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随 K,Ca 在 CuCr/γ-Al_2O_3催化剂中含量增加,催化剂中铜由 CuCrO_4的结构形态逐渐转变为 CuO.催化剂母体中 CuO 的生成,提高了糠醛气相加氢制糠醇的选择性.
The content of copper in CuCr / γ-Al 2 O 3 catalyst increases with the increase of K and Ca, and the Cu in the catalyst gradually changes from CuCrO 4 to CuO. The formation of CuO in the catalyst matrix improves the selectivity of furfural gas-phase hydrogenation to furfuryl alcohol.