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Zeolitisation of neogene sedimentary and pyroclastic rocks exposed in paipa (boyacá), in the colombian andes: simulating their natural formation conditions

Quintero Ortíz, Fredy Alberto (2011) Zeolitisation of neogene sedimentary and pyroclastic rocks exposed in paipa (boyacá), in the colombian andes: simulating their natural formation conditions. Earth Sciences Research Journal; Vol. 15, núm. 2 (2011); 89-100 Earth Sciences Research Journal; Vol. 15, núm. 2 (2011); 89-100 2339-3459 1794-6190 .

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URL oficial: http://revistas.unal.edu.co/index.php/esrj/article...

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The present study concerns the synthesis of zeolites from Neogene sedimentary and pyroclastic rocks exposed around the Sochagota Lake, Paipa (Boyacá). Two synthesis methods were used: conventional hydrothermal treatment and alkaline fusion followed by hydrothermal reaction. Both raw materials and synthesised zeolytic products were characterised by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and nuclear magnetic resonance (NMR). Several zeolytic phases were synthesised, including faujasite (FAU), phillipsite(PHI) and sodalite (SOD). The results showed that the alkaline fusion approach was more efficient regarding hydrothermal conversion of the raw materials than conventional hydrothermal treatment, taking into accountthat zeolytic products having a higher degree of crystallinity and few impurities were obtained in this way. This study was aimed at applying experimental mineralogy to a laboratory simulation of the geological conditions in which zeolites can occur as the basis for defining criteria for exploring natural zeolites in Colombia, with prospects for the profitable exploitation of these mineral resources in different parts of Colombia

Tipo de documento:Artículo - Article
Unidad administrativa:Revistas electrónicas UN > Earth Sciences Research Journal
Código ID:29366
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :30 Junio 2014 02:59
Ultima modificación:18 Agosto 2014 18:38
Ultima modificación:18 Agosto 2014 18:38
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