Modelos de Ensuciamiento en Intercambiadores de Calor Tubulares en Sistemas indirectos en Procesos uHt en la Industria Láctea

Luis Gómez Orozco; Ana Ilva Capera Urrego

doi:10.22490/25394088.1590

Vol. 10 (2016)

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22-03-2016

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Modelos de Ensuciamiento en Intercambiadores de Calor Tubulares en Sistemas indirectos en Procesos uHt en la Industria Láctea

DOI: https://doi.org/10.22490/25394088.1590

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Artículo de revisión

Luis Gómez Orozco Cooperativa Lechera de Córdoba CODELAC. Montería. Colombia

Ana Ilva Capera Urrego Escuela de Ciencias Básicas Tecnología e Ingeniería, Universidad Nacional Abierta y a Distancia UNAD. Bogotá. Colombia.

La tecnología de ultra alta temperatura (UAT) se utiliza ampliamente en la industria de la leche para el tratamiento térmico, ofreciendo una alta eficiencia en cuanto a la destrucción de microorganismos esporu- lados. Sin embargo, dentro de este proceso se encontró que a temperaturas entre 75°C y 110°C, se llevan a cabo procesos de agregación y desnaturalización de proteínas y precipitación de sales minerales que forman una capa o costra de ensuciamiento en las paredes del tubo de calentamiento; el componente más importante en el fenómeno de ensuciamiento, es la proteína sérica llamada -Lactoglobulina. En este traba- jo se resumen los diferentes modelos matemáticos que explican el fenómeno de ensuciamiento a partir de la transferencia de masa. La velocidad de ensuciamiento es el resultado de la diferencia entre la velocidad de acumulación de depósitos y la velocidad con que se remueven. Se encontró que los modelos de Kern- Seaton y Fryer-Slater son los más ampliamente usados, pues son modelos de velocidad de ensuciamiento en función de la energía de activación y la temperatura de película interfacial entre la capa de ensucia- miento y la leche. Otros modelos identificados nacen en la industria petroquímica, pero son adaptados en el estudio de la desnaturalización de la proteína de la leche, como los de Ebert-Panchal y Paterson-Fryer.

intercambiadores de calor, modelos asintóticos, ultra alta temperatura

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Gómez Orozco, L., & Capera Urrego, A. I. (2016). Modelos de Ensuciamiento en Intercambiadores de Calor Tubulares en Sistemas indirectos en Procesos uHt en la Industria Láctea. Publicaciones E Investigación, 10, 95-114. https://doi.org/10.22490/25394088.1590

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