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TG and DSC studies on plaster residues as recycled material

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Abstract

The aim of the present work is to study plaster residues produced in industries in Goiás State (Brazil). The study analyzes the trituration and dehydrating processes of the plaster and compares its chemical, mechanical and physical characteristics to the natural plaster samples aiming its possible recycling.

Plaster samples were submitted to X-ray diffraction, infrared spectroscopy, thermogravimetric (TG) and differential scanning calorimetry (DSC) analyses.

By the comparison of the results obtained for both samples it was observed that they have similar chemical characteristics. No reason was found against the use of recycled plaster.

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Authors and Affiliations

  1. Universidade de Brasília, UnB, Campus Universitário Darcy Ribeiro Gleba A, Reitoria Brasília, DF, CEP 70910-900, Brazil

    M. T. M. Carvalho

  2. LAMES, Laboratório de Métodos de Extração e Separação, Instituto de Química, Universidade Federal de Goiás Campus Samambaia, C.P. 131, CEP 74001-970, Goiânia-GO, Brazil

    M. I. G. Leles

  3. Escola de Engenharia Civil, Universidade Federal de Goiás, Praça Universitária, s/n Goiânia-Goiás, CEP 74605-220, Brazil

    R. M. C. Tubino

Authors
  1. M. T. M. Carvalho
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  2. M. I. G. Leles
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  3. R. M. C. Tubino
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Correspondence to M. T. M. Carvalho.

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Carvalho, M.T.M., Leles, M.I.G. & Tubino, R.M.C. TG and DSC studies on plaster residues as recycled material. J Therm Anal Calorim 91, 621–625 (2008). https://doi.org/10.1007/s10973-006-8169-y

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  • DOI: https://doi.org/10.1007/s10973-006-8169-y

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