使用Ti/Ti进行电凝,用于修复和重复使用水性分散蓝-79
Sahaya Leenus Sebastian1, Parameswari Kalivel2, Kavitha Subbiah3
1Department of Applied Chemistry, Karunya Institute of Technology and Sciences, Coimbatore, 641114, Tamil Nadu, India.
Environmental monitoring and assessment
|January 19, 2024
概括
本研究介绍了一种环保的混合工艺,结合了电凝和活性炭过,用于织废水处理. 优化的方法有效地去除合成染料和污染物,产生高质量,可重复使用的水,没有残留金属.
科学领域:
- 环境化学环境化学
- 水处理技术水处理技术
- 工业生态学 工业生态学
背景情况:
- 织行业的合成染料污染了生态系统.
- 传统的废水处理方法往往是昂贵或无效的.
- 电凝 (EC) 是一个有希望的环保替代品,但存在局限性.
研究的目的:
- 评估混合电凝 (EC) 和活性炭过工艺用于处理织废水.
- 优化操作条件,以获得最大的色彩去除效率 (CRE) 和污染物减少.
- 通过分析处理水质量和金属含量来评估水的再利用可行性.
主要方法:
- 一种混合工艺,使用单极Ti/Ti电极的电凝,然后进行活性炭过.
- 检查参数,包括初始pH值,应用电压,染料度,电解质和处理时间.
- 使用富里埃变换红外光谱 (FTIR),原子吸收光谱 (AAS) 和感应合等离子体 - 光学发射光谱法 (ICP-OES) 分析处理过的水.
主要成果:
- 最大CRE为99.4%,实现了93%的化学氧需求 (COD) 和85%的生物氧需求 (BOD) 消除.
- 优化条件:15V的应用电压,pH7,染料度110mg/L,电解质0.2g/L,处理时间15分钟.
- 经过处理的水中没有金属痕迹,证实了其适合重复使用.
结论:
- 混合EC和活性炭过工艺对于织废水整治非常有效.
- 优化的工艺为去除染料和再利用水提供了具有成本效益和环保的解决方案.
- 这种方法显著提高了经过处理的废水质量,最大限度地减少了对环境的影响.
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