紫金花提取物处理废水的绿色合成及TiO2纳米颗粒的表征

M. A. Kazi, Z. Memon, F. A. Shah, Z. M. Ali
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引用次数: 0

摘要

人类居住区的工业发展使各种危害健康的污染物积聚到水体中,成为生态污染源。水是地球上生物不可缺少的财富,因为它在物理化学和人们的需求方面具有重要的意义。本研究的目的是利用重要药用植物紫金花的提取物合成生态友好型TiO2纳米颗粒。研究植物是在当地收集的。二氧化钛纳米颗粒的制备采用了已经报道过的简单方法,将二氧化钛加入到粗提取物中,直到颜色发生变化。通过紫外光谱和傅里叶变换红外光谱对合成结果进行了验证,并用扫描电镜对合成产物的形状和大小进行了测量。通过能量色散x射线光谱分析确定了元素的存在。结果表明,颜色变化、能带移动证实了TiO2纳米粒子的成功合成。最多合成的纳米颗粒形状为圆形,大小不一。分析了制备的纳米颗粒对废水的净化效果。制备的TiO2纳米粒子显著降低了水的总溶解盐含量和硬度。因此,合成的二氧化钛纳米颗粒可以成为清洁废水的最佳来源,特别是废水中的硬度和总溶解盐,而不会破坏水质。
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Green Synthesis and Characterization of TiO2 nanoparticles using extract of Alhagimaurorum for the Treatment of Waste Water
Development of industries in the human based area became source of ecological contamination through accumulation of various health hazard pollutants into the water. Water is highly imperative treasure for living creature on earth because of its too much importance in physiochemical and for people’s requirement. The objective of the current study is to synthesize the ecofriendly TiO2 nanoparticles using extract of pharmaceutically important plant Alhagimaurorum. The studies plant was collected locally. The TiO2 nanoparticles were prepared using the simple already reported method, by addition of TiO2 into the crude extract until change in color occurs. The synthesis was confirmed through UV-spectroscopic andFourier-transform infrared spectroscopy, shape and size of particles were measure using scanning electron microscope. The elemental presence was assured through energy Dispersive X-ray spectrometric analysis. The result showed that color change, band shift confirmed the successful synthesis of TiO2 nanoparticles. Maximum synthesized nanoparticles were round in shape with varying in size. The waste water cleaning efficacy of prepared nanoparticles was analyzed. The prepared TiO2 nanoparticles significantly reduced the total dissolved salt contents and hardness of water. Therefore these synthesized TiO2 nanoparticles could be the best source for cleaning of waste water particularly hardness and total dissolved salts from waste water without spoiling quality of water.
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