处理不当对FOG沉积的影响:下水道系统的风湿行为和动功率要求
Hamza Hassan Yusuf1, Felicity Roddick1, Veeriah Jegatheesan1
1School of Engineering, RMIT University, Melbourne VIC 3001, Australia.
Water research
|March 4, 2025
概括
在下水道中不适当地处理食物废物和卫生用品会导致大量的脂肪,油和油脂 (FOG) 沉积物形成. 性条件和湿巾等材料加剧FOG的积累,导致下水道堵塞.
科学领域:
- 环境工程 环境工程
- 废水处理 废水处理
- 材料科学 是一种材料科学.
背景情况:
- 家庭的处置做法有助于通过脂肪,油和油脂 (FOG) 沉积物堵塞下水道.
- 之前关于FOG形成的研究往往忽略了复杂的废水组成.
- 了解FOG沉积机制对于有效的下水道管理至关重要.
研究的目的:
- 研究有机/无机物质和卫生用品对FOG形成的影响.
- 分析FOG沉积物的再生学特性.
- 确定防止FOG造成的阻塞所需的动功率.
主要方法:
- 使用使用的油 (UCO) 进行批量过程实验,以研究FOG沉积.
- 不同的pH条件 (酸性与性) 来评估FOG形成.
- 将有机物质,食品颗粒和卫生用品 (组织,湿巾) 纳入UCO.
- 根据摩擦损失和压力下降,进行了风学分析和动功率计算.
主要成果:
- 性pH (9) 与酸性pH (5) 相比,显著增加了57.2%的FOG沉积.
- 废水中的有机成分略微增强了FOG沉积物,与含量增加有关.
- 湿巾和面部组织显著增加了FOG沉积物 (分别为5.59 mg/mL UCO和4.10 mg/mL UCO) 由于纤维捕获.
- 在15米的下水道管道中,需要超过55.6W的动功率来处理含有组织/擦拭物的FOG沉积物.
结论:
- 食物废弃物,石油和卫生用品的不适当处置有助于FOG沉积物形成和下水道堵塞.
- 性条件和纤维材料,如湿巾和组织,加剧了FOG问题.
- 有效的废物管理策略和下水道系统设计对于减轻FOG相关问题至关重要.
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