Green synthesis of Silver-iron-zinc oxides nanocomposite via Embelia schimperia leaf extract for photo-degradation of antibiotic drug from pharmaceutical wastewater

IF 5.7 3区环境科学与生态学 Q1 WATER RESOURCES

Applied Water Science Pub Date : 2024-08-31 DOI:10.1007/s13201-024-02272-6

Defar Getahun Gizachew, Edo Begna Jiru, Tsigab Tekle’Ab, Yigezu Mekonnen Bayisa, Tafere Aga Bullo

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Abstract

The co-precipitation approach is used in the current study to create an environmentally friendly Ag/Fe/ZnO nanocomposites utilizing an aqueous leaf extract of Embelia schimperia. The synthesized nanocomposite was characterized using Fourier-transform infrared, UV, X-ray, UV–vis, DLS, TGA, and SEM to determine its functional group, structure, bandgap energy, size distribution, a mass of loss, and energy gain or loss, and morphological structure, respectively. The bioactive components of Embelia schimperia, synthesized Ag/Fe/ZnO NCs and degradation of Amoxicillin via photocatalyst were assessed. The response surface methodology of central composite design (CCD) was used to examine and optimize the effects of three independent variables on the degradation of Amoxicillin under visible light. According to the experimental findings, the maximum photocatalytic degradation efficiency was achieved at green synthesized Ag/Fe/ZnO NCs dosage of 100 mg, a concentration of Amoxicillin of 30 mg/L and a radiation time of 180 min. Their findings show that Embelia schimperia extract-derived Ag/Fe/ZnO nanocomposites is a promising alternative for degradation of pharmaceuticals contamination of wastewater via photocatalytic under the given conditions.

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利用银莲花叶提取物绿色合成银-铁-锌氧化物纳米复合材料，用于光降解制药废水中的抗生素药物

本研究采用共沉淀法，利用Embelia schimperia的水性叶提取物制造出一种环境友好型Ag/Fe/ZnO纳米复合材料。利用傅立叶变换红外光谱、紫外光谱、X 射线光谱、紫外可见光谱、DLS、TGA 和 SEM 对合成的纳米复合材料进行了表征，分别测定了其官能团、结构、带隙能、尺寸分布、损失质量、能量损益和形态结构。评估了五味子的生物活性成分、合成的 Ag/Fe/ZnO NCs 以及光催化剂对阿莫西林的降解作用。采用中心复合设计（CCD）响应面方法考察并优化了三个自变量对阿莫西林在可见光下降解的影响。实验结果表明，当绿色合成的 Ag/Fe/ZnO NCs 用量为 100 毫克、阿莫西林浓度为 30 毫克/升、辐射时间为 180 分钟时，光催化降解效率最高。研究结果表明，在给定条件下，Embelia schimperia 提取物衍生的 Ag/Fe/ZnO 纳米复合材料有望通过光催化降解废水中的药物污染。

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