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以自然为灵感的生物复合材料用于酸盐封存和回收:绿色合成,机械洞察力和多阶段优化
Hafiz Muhammad Umer Aslam1, Saurabh Singh2, Mohiuddin Quadir3
1Department of Civil, Construction and Environmental Engineering, North Dakota State University, Fargo, ND 58102, USA; Environmental and Conservation Sciences Program, North Dakota State University, Fargo, ND 58102, USA.
The Science of the total environment
|July 12, 2025
概括
铁-酸盐复合珠 (FeCSB) 有效地从水中去除酸盐,解决过度缩问题. 在优化条件下,除水率达到90-97%,这表明了水恢复和废水处理的有希望的解决方案.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 水的化学 水的化学
背景情况:
- 引起的化是一个重要的环境和经济问题.
- 开发环保吸附剂对于从水生系统中去除酸盐至关重要.
研究的目的:
- 为了研究铁-酸盐复合珠 (FeCSB) 对于水性酸盐去除的有效性.
- 使用统计方法优化吸附条件并阐明去除机制.
主要方法:
- 为了优化,采用了塔古奇方法和响应表面方法.
- 分析了吸附动力学和同热量 (弗朗德利希,伪二阶).
- 表面特征技术 (XPS,FTIR,EDX) 确定了去除机制.
主要成果:
- 最佳FeCSB在120-180分钟内实现了90-97%的酸盐去除.
- 最大吸附能力在中性pH下为57.75 mg/g,在pH2.0下为117.66 mg/g.
- 吸附涉及静电相互作用,复杂化和粒子内部扩散,由表面分析证实.
结论:
- FeCSB在从各种水源中去除酸盐方面表现出高效率和能力.
- 吸附剂是坚固的,可重复使用的,并在城市废水处理中有效.
- FeCSB提供了一种多功能解决方案,用于优化水资源的修复.
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