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Obtaining ceramic substrates for inorganic membranes
Estudio de la obtención de sustratos cerámicos para membranas inorgánicas
DOI:
https://doi.org/10.15446/ing.investig.v25n2.14641Keywords:
sol-gel, membrane, support, sintering, SEM (en)sol-gel, membranas, soportes, sintetización a AL2O3 (es)
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This project investigated the effect of compacting pressure and sintering temperature on supports’ physical and mechanical properties. The supports were prepared by axial compacting of a Al2O3 powders using pseudoboehmita and silica gel as binder. Hydrated magnesium oxide was used as sintering helper. the prepared agglutinants were characterized by x-ray sedigraphy. The supports were synthesized by SEM and their compression strength and porosity were evaluated and characterized by EDX sweeping electron microscope (SEM). These binders and the helper were prepared by the sol-gel process.
En este proyecto, primeramente, se elaboraron soportes para membranas inorgánicas usando a Al2O3 como componente base y empleando como aglutinantes pseudoboehmita y sílica coloidal, y como coadyuvante de sinterizado un óxido hidratado de magnesio; todas estas sustancias fueron sintetizadas mediante el empleo de procesos sol - gel. También se analizó el efecto que sobre las propiedades físicas y mecánicas de los soportes ejercen la presión de compactación y la temperatura de sintonización. Los aglutinantes preparados se caracterizaron por sedigrafía de rayos X, y a los soportes elaborados se les midió la resistencia a la compresión y porosidad y fueron caracterizados por microscopia electrónica de barrido (SEM) análisis EDX.
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Copyright (c) 2005 Gabriel Camargo Vargas, Hugo Martín Galindo V
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