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首页> 外文期刊>International Journal of Electrochemical Science >Indium Recovery in an Electrochemical Flow Reactor. Simulation and Experiment
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Indium Recovery in an Electrochemical Flow Reactor. Simulation and Experiment

机译：电化学流动反应器中的铟回收。模拟与实验

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This study investigated the numerical simulation and experiment of a continuous indium removal process from wastewater by using an electrochemical flow reactor. The competition between hydrogen evolution and indium reduction was taken into consideration. The simulated residual indium distribution accompanying with flow field corresponds to the removal performance of experiments. The concentration field indicates a two-stage development between the electrodes. In the second stage, an apparent removal of indium takes place, but a steady state reached after a long-term incubation at a low flow rate. However, the removal ratio rises quickly and levels off after a short-term incubation at a high flow rate. At 762 mL/min, 90% or more of indium in wastewater can be removed, but only 50% or less of indium can be reduced at 7620 mL/min. The flow cell takes a compromise between throughput and efficiency if an optimal operation is adopted. The optimization on the basis of energy consumption and equipment cost shows that two flow cells in series operated at 3810 mL/min may be more economical than a unit cell at any flow rate in the influence of hydrogen evolution.
机译：本研究研究了使用电化学流动反应器从废水中连续去除铟的过程的数值模拟和实验。考虑了氢气释放和铟还原之间的竞争。流场伴随的模拟残留铟分布与实验的去除性能相对应。浓度场指示电极之间的两阶段展开。在第二阶段，发生了明显的铟去除，但是在低流速下长期孵育后达到了稳定状态。然而，在高流速下短期孵育后，去除率会迅速上升并趋于平稳。在762 mL / min的速度下，可以去除废水中90％或更多的铟，但是在7620 mL / min的条件下，铟仅能减少50％或更少。如果采用最佳操作，则流通池会在通量和效率之间做出折衷。根据能耗和设备成本进行的优化表明，在氢气逸出的影响下，在任何流速下，两个以3810 mL / min的速度运行的串联流通池可能比一个流通池更经济。

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