分散粘土漂浮用于同时从水中去除甲基蓝和甲基色
Ngo Thi Thu Thao1,2, Masaaki Konishi3, Hideo Hayashi4
1Graduate School of Engineering, Kitami Institute of Technology, Kitami, Hokkaido, 090-8507, Japan.
概括
一种新型的分散粘土 (DC) 通过快速漂浮方法有效地从水中去除有毒的甲基蓝 (MB) 和甲基色 (MO) 染料. 这种环保技术可以有效同时去除染料污染物.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 水处理技术水处理技术
背景情况:
- 来自工业活动的合成染料污染了水,由于其持久性和毒性,造成了严重的环境和健康风险.
- 有效和快速的染料去除技术对于减轻水生生态系统损害和保护人类健康至关重要.
研究的目的:
- 开发一种快速且同时的漂浮方法,从水中去除基本 (甲蓝) 和酸性 (甲) 染料.
- 为了研究分散粘土 (DC) 作为吸附剂的有效性,并将其修饰为增强分离的阴阳性表面活性剂.
主要方法:
- 分散粘土 (DC) 由蒙莫里隆石K-30 (MT) 合成,使用化和六甲.
- 采用浮动技术,使用直流和 cetyltrimethylammonium 化物 (CTAC) 作为阴离子表面活性剂.
- 在不同的DC和CTAC度下,评估了甲基蓝 (MB) 和甲基 (MO) 的吸附和去除效率.
主要成果:
- 合成的DC表现出适合染料吸附的大面积.
- 添加CTAC促进了直流粒子的快速凝结和表面浮动,使其易于分离.
- 该方法在5分钟内同时实现了98%以上的MB和96%以上的MO去除,即使在CTAC的存在下也是如此.
结论:
- 开发的分散粘土漂浮方法在快速同时从水中去除各种合成染料方面非常有效.
- 这项技术为工业废水处理和水污染控制提供了一个有希望的,具有环境意义的解决方案.
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