评估生物炭和铁作为替代材料,以提高埋水系统的性能-第1部分. 材料选择和批量测试
Chia-Yang Chen1,2, Sara Heger1, D Albrey Arrington2
1Water Resources Center, University of Minnesota, Saint Paul, Minnesota, USA.
概括
生物炭和铁增强沙子通过去除BOD,TN,FC,TSS和TP等污染物,显著改善了污水污水质量. 这些替代材料提供比传统的沙子更好的污染物去除,以更清洁的废水处理.
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:
- 污水处理系统对于废水处理至关重要,但可能会影响废水质量.
- 传统的土壤处理材料,如C33砂,在去除污染物方面存在局限性.
- 开发替代材料对于提高污泥系统性能和环境保护至关重要.
研究的目的:
- 评估和比较生物炭和铁增强砂与C33砂的有效性,以改善污水质量.
- 为了确定最佳的材料和剂量,以消除污染物在污染废水.
- 调查控制这些基板废水处理性能的动力机制.
主要方法:
- 使用C33砂,八种生物炭类型和三种不同剂量的铁材料进行了连续批量测试.
- 应用了伪一级和伪二级的动力模型来模拟时间治疗性能.
- 量化了BOD,TN,FC,TSS和TP的污染物去除效率.
主要成果:
- 软木松 (SP) 生物炭证明了对生物氧需求 (BOD),总 (TN) 和便大肠杆菌 (FC) 的优异降低.
- 铁增强砂 (IES) 在总悬浮固体 (TSS) (>80%) 和总 (TP) (>95%) 方面实现了最高的去除效率.
- 确定了最佳剂量:5g C33沙,1g SP生物炭,2g IES每50毫升的废水.
结论:
- 软木松生物炭和铁增强砂是有效的替代材料,可以提高污水的污水质量.
- 与传统的C33砂相比,这些材料提供了更好的污染物去除能力.
- 实施SP生物炭和IES可以导致更清洁的污水和环境效益.
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