Reaction of butane to isobutane catalyzed by the solid superacid of HfO<sub>2</sub> treated with sulfate ion期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Reaction of butane to isobutane catalyzed by the solid superacid of HfO₂ treated with sulfate ion

Authors:	K Arata and M Hino

Institution:	(1) Hokkaido University of Education, Hachiman-cho, 040 Hakodate, Japan;(2) Hakodate Technical College, Tokura-cho, 042 Hakodate, Japan

Abstract:	The fourth solid superacid following Fe₂O₃, TiO₂ and ZrO₂ was synthesized by the addition of sulfate ion to HfO₂. The catalyst, which was obtained by exposing Hf(OH)₄, prepared by the hydrolysis of HfCl₄, to 2N H₂SO₄ and then calcining in air at 600–800 °C, was active for the skeletal isomerization of butane to isobutane. , Fe₂O₃, TiO₂ ZrO₂, HfO₂. , Hf(OH)₄, HfCl₄, 2N H₂SO₄ 600–800 °C, .

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