The Chemical Behavior of Low Valence Sulfur Compounds. III. Production of Ammonium Sulfamate by the Oxidation of Ammonium Thiosulfate
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概要
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The oxidation of ammonium thiosulfate with compressed oxygen in aqueous ammonia solution was examined. It was found that ammonium sulfamate and ammonium sulfate are mainly produced and a small amount of nitrite and imidodisulfonate obtained in the final solution. The most suitable conditions to produce ammonium sulfamate from ammonium thiosulfate industrially are as follows: reaction temperature 100°C, oxygen pressure 50 kg/cm<SUP>2</SUP>, concentration of ammonia 16 mol/<I>l</I>, concentration of cupric ion 0.1–0.2 mol/<I>l</I>. The electrolytic oxidation, hydrogen peroxide oxidation and ozone oxidation of ammonium thiosulfate were also examined.
- 公益社団法人 日本化学会の論文
著者
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Okabe Taijiro
Department Of Medicine And Bioregulatory Science (third Department Of Internal Medicine) Graduate Sc
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Naito Kunishige
Department Of Materials Science Faculty Of Engineering Ibaraki University
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Yoshida Masahiro
Department Of Applied Bioorganic Chemistry Gifu University
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Shieh Mu-Chang
Department of Applied Chemistry, Faculty of Engineering, Tohoku University
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Okabe Taijiro
Department of Applied Chemistry, Faculty of Engineering
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Naito Kunishige
Department of Applied Chemistry, Faculty of Engineering, Tohoku University
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