Abstract
This paper deals with the geopolymerization of the red mud generated in the primary
 aluminium production and the slag generated in the ferronickel production, in order to develop
 inorganic polymeric materials with advanced mechanical and physical properties. In particular,
 the effect of the main synthesis parameters of the inorganic polymeric materials on their
 mechanical strength and water absorption was investigated. Moreover, the structure of the
 inorganic polymeric materials was studied according to X-ray Diffraction analysis, Fourier
 Transform Infra Red spectroscopy and Scanning Electronic Microscopy. The inorganic
 polymeric materials produced by the geopolymerization of the red mud developed
 compressive strength up to 21 MPa and presented water absorption lower than 3 %, while the
 geopolymerization of the ferronickel slag resulted in materials with compressive strength
 higher than 110 MPa and extremely low water absorption (< 1 %). According to these results,
 the developed materials may be viewed as alternatives in the industrial sectors of
 construction and building materials.
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