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Title: Sílica gel obtida de escória de alto forno: Marabá, Pará
Other Titles: Silica gel obtained from blast furnace slag: Marabá, PA, Brazil
metadata.dc.creator: REBELO, Monaliza Maia
NASCIMENTO, Lidiane Diniz do
CORRÊA, José Augusto Martins
Keywords: Sílica gel
Polímeros Inorgânico
Geoquímica analítica
Issue Date: Sep-2015
Publisher: Universidade Federal do Pará
Citation: REBELO, Monaliza Maia ; NASCIMENTO, Lidiane Diniz do ; CORREA, José Augusto Martins. Sílica gel obtida de escória de alto forno: Marabá, Pará. Cerâmica, São Paulo, v. 61, n. 359, p. 359-366, jul./set. 2015. Disponível em: <>. Acesso em: 31 maio 2017. <>.
Abstract: Silica gel with similar properties to commercial silica was obtained from blast furnace slag (EAF) using digestion with hydrochloric acid. The EAF-silica was obtained and characterized by different techniques. The results showed that the EAF-silica obtained was amorphous, with 99.7% purity and specific area 282 m2/g. It presented high hydrophilic character (12.27%), with constitution water of ~ 6.18%, which was confirmed by mass loss in thermogravimetric analysis. The EAF-silica particles had micrometric sizes (< 1 µm) with aggregates, unimodal size distribution and D50 7.0 µm.
ISSN: 1678-4553
Appears in Collections:Artigos Científicos - IG

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