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A mesoporous encapsulated nanozyme for decontaminating two kinds of wastewater and avoiding secondary pollution.
Nanoscale ( IF 5.8 ) Pub Date : 2020-06-24 , DOI: 10.1039/d0nr03217d
Faming Wang 1 , Yan Zhang 1 , Zhengwei Liu 1 , Jinsong Ren 2 , Xiaogang Qu 2
Affiliation  

Water pollution is becoming a major and serious issue all over the world. However, considering conventional methods for wastewater purification is chemically, energetically and technologically intensive, thus finding a reliable and energy-saving method is still a considerable conundrum. Herein, a mesoporous encapsulated dual-function complex nanozyme consisting of gold, platinum, and cobalt tri-metal is reported, and it not only shows high activity for water purification but also has outstanding resistance to the harsh conditions of the wastewater. This complex nanozyme simultaneously exhibits excellent peroxidase mimicking activity and catalase mimicking activity, which could handle two kinds of wastewater effectively in one system, thus avoiding the use of fresh H2O2 resources and greatly saving resources. In comparison with conventional methods, this nanozyme integrated the “oxidation” process and the “deoxidation” process together in one system very well, successfully avoiding the problem of secondary pollution in the current methods. Furthermore, the treated water is compatible with cells and safe for mice. Therefore, this highly-active nanozyme provides a resource-saving and environment-friendly method for wastewater decontamination, which will be a potential way to directly convert polluted water into bio-safe resources in the future.

中文翻译:

一种中孔包封的纳米酶,用于净化两种废水并避免二次污染。

水污染正在成为世界范围内的重大和严重问题。然而,考虑到用于废水净化的常规方法在化学,能量和技术上是密集的,因此找到可靠且节能的方法仍然是一个很大的难题。这里,报道了由金,铂和钴三金属组成的介孔包封的双重功能复合纳米酶,其不仅显示出高的净水活性,而且对废水的苛刻条件具有优异的耐受性。这种复杂的纳米酶同时具有出色的过氧化物酶模拟活性和过氧化氢酶模拟活性,可以在一个系统中有效处理两种废水,从而避免使用新鲜的H 2 O 2资源,大大节省资源。与常规方法相比,该纳米酶很好地将“氧化”过程和“脱氧”过程集成在一个系统中,成功避免了当前方法中的二次污染问题。此外,处理后的水与细胞相容并且对小鼠安全。因此,这种高活性的纳米酶为废水净化提供了一种资源节约和环境友好的方法,这将是将来将污水直接转化为生物安全资源的潜在途径。
更新日期:2020-07-16
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