchida Laboratory) of the Department of Marine Resources and Energy Studies, Faculty of Academic Research, is one of the leading research facilities in Tokyo, equipped with numerous processing and surface analysis instruments (SEM, TEM, XPS, EPMA, etc.). We are conducting joint research with Waseda University's Kagami Memorial Materials Research Institute (hereinafter referred to as Zaiken), and this time we introduced the results of that research.The poster used in the presentation will be displayed at the main entrance of the Institute for one year.

【Winner】
Yuma Shimizu (Graduate School of Marine Science and Technology, Department of Marine Resources and Environmental Studies, Master's Program)1Years）

[Title of award-winning research]
Discussion on the hydrophilization mechanism of pyrite by marine iron-oxidizing bacteria during seawater flotation

[Details of award-winning research]
Flotation is widely used as a primary separation method for ores that serve as raw materials for non-ferrous metal resources, but technology using seawater is being developed with the aim of making the process more efficient and lower cost.In this study, we investigated a technology that uses iron-oxidizing bacteria that live in the ocean instead of inhibitors such as lime in order to suppress the floating of pyrite, a gangue mineral contained in ores.Collected on past research cruises2A large amount of different types of iron-oxidizing bacteria were cultured, and after reacting with pyrite, a column flotation test was conducted.As a result, the effect of suppressing pyrite floating was confirmed when iron-oxidizing bacteria with a hydrophilic membrane were used.

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Waseda University Kagami Memorial Materials Technology Research Institute

 

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