A numerical investigation for lithium extraction from the seawater using hydrodynamic and electromagnetic fields effects in multi-S-shaped channel

IF 2.8 3区工程技术 Q1 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS

Computational Particle Mechanics Pub Date : 2023-11-04 DOI:10.1007/s40571-023-00678-8

Bahador Abolpour, Ramtin Hekmatkhah, Hanie Abbaslou

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Abstract

In this study, the separations of the soluble equal concentrations of high concentrate ions in seawaters and lithium ions are investigated, numerically. At the outlet of the S-, SS-, and SSS-shaped channels, the solution is lithium concentrated, by removing other ions. Electromagnetic force is used for this separation procedure. For this simulation, a numerical model of this process has been developed based on the finite volume method, computational fluid dynamics, and Lagrangian trajectories tracking method. For optimization of operational parameters including the electromagnetic field intensity and inlet fluid velocity, the genetic algorithm approach has been used in a homemade code in MATLAB software. It is observed that these channels enter different force directions on these ions and provide a balance between the electric and magnetic forces to control their movement. It is obtained that all of the impurities are removed in an optimum condition of a triple S-shaped electromagnetic channel, except potassium ions, and the percentage of lithium ions is increased from 20% at the inlet to 55% at the outlet, in an acceptable pressure drop of the passing fluid flow.

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利用多 S 形通道中的流体动力学和电磁场效应从海水中提取锂的数值研究

本研究以数值方法研究了海水中可溶性等浓度高浓度离子与锂离子的分离。在 S 形、SS 形和 SSS 形通道的出口处，溶液通过去除其他离子而浓缩成锂。这一分离过程使用了电磁力。为了进行模拟，我们基于有限体积法、计算流体动力学和拉格朗日轨迹跟踪法建立了这一过程的数值模型。为了优化包括电磁场强度和入口流体速度在内的运行参数，在 MATLAB 软件的自制代码中使用了遗传算法方法。据观察，这些通道对这些离子输入不同的力方向，并提供电场力和磁场力之间的平衡，以控制它们的运动。结果表明，在三 S 形电磁通道的最佳条件下，除钾离子外，所有杂质都被去除，锂离子的比例从入口处的 20% 增加到出口处的 55%，通过流体的压降在可接受的范围内。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Computational Particle Mechanics Mathematics-Computational Mathematics

CiteScore

5.70

自引率

9.10%

发文量

期刊介绍： GENERAL OBJECTIVES: Computational Particle Mechanics (CPM) is a quarterly journal with the goal of publishing full-length original articles addressing the modeling and simulation of systems involving particles and particle methods. The goal is to enhance communication among researchers in the applied sciences who use "particles'''' in one form or another in their research. SPECIFIC OBJECTIVES: Particle-based materials and numerical methods have become wide-spread in the natural and applied sciences, engineering, biology. The term "particle methods/mechanics'''' has now come to imply several different things to researchers in the 21st century, including: (a) Particles as a physical unit in granular media, particulate ﬂows, plasmas, swarms, etc., (b) Particles representing material phases in continua at the meso-, micro-and nano-scale and (c) Particles as a discretization unit in continua and discontinua in numerical methods such as Discrete Element Methods (DEM), Particle Finite Element Methods (PFEM), Molecular Dynamics (MD), and Smoothed Particle Hydrodynamics (SPH), to name a few.