通过多通道多孔陶瓷膜进行预污水处理的三维 CFD 仿真

Sina Fazlifard, Seyed Sepehr Mostafayi, Taha Baghban Ronaghi
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引用次数: 0

摘要

多通道微滤(MF)膜被认为是废水处理中最有效的分离方法之一,这主要归功于其相对较高的耐热性和耐化学性。在各种类型的微滤膜中,陶瓷膜因其高活性面积和超强的机械强度而备受关注,成为反渗透(RO)装置运行的工业适用预处理工艺。在此,我们对 19 道陶瓷膜进行了全面的三维建模,以深入了解每道中的压降、速度分布和浓度曲线。实验室规模的多通道陶瓷膜进水含油废水的实验数据被用来验证模型。根据多孔介质在此类配置中的传输压力,预测渗透通量为 200 至 250 升/平方米.小时。此外,还根据 0.75 至 2.25 米/秒的入口流速计算了渗透质量通量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
3-Dimensional CFD Simulation of Pre-Wastewater Treatment via Multi-Channel Porous Ceramic Membrane
Multi-channel microfiltration (MF) membranes are considered as one of the most efficient separation methods for wastewater treatment, mainly due to their relatively high thermal and chemical resistance. Among various types of MF membranes, Ceramic Membranes attract great attention because of their high active area and superb mechanical strength, making them an industrially applicable pretreatment process for Reverse Osmosis (RO) unit operation. Here, a thorough 3-dimensional modeling of a 19-channel Ceramic Membrane was employed in order to gain insight into pressure drop, velocity distribution, and concentration profile in each channel. Experimental data from a lab-scale multi-channel Ceramic Membrane fed with oily wastewater was used to validate the model. The permeate flux was predicted as 200 to 250 L/m2.hr based on the porous media transmission pressure in such configurations. Further, permeate mass flux was also calculated based on the inlet flow velocities ranging from 0.75 to 2.25 m/s.
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