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Se filtra una suspensin de clulas de Bacillus subtilis a presin constante para recuperar la proteasa. Se utiliza un filtro a escala piloto para medir

Se filtra una suspensin de clulas de Bacillus subtilis a presin constante para recuperar la proteasa. Se utiliza un filtro a escala piloto para medir las propiedades de filtracin. El rea del filtro es de 0,25 m 2 , la cada de presin es de 360 mmHg y la viscosidad del filtrado es de 4,0 cP. La suspensin celular deposita 22 g de torta por litro de filtrado. Se miden los siguientes datos: (Sugerencias: Cambie la unidad a unidades estndar)

Tiempo (min) 2 3 6 10 15 20

Volumen de filtrado

(L)

10,8 12,1 18,0 21,8 28,4 32

a) Determinar la resistencia especfica de la torta y la resistencia del medio filtrante.
b) Qu tamao de filtro se requiere para procesar 4000 L de suspensin celular en 30 min a una cada de presin de 360 mm Hg?

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