奇托/氧化纳米复合物的潜力,可以从水性溶液中去除铁和
Mahmoud Mohamed Elbordiny1, Sadeaka Abdelwahed Ahmed2, Abdellatif Saleh El-Sebaay1
1Department of Soil and Water, Faculty of Agriculture, Ain Shams University, Hadayek Shoubra, P.O. Box 68, Cairo, 11241, Egypt.
Environmental science and pollution research international
|December 6, 2024
概括
可生物降解的奇托桑纳米颗粒和二氧化纳米颗粒被用于制造用于重金属去除的薄膜. 这些新的膜有效地从溶液中去除铁和,显示出净化水的巨大潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 纳米技术纳米技术
背景情况:
- 重金属污染对水资源构成重大威胁.
- 开发有效和可持续的重金属去除方法至关重要.
- 从废物中提取的奇托提供了可生物降解和环保的材料基础.
研究的目的:
- 合成和表征新型薄膜,其中包括素纳米颗粒和二氧化纳米颗粒.
- 评估这些制造薄膜在从水溶液中去除铁和的效率.
- 研究纳米粒子比率和接触时间对重金属吸附的影响.
主要方法:
- 在水性介质中使用素纳米粒子 (Cs) 和二氧化纳米粒子 (TiO2) 制备薄膜.
- 使用传输电子显微镜 (TEM) 和里埃变换红外 (FTIR) 谱学进行光谱学表征.
- 吸附研究以确定铁 (Fe) 和 (Cr) 离子在不同接触时间的去除效率.
主要成果:
- 制造的奇托/TiO2/聚合物薄膜证明有效地去除了Fe和Cr.离子.
- 清除效率随着基托和TiO2纳米颗粒的比率提高而增加.
- 在接触时间的前30分钟内,超过70%的铁和离子被移除.
- 最佳薄膜 (0.08g TiO2) 在90分钟后实现了97.1%的Fe和88.8%的Cr去除.
结论:
- 开发的薄膜显示出从污染水中重金属修复的高潜力.
- 加入TiO2纳米颗粒显著提高了重金属吸附能力.
- 本研究提出了一种可持续的方法,使用废物衍生材料用于环境应用.
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