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        解決方案
        Solution
        Recovery of spent catalyst
        廢催化劑回收
        Pd-C廢催化劑需經焙燒,焙燒的作用主要是除去廢催化劑中的載體和廢吸附劑中的炭及有機物,因為有機物和炭灰阻礙下工序中貴金屬與強酸的充分接觸,經過焙燒后可以提高貴金屬的回收率。焙燒時鈀會發生氧化反應,形成氧化鈀,而氧化鈀不溶于無機酸,需要用還原劑還原成金屬鈀才能進入溶解流程。
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