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首页> 外文期刊>RSC Advances >Economical and green synthesis of Cu nanowires and their use as a catalyst for selective hydrogenation of cinnamaldehyde
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Economical and green synthesis of Cu nanowires and their use as a catalyst for selective hydrogenation of cinnamaldehyde

机译：铜纳米线的经济和绿色合成及其作为肉桂醛选择性加氢的催化剂的用途

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The reduction of Cu(OH)(2) by hydrazine in a concentrated NaOH solution containing ethylenediamine at 70 degrees C has been employed to prepare Cu nanowires. The net change during nanowire synthesis is that the consumption of Cu(OH)(2) and hydrazine gives rise to the formation of Cu nanowires, N-2 and H2O, which make it possible for us to endlessly reuse the produced wastewater after the removal of Cu nanowires. By controlling the re-added amounts of hydrazine and ethylenediamine in the case of reusing the wastewater, we have found that the morphology of Cu nanowires is kept almost unchanged even though the wastewater is recycled more than ten times. The recycle of the endlessly reusable wastewater not only significantly reduces the cost of Cu nanowires but also makes this approach environmentally friendly. In addition, as a catalyst for selective hydrogenation of cinnamaldehyde, the as-formed Cu nanowires show different catalytic performance in comparison with the unsupported Cu nanoparticles.
机译：在含乙二胺的浓NaOH溶液中，在70℃下通过肼还原Cu（OH）（2）已用于制备Cu纳米线。纳米线合成过程中的净变化是Cu（OH）（2）和肼的消耗导致形成了Cu纳米线，N-2和H2O，这使我们有可能在去除后无限循环地利用产生的废水铜纳米线。通过在废水回用的情况下控制肼和乙二胺的重新添加量，我们发现，即使废水被回收了十次以上，Cu纳米线的形态也几乎保持不变。无限循环的废水的回收利用不仅大大降低了铜纳米线的成本，而且使这种方法变得环保。此外，作为肉桂醛选择性加氢的催化剂，形成的Cu纳米线与未负载的Cu纳米线相比具有不同的催化性能。

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