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Title: Physico-chemical characterization and thermal analysis data of alumina waste from Bayer process.
Authors: Yoshida, Maria Irene
Silva, Virginia Ribeiro da
Pinto, Plínio César de Carvalho
Santos, Sabrina Sá e Sant'Anna dos
Silva, Mercês Coelho da
Carvalho, Cornélio de Freitas
Keywords: Bayer process
Industrial waste
Black dust
Thermal analysis
Issue Date: 2012
Citation: YOSHIDA, M. I. et al. Physico-chemical characterization and thermal analysis data of alumina waste from Bayer process. Journal of Thermal Analysis and Calorimetry, v. 109, p. 1429–1433, 2011. Disponível em: <>. Acesso em: 20 abr. 2017.
Abstract: In the aluminum industries, there are several steps involved in processing since the extraction of bauxite to obtain the final product (Al). During the development of these, various steps generated wastes. One of them, from the electrostatic filter of the calcination step of the Bayer process is a very fine black powder, rich in alumina (Al2O3) that does not meet industry specifications, and it is discarded in the industry yard. Alumina is a noble material and has high commercial value. This black powder has great prospects for recovery, recycling, and future applications. Therefore, it is important to perform characterization of tailings and to do that we have used XRD, SEM, EDS, FTIR, Raman, and thermal analysis.
ISSN: 1588-2926
Appears in Collections:DEQUI - Artigos publicados em periódicos

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