The waste acids performance in anion-exchange membrane and the application of diffusion dialysis in hydrometallurgy were introduced.The prospect of diffusion dialysis technology was also inducted.

• 介绍废酸在阴离子交换膜中扩散行为的研究进展及扩散渗析法在湿法冶金中的应用情况，并简要评述扩散渗析法在湿法冶金中的应用前景。