Empleo de Nano-Ferritas dn Bioreactor Anaerobio para la Producción Eficiente de Biogás
Resumen
En el presente trabajo se prepararon polvos de ferrita de níquel (NiFe2O4) mediante el método hidrotermal. Se utilizaron como precursores sales de hierro y de níquel (FeCl3∙6H2O y NiCl2∙6H2O). Se empleó hidróxido de sodio (NaOH) para modificar el pH y como agente precipitante. Los polvos obtenidos se caracterizaron mediante difracción de rayos X (DRX), espectroscopia infrarroja por transformada de Fourier (FT-IR) y técnica de difracción láser. El análisis IR mostraron las bandas características de los enlaces Fe(III)-O-Ni(II), y MO-O. Situadas a 550 y 490 cm-1. Los patrones de difracción de rayos X revelan que los polvos de ferrita de níquel cristalizan en la fase cúbica. La solución de NaOH utilizada como disolvente en la reacción hidrotermal promueve una fase secundaria. Los tamaños de las partículas de ferrita de níquel fueron estimados en 20-40 μm empleando difracción laser. Se realizó un proceso de digestión anaeróbica y realiza su proyección de eficiencia en la obtención de metano.
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