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银铜钯合金中钯的回收工艺研究
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TG146.3

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Study on Recovery Process of Pd in the Lower-Pd Alloy Wastes
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    摘要:

    利用硝酸钯加热水解的特性,将银铜钯合金中的钯溶解并富集为水合氧化耙,用二氯二氨络亚钯法回收提纯钯,钯直收率达92.8%,回收率达98.4%。新工艺流程短,试剂消耗少,成本低。

    Abstract:

    A new recovery Process of Pd in the lower-Pd alloy wastes is presented. Firstly, using hydrolytic property of Pd(NO3)2 (when heating), the Pd in the wastes is concentrated, and is PdO. H2O producted. Then, using a Pd[(NH3)2Cl2] method, Pd can be recovery and purified. The.direct recovery ratio of Pd reaches 92.8%, and recovery ratio is up to 98.4%. The new recovery method has the advantages of shorter processing cycle, less consumption of reagent and lower cost. It is one of effective methods of recoverying Pd from lower-Pd alloy wastes.

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杨晓霞,董蔚,闫应科,海英,刘增方.银铜钯合金中钯的回收工艺研究[J].稀有金属材料与工程,2001,(3).[Yang Xiaoxia, Dong Wei, Yan Yingke, Liu Haiying, Liu Zengfang. Study on Recovery Process of Pd in the Lower-Pd Alloy Wastes[J]. Rare Metal Materials and Engineering,2001,(3).]
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