Classic sulfuric acid treatment units used for the continuous removal of ferrous sulphate and the simultaneous regeneration of sulfuric acid.
Diffusion dialysis units to recover free acids and keep concentration of dissolved metals at steady values.
Decationization unit for pickling baths for aluminum and stainless steels. It allows to use low-cost acids by pickling with expensive acids that are regenerated (e.g. HF, H3PO4, etc.).
Electrodialysis cell for recovery of acids and alkalis of high commercial value.
Acid delay unit for the recovery of free acids and the maintenance of the concentration of dissolved metals at constant values.
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