Sodium percarbonate (NaCO·1.5HO, SPC) has been extensively employed as a solid substitute of HO for Fenton process in water treatment, because of its high stability during the production, transport, storage and usage. In addition, SPC can be applied in a wider range of work pH, it is also applied as a buffer in Fenton reaction for preventing a drop in pH. Herein, we have synthesized basic copper molybdate (BCM) nanoblocks with the molecular formula of Cu(MoO)(OH) as an efficient and heterogeneous catalyst for antibiotics degradation percarbonate activation. First, fully physical characterizations confirmed BCM nanocomposite exhibited a structure of nanoblocks. We also found that BCM/SPC system could work in a much wider pH range, compared with HO. Then, BCM/SPC system presented a good anti-interference ability for natural organic matter in OTC degradation. EPR results and Quenching tests confirmed that the co-presence of CO, O, O and OH in BCM/SPC system.

中文翻译：

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碱式钼酸铜纳米块催化过碳酸盐活化降解抗生素：高性能、降解途径和机制


过碳酸钠（NaCO·1.5HO，SPC）因其在生产、运输、储存和使用过程中的高稳定性，已广泛用作芬顿法水处理中H2O的固体替代品。此外，SPC可适用于更广泛的工作pH范围，也可用作Fenton反应中的缓冲剂，防止pH值下降。在此，我们合成了分子式为 Cu(MoO)(OH) 的碱式钼酸铜（BCM）纳米块，作为抗生素降解过碳酸盐活化的高效非均相催化剂。首先，完全物理表征证实了 BCM 纳米复合材料呈现出纳米块结构。我们还发现，与 H2O 相比，BCM/SPC 系统可以在更宽的 pH 范围内工作。然后，BCM/SPC系统对OTC降解中的天然有机物表现出良好的抗干扰能力。 EPR结果和淬火测试证实了BCM/SPC体系中CO、O、O和OH的共存。