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Journal of applied research and technology
versión On-line ISSN 2448-6736versión impresa ISSN 1665-6423
Resumen
JAIME-ACUNA, Oscar E. et al. Synthesis of nanostructured metal-, semiconductor-, and metal/semiconductor-mordenite composites from geothermal waste. J. appl. res. technol [online]. 2016, vol.14, n.4, pp.232-238. ISSN 2448-6736. https://doi.org/10.1016/j.jart.2016.05.006.
Successful synthesis of metal-, semiconductor-, and metal/semiconductor-mordenite nanocomposites, using geothermal solid waste as precursor is reported. Powders of nanostructured composites, consisting of metal and/or semiconductor nanoparticles grown on a mordenite-type zeolitic matrix surface, were synthesized by a one-step solvent-free and organic template-free process. The developed methodology is capable of controlling and tuning the final properties of composites from their synthesis and is also reproducible and repeatable. For comparison and demonstration of the application of the final products, dye photocatalysis degradation tests were done using commercial TiO2 as reference (degradation reached ∼75% in 215 min, k = 0.004 min−1), [M]-S-MOR samples revealed better performance (≥95% in 100 min, k = 0.009 min−1).
Palabras llave : Organic pollution remediation; Multifunctional nanocomposites; Aqueous synthesis; Photocatalysis; Geothermal waste remediation.