Foundry sand recycling in the troughs of blast furnaces: a technical note

The foundry sand agglomerated with alkaline phenolic resin, used for the manufacture of molds, was found to be a residue which is able to be recycled, minimizing the costs of disposal and the environmental impact. This paper analyzes the thermomechanical regeneration and leaching processes and also...

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Bibliographic Details
Published in:	Journal of materials processing technology Vol. 159; no. 1; pp. 125 - 134
Main Authors:	Andrade, Ricardo Magnani, Cava, Sergio, Silva, Sidiney Nascimento, Soledade, Luiz Edmundo Bastos, Rossi, Claudia C., RobertoLeite, Edson, Paskocimas, Carlos Alberto, Varela, José Arana, Longo, Elson
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 10-01-2005
Subjects:	Reclamation and foundry sand Recycling Reclamation and foundry sand Recycling
Online Access:	Get full text
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Summary:	The foundry sand agglomerated with alkaline phenolic resin, used for the manufacture of molds, was found to be a residue which is able to be recycled, minimizing the costs of disposal and the environmental impact. This paper analyzes the thermomechanical regeneration and leaching processes and also assesses the influence of additives on the improvement of the mechanical properties of the sands. Besides, the industrial experiments carried out at CSN aiming at the foundry sand recycling in the covering of the blast furnace troughs are presented.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0924-0136
DOI:	10.1016/j.jmatprotec.2003.10.021