研究通过准备的高度吸附的表面凝纳米复合材料去除阳离子染料,作为适用于水溶液的材料
Aseel M Aljeboree1, Ayad F Alkaim2
1Department of Chemistry, College of Sciences for Girls, University of Babylon, Hilla, 5001, Iraq. annenayad@gmail.com.
Scientific reports
|April 20, 2024
概括
一种新的纳米复合物水凝,酸-g-多 (烯胺-粘土) /TiO2,有效地从水中去除刚果红色染料. 这种吸附剂显示出高效率,自发的内热吸附,以及用于净化水的优良可重复使用性.
科学领域:
- 材料科学:新型水凝纳米复合材料的合成和特征.
- 环境化学:从水溶液中吸附有机污染物.
背景情况:
- 织行业的废水通常含有有毒的染料,如刚果红 (CR).
- 有效的染料去除和水净化需要高效和可重复使用的吸附剂.
研究的目的:
- 为了合成和描述一个藻酸盐-g-多 (烯胺-粘土) /TiO2 [SA-g-p(AM-Bn) /TiO2]水凝纳米复合材料.
- 为了研究纳米复合材料的吸附性能,用于清除刚果红色染料.
- 评估合成吸附剂的可重复使用性和适用性.
主要方法:
- 合成SA-g-p ((AM-Bn) /TiO2纳米复合物使用酸,烯胺和托尼特粘土与TiO2纳米颗粒.
- 使用TGA,EFSEM/EDX,TEM,FT-IR和XRD进行表征.
- 吸附研究研究接触时间,吸附剂剂量,初始度,pH值和温度的影响.
主要成果:
- 在1小时内,CR染料的最大吸附能力为185.12 mg/g,在100 mg/L,pH值为6.0的情况下.
- 吸附遵循弗洛伊德利希等温和和伪第一阶动力学,表明通过静电吸引物质吸附.
- 由热力学参数 (ΔG和ΔH) 确认的自发和内热吸附过程.
结论:
- SA-g-p ((AM-Bn) /TiO2纳米复合材料是刚果红色染料去除的高效吸附剂.
- 吸附剂具有出色的可重复使用性和可回收性.
- 该材料显示出在织工业和水净化领域有很大的应用潜力.
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