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On-line version ISSN 1678-4553
TIBA, P. R. T. et al. Refractories selection for anode baking furnace. Cerâmica [online]. 2009, vol.55, n.335, pp. 305-311. ISSN 1678-4553. http://dx.doi.org/10.1590/S0366-69132009000300010.
In the latest years the worldwide production of aluminum is increasing and for the companies to keep their competitiveness it is necessary to reduce the average cost of the metal production. One of the alternatives is to increase the refractories working life used in anode baking furnaces and their production capacity. Both strategies may result in a higher anode quality and reduction of the furnace maintenance costs. This paper aims to present the thermo-mechanical characterization of the refractory bricks used in anode baking furnaces and their resistance to chemical attack. The results indicated that the selection of the most suitable composition depends on a systemic analysis involving the high temperature properties, chemical resistance and the operational practices of the furnace.
Keywords : aluminum; refractory; anode.