Biotechnology - Department of Chemical Engineering
Biotechnology - Department of Chemical Engineering
Biotechnology - Department of Chemical Engineering
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37Process typesReactor type k l a l (s -1 ) k s a s (s -1 )Solids hold-up(m s 3 m r -3 )Specificbi<strong>of</strong>ilm area(m 2 bi<strong>of</strong>ilm m r -3 )Stirred tank 0.15 – 0.2 0.1 – 0.5 0.001 – 0.01Bubble column 0.05 – 0.15 0.25 0.001 – 0.01Plunging Jet 0.2 – 1.2 0.1 – 1 0.001 – 0.01Three-phasefluidized bed0.05 – 0.3 0.1 – 0.5 0.1 – 0.5 2000Trickle flow 0.01 – 0.8 0.06 0.55 – 0.6 200Typical mass transfer coefficients in different reactor types.
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