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用于还原4-硝基苯酚、刚果红和亚甲基蓝的天然钠沸石负载铜纳米颗粒的原位绿色合成。

In situ green synthesis of Cu nanoparticles supported on natural Natrolite zeolite for the reduction of 4-nitrophenol, congo red and methylene blue.

作者信息

Nasrollahzadeh Mahmoud, Sajadi S Mohammad, Maham Mehdi, Dasmeh Hamid Reza

机构信息

Center of Environmental Researches, University of Qom, Qom, Iran.

Department of Petroleum Geoscience, Faculty of Science, Soran University, PO Box 624, Soran, Kurdistan Regional Government, Iraq.

出版信息

IET Nanobiotechnol. 2017 Aug;11(5):538-545. doi: 10.1049/iet-nbt.2016.0143.

Abstract

This study demonstrates a clean, non-toxic and environment friendly synthetic strategy for the preparation of the Natrolite zeolite/Cu nanoparticles (NPs) using Natrolite zeolite as a natural support and flowers aqueous extract as a reducing and stabilising agent for the synthesis of Cu NPs. Cu NPs with 20 nm diameter were immobilised homogeneously on the surface of Natrolite zeolite. The synthesised Natrolite zeolite/Cu NPs was used as an environmentally benign catalyst for the reduction of 4-nitrophenol, congo red and methylene blue in aqueous media at an ambient temperature. It has been found that the catalyst can be reused several times without any decrease in activity.

摘要

本研究展示了一种清洁、无毒且环境友好的合成策略,该策略以钠沸石作为天然载体,花朵水提取物作为铜纳米颗粒(NPs)合成的还原剂和稳定剂,用于制备钠沸石/铜纳米颗粒。直径为20 nm的铜纳米颗粒均匀地固定在钠沸石表面。合成的钠沸石/铜纳米颗粒在环境温度下用作水介质中4-硝基苯酚、刚果红和亚甲基蓝还原反应的环境友好型催化剂。已发现该催化剂可重复使用多次而活性无任何降低。

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