腹腔透析废水作为非饮用水资源:与经过处理的废水相比,生物化学和微生物学的表征
Clemente Cruz-Cruz1,2, Leonel Pedro Román López3, Marianela Paredes-Mendoza4
1División de Investigación, Hospital Juárez de México, Mexico City, Mexico.
概括
连续门诊腹膜透析 (CAPD) 患者的腹膜透析废水 (PDE) 在微生物学上是安全的,但在生物化学上具有重复使用的挑战性. 对于农业或工业等非饮用应用,需要先进的处理.
科学领域:
- 环境科学 环境科学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 水处理 处理水的方法
背景情况:
- 全球水危机需要在医疗保健中探索水的再利用.
- 墨西哥的连续门诊腹腔透析 (CAPD) 产生了大量的腹腔透析废水 (PDE) 进行处置.
- 与血液透析废水相比,PDE在非饮用再利用方面的安全性数据有限.
研究的目的:
- 从生物化学和微生物学上描述CAPD患者的PDE.
- 为了将PDE特性与经过处理的废水 (TWW) 进行比较.
- 评估PDE的非饮用再利用潜力.
主要方法:
- 在PDE和TWW中分析生化参数 (葡萄糖,尿素,肌,电解质,pH).
- 对PDE和TWW进行细菌和真菌的微生物学分析.
- 使用学生t测试 (p < 0.05) 的统计比较.
主要成果:
- 与TWW相比,PDE的葡萄糖,尿素,肌素和电解质度显著更高 (p < 0.0001).
- PDE显示中性pH (∼7) 和没有残留.
- 在微生物学上,PDE是无菌的,与TWW中显著的细菌和真菌负载形成鲜明对比.
结论:
- PDE具有有利的微生物特征,但高溶解物负载限制了直接重复使用.
- 对于PDE重复使用,需要使用逆透或纳米过等先进的处理方法.
- 确保安全的监管框架对于实施PDE非饮用再利用至关重要.
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