Hiroyuki Akiho
Central Research Institute of Electric Power Industry
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Publication
Featured researches published by Hiroyuki Akiho.
Environmental Science & Technology | 2013
Hiroyuki Akiho; Shigeo Ito; Hiromitsu Matsuda; Toshiaki Yoshioka
The mechanism of reaction between peroxodisulfate ion (S2O8(2-)), selenite (Se(IV)O3(2-)) and Mn(2+) as an inhibitor of selenite oxidation was studied using aqueous solutions composed of commercial reagents, as well as limestone-gypsum flue gas desulfurization (FGD) liquors sampled from coal fired power plants. The oxidation of selenite to selenate (Se(VI)O4(2-)) is promoted by the sulfate ion radical (SO4(-)) which results from decomposition of S2O8(2-). In the presence of Mn(2+), selenite oxidation was prevented due to the difference in rates of reaction with SO4(-). The ratio of the oxidation rate constants of selenite and Mn(2+) with SO4(-) was determined over a temperature range of 40-60 °C, and was found to be little influenced by the various coexisting components in FGD liquors.
Powder Technology | 2008
Akimasa Yamaguchi; Hiroyuki Akiho; Shigeo Ito
Fuel | 2010
Hiroyuki Akiho; Shigeo Ito; Hiromitsu Matsuda
Energy Conversion and Management | 2016
Makoto Kobayashi; Hiroyuki Akiho
Energy | 2015
Makoto Kobayashi; Hiroyuki Akiho; Yoshinobu Nakao
Fuel | 2012
Hiroyuki Akiho; Tohru Yamamoto; Yoshihisa Tochihara; Naoki Noda; Shinichi Noguchi; Shigeo Ito
Archive | 2008
Hiroyuki Akiho; Shigeo Ito; Hiromitsu Matsuda
Journal of Environmental Management | 2017
Makoto Kobayashi; Hiroyuki Akiho
Journal of The Japan Institute of Energy | 2004
Hiroyuki Akiho; Makoto Nunokawa; Hiromi Shirai
Fuel | 2017
Makoto Kobayashi; Hiroyuki Akiho
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