This enables the elimination of metals dissolved in the pickling solutions continuously and automatically, thereby recovering the dissolved acid.

How it works

The operation of this equipment is based on the slow-down phenomenon that occurs with certain exchange resins. The pickling solution passes through the resin and the acid is retained, while the metals are let through and later transferred to the treatment plant.

The resin is regenerated with mains water and a purified acid solution is obtained, which has the same concentration as the original pickling bath.

Advantages

• Avoids the discharge of large volumes of expended pickling solution in the treatment plant.
• Saves acid in the process.
• Minimal discharge of acid with respect to the metal eliminated.