开发Moringa种子粉末修饰的废渣地质聚合物,以提高机械性能和有效去除染料
Soher A Hashish1, Essam A Kishar2, Doaa A Ahmed2
1Chemistry Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, 11757, Egypt. soher.abdelsalam@women.asu.edu.eg.
Scientific reports
|March 16, 2025
概括
一种基于渣的新型地质聚合物,经过摩林加种子粉末 (MSP) 修饰,有效地去除了水晶紫色 (CV) 染料. 这种环保复合材料提高了机械强度和吸附能力,为废水处理提供了可持续的解决方案.
科学领域:
- 材料科学:开发用于环境修复的先进复合材料.
- 环境工程:废物材料的应用用于废水中去除污染物.
- 化学工程:对吸附机制和材料表征的研究.
背景情况:
- 水晶紫色 (CV) 是一种持久性,不可生物降解的染料,具有环境风险.
- 工业废物如高炉碎片渣 (GGBFS) 和农业废物如Moringa种子粉 (MSP) 是丰富的.
- 地质聚合物为开发功能吸附剂提供了一个有希望的矩阵.
研究的目的:
- 开发和表征一种改性焦渣基地质聚合物复合物,其中包含MSP,用于增强CV去除.
- 评估开发的地质聚合物的机械性能和吸附性能.
- 探索利用工业和农业废物在可持续废水处理中的潜力.
主要方法:
- 地质聚合物复合物 (SM1,SM2,SM3) 通过将MSP的不同百分比 (0.2%,0.6%,1%) 纳入GGBFS使用活性剂来合成.
- 材料表征包括XRD,FTIR和SEM分析.
- 机械性能 (压力强度,多孔性) 和吸附性能 (异温,动力模型) 通过批量实验进行评估.
主要成果:
- 与对照组相比,SM1地质聚合物复合物 (0.2%MSP) 的压力强度 (在180天后为73MPa) 提高了25.8%.
- 与对照组相比,经过修改的地质聚合物混合物显示CV的吸附性更高.
- 该SM3混合物实现了高吸附能力为322.58mg/g的CV去除.
结论:
- 将MSP纳入基于渣的地质聚合物显著提高了机械强度和CV吸附能力.
- 修改后的地质聚合物表现出改善的表面特性,有利于污染物去除.
- 这项研究强调了通过利用工业和农业废物来处理废水的可持续方法.
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