Aminoácidos como inhibidores de corrosión del acero al carbono en medio ácido
DOI:
https://doi.org/10.33414/rtyc.54.80-92.2025Palabras clave:
acero SAE 1010, triptófano, ácido glutámico, ácido aspártico, fenilalaninaResumen
La corrosión del acero en medio ácido representa un desafío en diversas industrias como las de gas y petróleo. En este estudio, se investigó el potencial de los aminoácidos triptófano (TRP), ácido glutámico (GLU), ácido aspártico (ASP) y fenilalanina (PHE) como inhibidores de corrosión para el acero SAE 1010 en una solución de HCl 0,1 M. Se realizaron ensayos electroquímicos, incluyendo resistencia a la polarización lineal, potencial a circuito abierto y curvas de polarización potenciodinámica (Tafel), así como análisis de la superficie mediante microscopía electrónica de barrido (SEM) y espectroscopia de rayos X de energía dispersiva (EDS). Los resultados revelaron que TRP, GLU y ASP mostraron propiedades inhibidoras, con TRP presentando una eficiencia de inhibición del 72% a una concentración de 1000 ppm. En contraste, PHE no mostró un efecto inhibidor significativo. El análisis SEM-EDS confirmó que TRP formó una película protectora más efectiva sobre la superficie del acero.
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Derechos de autor 2025 Christian Byrne, Santino Mariano Toro, Nicole Rocío Uviedo Barone , Oriana D’Alessandro
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial 4.0.
