铁在一次净化过程中的行为

Mechanism of the Ferric -ion in the Fi rst Purification

重点阐述了铁离子在锌溶液净化和压滤过程中对净化质量的影响,并提出了解决镉在压滤过程中大量复溶的难题。

The mechanism and influences of the ferric -ion in purification and press -filteration are discussed and describe the practical measures whi ch could prevent the cadmium return -dissolution in zinc solution.