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  • ANDRITZ GROUP
  • METALS products
  • Carbon steel: Regeneration
  • Acid regeneration plants

Acid regeneration systems

Increase profit – reduce ecological footprint

ANDRITZ METALS acid regeneration technology provides advanced and state-of-the-art systems for:

  • Hydrochloric acid recovery (ECOmode available)
  • Mixed acid recovery (Pyromars)
  • High-quality oxide production from metal chlorides (Fe, Ni, Co, Ti, Mg, etc.)

ANDRITZ METALS acid regeneration – keep the acid loop closed

Most steel producers use either hydrochloric acid (in the carbon steel industry) or HF-HNO3 mixed acid (for stainless steel) for steel pickling. The waste acid produced can either be discharged and neutralized – which results in high costs and a high fresh acid demand – or regenerated.

With our acid regeneration technology, the entire loop is closed. Waste acid coming from the pickling line is regenerated and then used to fill the demand for fresh acid. Furthermore, the majority of effluents from the pickling line can be eliminated, thus saving costs for the entire pickling process and minimizing the environmental impact.

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Regeneration plant

Advantages of acid regeneration

  • Highly economical in operation
  • Short payback period for the investment
  • Tremendous cost savings for fresh acid demand
  • Closed acid loop between the pickling plant and the regeneration system
  • Proven and sophisticated design with more than 220 references worldwide
  • Environmental protection
  • Lowest possible energy consumption with ECOmode

ANDRITZ video about "Acid regeneration plants"

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ANDRITZ AG, Austria
regeneration systems for carbon steel
Eibesbrunnergasse 20
1120 Vienna
Phone: +43 50805 55325
carbon.regeneration@andritz.com
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  • Special oxide pilot plant PDF : 313 KB