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Processing EAF dusts and other nickel-chromium waste materials pyrometallurgically at INMETCO

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Abstract

Discussed is the INMETCO processing of electric arc furnace (EAF) baghouse dusts from the specialty-steel and low-alloy industries. In addition, the INMETCO process has been modified to recover nickel, chromium and iron from many other waste materials including:

  • pickling solutions or filter cakes

  • spent nickel and chromium plating baths

  • carbon refractories from pickling tanks, and

  • superalloy wastes including baghouse bags.

INMETCO is the only North American company presently capable of recycling nickel-cadmium batteries by high-temperature metals recovery. This process and the details of INMETCO’s best demonstrated available technology (BDAT) test program are discussed.

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Author information

Authors and Affiliations

  1. INMETCO, Ellwood City, PA, USA

    R. H. Hanewald (president), W. A. Munson (operations manager) & D. L. Schweyer (plant superintendent)

Authors
  1. R. H. Hanewald
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  2. W. A. Munson
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  3. D. L. Schweyer
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Additional information

SME preprint 92-209, SME Annual Meeting, Feb. 24–27, 1992, Phoenix, AZ. M&MP paper 92-620.

Discussion of this paper must by submitted, in duplicate, prior to Feb. 28, 1993.

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Hanewald, R.H., Munson, W.A. & Schweyer, D.L. Processing EAF dusts and other nickel-chromium waste materials pyrometallurgically at INMETCO. Mining, Metallurgy & Exploration 9, 169–173 (1992). https://doi.org/10.1007/BF03403430

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  • DOI: https://doi.org/10.1007/BF03403430