电膜在金属回收废Na2SO4溶液再生NaOH和H2SO4中的应用

Yeon-Chul Cho, Ki-Hun Kim, Jae-Woo Ahn
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引用次数: 1

摘要

电膜技术是利用电渗析(ED)和双极电渗析(BMED)等具有选择性渗透性的离子交换膜,利用电能对水溶液中的物质进行分离和净化的过程。电膜技术作为一种环境友好型技术,因其在处理过程中不产生副产物,回收的碱或酸在处理过程中可以重复利用而备受关注。在本文中,我们研究了ED和BMED技术的原理,以及根据电池配置的各种特点和问题。特别是通过对金属回收过程中大量产生的废硫酸钠(na2so4)处理相关研究案例的调查和分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Application of Electro-membrane for Regeneration of NaOH and H2SO4 from the Spent Na2SO4 Solutions in Metal Recovery Process
Electro-membrane technology is a process for separating and purifying substances in aqueous solution by electric energy using an ion exchange membrane with selective permeability, such as electrodialysis (ED) and bipolar electrodialysis (BMED). Electro-membrane technology is attracting attention as an environmental friendly technology because it does not generate by-products during the process and the recovered base or acid can be reused during the process. In this paper, we investigate the principles of ED and BMED technologies and various characteristics and problems according to the cell configuration. In particular, by investigating and analyzing research cases related to the treatment of waste sodium sulfate (Na 2 SO 4 ), which is generated in large amounts during the metal recovery process.
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