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Suzuki, Ryohei*; Tani, Yukinori*; Naito, Hirotaka*; Miyata, Naoyuki*; Tanaka, Kazuya
Catalysts, 10(1), p.44_1 - 44_15, 2020/01
Times Cited Count:12 Percentile:36.73(Chemistry, Physical)We prepared biogenic Mn oxides (BMOs) using strain KR21-2, and subsequently conducted single or repeated treatment experiments in Cr(NO
)
at pH6.0. Under aerobic conditions, newly formed BMOs exhibited a rapid production of Cr(VI) without a significant release of Mn(II), demonstrating that newly formed BMO mediates a catalytic oxidation of Cr(III) with a self-regeneration step of reduced Mn. In anaerobic solution, newly formed BMOs showed a cessation of Cr(III) oxidation in the early stage of the reaction, and subsequently had a much smaller Cr(VI) production with significant release of reduced Mn(II).
Motokura, Ken*; Fukuda, Takuma*; Uemura, Yohei*; Matsumura, Daiju; Ikeda, Marika*; Nambo, Masayuki*; Chun, W.-J.*
Catalysts, 8(3), p.106_1 - 106_8, 2018/03
Times Cited Count:4 Percentile:8.25(Chemistry, Physical)