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Type: Artigo de periódico
Title: Tratamento dos resíduos gerados na síntese de polianilina em escala pré-piloto
Title Alternative: Treatment of the residues generated by polyaniline synthesis in pre-pilot scale
Author: Sousa, Rafael Arromba de
Araújo, Olacir Alves
Freitas, Patrícia S. de
De Paoli, Marco-A.
Abstract: Polyaniline (PAni) is one of the most studied conducting polymer. It can be synthesized by two methods: electrochemical or chemical oxidation. The chemical oxidation is more adequate to produce large quantities of polymer. Regardless of the synthesis scale, the treatment of the residues before its final destination is very important and necessary because it contains toxic aniline derivatives (carcinogens in some cases), acids and inorganic salts, both with low toxicity. In this work we discuss the methods used to treat these residues and to eliminate and discard the toxic substances. These were extracted from the reaction residues by using activated coal and the pH of the residue was neutralized.
Subject: polyaniline
Editor: Sociedade Brasileira de Química
Rights: aberto
Identifier DOI: 10.1590/S0100-40422003000600027
Date Issue: 1-Dec-2003
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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