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DYNA
versão impressa ISSN 0012-7353versão On-line ISSN 2346-2183
Resumo
RESTREPO BAENA, OLGA ISABEL; TOBON, JORGE IVÁN e RESTREPO BAENA, OSCAR JAIME. EFECT OF SOME COLOMBIAN MINERALIZERS ON CLINKER PRODUCTION TO PORTLAND I CEMENT. Dyna rev.fac.nac.minas [online]. 2007, vol.74, n.152, pp.263-273. ISSN 0012-7353.
For this research, It was used Colombian minerals. Authors experimented with fluorite (from Santander Province), feldspar and manganese (both from Antioquia Province) at 0,0%, 0,2%, 0,5%, 1,0%, 1,5% and 2,0%. Several techniques were used such as: XRD, XRF, SEM and optical microscopy to characterize materials used and DTA to determine clinkering temperature; and tested mineralogical characteristics of clinker obtained. The best results were obtained by 0,5% addition of fluorite because it permited formation of alite as well as reduced lime contents. Feldspar and manganese (braunite) exhibited unacceptable performance.
Palavras-chave : Portland cement; clinker; clinkering temperature; mineralizers; fluorite; feldspar; manganese.