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碳表面改質對碳酸二甲酯合成使用之CuCl/sub 2//C觸媒性質的影響

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圖 3 所示為載體氫化對 CuCl 2 /C 觸媒 活性衰退的影響,在 8 小時的觸媒活性衰 退測試中,CuCl 2 /C-H1000 的活性衰退情形 遠較 CuCl 2 /C 低,顯示以氫化前處理活性 碳有助於穩定觸媒。 4.觸媒鑑定 為了探尋氫化的效果,本研究對觸媒 進行了幾項鑑定。以 Micromeritics 的 ASAP  2010 測定觸媒的物理性質,結果如表 2 所 示,由此表可看出 CuCl 2 /C-H1000 觸媒之 表面積最高,可能是在以氫化除去活性碳 的含氧官能基後孔洞變大,阻塞的情
圖 5  氧的 ESCA 細勘比較圖 930 935 940 CBACounts Binding energy(eV)

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