研究不同因素对通过微过工艺直接处理高度水的影响
Xiaosan Song1,2, Ping Li1,2, Qingchao Shen1,2
1Key Laboratory of Yellow River Water Environment in Gansu Province, Lanzhou Jiaotong University Lanzhou 730070 China songxs@mail.lzjtu.cn 13964762817@163.com.
优化高度水的微过包括找到理想的度 (900 NTU) 和跨膜压力 (13.33 kPa),以最大限度地减少膜污染并提高水处理效率.
科学领域:
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
- 水处理技术 水处理技术
背景情况:
- 传统的水处理方法与高度作斗争,导致废水问题和污泥问题.
- 膜过在处理高度水时面临严重的污染挑战.
- 对于高度水处理的绿色,低碳技术有着至关重要的需求.
研究的目的:
- 研究微过技术,用于直接处理高度的水.
- 了解在这个过程中减轻膜污染的机制.
- 为了优化处理参数,如度,过方法和跨膜压力.
主要方法:
- 高度水的直接微过.
- 影响度和跨膜压力的系统变化.
- 使用赫米亚模型进行分析.
- 凝固剂 (FeCl3) 剂量用于蛋糕层调节.
主要成果:
- 确定了900NTU的最佳影响度,以平衡膜保护和蛋糕层形成.
- 在恒定压力下进行交叉流过,有效地管理了蛋糕层厚度,并保持了流量.
- 确定最佳的跨膜压差为13.33kPa,平衡流量增加与污染减轻.
- 15 mg/L的FeCl3剂量改善了污染物的拦截和去除,实现了高流量回收率.
结论:
- 微过可以有效地处理具有优化参数的高度水.
- 影响度和跨膜压力是影响膜污染的关键因素.
- 凝固剂辅助微过为直接高度水处理提供了一个有希望的绿色和低碳解决方案.
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