Cinética de la Biorremediación de Aguas Residuales Contaminadas con Iones Cromato Aplicando Bacterias Cromoreductoras
Resumen
El estudio de la reducción de cromo hexavalente (Cr6+) aplicando biorremediación presenta ser una alternativa confiable y eficaz, además que no es tóxica y puede ser aplicado a escalas semi piloto y piloto. El objetivo del trabajo investigación es aislar cepas nativas de procesos industriales de curtido de cuero donde existe este tipo de contaminante y obtener datos cinéticos, variables de control y tiempo de remoción para luego proporcionar herramientas para dimensionar un reactor tipo batch que se encargue de realizar el tratamiento. Una cepa definida como Basillus spp (Gram +) con un crecimiento óptimo a pH 7 y 37ºC en un medio Luria Bertani con minerales (LBM), presentó gran adaptabilidad, demostrando en las pruebas del reactor batch un tiempo de aclimatación de 77.25 h, cinética de remoción de primer orden, una constante cinética de 0.0082 h-1, una eliminación del 100% de cromo partiendo de 2mM de Cr6+ y con un crecimiento positivo en un medio con 400 mM Cr6+. Al aumentar la temperatura de trabajo de 25 a 40ºC se observó que las constantes de trabajo disminuyen al igual que el tiempo de remoción de Cr6+.
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Derechos de autor 2025 Angel Johann Morales Bernal , Carlos Marcelo Camacho Caero
Esta obra está bajo licencia internacional Creative Commons Reconocimiento 4.0.
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