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使用多孔膜壁水力旋流器的油水分离过程：数值研究

Oily Water Separation Process Using Hydrocyclone of Porous Membrane Wall: A Numerical Investigation.

作者信息

Nunes Sirlene A, Magalhães Hortência L F, Gomez Ricardo S, Vilela Anderson F, Figueiredo Maria J, Santos Rosilda S, Rolim Fagno D, Souza Rodrigo A A, Farias Neto Severino R de, Lima Antonio G B

机构信息

Department of Fundamental and Social Sciences, Federal University of Paraiba, Areia, PB 58397-000, Brazil.

Department of Chemical Engineering, Federal University of Campina Grande, Campina Grande, PB 58429-900, Brazil.

出版信息

Membranes (Basel). 2021 Jan 22;11(2):79. doi: 10.3390/membranes11020079.

DOI:10.3390/membranes11020079
PMID:33499045
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7912048/
Abstract

This research aims to study the process of separating water contaminated with oil using a hydrocyclone with a porous wall (membrane), containing two tangential inlets and two concentric outlets (concentrate and permeate), at the base of the equipment. For the study, the computational fluid dynamics technique was used in a Eulerian-Eulerian approach to solve the mass and linear momentum conservation equations and the turbulence model. The effects of the concentration polarization layer thickness and membrane rejection coefficient on the permeate flow, hydrodynamic behavior of the fluids inside the hydrocyclone, and equipment performance were evaluated. Results of the velocity, transmembrane pressure and oil concentration profiles along the equipment, and hydrocyclone performance are presented and analyzed. The results confirmed the effect of the membrane rejection coefficient on the equipment performance and the high potential of the hydrocyclone with a porous wall to be used in the oil-water mixture separation.

摘要

本研究旨在研究使用一种带有多孔壁（膜）的水力旋流器分离含油污水的过程，该水力旋流器在设备底部有两个切向入口和两个同心出口（浓缩液和渗透液）。在研究中，采用欧拉-欧拉方法的计算流体动力学技术来求解质量和线性动量守恒方程以及湍流模型。评估了浓差极化层厚度和膜截留系数对渗透流、水力旋流器内流体的水动力行为以及设备性能的影响。给出并分析了沿设备的速度、跨膜压力和油浓度分布结果以及水力旋流器的性能。结果证实了膜截留系数对设备性能的影响，以及带有多孔壁的水力旋流器在油水混合物分离中具有很高的应用潜力。

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本文引用的文献

1
Impact of Permeable Membrane on the Hydrocyclone Separation Performance for Oily Water Treatment.渗透膜对油水分离水力旋流器分离性能的影响
Membranes (Basel). 2020 Nov 18;10(11):350. doi: 10.3390/membranes10110350.