ISSN:
1662-9752
Quelle:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Thema:
Maschinenbau
Notizen:
A kaolin obtained from a region near to San Luis Potosí (México) was characterizedby X-ray powder diffraction (DRX), optical microscopy (OM), scanning electron microscopy(SEM), X-ray fluorescence (XRF), thermal analysis (DTA/TGA), and chemical analysis.Mineralogical and morphological characteristics of the mineral are presented. The kaolin samplewas formed mainly by kaolinite, but other minor phases were also detected such as quartz,cristobalite, trydimite, and dolomite. For iron lixiviation process, concentrate HCl wasemployed. The high content of volcanic glass detected, evidenced by optical microscopy,revealed an incomplete kaolinization process of the raw material. In agreement with theseresults, X-ray fluorescence analysis showed high- SiO2 and low-Al2O3 content in the sample as isexpected on weakly kaolinized materials
Materialart:
Digitale Medien
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/18/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.569.341.pdf
Permalink