journal article·2017-08

Carbon oxidation characteristics of yttrium manganate catalyst prepared via urea decomposition

Susumu Nakayama, Shota Kondo, Ryushiro Tokunaga, Chikara Tsutsumi, Tsuyoshi Miyata, Kiyoshi Tanaami, Yuji Isogai, Takahiro Naka

Ceramics International· Volume 43· Issue 11
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Abstract

Abstract YMnO 3 is a hexagonal crystal characterized by high carbon oxidation activity. In this study, carbon black powder has been directly oxidized at temperatures as low as 250 °C with the active oxygen species generated by YMnO 3 catalyst. The activation energies measured for the non-catalyzed and YMnO 3 -catalyzed carbon oxidation reactions were 160 kJ mol −1 and 131 kJ mol −1 , respectively. During combustion testing of particulate matter in a ceramic form coated with YMnO 3 , the captured soot was continuously purified at a temperature of 350 °C.
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Research context

OpenAlex topics: Catalytic Processes in Materials Science · Catalysis and Oxidation Reactions · Catalysis and Hydrodesulfurization Studies

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