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Metal recovery from spent stainless steel pickling solutions

Author

Listed:
  • Rögener, Frank
  • Sartor, Miriam
  • Bán, Andreas
  • Buchloh, Dirk
  • Reichardt, Tilo

Abstract

In stainless steel production a defined surface finish of the products is gained by pickling with aggressive acids. However, pickling lines generate significant amounts of waste products, such as metal oxide particles, metal enriched acid solutions and metal containing neutralization sludge from waste water treatment. Thus, valuable metals, such as chromium and nickel, are irrecoverably lost: Only in Europe, more than 2500t/a of nickel with a current value of 40million €/a are deposited, although nickel is regarded as a strategic metal.

Suggested Citation

  • Rögener, Frank & Sartor, Miriam & Bán, Andreas & Buchloh, Dirk & Reichardt, Tilo, 2012. "Metal recovery from spent stainless steel pickling solutions," Resources, Conservation & Recycling, Elsevier, vol. 60(C), pages 72-77.
    • Handle: RePEc:eee:recore:v:60:y:2012:i:c:p:72-77
    DOI: 10.1016/j.resconrec.2011.11.010
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