Paper Title:
Novel Ceramic Pigments Based on Industrial Wastes
  Abstract

We report the preparation of ceramic pigments using industrial wa stes as primary sources. An Al-rich sludge (generated in the wastewater treatment unit of an anodising or surface coating industrial plant), a galvanizing sludge (from the Cr/Ni plating process ), a Fe-rich sludge (generated during steel wiredrawing), a foundry sand and a marble sawing sludge are combined to formulate distinct pigment structures via the solid state reaction method. In particular, a black spinel and a novel blue pigment based on the hibonite structure are detailed. A green olivine, and brown and pink sphenes are also reported. The pigments were fully characterized, and then were tested in a standard transparent bright ceramic glaze. Typical working conditions and colour development are fully described.

  Info
Periodical
Edited by
Pietro VINCENZINI and Michele DONDI
Pages
194-201
DOI
10.4028/www.scientific.net/AST.68.194
Citation
W. Hajjaji, G. Costa, M.J. Ribeiro, M.P. Seabra, J.A. Labrincha, "Novel Ceramic Pigments Based on Industrial Wastes", Advances in Science and Technology, Vol. 68, pp. 194-201, 2010
Online since
October 2010
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