电磁场对石膏和石的影响 缩放在反透中
Xuewei Du1, Tarek Ahasan1, Helani Perera1
1Department of Civil Engineering, New Mexico State University, Las Cruces, New Mexico 88003, United States.
Environmental science & technology
|June 6, 2025
概括
电磁场 (EMF) 为反透 (RO) 系统中的尺度控制提供了一个非化学的解决方案. 电磁场处理修改了状晶体结构,改善了去除和减轻膜污染,提高了水处理效率.
科学领域:
- 水处理技术水处理技术
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 逆透 (RO) 系统中,特别是石膏和石英的形,降低了效率,增加了运营成本.
- 了解的形成和控制机制对于优化RO海水淡化过程至关重要.
- 电磁场 (EMF) 处理是一种有前途的非化学方法,但其对特定尺度的影响需要详细研究.
研究的目的:
- 系统地研究电磁场 (EMF) 对RO系统中石膏和石英缩放的影响.
- 阐明EMF影响规模形成和坚持的基本机制.
- 为了评估EMF处理与液压冲洗 (HF) 结合用于尺度控制的有效性.
主要方法:
- 使用合成水和天然RO缩物 (ROC) 进行实验.
- 应用电磁场 (EMF) 处理在模拟RO系统中的水流.
- 使用各种表征技术分析了尺度形态,粘附性和可逆性.
- 在不同的处理条件下评估膜性能指标,包括流量下降.
主要成果:
- 电磁场处理改变了石膏晶体形态,产生了通过液压冲洗 (HF) 更容易清除的多孔层,提高了可逆性.
- 对于二氧化的缩放,EMF促进了均聚合,防止了密集的凝层的形成,并减轻了流量下降,即使没有HF.
- 在高频和非高频条件下,EMF在控制石膏缩放和HF和缩方面表现出有效性.
结论:
- 电磁场是一种多功能,非化学方法,用于控制RO海水淡化中的石膏和二氧化缩放.
- 电磁场增强了缩放的可逆性,并减轻了膜污染,改善了水回收和运营效率.
- 这些发现支持EMF技术在现实世界水处理设施中的更广泛应用.
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