评估纳米过和反透膜用于药用活性化合物去除:一种溶液扩散模型方法
Yonghyun Shin1, Tae-Mun Hwang1, Sook-Hyun Nam1
1Department of Environmental Research, Korea Institute of Civil Engineering and Building Technology, 283 Goyangdae-ro, Ilsan-gu, Goyang-si 10223, Republic of Korea.
纳米过 (NF) 和反透 (RO) 膜有效地从废水中去除微量有机污染物 (TrOCs),如药品. RO膜提供更高的去除效率,而NF膜为微量药物处理提供良好的流量.
科学领域:
- 环境科学 环境科学
- 水处理技术水处理技术
- 化学工程是化学工程的重要组成部分.
背景情况:
- 微量有机污染物 (TrOCs),包括药用活性化合物 (PhACs),在水中持久存在,并对环境和健康构成风险.
- 传统的水处理方法很难有效地去除这些新出现的污染物.
- 纳米过 (NF) 和反透 (RO) 是先进的膜技术,显示出对TROC去除的前景.
研究的目的:
- 评估NF和RO膜在废水中去除TROC的性能.
- 使用溶液扩散模型开发一个用于清除TROC的预测模型.
- 评估这些膜技术对于大规模应用的适用性.
主要方法:
- 使用混合细胞设置与NF和RO膜进行实验性评估.
- 在不同度,速度和压力下使用模型TROC (乙氨基和咖啡因) 进行测试.
- 基于溶液扩散模型的预测模型的开发和验证.
主要成果:
- 无论是NF和RO膜都证明了有效地去除药物化合物.
- RO膜实现了高去除效率 (平均99.21%),而NF膜显示了高透流量与良好的去除 (平均84.17%).
- 溶液扩散模型准确地预测了膜性能,与实验数据相对应.
结论:
- NF和RO膜在从废水中去除TROC,特别是药品方面非常有效.
- 对于高效率的去除,RO膜优越,而NF则提供了流量和去除的平衡.
- 经过验证的预测模型支持扩大这些膜过程的潜力,以实现有效的废水处理.
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