一个实验室规模的地下流动结构湿地系统的性能评估,用于织工业废水处理
Selvaraj Selvakumar1, Kovilpillai Boomiraj2, Sivakumar Durairaj3,4
1Water Technology Centre, Tamil Nadu Agricultural University, Coimbatore, India.
Environmental science and pollution research international
|September 5, 2023
概括
生物炭 (BCW) 构建的湿地在织废水处理方面表现优于传统系统,有效地去除重金属和减少总溶解固体 (TDS). BCW为织废水管理提供了卓越的解决方案.
科学领域:
- 环境工程 环境工程
- 水处理技术水处理技术
- 材料科学 材料科学 材料科学
背景情况:
- 由于高污染物负载,包括重金属和总溶解固体 (TDS),织废水带来了重大环境挑战.
- 传统的地下流 (CCW) 建造的湿地用于废水处理,但效率可能受到限制.
- 生物煤构建湿地 (BCW) 是改善污染物清除的潜在替代方案.
研究的目的:
- 为了比较生物炭 (BCW) 系统与传统地下流 (CCW) 系统在处理织废水中的污染物去除效率.
- 评估BCW和CCW在去除重金属 (Cr,Cd,Cu,Pb,Ni,Zn) 和减少TDS方面的效率.
- 评估这两种系统对性和 (Na) 含量对织废水的影响.
主要方法:
- 使用了两个相同的构建湿地系统:一个具有生物炭层 (BCW) 和一个常规 (CCW).
- 系统的最大流量为BCW的0.021 m3 h-1和CCW的0.02 m3 h-1.
- 在两个系统中,随着时间的推移,监测了污染物去除,包括重金属,TDS,性和Na.
主要成果:
- 与CCW (40.04%) 相比,BCW在去除重金属和减少TDS方面表现出更高的效率 (53.07%).
- 在3-12小时内,BCW实现了100%的重金属去除,而CCW需要6-24小时.
- BCW中和了性,并比CCW (>24小时) 实现了更快的去除和平衡 (24小时).
结论:
- 用生物炭建造的湿地 (BCW) 在处理织废水方面比传统系统更有效.
- 在降低TDS,中和性和快速去除重金属方面,BCW表现出色.
- 这项研究强烈支持使用生物炭建造的湿地进行可持续的织废水处理.
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