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Magnetic properties in red mud after thermal treatment

S. KRIMPALIS1, N. PAPADOPOULOS1, K. G. EFTHIMIADIS2, C. S. KARAGIANNI3, E. HRISTOFOROU1,*

Affiliation

  1. School of Mining and Metallurgy Engineering, National TU of Athens, Greece
  2. Physics Department, Aristotle University of Thessaloniki, Greece
  3. School of Chemical Engineering, National TU of Athens, Greece

Abstract

Red mud is the waste of the Bayer technique, concerning the production of alumina out of bauxite ores. Red mud is an industrial waste and therefore the development of possibly useful products is always an interesting task in waste management. In this report, a pyro-metallurgical process is presented according to which the red mud may be transformed into magnetic powder, with relatively acceptable characteristics..

Keywords

Red mud, Waste treatment, Magnetic powders.

Submitted at: March 13, 2008
Accepted at: May 14, 2008

Citation

S. KRIMPALIS, N. PAPADOPOULOS, K. G. EFTHIMIADIS, C. S. KARAGIANNI, E. HRISTOFOROU, Magnetic properties in red mud after thermal treatment, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 5, pp. 1085-1088 (2008)