Methanol Synthesis from CO2 and H2 over CuO-ZnO Catalysts Combined with Metal Oxides under 13atm Pressure.
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概要
- 論文の詳細を見る
The synthesis of methanol from CO<SUB>2</SUB> and H<SUB>2</SUB> in a flow reactor was studied over CuO–ZnO catalysts combined with ZrO<SUB>2</SUB>, MgO, Al<SUB>2</SUB>O<SUB>3</SUB>, or Cr<SUB>2</SUB>O<SUB>3</SUB> under a presssure of 13 atm. CuO–ZnO–Al<SUB>2</SUB>O<SUB>3</SUB>, CuO–ZnO–ZrO<SUB>2</SUB>, and CuO–ZnO–MgO showed higher activity and higher selectivity for methanol than did CuO–ZnO. The selectivity for methanol formation became higher as the reaction temperature was lower, or any of the H<SUB>2</SUB>/CO<SUB>2</SUB> ratio, the pressure and the space velocity were higher. On the basis of analyses by XRD, XPS, and ultraviolet diffused reflectance spectroscopy, the active centers of CuO–ZnO–ZrO<SUB>2</SUB> seem to be a Cu<SUP>+</SUP>–ZnO species stabilized by ZrO<SUB>2</SUB>.
- 公益社団法人 日本化学会の論文
著者
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Xu Zheng
Department Of Biochemistry And National Laboratory Of Pharmaceutical Biotechnology Nanjing Universit
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Hattori Hideshi
Department of Chemistry, Faculty of Science, Hokkaido University
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Tanabe Kozo
Department of Chemistry, Faculty of Science, Hokkaido University
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Xu Zheng
Department of Chemistry, Jilin University
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Qian Zaihu
Department of Chemistry, Jilin University
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Mao Liqun
Department of Chemistry, Jilin University
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