Authors:
M. Carvalho Universidade de Brasília, UnB, Campus Universitário Darcy Ribeiro Gleba A Reitoria Brasília, DF CEP 70910-900 Brazil

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

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

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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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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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